1package messages
2
3import (
4 "cmp"
5 "encoding/json"
6 "fmt"
7 "strings"
8 "time"
9
10 "charm.land/lipgloss/v2"
11 "charm.land/lipgloss/v2/tree"
12 "github.com/charmbracelet/crush/internal/agent"
13 "github.com/charmbracelet/crush/internal/agent/tools"
14 "github.com/charmbracelet/crush/internal/ansiext"
15 "github.com/charmbracelet/crush/internal/fsext"
16 "github.com/charmbracelet/crush/internal/tui/components/chat/todos"
17 "github.com/charmbracelet/crush/internal/tui/components/core"
18 "github.com/charmbracelet/crush/internal/tui/highlight"
19 "github.com/charmbracelet/crush/internal/tui/styles"
20 "github.com/charmbracelet/x/ansi"
21)
22
23// responseContextHeight limits the number of lines displayed in tool output
24const responseContextHeight = 10
25
26// renderer defines the interface for tool-specific rendering implementations
27type renderer interface {
28 // Render returns the complete (already styled) tool‑call view, not
29 // including the outer border.
30 Render(v *toolCallCmp) string
31}
32
33// rendererFactory creates new renderer instances
34type rendererFactory func() renderer
35
36// renderRegistry manages the mapping of tool names to their renderers
37type renderRegistry map[string]rendererFactory
38
39// register adds a new renderer factory to the registry
40func (rr renderRegistry) register(name string, f rendererFactory) { rr[name] = f }
41
42// lookup retrieves a renderer for the given tool name, falling back to generic renderer
43func (rr renderRegistry) lookup(name string) renderer {
44 if f, ok := rr[name]; ok {
45 return f()
46 }
47 return genericRenderer{} // sensible fallback
48}
49
50// registry holds all registered tool renderers
51var registry = renderRegistry{}
52
53// baseRenderer provides common functionality for all tool renderers
54type baseRenderer struct{}
55
56func (br baseRenderer) Render(v *toolCallCmp) string {
57 if v.result.Data != "" {
58 if strings.HasPrefix(v.result.MIMEType, "image/") {
59 return br.renderWithParams(v, v.call.Name, nil, func() string {
60 return renderImageContent(v, v.result.Data, v.result.MIMEType, v.result.Content)
61 })
62 }
63 return br.renderWithParams(v, v.call.Name, nil, func() string {
64 return renderMediaContent(v, v.result.MIMEType, v.result.Content)
65 })
66 }
67
68 return br.renderWithParams(v, v.call.Name, nil, func() string {
69 return renderPlainContent(v, v.result.Content)
70 })
71}
72
73// paramBuilder helps construct parameter lists for tool headers
74type paramBuilder struct {
75 args []string
76}
77
78// newParamBuilder creates a new parameter builder
79func newParamBuilder() *paramBuilder {
80 return ¶mBuilder{args: make([]string, 0)}
81}
82
83// addMain adds the main parameter (first argument)
84func (pb *paramBuilder) addMain(value string) *paramBuilder {
85 if value != "" {
86 pb.args = append(pb.args, value)
87 }
88 return pb
89}
90
91// addKeyValue adds a key-value pair parameter
92func (pb *paramBuilder) addKeyValue(key, value string) *paramBuilder {
93 if value != "" {
94 pb.args = append(pb.args, key, value)
95 }
96 return pb
97}
98
99// addFlag adds a boolean flag parameter
100func (pb *paramBuilder) addFlag(key string, value bool) *paramBuilder {
101 if value {
102 pb.args = append(pb.args, key, "true")
103 }
104 return pb
105}
106
107// build returns the final parameter list
108func (pb *paramBuilder) build() []string {
109 return pb.args
110}
111
112// renderWithParams provides a common rendering pattern for tools with parameters
113func (br baseRenderer) renderWithParams(v *toolCallCmp, toolName string, args []string, contentRenderer func() string) string {
114 width := v.textWidth()
115 if v.isNested {
116 width -= 4 // Adjust for nested tool call indentation
117 }
118 header := br.makeHeader(v, toolName, width, args...)
119 if v.isNested {
120 return v.style().Render(header)
121 }
122 if res, done := earlyState(header, v); done {
123 return res
124 }
125 body := contentRenderer()
126 return joinHeaderBody(header, body)
127}
128
129// unmarshalParams safely unmarshal JSON parameters
130func (br baseRenderer) unmarshalParams(input string, target any) error {
131 return json.Unmarshal([]byte(input), target)
132}
133
134// makeHeader builds the tool call header with status icon and parameters for a nested tool call.
135func (br baseRenderer) makeNestedHeader(v *toolCallCmp, tool string, width int, params ...string) string {
136 t := styles.CurrentTheme()
137 icon := t.S().Base.Foreground(t.GreenDark).Render(styles.ToolPending)
138 if v.result.ToolCallID != "" {
139 if v.result.IsError {
140 icon = t.S().Base.Foreground(t.RedDark).Render(styles.ToolError)
141 } else {
142 icon = t.S().Base.Foreground(t.Green).Render(styles.ToolSuccess)
143 }
144 } else if v.cancelled {
145 icon = t.S().Muted.Render(styles.ToolPending)
146 }
147 tool = t.S().Base.Foreground(t.FgHalfMuted).Render(tool)
148 prefix := fmt.Sprintf("%s %s ", icon, tool)
149 return prefix + renderParamList(true, width-lipgloss.Width(prefix), params...)
150}
151
152// makeHeader builds "<Tool>: param (key=value)" and truncates as needed.
153func (br baseRenderer) makeHeader(v *toolCallCmp, tool string, width int, params ...string) string {
154 if v.isNested {
155 return br.makeNestedHeader(v, tool, width, params...)
156 }
157 t := styles.CurrentTheme()
158 icon := t.S().Base.Foreground(t.GreenDark).Render(styles.ToolPending)
159 if v.result.ToolCallID != "" {
160 if v.result.IsError {
161 icon = t.S().Base.Foreground(t.RedDark).Render(styles.ToolError)
162 } else {
163 icon = t.S().Base.Foreground(t.Green).Render(styles.ToolSuccess)
164 }
165 } else if v.cancelled {
166 icon = t.S().Muted.Render(styles.ToolPending)
167 }
168 tool = t.S().Base.Foreground(t.Blue).Render(tool)
169 prefix := fmt.Sprintf("%s %s ", icon, tool)
170 return prefix + renderParamList(false, width-lipgloss.Width(prefix), params...)
