1package dialog
2
3import (
4 "cmp"
5 "fmt"
6 "slices"
7 "strings"
8
9 "charm.land/bubbles/v2/help"
10 "charm.land/bubbles/v2/key"
11 "charm.land/bubbles/v2/textinput"
12 tea "charm.land/bubbletea/v2"
13 "github.com/charmbracelet/catwalk/pkg/catwalk"
14 "github.com/charmbracelet/crush/internal/config"
15 "github.com/charmbracelet/crush/internal/ui/common"
16 "github.com/charmbracelet/crush/internal/uiutil"
17 uv "github.com/charmbracelet/ultraviolet"
18)
19
20// ModelType represents the type of model to select.
21type ModelType int
22
23const (
24 ModelTypeLarge ModelType = iota
25 ModelTypeSmall
26)
27
28// String returns the string representation of the [ModelType].
29func (mt ModelType) String() string {
30 switch mt {
31 case ModelTypeLarge:
32 return "Large Task"
33 case ModelTypeSmall:
34 return "Small Task"
35 default:
36 return "Unknown"
37 }
38}
39
40// Config returns the corresponding config model type.
41func (mt ModelType) Config() config.SelectedModelType {
42 switch mt {
43 case ModelTypeLarge:
44 return config.SelectedModelTypeLarge
45 case ModelTypeSmall:
46 return config.SelectedModelTypeSmall
47 default:
48 return ""
49 }
50}
51
52// Placeholder returns the input placeholder for the model type.
53func (mt ModelType) Placeholder() string {
54 switch mt {
55 case ModelTypeLarge:
56 return largeModelInputPlaceholder
57 case ModelTypeSmall:
58 return smallModelInputPlaceholder
59 default:
60 return ""
61 }
62}
63
64const (
65 largeModelInputPlaceholder = "Choose a model for large, complex tasks"
66 smallModelInputPlaceholder = "Choose a model for small, simple tasks"
67)
68
69// ModelsID is the identifier for the model selection dialog.
70const ModelsID = "models"
71
72const defaultModelsDialogMaxWidth = 70
73
74// Models represents a model selection dialog.
75type Models struct {
76 com *common.Common
77
78 modelType ModelType
79 providers []catwalk.Provider
80
81 keyMap struct {
82 Tab key.Binding
83 UpDown key.Binding
84 Select key.Binding
85 Next key.Binding
86 Previous key.Binding
87 Close key.Binding
88 }
89 list *ModelsList
90 input textinput.Model
91 help help.Model
92}
93
94var _ Dialog = (*Models)(nil)
95
96// NewModels creates a new Models dialog.
97func NewModels(com *common.Common) (*Models, error) {
98 t := com.Styles
99 m := &Models{}
100 m.com = com
101 help := help.New()
102 help.Styles = t.DialogHelpStyles()
103
104 m.help = help
105 m.list = NewModelsList(t)
106 m.list.Focus()
107 m.list.SetSelected(0)
108
109 m.input = textinput.New()
110 m.input.SetVirtualCursor(false)
111 m.input.Placeholder = largeModelInputPlaceholder
112 m.input.SetStyles(com.Styles.TextInput)
113 m.input.Focus()
114
115 m.keyMap.Tab = key.NewBinding(
116 key.WithKeys("tab", "shift+tab"),
117 key.WithHelp("tab", "toggle type"),
118 )
119 m.keyMap.Select = key.NewBinding(
120 key.WithKeys("enter", "ctrl+y"),
121 key.WithHelp("enter", "confirm"),
122 )
123 m.keyMap.UpDown = key.NewBinding(
124 key.WithKeys("up", "down"),
125 key.WithHelp("↑/↓", "choose"),
126 )
127 m.keyMap.Next = key.NewBinding(
128 key.WithKeys("down", "ctrl+n"),
129 key.WithHelp("↓", "next item"),
130 )
131 m.keyMap.Previous = key.NewBinding(
132 key.WithKeys("up", "ctrl+p"),
133 key.WithHelp("↑", "previous item"),
134 )
135 m.keyMap.Close = CloseKey
136
137 providers, err := getFilteredProviders(com.Config())
138 if err != nil {
139 return nil, fmt.Errorf("failed to get providers: %w", err)
140 }
141
142 m.providers = providers
143 if err := m.setProviderItems(); err != nil {
144 return nil, fmt.Errorf("failed to set provider items: %w", err)
145 }
146
147 return m, nil
148}
149
150// ID implements Dialog.
