1package messages
2
3import (
4 "encoding/json"
5 "fmt"
6 "strings"
7 "time"
8
9 "github.com/charmbracelet/crush/internal/ansiext"
10 "github.com/charmbracelet/crush/internal/fsext"
11 "github.com/charmbracelet/crush/internal/llm/agent"
12 "github.com/charmbracelet/crush/internal/llm/tools"
13 "github.com/charmbracelet/crush/internal/tui/components/core"
14 "github.com/charmbracelet/crush/internal/tui/highlight"
15 "github.com/charmbracelet/crush/internal/tui/styles"
16 "github.com/charmbracelet/lipgloss/v2"
17 "github.com/charmbracelet/lipgloss/v2/tree"
18 "github.com/charmbracelet/x/ansi"
19)
20
21// responseContextHeight limits the number of lines displayed in tool output
22const responseContextHeight = 10
23
24// renderer defines the interface for tool-specific rendering implementations
25type renderer interface {
26 // Render returns the complete (already styled) tool‑call view, not
27 // including the outer border.
28 Render(v *toolCallCmp) string
29}
30
31// rendererFactory creates new renderer instances
32type rendererFactory func() renderer
33
34// renderRegistry manages the mapping of tool names to their renderers
35type renderRegistry map[string]rendererFactory
36
37// register adds a new renderer factory to the registry
38func (rr renderRegistry) register(name string, f rendererFactory) { rr[name] = f }
39
40// lookup retrieves a renderer for the given tool name, falling back to generic renderer
41func (rr renderRegistry) lookup(name string) renderer {
42 if f, ok := rr[name]; ok {
43 return f()
44 }
45 return genericRenderer{} // sensible fallback
46}
47
48// registry holds all registered tool renderers
49var registry = renderRegistry{}
50
51// baseRenderer provides common functionality for all tool renderers
52type baseRenderer struct{}
53
54// paramBuilder helps construct parameter lists for tool headers
55type paramBuilder struct {
56 args []string
57}
58
59// newParamBuilder creates a new parameter builder
60func newParamBuilder() *paramBuilder {
61 return ¶mBuilder{args: make([]string, 0)}
62}
63
64// addMain adds the main parameter (first argument)
65func (pb *paramBuilder) addMain(value string) *paramBuilder {
66 if value != "" {
67 pb.args = append(pb.args, value)
68 }
69 return pb
70}
71
72// addKeyValue adds a key-value pair parameter
73func (pb *paramBuilder) addKeyValue(key, value string) *paramBuilder {
74 if value != "" {
75 pb.args = append(pb.args, key, value)
76 }
77 return pb
78}
79
80// addFlag adds a boolean flag parameter
81func (pb *paramBuilder) addFlag(key string, value bool) *paramBuilder {
82 if value {
83 pb.args = append(pb.args, key, "true")
84 }
85 return pb
86}
87
88// build returns the final parameter list
89func (pb *paramBuilder) build() []string {
90 return pb.args
91}
92
93// renderWithParams provides a common rendering pattern for tools with parameters
94func (br baseRenderer) renderWithParams(v *toolCallCmp, toolName string, args []string, contentRenderer func() string) string {
95 width := v.textWidth()
96 if v.isNested {
97 width -= 4 // Adjust for nested tool call indentation
98 }
99 header := br.makeHeader(v, toolName, width, args...)
100 if v.isNested {
101 return v.style().Render(header)
102 }
103 if res, done := earlyState(header, v); done {
104 return res
105 }
106 body := contentRenderer()
107 return joinHeaderBody(header, body)
108}
109
110// unmarshalParams safely unmarshal JSON parameters
111func (br baseRenderer) unmarshalParams(input string, target any) error {
112 return json.Unmarshal([]byte(input), target)
113}
114
115// makeHeader builds the tool call header with status icon and parameters for a nested tool call.