171}
172
173// renderError provides consistent error rendering
174func (br baseRenderer) renderError(v *toolCallCmp, message string) string {
175 t := styles.CurrentTheme()
176 header := br.makeHeader(v, prettifyToolName(v.call.Name), v.textWidth(), "")
177 errorTag := t.S().Base.Padding(0, 1).Background(t.Red).Foreground(t.White).Render("ERROR")
178 message = t.S().Base.Foreground(t.FgHalfMuted).Render(v.fit(message, v.textWidth()-3-lipgloss.Width(errorTag))) // -2 for padding and space
179 return joinHeaderBody(header, errorTag+" "+message)
180}
181
182// Register tool renderers
183func init() {
184 registry.register(tools.BashToolName, func() renderer { return bashRenderer{} })
185 registry.register(tools.JobOutputToolName, func() renderer { return bashOutputRenderer{} })
186 registry.register(tools.JobKillToolName, func() renderer { return bashKillRenderer{} })
187 registry.register(tools.DownloadToolName, func() renderer { return downloadRenderer{} })
188 registry.register(tools.ViewToolName, func() renderer { return viewRenderer{} })
189 registry.register(tools.EditToolName, func() renderer { return editRenderer{} })
190 registry.register(tools.DeleteToolName, func() renderer { return deleteRenderer{} })
191 registry.register(tools.MultiEditToolName, func() renderer { return multiEditRenderer{} })
192 registry.register(tools.WriteToolName, func() renderer { return writeRenderer{} })
193 registry.register(tools.FetchToolName, func() renderer { return simpleFetchRenderer{} })
194 registry.register(tools.AgenticFetchToolName, func() renderer { return agenticFetchRenderer{} })
195 registry.register(tools.WebFetchToolName, func() renderer { return webFetchRenderer{} })
196 registry.register(tools.WebSearchToolName, func() renderer { return webSearchRenderer{} })
197 registry.register(tools.GlobToolName, func() renderer { return globRenderer{} })
198 registry.register(tools.GrepToolName, func() renderer { return grepRenderer{} })
199 registry.register(tools.LSToolName, func() renderer { return lsRenderer{} })
200 registry.register(tools.SourcegraphToolName, func() renderer { return sourcegraphRenderer{} })
201 registry.register(tools.DiagnosticsToolName, func() renderer { return diagnosticsRenderer{} })
202 registry.register(tools.TodosToolName, func() renderer { return todosRenderer{} })
203 registry.register(agent.AgentToolName, func() renderer { return agentRenderer{} })
204}
205
206// -----------------------------------------------------------------------------
207// Generic renderer
208// -----------------------------------------------------------------------------
209
210// genericRenderer handles unknown tool types with basic parameter display
211type genericRenderer struct {
212 baseRenderer
213}
214
215func (gr genericRenderer) Render(v *toolCallCmp) string {
216 if v.result.Data != "" {
217 if strings.HasPrefix(v.result.MIMEType, "image/") {
218 return gr.renderWithParams(v, prettifyToolName(v.call.Name), []string{v.call.Input}, func() string {
219 return renderImageContent(v, v.result.Data, v.result.MIMEType, v.result.Content)
220 })
221 }
222 return gr.renderWithParams(v, prettifyToolName(v.call.Name), []string{v.call.Input}, func() string {
223 return renderMediaContent(v, v.result.MIMEType, v.result.Content)
224 })
225 }
226
227 return gr.renderWithParams(v, prettifyToolName(v.call.Name), []string{v.call.Input}, func() string {
228 return renderPlainContent(v, v.result.Content)
229 })
230}
231
232// -----------------------------------------------------------------------------
233// Bash renderer
234// -----------------------------------------------------------------------------
235
236// bashRenderer handles bash command execution display
237type bashRenderer struct {
238 baseRenderer
239}
240
241// Render displays the bash command with sanitized newlines and plain output
242func (br bashRenderer) Render(v *toolCallCmp) string {
243 var params tools.BashParams
244 if err := br.unmarshalParams(v.call.Input, ¶ms); err != nil {
245 return br.renderError(v, "Invalid bash parameters")
246 }
247
248 cmd := strings.ReplaceAll(params.Command, "\n", " ")
249 cmd = strings.ReplaceAll(cmd, "\t", " ")
250 args := newParamBuilder().
251 addMain(cmd).
252 addFlag("background", params.RunInBackground).
253 build()
254 if v.call.Finished {
255 var meta tools.BashResponseMetadata
256 _ = br.unmarshalParams(v.result.Metadata, &meta)
257 if meta.Background {
258 description := cmp.Or(meta.Description, params.Command)
259 width := v.textWidth()
260 if v.isNested {
261 width -= 4 // Adjust for nested tool call indentation
262 }
263 header := makeJobHeader(v, "Start", fmt.Sprintf("PID %s", meta.ShellID), description, width)
264 if v.isNested {
265 return v.style().Render(header)
266 }
267 if res, done := earlyState(header, v); done {
268 return res
269 }
270 content := "Command: " + params.Command + "\n" + v.result.Content
271 body := renderPlainContent(v, content)
272 return joinHeaderBody(header, body)
273 }
274 }
275
276 return br.renderWithParams(v, "Bash", args, func() string {
277 var meta tools.BashResponseMetadata
278 if err := br.unmarshalParams(v.result.Metadata, &meta); err != nil {
279 return renderPlainContent(v, v.result.Content)
280 }
281 // for backwards compatibility with older tool calls.