151func (m *Models) ID() string {
152 return ModelsID
153}
154
155// HandleMsg implements Dialog.
156func (m *Models) HandleMsg(msg tea.Msg) Action {
157 switch msg := msg.(type) {
158 case tea.KeyPressMsg:
159 switch {
160 case key.Matches(msg, m.keyMap.Close):
161 return ActionClose{}
162 case key.Matches(msg, m.keyMap.Previous):
163 m.list.Focus()
164 if m.list.IsSelectedFirst() {
165 m.list.SelectLast()
166 m.list.ScrollToBottom()
167 break
168 }
169 m.list.SelectPrev()
170 m.list.ScrollToSelected()
171 case key.Matches(msg, m.keyMap.Next):
172 m.list.Focus()
173 if m.list.IsSelectedLast() {
174 m.list.SelectFirst()
175 m.list.ScrollToTop()
176 break
177 }
178 m.list.SelectNext()
179 m.list.ScrollToSelected()
180 case key.Matches(msg, m.keyMap.Select):
181 selectedItem := m.list.SelectedItem()
182 if selectedItem == nil {
183 break
184 }
185
186 modelItem, ok := selectedItem.(*ModelItem)
187 if !ok {
188 break
189 }
190
191 return ActionSelectModel{
192 Provider: modelItem.prov,
193 Model: modelItem.SelectedModel(),
194 ModelType: modelItem.SelectedModelType(),
195 }
196 case key.Matches(msg, m.keyMap.Tab):
197 if m.modelType == ModelTypeLarge {
198 m.modelType = ModelTypeSmall
199 } else {
200 m.modelType = ModelTypeLarge
201 }
202 if err := m.setProviderItems(); err != nil {
203 return uiutil.ReportError(err)
204 }
205 default:
206 var cmd tea.Cmd
207 m.input, cmd = m.input.Update(msg)
208 value := m.input.Value()
209 m.list.Focus()
210 m.list.SetFilter(value)
211 m.list.SelectFirst()
212 m.list.ScrollToTop()
213 return ActionCmd{cmd}
214 }
215 }
216 return nil
217}
218
219// Cursor returns the cursor for the dialog.
220func (m *Models) Cursor() *tea.Cursor {
221 return InputCursor(m.com.Styles, m.input.Cursor())
222}
223
224// modelTypeRadioView returns the radio view for model type selection.
225func (m *Models) modelTypeRadioView() string {
226 t := m.com.Styles
227 textStyle := t.HalfMuted
228 largeRadioStyle := t.RadioOff
229 smallRadioStyle := t.RadioOff
230 if m.modelType == ModelTypeLarge {
231 largeRadioStyle = t.RadioOn
232 } else {
233 smallRadioStyle = t.RadioOn
234 }
235
236 largeRadio := largeRadioStyle.Padding(0, 1).Render()
237 smallRadio := smallRadioStyle.Padding(0, 1).Render()
238
239 return fmt.Sprintf("%s%s %s%s",
240 largeRadio, textStyle.Render(ModelTypeLarge.String()),
241 smallRadio, textStyle.Render(ModelTypeSmall.String()))
242}
243
244// Draw implements [Dialog].