116func (br baseRenderer) makeNestedHeader(v *toolCallCmp, tool string, width int, params ...string) string {
117 t := styles.CurrentTheme()
118 icon := t.S().Base.Foreground(t.GreenDark).Render(styles.ToolPending)
119 if v.result.ToolCallID != "" {
120 if v.result.IsError {
121 icon = t.S().Base.Foreground(t.RedDark).Render(styles.ToolError)
122 } else {
123 icon = t.S().Base.Foreground(t.Green).Render(styles.ToolSuccess)
124 }
125 } else if v.cancelled {
126 icon = t.S().Muted.Render(styles.ToolPending)
127 }
128 tool = t.S().Base.Foreground(t.FgHalfMuted).Render(tool)
129 prefix := fmt.Sprintf("%s %s ", icon, tool)
130 return prefix + renderParamList(true, width-lipgloss.Width(prefix), params...)
131}
132
133// makeHeader builds "<Tool>: param (key=value)" and truncates as needed.
134func (br baseRenderer) makeHeader(v *toolCallCmp, tool string, width int, params ...string) string {
135 if v.isNested {
136 return br.makeNestedHeader(v, tool, width, params...)
137 }
138 t := styles.CurrentTheme()
139 icon := t.S().Base.Foreground(t.GreenDark).Render(styles.ToolPending)
140 if v.result.ToolCallID != "" {
141 if v.result.IsError {
142 icon = t.S().Base.Foreground(t.RedDark).Render(styles.ToolError)
143 } else {
144 icon = t.S().Base.Foreground(t.Green).Render(styles.ToolSuccess)
145 }
146 } else if v.cancelled {
147 icon = t.S().Muted.Render(styles.ToolPending)
148 }
149 tool = t.S().Base.Foreground(t.Blue).Render(tool)
150 prefix := fmt.Sprintf("%s %s ", icon, tool)
151 return prefix + renderParamList(false, width-lipgloss.Width(prefix), params...)
152}
153
154// renderError provides consistent error rendering
155func (br baseRenderer) renderError(v *toolCallCmp, message string) string {
156 t := styles.CurrentTheme()
157 header := br.makeHeader(v, prettifyToolName(v.call.Name), v.textWidth(), "")
158 errorTag := t.S().Base.Padding(0, 1).Background(t.Red).Foreground(t.White).Render("ERROR")
159 message = t.S().Base.Foreground(t.FgHalfMuted).Render(v.fit(message, v.textWidth()-3-lipgloss.Width(errorTag))) // -2 for padding and space
160 return joinHeaderBody(header, errorTag+" "+message)
161}
162
163// Register tool renderers
164func init() {
165 registry.register(tools.BashToolName, func() renderer { return bashRenderer{} })
166 registry.register(tools.DownloadToolName, func() renderer { return downloadRenderer{} })
167 registry.register(tools.ViewToolName, func() renderer { return viewRenderer{} })
168 registry.register(tools.EditToolName, func() renderer { return editRenderer{} })
169 registry.register(tools.MultiEditToolName, func() renderer { return multiEditRenderer{} })
170 registry.register(tools.WriteToolName, func() renderer { return writeRenderer{} })
171 registry.register(tools.FetchToolName, func() renderer { return fetchRenderer{} })
172 registry.register(tools.GlobToolName, func() renderer { return globRenderer{} })
173 registry.register(tools.GrepToolName, func() renderer { return grepRenderer{} })
174 registry.register(tools.LSToolName, func() renderer { return lsRenderer{} })
175 registry.register(tools.SourcegraphToolName, func() renderer { return sourcegraphRenderer{} })
176 registry.register(tools.DiagnosticsToolName, func() renderer { return diagnosticsRenderer{} })
177 registry.register(agent.AgentToolName, func() renderer { return agentRenderer{} })
178}
179
180// -----------------------------------------------------------------------------
181// Generic renderer
182// -----------------------------------------------------------------------------
183
184// genericRenderer handles unknown tool types with basic parameter display
185type genericRenderer struct {
186 baseRenderer
187}
188
189// Render displays the tool call with its raw input and plain content output
190func (gr genericRenderer) Render(v *toolCallCmp) string {