282 if meta.Output == "" && v.result.Content != tools.BashNoOutput {
283 meta.Output = v.result.Content
284 }
285
286 if meta.Output == "" {
287 return ""
288 }
289 return renderPlainContent(v, meta.Output)
290 })
291}
292
293// -----------------------------------------------------------------------------
294// Bash Output renderer
295// -----------------------------------------------------------------------------
296
297func makeJobHeader(v *toolCallCmp, subcommand, pid, description string, width int) string {
298 t := styles.CurrentTheme()
299 icon := t.S().Base.Foreground(t.GreenDark).Render(styles.ToolPending)
300 if v.result.ToolCallID != "" {
301 if v.result.IsError {
302 icon = t.S().Base.Foreground(t.RedDark).Render(styles.ToolError)
303 } else {
304 icon = t.S().Base.Foreground(t.Green).Render(styles.ToolSuccess)
305 }
306 } else if v.cancelled {
307 icon = t.S().Muted.Render(styles.ToolPending)
308 }
309
310 jobPart := t.S().Base.Foreground(t.Blue).Render("Job")
311 subcommandPart := t.S().Base.Foreground(t.BlueDark).Render("(" + subcommand + ")")
312 pidPart := t.S().Muted.Render(pid)
313 descPart := ""
314 if description != "" {
315 descPart = " " + t.S().Subtle.Render(description)
316 }
317
318 // Build the complete header
319 prefix := fmt.Sprintf("%s %s %s %s", icon, jobPart, subcommandPart, pidPart)
320 fullHeader := prefix + descPart
321
322 // Truncate if needed
323 if lipgloss.Width(fullHeader) > width {
324 availableWidth := width - lipgloss.Width(prefix) - 1 // -1 for space
325 if availableWidth < 10 {
326 // Not enough space for description, just show prefix
327 return prefix
328 }
329 descPart = " " + t.S().Subtle.Render(ansi.Truncate(description, availableWidth, "…"))
330 fullHeader = prefix + descPart
331 }
332
333 return fullHeader
334}
335
336// bashOutputRenderer handles bash output retrieval display
337type bashOutputRenderer struct {
338 baseRenderer
339}
340
341// Render displays the shell ID and output from a background shell
342func (bor bashOutputRenderer) Render(v *toolCallCmp) string {
343 var params tools.JobOutputParams
344 if err := bor.unmarshalParams(v.call.Input, ¶ms); err != nil {
345 return bor.renderError(v, "Invalid job_output parameters")
346 }
347
348 var meta tools.JobOutputResponseMetadata
349 var description string
350 if v.result.Metadata != "" {
351 if err := bor.unmarshalParams(v.result.Metadata, &meta); err == nil {
352 if meta.Description != "" {
353 description = meta.Description
354 } else {
355 description = meta.Command
356 }
357 }
358 }
359
360 width := v.textWidth()
361 if v.isNested {
362 width -= 4 // Adjust for nested tool call indentation
363 }
364 header := makeJobHeader(v, "Output", fmt.Sprintf("PID %s", params.ShellID), description, width)
365 if v.isNested {
366 return v.style().Render(header)
367 }
368 if res, done := earlyState(header, v); done {
369 return res
370 }
371 body := renderPlainContent(v, v.result.Content)
372 return joinHeaderBody(header, body)
373}
374
375// -----------------------------------------------------------------------------
376// Bash Kill renderer
377// -----------------------------------------------------------------------------
378
379// bashKillRenderer handles bash process termination display
380type bashKillRenderer struct {
381 baseRenderer
382}
383
384// Render displays the shell ID being terminated
385func (bkr bashKillRenderer) Render(v *toolCallCmp) string {
386 var params tools.JobKillParams
387 if err := bkr.unmarshalParams(v.call.Input, ¶ms); err != nil {
388 return bkr.renderError(v, "Invalid job_kill parameters")
389 }
390
391 var meta tools.JobKillResponseMetadata
392 var description string
393 if v.result.Metadata != "" {
394 if err := bkr.unmarshalParams(v.result.Metadata, &meta); err == nil {
395 if meta.Description != "" {
396 description = meta.Description
397 } else {
398 description = meta.Command
399 }
400 }
401 }
402
403 width := v.textWidth()
404 if v.isNested {
405 width -= 4 // Adjust for nested tool call indentation
406 }
407 header := makeJobHeader(v, "Kill", fmt.Sprintf("PID %s", params.ShellID), description, width)
408 if v.isNested {
409 return v.style().Render(header)
410 }
411 if res, done := earlyState(header, v); done {
412 return res
413 }
414 body := renderPlainContent(v, v.result.Content)
415 return joinHeaderBody(header, body)
416}
417
418// -----------------------------------------------------------------------------
419// View renderer
420// -----------------------------------------------------------------------------
421
422// viewRenderer handles file viewing with syntax highlighting and line numbers
423type viewRenderer struct {
424 baseRenderer
425}
426
427// Render displays file content with optional limit and offset parameters
428func (vr viewRenderer) Render(v *toolCallCmp) string {
429 var params tools.ViewParams
430 if err := vr.unmarshalParams(v.call.Input, ¶ms); err != nil {
431 return vr.renderError(v, "Invalid view parameters")
432 }
433
434 file := fsext.PrettyPath(params.FilePath)
435 args := newParamBuilder().
436 addMain(file).
437 addKeyValue("limit", formatNonZero(params.Limit)).
438 addKeyValue("offset", formatNonZero(params.Offset)).
439 build()
440
441 return vr.renderWithParams(v, "View", args, func() string {
442 if v.result.Data != "" && strings.HasPrefix(v.result.MIMEType, "image/") {
443 return renderImageContent(v, v.result.Data, v.result.MIMEType, "")
444 }
445
446 var meta tools.ViewResponseMetadata
447 if err := vr.unmarshalParams(v.result.Metadata, &meta); err != nil {
448 return renderPlainContent(v, v.result.Content)
449 }
450 return renderCodeContent(v, meta.FilePath, meta.Content, params.Offset)
451 })
452}
453
454// formatNonZero returns string representation of non-zero integers, empty string for zero
455func formatNonZero(value int) string {
456 if value == 0 {
457 return ""
458 }
459 return fmt.Sprintf("%d", value)
460}
461
462// -----------------------------------------------------------------------------
463// Edit renderer
464// -----------------------------------------------------------------------------
465
466// editRenderer handles file editing with diff visualization
467type editRenderer struct {
468 baseRenderer
469}
470
471// Render displays the edited file with a formatted diff of changes
472func (er editRenderer) Render(v *toolCallCmp) string {
473 t := styles.CurrentTheme()
474 var params tools.EditParams
475 var args []string
476 if err := er.unmarshalParams(v.call.Input, ¶ms); err == nil {
477 file := fsext.PrettyPath(params.FilePath)
478 args = newParamBuilder().addMain(file).build()
479 }
480
481 return er.renderWithParams(v, "Edit", args, func() string {
482 var meta tools.EditResponseMetadata
483 if err := er.unmarshalParams(v.result.Metadata, &meta); err != nil {
484 return renderPlainContent(v, v.result.Content)
485 }
486
487 formatter := core.DiffFormatter().
488 Before(fsext.PrettyPath(params.FilePath), meta.OldContent).
489 After(fsext.PrettyPath(params.FilePath), meta.NewContent).
490 Width(v.textWidth() - 2) // -2 for padding
491 if v.textWidth() > 120 {
492 formatter = formatter.Split()
493 }
494 // add a message to the bottom if the content was truncated
495 formatted := formatter.String()
496 if lipgloss.Height(formatted) > responseContextHeight {
497 contentLines := strings.Split(formatted, "\n")
498 truncateMessage := t.S().Muted.