245func (m *Models) Draw(scr uv.Screen, area uv.Rectangle) *tea.Cursor {
246 t := m.com.Styles
247 width := max(0, min(defaultModelsDialogMaxWidth, area.Dx()))
248 height := max(0, min(defaultDialogHeight, area.Dy()))
249 innerWidth := width - t.Dialog.View.GetHorizontalFrameSize()
250 heightOffset := t.Dialog.Title.GetVerticalFrameSize() + titleContentHeight +
251 t.Dialog.InputPrompt.GetVerticalFrameSize() + inputContentHeight +
252 t.Dialog.HelpView.GetVerticalFrameSize() +
253 t.Dialog.View.GetVerticalFrameSize()
254 m.input.SetWidth(innerWidth - t.Dialog.InputPrompt.GetHorizontalFrameSize() - 1) // (1) cursor padding
255 m.list.SetSize(innerWidth, height-heightOffset)
256 m.help.SetWidth(innerWidth)
257
258 rc := NewRenderContext(t, width)
259 rc.Title = "Switch Model"
260 rc.TitleInfo = m.modelTypeRadioView()
261 inputView := t.Dialog.InputPrompt.Render(m.input.View())
262 rc.AddPart(inputView)
263 listView := t.Dialog.List.Height(m.list.Height()).Render(m.list.Render())
264 rc.AddPart(listView)
265 rc.Help = m.help.View(m)
266
267 view := rc.Render()
268
269 cur := m.Cursor()
270 DrawCenterCursor(scr, area, view, cur)
271 return cur
272}
273
274// ShortHelp returns the short help view.
275func (m *Models) ShortHelp() []key.Binding {
276 return []key.Binding{
277 m.keyMap.UpDown,
278 m.keyMap.Tab,
279 m.keyMap.Select,
280 m.keyMap.Close,
281 }
282}
283
284// FullHelp returns the full help view.
285func (m *Models) FullHelp() [][]key.Binding {
286 return [][]key.Binding{
287 {
288 m.keyMap.Select,
289 m.keyMap.Next,
290 m.keyMap.Previous,
291 m.keyMap.Tab,
292 },
293 {
294 m.keyMap.Close,
295 },
296 }
297}
298
299// setProviderItems sets the provider items in the list.
300func (m *Models) setProviderItems() error {
301 t := m.com.Styles
302 cfg := m.com.Config()
303
304 var selectedItemID string
305 selectedType := m.modelType.Config()
306 currentModel := cfg.Models[selectedType]
307 recentItems := cfg.RecentModels[selectedType]
308
309 // Track providers already added to avoid duplicates
310 addedProviders := make(map[string]bool)
311
312 // Get a list of known providers to compare against
313 knownProviders, err := config.Providers(cfg)
314 if err != nil {
315 return fmt.Errorf("failed to get providers: %w", err)
316 }
317
318 containsProviderFunc := func(id string) func(p catwalk.Provider) bool {
319 return func(p catwalk.Provider) bool {
320 return p.ID == catwalk.InferenceProvider(id)
321 }
322 }
323
324 // itemsMap contains the keys of added model items.
325 itemsMap := make(map[string]*ModelItem)
326 groups := []ModelGroup{}
327 for id, p := range cfg.Providers.Seq2() {
328 if p.Disable {
329 continue
330 }
331
332 // Check if this provider is not in the known providers list
333 if !slices.ContainsFunc(knownProviders, containsProviderFunc(id)) ||
334 !slices.ContainsFunc(m.providers, containsProviderFunc(id)) {
335 provider := p.ToProvider()
336
337 // Add this unknown provider to the list
338 name := cmp.Or(p.Name, id)
339
340 addedProviders[id] = true
341
342 group := NewModelGroup(t, name, true)
343 for _, model := range p.Models {
344 item := NewModelItem(t, provider, model, m.modelType, false)
345 group.AppendItems(item)
346 itemsMap[item.ID()] = item
347 if model.ID == currentModel.Model && string(provider.ID) == currentModel.Provider {
348 selectedItemID = item.ID()
349 }
350 }
351 if len(group.Items) > 0 {
352 groups = append(groups, group)
353 }
354 }
355 }
356
357 // Now add known providers from the predefined list
358 for _, provider := range m.providers {
359 providerID := string(provider.ID)
360 if addedProviders[providerID] {
361 continue
362 }
363