191 return gr.renderWithParams(v, prettifyToolName(v.call.Name), []string{v.call.Input}, func() string {
192 return renderPlainContent(v, v.result.Content)
193 })
194}
195
196// -----------------------------------------------------------------------------
197// Bash renderer
198// -----------------------------------------------------------------------------
199
200// bashRenderer handles bash command execution display
201type bashRenderer struct {
202 baseRenderer
203}
204
205// Render displays the bash command with sanitized newlines and plain output
206func (br bashRenderer) Render(v *toolCallCmp) string {
207 var params tools.BashParams
208 if err := br.unmarshalParams(v.call.Input, ¶ms); err != nil {
209 return br.renderError(v, "Invalid bash parameters")
210 }
211
212 cmd := strings.ReplaceAll(params.Command, "\n", " ")
213 cmd = strings.ReplaceAll(cmd, "\t", " ")
214 args := newParamBuilder().addMain(cmd).build()
215
216 return br.renderWithParams(v, "Bash", args, func() string {
217 var meta tools.BashResponseMetadata
218 if err := br.unmarshalParams(v.result.Metadata, &meta); err != nil {
219 return renderPlainContent(v, v.result.Content)
220 }
221 // for backwards compatibility with older tool calls.
222 if meta.Output == "" && v.result.Content != tools.BashNoOutput {
223 meta.Output = v.result.Content
224 }
225
226 if meta.Output == "" {
227 return ""
228 }
229 return renderPlainContent(v, meta.Output)
230 })
231}
232
233// -----------------------------------------------------------------------------
234// View renderer
235// -----------------------------------------------------------------------------
236
237// viewRenderer handles file viewing with syntax highlighting and line numbers
238type viewRenderer struct {
239 baseRenderer
240}
241
242// Render displays file content with optional limit and offset parameters
243func (vr viewRenderer) Render(v *toolCallCmp) string {
244 var params tools.ViewParams
245 if err := vr.unmarshalParams(v.call.Input, ¶ms); err != nil {
246 return vr.renderError(v, "Invalid view parameters")
247 }
248
249 file := fsext.PrettyPath(params.FilePath)
250 args := newParamBuilder().
251 addMain(file).
252 addKeyValue("limit", formatNonZero(params.Limit)).
253 addKeyValue("offset", formatNonZero(params.Offset)).
254 build()
255
256 return vr.renderWithParams(v, "View", args, func() string {
257 var meta tools.ViewResponseMetadata
258 if err := vr.unmarshalParams(v.result.Metadata, &meta); err != nil {
259 return renderPlainContent(v, v.result.Content)
260 }
261 return renderCodeContent(v, meta.FilePath, meta.Content, params.Offset)
262 })
263}
264
265// formatNonZero returns string representation of non-zero integers, empty string for zero
266func formatNonZero(value int) string {
267 if value == 0 {
268 return ""
269 }
270 return fmt.Sprintf("%d", value)
271}
272
273// -----------------------------------------------------------------------------
274// Edit renderer
275// -----------------------------------------------------------------------------
276
277// editRenderer handles file editing with diff visualization
278type editRenderer struct {
279 baseRenderer
280}
281
282// Render displays the edited file with a formatted diff of changes
283func (er editRenderer) Render(v *toolCallCmp) string {
284 t := styles.CurrentTheme()
285 var params tools.EditParams
286 var args []string
287 if err := er.unmarshalParams(v.call.Input, ¶ms); err == nil {
288 file := fsext.PrettyPath(params.FilePath)
289 args = newParamBuilder().addMain(file).build()
290 }
291
292 return er.renderWithParams(v, "Edit", args, func() string {
293 var meta tools.EditResponseMetadata
294 if err := er.unmarshalParams(v.result.Metadata, &meta); err != nil {
295 return renderPlainContent(v, v.result.Content)
296 }
297
298 formatter := core.DiffFormatter().