499 Background(t.BgBaseLighter).
500 PaddingLeft(2).
501 Width(v.textWidth() - 2).
502 Render(fmt.Sprintf("… (%d lines)", len(contentLines)-responseContextHeight))
503 formatted = strings.Join(contentLines[:responseContextHeight], "\n") + "\n" + truncateMessage
504 }
505 return formatted
506 })
507}
508
509// -----------------------------------------------------------------------------
510// Multi-Edit renderer
511// -----------------------------------------------------------------------------
512
513// multiEditRenderer handles multiple file edits with diff visualization
514type multiEditRenderer struct {
515 baseRenderer
516}
517
518// Render displays the multi-edited file with a formatted diff of changes
519func (mer multiEditRenderer) Render(v *toolCallCmp) string {
520 t := styles.CurrentTheme()
521 var params tools.MultiEditParams
522 var args []string
523 if err := mer.unmarshalParams(v.call.Input, ¶ms); err == nil {
524 file := fsext.PrettyPath(params.FilePath)
525 editsCount := len(params.Edits)
526 args = newParamBuilder().
527 addMain(file).
528 addKeyValue("edits", fmt.Sprintf("%d", editsCount)).
529 build()
530 }
531
532 return mer.renderWithParams(v, "Multi-Edit", args, func() string {
533 var meta tools.MultiEditResponseMetadata
534 if err := mer.unmarshalParams(v.result.Metadata, &meta); err != nil {
535 return renderPlainContent(v, v.result.Content)
536 }
537
538 formatter := core.DiffFormatter().
539 Before(fsext.PrettyPath(params.FilePath), meta.OldContent).
540 After(fsext.PrettyPath(params.FilePath), meta.NewContent).
541 Width(v.textWidth() - 2) // -2 for padding
542 if v.textWidth() > 120 {
543 formatter = formatter.Split()
544 }
545 // add a message to the bottom if the content was truncated
546 formatted := formatter.String()
547 if lipgloss.Height(formatted) > responseContextHeight {
548 contentLines := strings.Split(formatted, "\n")
549 truncateMessage := t.S().Muted.
550 Background(t.BgBaseLighter).
551 PaddingLeft(2).
552 Width(v.textWidth() - 4).
553 Render(fmt.Sprintf("… (%d lines)", len(contentLines)-responseContextHeight))
554 formatted = strings.Join(contentLines[:responseContextHeight], "\n") + "\n" + truncateMessage
555 }
556
557 // Add failed edits warning if any exist
558 if len(meta.EditsFailed) > 0 {
559 noteTag := t.S().Base.Padding(0, 2).Background(t.Info).Foreground(t.White).Render("Note")
560 noteMsg := fmt.Sprintf("%d of %d edits succeeded", meta.EditsApplied, len(params.Edits))
561 note := t.S().Base.
562 Width(v.textWidth() - 2).
563 Render(fmt.Sprintf("%s %s", noteTag, t.S().Muted.Render(noteMsg)))
564 formatted = lipgloss.JoinVertical(lipgloss.Left, formatted, "", note)
565 }
566
567 return formatted
568 })
569}
570
571// -----------------------------------------------------------------------------
572// Delete renderer
573// -----------------------------------------------------------------------------
574
575// deleteRenderer handles file/directory deletion display
576type deleteRenderer struct {
577 baseRenderer
578}
579
580// Render displays the delete operation with file path and recursive flag
581func (dr deleteRenderer) Render(v *toolCallCmp) string {
582 var params tools.DeleteParams
583 var args []string
584 if err := dr.unmarshalParams(v.call.Input, ¶ms); err == nil {
585 file := fsext.PrettyPath(params.FilePath)
586 pb := newParamBuilder().addMain(file)
587 if params.Recursive {
588 pb.addFlag("recursive", true)
589 }
590 args = pb.build()
591 }
592
593 return dr.renderWithParams(v, "Delete", args, func() string {
594 return renderPlainContent(v, v.result.Content)
595 })
596}
597
598// -----------------------------------------------------------------------------
599// Write renderer
600// -----------------------------------------------------------------------------
601
602// writeRenderer handles file writing with syntax-highlighted content preview
603type writeRenderer struct {
604 baseRenderer
605}
606
607// Render displays the file being written with syntax highlighting
608func (wr writeRenderer) Render(v *toolCallCmp) string {
609 var params tools.WriteParams
610 var args []string
611 var file string
612 if err := wr.unmarshalParams(v.call.Input, ¶ms); err == nil {
613 file = fsext.PrettyPath(params.FilePath)
614 args = newParamBuilder().addMain(file).build()
615 }
616
617 return wr.renderWithParams(v, "Write", args, func() string {
618 return renderCodeContent(v, file, params.Content, 0)
619 })
620}
621
622// -----------------------------------------------------------------------------
623// Fetch renderer
624// -----------------------------------------------------------------------------
625
626// simpleFetchRenderer handles URL fetching with format-specific content display
627type simpleFetchRenderer struct {
628 baseRenderer
629}
630
631// Render displays the fetched URL with format and timeout parameters
632func (fr simpleFetchRenderer) Render(v *toolCallCmp) string {
633 var params tools.FetchParams
634 var args []string
635 if err := fr.unmarshalParams(v.call.Input, ¶ms); err == nil {
636 args = newParamBuilder().
637 addMain(params.URL).
638 addKeyValue("format", params.Format).
639 addKeyValue("timeout", formatTimeout(params.Timeout)).
640 build()
641 }
642
643 return fr.renderWithParams(v, "Fetch", args, func() string {
644 file := fr.getFileExtension(params.Format)
645 return renderCodeContent(v, file, v.result.Content, 0)
646 })
647}
648
649// getFileExtension returns appropriate file extension for syntax highlighting
650func (fr simpleFetchRenderer) getFileExtension(format string) string {
651 switch format {
652 case "text":
653 return "fetch.txt"
654 case "html":
655 return "fetch.html"
656 default:
657 return "fetch.md"
658 }
659}
660
661// -----------------------------------------------------------------------------
662// Agentic fetch renderer
663// -----------------------------------------------------------------------------
664
665// agenticFetchRenderer handles URL fetching with prompt parameter and nested tool calls
666type agenticFetchRenderer struct {
667 baseRenderer
668}
669
670// Render displays the fetched URL or web search with prompt parameter and nested tool calls
671func (fr agenticFetchRenderer) Render(v *toolCallCmp) string {
672 t := styles.CurrentTheme()
673 var params tools.AgenticFetchParams
674 var args []string
675 if err := fr.unmarshalParams(v.call.Input, ¶ms); err == nil {
676 if params.URL != "" {
677 args = newParamBuilder().
678 addMain(params.URL).
679 build()
680 }
681 }
682
683 prompt := params.Prompt
684 prompt = strings.ReplaceAll(prompt, "\n", " ")
685
686 header := fr.makeHeader(v, "Agentic Fetch", v.textWidth(), args...)