364 providerConfig, providerConfigured := cfg.Providers.Get(providerID)
365 if providerConfigured && providerConfig.Disable {
366 continue
367 }
368
369 displayProvider := provider
370 if providerConfigured {
371 displayProvider.Name = cmp.Or(providerConfig.Name, displayProvider.Name)
372 modelIndex := make(map[string]int, len(displayProvider.Models))
373 for i, model := range displayProvider.Models {
374 modelIndex[model.ID] = i
375 }
376 for _, model := range providerConfig.Models {
377 if model.ID == "" {
378 continue
379 }
380 if idx, ok := modelIndex[model.ID]; ok {
381 if model.Name != "" {
382 displayProvider.Models[idx].Name = model.Name
383 }
384 continue
385 }
386 if model.Name == "" {
387 model.Name = model.ID
388 }
389 displayProvider.Models = append(displayProvider.Models, model)
390 modelIndex[model.ID] = len(displayProvider.Models) - 1
391 }
392 }
393
394 name := displayProvider.Name
395 if name == "" {
396 name = providerID
397 }
398
399 group := NewModelGroup(t, name, providerConfigured)
400 for _, model := range displayProvider.Models {
401 item := NewModelItem(t, provider, model, m.modelType, false)
402 group.AppendItems(item)
403 itemsMap[item.ID()] = item
404 if model.ID == currentModel.Model && string(provider.ID) == currentModel.Provider {
405 selectedItemID = item.ID()
406 }
407 }
408
409 groups = append(groups, group)
410 }
411
412 if len(recentItems) > 0 {
413 recentGroup := NewModelGroup(t, "Recently used", false)
414
415 var validRecentItems []config.SelectedModel
416 for _, recent := range recentItems {
417 key := modelKey(recent.Provider, recent.Model)
418 item, ok := itemsMap[key]
419 if !ok {
420 continue
421 }
422
423 // Show provider for recent items
424 item = NewModelItem(t, item.prov, item.model, m.modelType, true)
425 item.showProvider = true
426
427 validRecentItems = append(validRecentItems, recent)
428 recentGroup.AppendItems(item)
429 if recent.Model == currentModel.Model && recent.Provider == currentModel.Provider {
430 selectedItemID = item.ID()
431 }
432 }
433
434 if len(validRecentItems) != len(recentItems) {
435 // FIXME: Does this need to be here? Is it mutating the config during a read?
436 if err := cfg.SetConfigField(fmt.Sprintf("recent_models.%s", selectedType), validRecentItems); err != nil {
437 return fmt.Errorf("failed to update recent models: %w", err)
438 }
439 }
440
441 if len(recentGroup.Items) > 0 {
442 groups = append([]ModelGroup{recentGroup}, groups...)
443 }
444 }
445
446 // Set model groups in the list.
447 m.list.SetGroups(groups...)
448 m.list.SetSelectedItem(selectedItemID)
449 m.list.ScrollToSelected()
450
451 // Update placeholder based on model type
452 m.input.Placeholder = m.modelType.Placeholder()
453
454 return nil
455}
456
457func getFilteredProviders(cfg *config.Config) ([]catwalk.Provider, error) {
458 providers, err := config.Providers(cfg)
459 if err != nil {
460 return nil, fmt.Errorf("failed to get providers: %w", err)
461 }
462 var filteredProviders []catwalk.Provider
463 for _, p := range providers {
464 var (
465 isAzure = p.ID == catwalk.InferenceProviderAzure
466 isCopilot = p.ID == catwalk.InferenceProviderCopilot
467 isHyper = string(p.ID) == "hyper"
468 hasAPIKeyEnv = strings.HasPrefix(p.APIKey, "$")
469 _, isConfigured = cfg.Providers.Get(string(p.ID))
470 )
471 if isAzure || isCopilot || isHyper || hasAPIKeyEnv || isConfigured {
472 filteredProviders = append(filteredProviders, p)
473 }
474 }
475 return filteredProviders, nil
476}
477
478func modelKey(providerID, modelID string) string {
479 if providerID == "" || modelID == "" {
480 return ""
481 }
482 return providerID + ":" + modelID
483}