299 Before(fsext.PrettyPath(params.FilePath), meta.OldContent).
300 After(fsext.PrettyPath(params.FilePath), meta.NewContent).
301 Width(v.textWidth() - 2) // -2 for padding
302 if v.textWidth() > 120 {
303 formatter = formatter.Split()
304 }
305 // add a message to the bottom if the content was truncated
306 formatted := formatter.String()
307 if lipgloss.Height(formatted) > responseContextHeight {
308 contentLines := strings.Split(formatted, "\n")
309 truncateMessage := t.S().Muted.
310 Background(t.BgBaseLighter).
311 PaddingLeft(2).
312 Width(v.textWidth() - 4).
313 Render(fmt.Sprintf("… (%d lines)", len(contentLines)-responseContextHeight))
314 formatted = strings.Join(contentLines[:responseContextHeight], "\n") + "\n" + truncateMessage
315 }
316 return formatted
317 })
318}
319
320// -----------------------------------------------------------------------------
321// Multi-Edit renderer
322// -----------------------------------------------------------------------------
323
324// multiEditRenderer handles multiple file edits with diff visualization
325type multiEditRenderer struct {
326 baseRenderer
327}
328
329// Render displays the multi-edited file with a formatted diff of changes
330func (mer multiEditRenderer) Render(v *toolCallCmp) string {
331 t := styles.CurrentTheme()
332 var params tools.MultiEditParams
333 var args []string
334 if err := mer.unmarshalParams(v.call.Input, ¶ms); err == nil {
335 file := fsext.PrettyPath(params.FilePath)
336 editsCount := len(params.Edits)
337 args = newParamBuilder().
338 addMain(file).
339 addKeyValue("edits", fmt.Sprintf("%d", editsCount)).
340 build()
341 }
342
343 return mer.renderWithParams(v, "Multi-Edit", args, func() string {
344 var meta tools.MultiEditResponseMetadata
345 if err := mer.unmarshalParams(v.result.Metadata, &meta); err != nil {
346 return renderPlainContent(v, v.result.Content)
347 }
348
349 formatter := core.DiffFormatter().
350 Before(fsext.PrettyPath(params.FilePath), meta.OldContent).
351 After(fsext.PrettyPath(params.FilePath), meta.NewContent).
352 Width(v.textWidth() - 2) // -2 for padding
353 if v.textWidth() > 120 {
354 formatter = formatter.Split()
355 }
356 // add a message to the bottom if the content was truncated
357 formatted := formatter.String()
358 if lipgloss.Height(formatted) > responseContextHeight {
359 contentLines := strings.Split(formatted, "\n")
360 truncateMessage := t.S().Muted.
361 Background(t.BgBaseLighter).
362 PaddingLeft(2).
363 Width(v.textWidth() - 4).
364 Render(fmt.Sprintf("… (%d lines)", len(contentLines)-responseContextHeight))
365 formatted = strings.Join(contentLines[:responseContextHeight], "\n") + "\n" + truncateMessage
366 }
367 return formatted
368 })
369}
370
371// -----------------------------------------------------------------------------
372// Write renderer
373// -----------------------------------------------------------------------------
374
375// writeRenderer handles file writing with syntax-highlighted content preview
376type writeRenderer struct {
377 baseRenderer
378}
379
380// Render displays the file being written with syntax highlighting
381func (wr writeRenderer) Render(v *toolCallCmp) string {
382 var params tools.WriteParams
383 var args []string
384 var file string
385 if err := wr.unmarshalParams(v.call.Input, ¶ms); err == nil {
386 file = fsext.PrettyPath(params.FilePath)
387 args = newParamBuilder().addMain(file).build()
388 }
389
390 return wr.renderWithParams(v, "Write", args, func() string {
391 return renderCodeContent(v, file, params.Content, 0)
392 })
393}
394
395// -----------------------------------------------------------------------------
396// Fetch renderer
397// -----------------------------------------------------------------------------
398
399// fetchRenderer handles URL fetching with format-specific content display
400type fetchRenderer struct {
401 baseRenderer
402}
403
404// Render displays the fetched URL with format and timeout parameters
405func (fr fetchRenderer) Render(v *toolCallCmp) string {
406 var params tools.FetchParams
407 var args []string
408 if err := fr.unmarshalParams(v.call.Input, ¶ms); err == nil {
409 args = newParamBuilder().