687 if res, done := earlyState(header, v); v.cancelled && done {
688 return res
689 }
690
691 taskTag := t.S().Base.Bold(true).Padding(0, 1).MarginLeft(2).Background(t.GreenLight).Foreground(t.Border).Render("Prompt")
692 remainingWidth := v.textWidth() - (lipgloss.Width(taskTag) + 1)
693 remainingWidth = min(remainingWidth, 120-(lipgloss.Width(taskTag)+1))
694 prompt = t.S().Base.Width(remainingWidth).Render(prompt)
695 header = lipgloss.JoinVertical(
696 lipgloss.Left,
697 header,
698 "",
699 lipgloss.JoinHorizontal(
700 lipgloss.Left,
701 taskTag,
702 " ",
703 prompt,
704 ),
705 )
706 childTools := tree.Root(header)
707
708 for _, call := range v.nestedToolCalls {
709 call.SetSize(remainingWidth, 1)
710 childTools.Child(call.View())
711 }
712 parts := []string{
713 childTools.Enumerator(RoundedEnumeratorWithWidth(2, lipgloss.Width(taskTag)-5)).String(),
714 }
715
716 if v.result.ToolCallID == "" {
717 v.spinning = true
718 parts = append(parts, "", v.anim.View())
719 } else {
720 v.spinning = false
721 }
722
723 header = lipgloss.JoinVertical(
724 lipgloss.Left,
725 parts...,
726 )
727
728 if v.result.ToolCallID == "" {
729 return header
730 }
731 body := renderMarkdownContent(v, v.result.Content)
732 return joinHeaderBody(header, body)
733}
734
735// formatTimeout converts timeout seconds to duration string
736func formatTimeout(timeout int) string {
737 if timeout == 0 {
738 return ""
739 }
740 return (time.Duration(timeout) * time.Second).String()
741}
742
743// -----------------------------------------------------------------------------
744// Web fetch renderer
745// -----------------------------------------------------------------------------
746
747// webFetchRenderer handles web page fetching with simplified URL display
748type webFetchRenderer struct {
749 baseRenderer
750}
751
752// Render displays a compact view of web_fetch with just the URL in a link style
753func (wfr webFetchRenderer) Render(v *toolCallCmp) string {
754 var params tools.WebFetchParams
755 var args []string
756 if err := wfr.unmarshalParams(v.call.Input, ¶ms); err == nil {
757 args = newParamBuilder().
758 addMain(params.URL).
759 build()
760 }
761
762 return wfr.renderWithParams(v, "Fetch", args, func() string {
763 return renderMarkdownContent(v, v.result.Content)
764 })
765}
766
767// -----------------------------------------------------------------------------
768// Web search renderer
769// -----------------------------------------------------------------------------
770
771// webSearchRenderer handles web search with query display
772type webSearchRenderer struct {
773 baseRenderer
774}
775
776// Render displays a compact view of web_search with just the query
777func (wsr webSearchRenderer) Render(v *toolCallCmp) string {
778 var params tools.WebSearchParams
779 var args []string
780 if err := wsr.unmarshalParams(v.call.Input, ¶ms); err == nil {
781 args = newParamBuilder().
782 addMain(params.Query).
783 build()
784 }
785
786 return wsr.renderWithParams(v, "Search", args, func() string {
787 return renderMarkdownContent(v, v.result.Content)
788 })
789}
790
791// -----------------------------------------------------------------------------
792// Download renderer
793// -----------------------------------------------------------------------------
794
795// downloadRenderer handles file downloading with URL and file path display
796type downloadRenderer struct {
797 baseRenderer
798}
799
800// Render displays the download URL and destination file path with timeout parameter
801func (dr downloadRenderer) Render(v *toolCallCmp) string {
802 var params tools.DownloadParams
803 var args []string
804 if err := dr.unmarshalParams(v.call.Input, ¶ms); err == nil {
805 args = newParamBuilder().
806 addMain(params.URL).
807 addKeyValue("file_path", fsext.PrettyPath(params.FilePath)).
808 addKeyValue("timeout", formatTimeout(params.Timeout)).
809 build()
810 }
811
812 return dr.renderWithParams(v, "Download", args, func() string {
813 return renderPlainContent(v, v.result.Content)
814 })
815}
816
817// -----------------------------------------------------------------------------
818// Glob renderer
819// -----------------------------------------------------------------------------
820
821// globRenderer handles file pattern matching with path filtering
822type globRenderer struct {
823 baseRenderer
824}
825
826// Render displays the glob pattern with optional path parameter
827func (gr globRenderer) Render(v *toolCallCmp) string {
828 var params tools.GlobParams
829 var args []string
830 if err := gr.unmarshalParams(v.call.Input, ¶ms); err == nil {
831 args = newParamBuilder().
832 addMain(params.Pattern).
833 addKeyValue("path", params.Path).
834 build()
835 }
836
837 return gr.renderWithParams(v, "Glob", args, func() string {
838 return renderPlainContent(v, v.result.Content)
839 })
840}
841
842// -----------------------------------------------------------------------------
843// Grep renderer
844// -----------------------------------------------------------------------------
845
846// grepRenderer handles content searching with pattern matching options
847type grepRenderer struct {
848 baseRenderer
849}
850
851// Render displays the search pattern with path, include, and literal text options
852func (gr grepRenderer) Render(v *toolCallCmp) string {
853 var params tools.GrepParams
854 var args []string
855 if err := gr.unmarshalParams(v.call.Input, ¶ms); err == nil {
856 args = newParamBuilder().
857 addMain(params.Pattern).
858 addKeyValue("path", params.Path).
859 addKeyValue("include", params.Include).
860 addFlag("literal", params.LiteralText).
861 build()
862 }
863
864 return gr.renderWithParams(v, "Grep", args, func() string {
865 return renderPlainContent(v, v.result.Content)
866 })
867}
868
869// -----------------------------------------------------------------------------
870// LS renderer
871// -----------------------------------------------------------------------------
872
873// lsRenderer handles directory listing with default path handling
874type lsRenderer struct {
875 baseRenderer
876}
877
878// Render displays the directory path, defaulting to current directory
879func (lr lsRenderer) Render(v *toolCallCmp) string {
880 var params tools.LSParams
881 var args []string
882 if err := lr.unmarshalParams(v.call.Input, ¶ms); err == nil {
883 path := params.Path
884 if path == "" {
885 path = "."
886 }
887 path = fsext.PrettyPath(path)
888
889 args = newParamBuilder().addMain(path).build()
890 }
891
892 return lr.renderWithParams(v, "List", args, func() string {
893 return renderPlainContent(v, v.result.Content)
894 })
895}
896
897// -----------------------------------------------------------------------------
898// Sourcegraph renderer
899// -----------------------------------------------------------------------------
900
901// sourcegraphRenderer handles code search with count and context options
902type sourcegraphRenderer struct {
903 baseRenderer
904}
905
906// Render displays the search query with optional count and context window parameters
907func (sr sourcegraphRenderer) Render(v *toolCallCmp) string {
908 var params tools.SourcegraphParams
909 var args []string
910 if err := sr.unmarshalParams(v.call.Input, ¶ms); err == nil {
911 args = newParamBuilder().