410 addMain(params.URL).
411 addKeyValue("format", params.Format).
412 addKeyValue("timeout", formatTimeout(params.Timeout)).
413 build()
414 }
415
416 return fr.renderWithParams(v, "Fetch", args, func() string {
417 file := fr.getFileExtension(params.Format)
418 return renderCodeContent(v, file, v.result.Content, 0)
419 })
420}
421
422// getFileExtension returns appropriate file extension for syntax highlighting
423func (fr fetchRenderer) getFileExtension(format string) string {
424 switch format {
425 case "text":
426 return "fetch.txt"
427 case "html":
428 return "fetch.html"
429 default:
430 return "fetch.md"
431 }
432}
433
434// formatTimeout converts timeout seconds to duration string
435func formatTimeout(timeout int) string {
436 if timeout == 0 {
437 return ""
438 }
439 return (time.Duration(timeout) * time.Second).String()
440}
441
442// -----------------------------------------------------------------------------
443// Download renderer
444// -----------------------------------------------------------------------------
445
446// downloadRenderer handles file downloading with URL and file path display
447type downloadRenderer struct {
448 baseRenderer
449}
450
451// Render displays the download URL and destination file path with timeout parameter
452func (dr downloadRenderer) Render(v *toolCallCmp) string {
453 var params tools.DownloadParams
454 var args []string
455 if err := dr.unmarshalParams(v.call.Input, ¶ms); err == nil {
456 args = newParamBuilder().
457 addMain(params.URL).
458 addKeyValue("file_path", fsext.PrettyPath(params.FilePath)).
459 addKeyValue("timeout", formatTimeout(params.Timeout)).
460 build()
461 }
462
463 return dr.renderWithParams(v, "Download", args, func() string {
464 return renderPlainContent(v, v.result.Content)
465 })
466}
467
468// -----------------------------------------------------------------------------
469// Glob renderer
470// -----------------------------------------------------------------------------
471
472// globRenderer handles file pattern matching with path filtering
473type globRenderer struct {
474 baseRenderer
475}
476
477// Render displays the glob pattern with optional path parameter
478func (gr globRenderer) Render(v *toolCallCmp) string {
479 var params tools.GlobParams
480 var args []string
481 if err := gr.unmarshalParams(v.call.Input, ¶ms); err == nil {
482 args = newParamBuilder().
483 addMain(params.Pattern).
484 addKeyValue("path", params.Path).
485 build()
486 }
487
488 return gr.renderWithParams(v, "Glob", args, func() string {
489 return renderPlainContent(v, v.result.Content)
490 })
491}
492
493// -----------------------------------------------------------------------------
494// Grep renderer
495// -----------------------------------------------------------------------------
496
497// grepRenderer handles content searching with pattern matching options
498type grepRenderer struct {
499 baseRenderer
500}
501
502// Render displays the search pattern with path, include, and literal text options
503func (gr grepRenderer) Render(v *toolCallCmp) string {
504 var params tools.GrepParams
505 var args []string
506 if err := gr.unmarshalParams(v.call.Input, ¶ms); err == nil {
507 args = newParamBuilder().
508 addMain(params.Pattern).
509 addKeyValue("path", params.Path).
510 addKeyValue("include", params.Include).
511 addFlag("literal", params.LiteralText).
512 build()
513 }
514
515 return gr.renderWithParams(v, "Grep", args, func() string {
516 return renderPlainContent(v, v.result.Content)
517 })
518}
519
520// -----------------------------------------------------------------------------
521// LS renderer
522// -----------------------------------------------------------------------------
523
524// lsRenderer handles directory listing with default path handling
525type lsRenderer struct {
526 baseRenderer
527}
528
529// Render displays the directory path, defaulting to current directory
530func (lr lsRenderer) Render(v *toolCallCmp) string {
531 var params tools.LSParams
532 var args []string
533 if err := lr.unmarshalParams(v.call.Input, ¶ms); err == nil {
534 path := params.Path
535 if path == "" {
536 path = "."