912 addMain(params.Query).
913 addKeyValue("count", formatNonZero(params.Count)).
914 addKeyValue("context", formatNonZero(params.ContextWindow)).
915 build()
916 }
917
918 return sr.renderWithParams(v, "Sourcegraph", args, func() string {
919 return renderPlainContent(v, v.result.Content)
920 })
921}
922
923// -----------------------------------------------------------------------------
924// Diagnostics renderer
925// -----------------------------------------------------------------------------
926
927// diagnosticsRenderer handles project-wide diagnostic information
928type diagnosticsRenderer struct {
929 baseRenderer
930}
931
932// Render displays project diagnostics with plain content formatting
933func (dr diagnosticsRenderer) Render(v *toolCallCmp) string {
934 args := newParamBuilder().addMain("project").build()
935
936 return dr.renderWithParams(v, "Diagnostics", args, func() string {
937 return renderPlainContent(v, v.result.Content)
938 })
939}
940
941// -----------------------------------------------------------------------------
942// Task renderer
943// -----------------------------------------------------------------------------
944
945// agentRenderer handles project-wide diagnostic information
946type agentRenderer struct {
947 baseRenderer
948}
949
950func RoundedEnumeratorWithWidth(lPadding, width int) tree.Enumerator {
951 if width == 0 {
952 width = 2
953 }
954 if lPadding == 0 {
955 lPadding = 1
956 }
957 return func(children tree.Children, index int) string {
958 line := strings.Repeat("─", width)
959 padding := strings.Repeat(" ", lPadding)
960 if children.Length()-1 == index {
961 return padding + "╰" + line
962 }
963 return padding + "├" + line
964 }
965}
966
967// Render displays agent task parameters and result content
968func (tr agentRenderer) Render(v *toolCallCmp) string {
969 t := styles.CurrentTheme()
970 var params agent.AgentParams
971 tr.unmarshalParams(v.call.Input, ¶ms)
972
973 prompt := params.Prompt
974 prompt = strings.ReplaceAll(prompt, "\n", " ")
975
976 header := tr.makeHeader(v, "Agent", v.textWidth())
977 if res, done := earlyState(header, v); v.cancelled && done {
978 return res
979 }
980 taskTag := t.S().Base.Bold(true).Padding(0, 1).MarginLeft(2).Background(t.BlueLight).Foreground(t.White).Render("Task")
981 remainingWidth := v.textWidth() - lipgloss.Width(header) - lipgloss.Width(taskTag) - 2
982 remainingWidth = min(remainingWidth, 120-lipgloss.Width(taskTag)-2)
983 prompt = t.S().Muted.Width(remainingWidth).Render(prompt)
984 header = lipgloss.JoinVertical(
985 lipgloss.Left,
986 header,
987 "",
988 lipgloss.JoinHorizontal(
989 lipgloss.Left,
990 taskTag,
991 " ",
992 prompt,
993 ),
994 )
995 childTools := tree.Root(header)
996
997 for _, call := range v.nestedToolCalls {
998 call.SetSize(remainingWidth, 1)
999 childTools.Child(call.View())
1000 }
1001 parts := []string{
1002 childTools.Enumerator(RoundedEnumeratorWithWidth(2, lipgloss.Width(taskTag)-5)).String(),
1003 }
1004
1005 if v.result.ToolCallID == "" {
1006 v.spinning = true
1007 parts = append(parts, "", v.anim.View())
1008 } else {
1009 v.spinning = false
1010 }
1011
1012 header = lipgloss.JoinVertical(
1013 lipgloss.Left,
1014 parts...,
1015 )
1016
1017 if v.result.ToolCallID == "" {
1018 return header
1019 }
1020
1021 body := renderMarkdownContent(v, v.result.Content)
1022 return joinHeaderBody(header, body)
1023}
1024
1025// renderParamList renders params, params[0] (params[1]=params[2] ....)
1026func renderParamList(nested bool, paramsWidth int, params ...string) string {
1027 t := styles.CurrentTheme()
1028 if len(params) == 0 {
1029 return ""
1030 }
1031 mainParam := params[0]
1032 if paramsWidth >= 0 && lipgloss.Width(mainParam) > paramsWidth {
1033 mainParam = ansi.Truncate(mainParam, paramsWidth, "…")
1034 }
1035
1036 if len(params) == 1 {
1037 return t.S().Subtle.Render(mainParam)
1038 }
1039 otherParams := params[1:]
1040 // create pairs of key/value
1041 // if odd number of params, the last one is a key without value
1042 if len(otherParams)%2 != 0 {
1043 otherParams = append(otherParams, "")
1044 }
1045 parts := make([]string, 0, len(otherParams)/2)
1046 for i := 0; i < len(otherParams); i += 2 {
1047 key := otherParams[i]
1048 value := otherParams[i+1]
1049 if value == "" {
1050 continue
1051 }
1052 parts = append(parts, fmt.Sprintf("%s=%s", key, value))
1053 }
1054
1055 partsRendered := strings.Join(parts, ", ")
1056 remainingWidth := paramsWidth - lipgloss.Width(partsRendered) - 3 // count for " ()"
1057 if remainingWidth < 30 {
1058 // No space for the params, just show the main
1059 return t.S().Subtle.Render(mainParam)
1060 }
1061
1062 if len(parts) > 0 {
1063 mainParam = fmt.Sprintf("%s (%s)", mainParam, strings.Join(parts, ", "))
1064 }
1065
1066 return t.S().Subtle.Render(ansi.Truncate(mainParam, paramsWidth, "…"))
1067}
1068
1069// earlyState returns immediately‑rendered error/cancelled/ongoing states.
1070func earlyState(header string, v *toolCallCmp) (string, bool) {
1071 t := styles.CurrentTheme()
1072 message := ""
1073 switch {
1074 case v.result.IsError:
1075 message = v.renderToolError()
1076 case v.cancelled:
1077 message = t.S().Base.Foreground(t.FgSubtle).Render("Canceled.")
1078 case v.result.ToolCallID == "":
1079 if v.permissionRequested && !v.permissionGranted {
1080 message = t.S().Base.Foreground(t.FgSubtle).Render("Requesting permission...")
1081 } else {
1082 message = t.S().Base.Foreground(t.FgSubtle).Render("Waiting for tool response...")