537 }
538 path = fsext.PrettyPath(path)
539
540 args = newParamBuilder().addMain(path).build()
541 }
542
543 return lr.renderWithParams(v, "List", args, func() string {
544 return renderPlainContent(v, v.result.Content)
545 })
546}
547
548// -----------------------------------------------------------------------------
549// Sourcegraph renderer
550// -----------------------------------------------------------------------------
551
552// sourcegraphRenderer handles code search with count and context options
553type sourcegraphRenderer struct {
554 baseRenderer
555}
556
557// Render displays the search query with optional count and context window parameters
558func (sr sourcegraphRenderer) Render(v *toolCallCmp) string {
559 var params tools.SourcegraphParams
560 var args []string
561 if err := sr.unmarshalParams(v.call.Input, ¶ms); err == nil {
562 args = newParamBuilder().
563 addMain(params.Query).
564 addKeyValue("count", formatNonZero(params.Count)).
565 addKeyValue("context", formatNonZero(params.ContextWindow)).
566 build()
567 }
568
569 return sr.renderWithParams(v, "Sourcegraph", args, func() string {
570 return renderPlainContent(v, v.result.Content)
571 })
572}
573
574// -----------------------------------------------------------------------------
575// Diagnostics renderer
576// -----------------------------------------------------------------------------
577
578// diagnosticsRenderer handles project-wide diagnostic information
579type diagnosticsRenderer struct {
580 baseRenderer
581}
582
583// Render displays project diagnostics with plain content formatting
584func (dr diagnosticsRenderer) Render(v *toolCallCmp) string {
585 args := newParamBuilder().addMain("project").build()
586
587 return dr.renderWithParams(v, "Diagnostics", args, func() string {
588 return renderPlainContent(v, v.result.Content)
589 })
590}
591
592// -----------------------------------------------------------------------------
593// Task renderer
594// -----------------------------------------------------------------------------
595
596// agentRenderer handles project-wide diagnostic information
597type agentRenderer struct {
598 baseRenderer
599}
600
601func RoundedEnumerator(children tree.Children, index int) string {
602 if children.Length()-1 == index {
603 return " ╰──"
604 }
605 return " ├──"
606}
607
608// Render displays agent task parameters and result content
609func (tr agentRenderer) Render(v *toolCallCmp) string {
610 t := styles.CurrentTheme()
611 var params agent.AgentParams
612 tr.unmarshalParams(v.call.Input, ¶ms)
613
614 prompt := params.Prompt
615 prompt = strings.ReplaceAll(prompt, "\n", " ")
616
617 header := tr.makeHeader(v, "Agent", v.textWidth())
618 if res, done := earlyState(header, v); v.cancelled && done {
619 return res
620 }
621 taskTag := t.S().Base.Padding(0, 1).MarginLeft(1).Background(t.BlueLight).Foreground(t.White).Render("Task")
622 remainingWidth := v.textWidth() - lipgloss.Width(header) - lipgloss.Width(taskTag) - 2 // -2 for padding
623 prompt = t.S().Muted.Width(remainingWidth).Render(prompt)
624 header = lipgloss.JoinVertical(
625 lipgloss.Left,
626 header,
627 "",
628 lipgloss.JoinHorizontal(
629 lipgloss.Left,
630 taskTag,
631 " ",
632 prompt,
633 ),
634 )
635 childTools := tree.Root(header)
636
637 for _, call := range v.nestedToolCalls {
638 childTools.Child(call.View())
639 }
640 parts := []string{
641 childTools.Enumerator(RoundedEnumerator).String(),
642 }
643
644 if v.result.ToolCallID == "" {
645 v.spinning = true
646 parts = append(parts, "", v.anim.View())
647 } else {
648 v.spinning = false
649 }
650
651 header = lipgloss.JoinVertical(
652 lipgloss.Left,
653 parts...,
654 )
655
656 if v.result.ToolCallID == "" {
657 return header
658 }
659
660 body := renderPlainContent(v, v.result.Content)
661 return joinHeaderBody(header, body)
662}
663
664// renderParamList renders params, params[0] (params[1]=params[2] ....)
665func renderParamList(nested bool, paramsWidth int, params ...string) string {
666 t := styles.CurrentTheme()
667 if len(params) == 0 {
668 return ""
669 }
670 mainParam := params[0]
671 if paramsWidth >= 0 && lipgloss.Width(mainParam) > paramsWidth {
672 mainParam = ansi.Truncate(mainParam, paramsWidth, "…")
673 }
674
675 if len(params) == 1 {
676 if nested {
677 return t.S().Muted.Render(mainParam)
678 }
679 return t.S().Subtle.Render(mainParam)
680 }
681 otherParams := params[1:]
682 // create pairs of key/value
683 // if odd number of params, the last one is a key without value
684 if len(otherParams)%2 != 0 {
685 otherParams = append(otherParams, "")
686 }
687 parts := make([]string, 0, len(otherParams)/2)
688 for i := 0; i < len(otherParams); i += 2 {
689 key := otherParams[i]
690 value := otherParams[i+1]
691 if value == "" {
692 continue
693 }
694 parts = append(parts, fmt.Sprintf("%s=%s", key, value))
695 }
696
697 partsRendered := strings.Join(parts, ", ")
698 remainingWidth := paramsWidth - lipgloss.Width(partsRendered) - 3 // count for " ()"
699 if remainingWidth < 30 {
700 if nested {
701 return t.S().Muted.Render(mainParam)
702 }
703 // No space for the params, just show the main
704 return t.S().Subtle.Render(mainParam)
705 }
706
707 if len(parts) > 0 {
708 mainParam = fmt.Sprintf("%s (%s)", mainParam, strings.Join(parts, ", "))
709 }
710
711 if nested {
712 return t.S().Muted.Render(ansi.Truncate(mainParam, paramsWidth, "…"))
713 }
714 return t.S().Subtle.Render(ansi.Truncate(mainParam, paramsWidth, "…"))
715}
716
717// earlyState returns immediately‑rendered error/cancelled/ongoing states.
718func earlyState(header string, v *toolCallCmp) (string, bool) {
719 t := styles.CurrentTheme()
720 message := ""
721 switch {
722 case v.result.IsError:
723 message = v.renderToolError()
724 case v.cancelled:
725 message = t.S().Base.Foreground(t.FgSubtle).Render("Canceled.")
726 case v.result.ToolCallID == "":
727 if v.permissionRequested && !v.permissionGranted {
728 message = t.S().Base.Foreground(t.FgSubtle).Render("Requesting for permission...")
729 } else {
730 message = t.S().Base.Foreground(t.FgSubtle).Render("Waiting for tool response...")
731 }
732 default:
733 return "", false
734 }
735
736 message = t.S().Base.PaddingLeft(2).Render(message)
737 return lipgloss.JoinVertical(lipgloss.Left, header, "", message), true
738}
739
740func joinHeaderBody(header, body string) string {
741 t := styles.CurrentTheme()
742 if body == "" {
743 return header
744 }
745 body = t.S().Base.PaddingLeft(2).Render(body)
746 return lipgloss.JoinVertical(lipgloss.Left, header, "", body)
747}
748
749func renderPlainContent(v *toolCallCmp, content string) string {
750 t := styles.CurrentTheme()
751 content = strings.ReplaceAll(content, "\r\n", "\n") // Normalize line endings
752 content = strings.ReplaceAll(content, "\t", " ") // Replace tabs with spaces
753 content = strings.TrimSpace(content)
754 lines := strings.Split(content, "\n")
755
756 width := v.textWidth() - 2 // -2 for left padding
757 var out []string
758 for i, ln := range lines {
759 if i >= responseContextHeight {
760 break
761 }
762 ln = ansiext.Escape(ln)
763 ln = " " + ln // left padding
764 if len(ln) > width {
765 ln = v.fit(ln, width)
766 }
767 out = append(out, t.S().Muted.