1083 }
1084 default:
1085 return "", false
1086 }
1087
1088 message = t.S().Base.PaddingLeft(2).Render(message)
1089 return lipgloss.JoinVertical(lipgloss.Left, header, "", message), true
1090}
1091
1092func joinHeaderBody(header, body string) string {
1093 t := styles.CurrentTheme()
1094 if body == "" {
1095 return header
1096 }
1097 body = t.S().Base.PaddingLeft(2).Render(body)
1098 return lipgloss.JoinVertical(lipgloss.Left, header, "", body)
1099}
1100
1101func renderPlainContent(v *toolCallCmp, content string) string {
1102 t := styles.CurrentTheme()
1103 content = strings.ReplaceAll(content, "\r\n", "\n") // Normalize line endings
1104 content = strings.ReplaceAll(content, "\t", " ") // Replace tabs with spaces
1105 content = strings.TrimSpace(content)
1106 lines := strings.Split(content, "\n")
1107
1108 width := v.textWidth() - 2
1109 var out []string
1110 for i, ln := range lines {
1111 if i >= responseContextHeight {
1112 break
1113 }
1114 ln = ansiext.Escape(ln)
1115 ln = " " + ln
1116 if lipgloss.Width(ln) > width {
1117 ln = v.fit(ln, width)
1118 }
1119 out = append(out, t.S().Muted.
1120 Width(width).
1121 Background(t.BgBaseLighter).
1122 Render(ln))
1123 }
1124
1125 if len(lines) > responseContextHeight {
1126 out = append(out, t.S().Muted.
1127 Background(t.BgBaseLighter).
1128 Width(width).
1129 Render(fmt.Sprintf("… (%d lines)", len(lines)-responseContextHeight)))
1130 }
1131
1132 return strings.Join(out, "\n")
1133}
1134
1135func renderMarkdownContent(v *toolCallCmp, content string) string {
1136 t := styles.CurrentTheme()
1137 content = strings.ReplaceAll(content, "\r\n", "\n")
1138 content = strings.ReplaceAll(content, "\t", " ")
1139 content = strings.TrimSpace(content)
1140
1141 width := v.textWidth() - 2
1142 width = min(width, 120)
1143
1144 renderer := styles.GetPlainMarkdownRenderer(width)
1145 rendered, err := renderer.Render(content)
1146 if err != nil {
1147 return renderPlainContent(v, content)
1148 }
1149
1150 lines := strings.Split(rendered, "\n")
1151
1152 var out []string
1153 for i, ln := range lines {
1154 if i >= responseContextHeight {
1155 break
1156 }
1157 out = append(out, ln)
1158 }
1159
1160 style := t.S().Muted.Background(t.BgBaseLighter)
1161 if len(lines) > responseContextHeight {
1162 out = append(out, style.
1163 Width(width-2).
1164 Render(fmt.Sprintf("… (%d lines)", len(lines)-responseContextHeight)))
1165 }
1166
1167 return style.Render(strings.Join(out, "\n"))
1168}
1169
1170func getDigits(n int) int {
1171 if n == 0 {
1172 return 1
1173 }
1174 if n < 0 {
1175 n = -n
1176 }
1177
1178 digits := 0
1179 for n > 0 {
1180 n /= 10
1181 digits++
1182 }
1183
1184 return digits
1185}
1186
1187func renderCodeContent(v *toolCallCmp, path, content string, offset int) string {
1188 t := styles.CurrentTheme()
1189 content = strings.ReplaceAll(content, "\r\n", "\n") // Normalize line endings
1190 content = strings.ReplaceAll(content, "\t", " ") // Replace tabs with spaces
1191 truncated := truncateHeight(content, responseContextHeight)
1192
1193 lines := strings.Split(truncated, "\n")
1194 for i, ln := range lines {
1195 lines[i] = ansiext.Escape(ln)
1196 }
1197
1198 bg := t.BgBase
1199 highlighted, _ := highlight.SyntaxHighlight(strings.Join(lines, "\n"), path, bg)
1200 lines = strings.Split(highlighted, "\n")
1201
1202 if len(strings.Split(content, "\n")) > responseContextHeight {
1203 lines = append(lines, t.S().Muted.
1204 Background(bg).
1205 Render(fmt.Sprintf(" …(%d lines)", len(strings.Split(content, "\n"))-responseContextHeight)))
1206 }
1207
1208 maxLineNumber := len(lines) + offset
1209 maxDigits := getDigits(maxLineNumber)
1210 numFmt := fmt.Sprintf("%%%dd", maxDigits)
1211 const numPR, numPL, codePR, codePL = 1, 1, 1, 2
1212 w := v.textWidth() - maxDigits - numPL - numPR - 2 // -2 for left padding
1213 for i, ln := range lines {
1214 num := t.S().Base.
1215 Foreground(t.FgMuted).
1216 Background(t.BgBase).
1217 PaddingRight(1).
1218 PaddingLeft(1).
1219 Render(fmt.Sprintf(numFmt, i+1+offset))
1220 lines[i] = lipgloss.JoinHorizontal(lipgloss.Left,
1221 num,
1222 t.S().Base.
1223 Width(w).
1224 Background(bg).
1225 PaddingRight(1).
1226 PaddingLeft(2).
1227 Render(v.fit(ln, w-codePL-codePR)),
1228 )
1229 }
1230
1231 return lipgloss.JoinVertical(lipgloss.Left, lines...)
1232}
1233
1234// renderImageContent renders image data with optional text content (for MCP tools).
1235func renderImageContent(v *toolCallCmp, data, mediaType, textContent string) string {
1236 t := styles.CurrentTheme()
1237
1238 dataSize := len(data) * 3 / 4
1239 sizeStr := formatSize(dataSize)
1240
1241 loaded := t.S().Base.Foreground(t.Green).Render("Loaded")
1242 arrow := t.S().Base.Foreground(t.GreenDark).Render("→")
1243 typeStyled := t.S().Base.Render(mediaType)
1244 sizeStyled := t.S().Subtle.Render(sizeStr)
1245
1246 imageDisplay := fmt.Sprintf("%s %s %s %s", loaded, arrow, typeStyled, sizeStyled)
1247 if strings.TrimSpace(textContent) != "" {
1248 textDisplay := renderPlainContent(v, textContent)
1249 return lipgloss.JoinVertical(lipgloss.Left, textDisplay, "", imageDisplay)
1250 }
1251
1252 return imageDisplay
1253}
1254
1255// renderMediaContent renders non-image media content.