768 Width(width).
769 Background(t.BgBaseLighter).
770 Render(ln))
771 }
772
773 if len(lines) > responseContextHeight {
774 out = append(out, t.S().Muted.
775 Background(t.BgBaseLighter).
776 Width(width).
777 Render(fmt.Sprintf("… (%d lines)", len(lines)-responseContextHeight)))
778 }
779
780 return strings.Join(out, "\n")
781}
782
783func pad(v any, width int) string {
784 s := fmt.Sprintf("%v", v)
785 w := ansi.StringWidth(s)
786 if w >= width {
787 return s
788 }
789 return strings.Repeat(" ", width-w) + s
790}
791
792func renderCodeContent(v *toolCallCmp, path, content string, offset int) string {
793 t := styles.CurrentTheme()
794 content = strings.ReplaceAll(content, "\r\n", "\n") // Normalize line endings
795 content = strings.ReplaceAll(content, "\t", " ") // Replace tabs with spaces
796 truncated := truncateHeight(content, responseContextHeight)
797
798 lines := strings.Split(truncated, "\n")
799 for i, ln := range lines {
800 lines[i] = ansiext.Escape(ln)
801 }
802
803 highlighted, _ := highlight.SyntaxHighlight(strings.Join(lines, "\n"), path, t.BgBase)
804 lines = strings.Split(highlighted, "\n")
805
806 if len(strings.Split(content, "\n")) > responseContextHeight {
807 lines = append(lines, t.S().Muted.
808 Background(t.BgBase).
809 Render(fmt.Sprintf(" …(%d lines)", len(strings.Split(content, "\n"))-responseContextHeight)))
810 }
811
812 maxLineNumber := len(lines) + offset
813 padding := lipgloss.Width(fmt.Sprintf("%d", maxLineNumber))
814 for i, ln := range lines {
815 num := t.S().Base.
816 Foreground(t.FgMuted).
817 Background(t.BgBase).
818 PaddingRight(1).
819 PaddingLeft(1).
820 Render(pad(i+1+offset, padding))
821 w := v.textWidth() - 10 - lipgloss.Width(num) // -4 for left padding
822 lines[i] = lipgloss.JoinHorizontal(lipgloss.Left,
823 num,
824 t.S().Base.
825 PaddingLeft(1).
826 Render(v.fit(ln, w-1)))
827 }
828
829 return lipgloss.JoinVertical(lipgloss.Left, lines...)
830}
831
832func (v *toolCallCmp) renderToolError() string {
833 t := styles.CurrentTheme()
834 err := strings.ReplaceAll(v.result.Content, "\n", " ")
835 errTag := t.S().Base.Padding(0, 1).Background(t.Red).Foreground(t.White).Render("ERROR")
836 err = fmt.Sprintf("%s %s", errTag, t.S().Base.Foreground(t.FgHalfMuted).Render(v.fit(err, v.textWidth()-2-lipgloss.Width(errTag))))
837 return err
838}
839
840func truncateHeight(s string, h int) string {
841 lines := strings.Split(s, "\n")
842 if len(lines) > h {
843 return strings.Join(lines[:h], "\n")
844 }
845 return s
846}
847
848func prettifyToolName(name string) string {
849 switch name {
850 case agent.AgentToolName:
851 return "Agent"
852 case tools.BashToolName:
853 return "Bash"
854 case tools.DownloadToolName:
855 return "Download"
856 case tools.EditToolName:
857 return "Edit"
858 case tools.MultiEditToolName:
859 return "Multi-Edit"
860 case tools.FetchToolName:
861 return "Fetch"
862 case tools.GlobToolName:
863 return "Glob"
864 case tools.GrepToolName:
865 return "Grep"
866 case tools.LSToolName:
867 return "List"
868 case tools.SourcegraphToolName:
869 return "Sourcegraph"
870 case tools.ViewToolName:
871 return "View"
872 case tools.WriteToolName:
873 return "Write"
874 default:
875 return name
876 }
877}