1256func renderMediaContent(v *toolCallCmp, mediaType, textContent string) string {
1257 t := styles.CurrentTheme()
1258
1259 loaded := t.S().Base.Foreground(t.Green).Render("Loaded")
1260 arrow := t.S().Base.Foreground(t.GreenDark).Render("→")
1261 typeStyled := t.S().Base.Render(mediaType)
1262 mediaDisplay := fmt.Sprintf("%s %s %s", loaded, arrow, typeStyled)
1263
1264 if strings.TrimSpace(textContent) != "" {
1265 textDisplay := renderPlainContent(v, textContent)
1266 return lipgloss.JoinVertical(lipgloss.Left, textDisplay, "", mediaDisplay)
1267 }
1268
1269 return mediaDisplay
1270}
1271
1272// formatSize formats byte count as human-readable size.
1273func formatSize(bytes int) string {
1274 if bytes < 1024 {
1275 return fmt.Sprintf("%d B", bytes)
1276 }
1277 if bytes < 1024*1024 {
1278 return fmt.Sprintf("%.1f KB", float64(bytes)/1024)
1279 }
1280 return fmt.Sprintf("%.1f MB", float64(bytes)/(1024*1024))
1281}
1282
1283func (v *toolCallCmp) renderToolError() string {
1284 t := styles.CurrentTheme()
1285 err := strings.ReplaceAll(v.result.Content, "\n", " ")
1286 errTag := t.S().Base.Padding(0, 1).Background(t.Red).Foreground(t.White).Render("ERROR")
1287 err = fmt.Sprintf("%s %s", errTag, t.S().Base.Foreground(t.FgHalfMuted).Render(v.fit(err, v.textWidth()-2-lipgloss.Width(errTag))))
1288 return err
1289}
1290
1291func truncateHeight(s string, h int) string {
1292 lines := strings.Split(s, "\n")
1293 if len(lines) > h {
1294 return strings.Join(lines[:h], "\n")
1295 }
1296 return s
1297}
1298
1299func prettifyToolName(name string) string {
1300 switch name {
1301 case agent.AgentToolName:
1302 return "Agent"
1303 case tools.BashToolName:
1304 return "Bash"
1305 case tools.JobOutputToolName:
1306 return "Job: Output"
1307 case tools.JobKillToolName:
1308 return "Job: Kill"
1309 case tools.DownloadToolName:
1310 return "Download"
1311 case tools.EditToolName:
1312 return "Edit"
1313 case tools.MultiEditToolName:
1314 return "Multi-Edit"
1315 case tools.FetchToolName:
1316 return "Fetch"
1317 case tools.AgenticFetchToolName:
1318 return "Agentic Fetch"
1319 case tools.WebFetchToolName:
1320 return "Fetch"
1321 case tools.WebSearchToolName:
1322 return "Search"
1323 case tools.GlobToolName:
1324 return "Glob"
1325 case tools.GrepToolName:
1326 return "Grep"
1327 case tools.LSToolName:
1328 return "List"
1329 case tools.SourcegraphToolName:
1330 return "Sourcegraph"
1331 case tools.TodosToolName:
1332 return "To-Do"
1333 case tools.ViewToolName:
1334 return "View"
1335 case tools.WriteToolName:
1336 return "Write"
1337 default:
1338 return name
1339 }
1340}
1341
1342// -----------------------------------------------------------------------------
1343// Todos renderer
1344// -----------------------------------------------------------------------------
1345
1346type todosRenderer struct {
1347 baseRenderer
1348}
1349
1350func (tr todosRenderer) Render(v *toolCallCmp) string {
1351 t := styles.CurrentTheme()
1352 var params tools.TodosParams
1353 var meta tools.TodosResponseMetadata
1354 var headerText string
1355 var body string
1356
1357 // Parse params for pending state (before result is available).
1358 if err := tr.unmarshalParams(v.call.Input, ¶ms); err == nil {
1359 completedCount := 0
1360 inProgressTask := ""
1361 for _, todo := range params.Todos {
1362 if todo.Status == "completed" {
1363 completedCount++
1364 }
1365 if todo.Status == "in_progress" {
1366 if todo.ActiveForm != "" {
1367 inProgressTask = todo.ActiveForm
1368 } else {
1369 inProgressTask = todo.Content
1370 }
1371 }
1372 }
1373
1374 // Default display from params (used when pending or no metadata).
1375 ratio := t.S().Base.Foreground(t.BlueDark).Render(fmt.Sprintf("%d/%d", completedCount, len(params.Todos)))
1376 headerText = ratio
1377 if inProgressTask != "" {
1378 headerText = fmt.Sprintf("%s · %s", ratio, inProgressTask)
1379 }
1380
1381 // If we have metadata, use it for richer display.
1382 if v.result.Metadata != "" {
1383 if err := tr.unmarshalParams(v.result.Metadata, &meta); err == nil {
1384 if meta.IsNew {
1385 if meta.JustStarted != "" {
1386 headerText = fmt.Sprintf("created %d todos, starting first", meta.Total)
1387 } else {
1388 headerText = fmt.Sprintf("created %d todos", meta.Total)
1389 }
1390 body = todos.FormatTodosList(meta.Todos, styles.ArrowRightIcon, t, v.textWidth())
1391 } else {
1392 // Build header based on what changed.
1393 hasCompleted := len(meta.JustCompleted) > 0
1394 hasStarted := meta.JustStarted != ""
1395 allCompleted := meta.Completed == meta.Total
1396
1397 ratio := t.S().Base.Foreground(t.BlueDark).Render(fmt.Sprintf("%d/%d", meta.Completed, meta.Total))
1398 if hasCompleted && hasStarted {
1399 text := t.S().Subtle.Render(fmt.Sprintf(" · completed %d, starting next", len(meta.JustCompleted)))
1400 headerText = fmt.Sprintf("%s%s", ratio, text)
1401 } else if hasCompleted {
1402 text := t.S().Subtle.Render(fmt.Sprintf(" · completed %d", len(meta.JustCompleted)))
1403 if allCompleted {
1404 text = t.S().Subtle.Render(" · completed all")
1405 }
1406 headerText = fmt.Sprintf("%s%s", ratio, text)
1407 } else if hasStarted {
1408 headerText = fmt.Sprintf("%s%s", ratio, t.S().Subtle.Render(" · starting task"))
1409 } else {
1410 headerText = ratio
1411 }
1412
1413 // Build body with details.
1414 if allCompleted {
1415 // Show all todos when all are completed, like when created
1416 body = todos.FormatTodosList(meta.Todos, styles.ArrowRightIcon, t, v.textWidth())
1417 } else if meta.JustStarted != "" {
1418 body = t.S().Base.Foreground(t.GreenDark).Render(styles.ArrowRightIcon+" ") +
1419 t.S().Base.Foreground(t.FgBase).Render(meta.JustStarted)
1420 }
1421 }
1422 }
1423 }
1424 }
1425
1426 args := newParamBuilder().addMain(headerText).build()
1427
1428 return tr.renderWithParams(v, "To-Do", args, func() string {
1429 return body
1430 })
1431}