1package config
2
3import (
4 "cmp"
5 "context"
6 "fmt"
7 "log/slog"
8 "maps"
9 "net/http"
10 "net/url"
11 "os"
12 "path/filepath"
13 "slices"
14 "strings"
15 "time"
16
17 "charm.land/catwalk/pkg/catwalk"
18 hyperp "git.secluded.site/crush/internal/agent/hyper"
19 "git.secluded.site/crush/internal/csync"
20 "git.secluded.site/crush/internal/env"
21 "git.secluded.site/crush/internal/oauth"
22 "git.secluded.site/crush/internal/oauth/copilot"
23 "git.secluded.site/crush/internal/oauth/hyper"
24 "github.com/invopop/jsonschema"
25 "github.com/tidwall/gjson"
26 "github.com/tidwall/sjson"
27)
28
29const (
30 appName = "crush"
31 defaultDataDirectory = ".crush"
32 defaultInitializeAs = "AGENTS.md"
33)
34
35var defaultContextPaths = []string{
36 ".github/copilot-instructions.md",
37 ".cursorrules",
38 ".cursor/rules/",
39 "CLAUDE.md",
40 "CLAUDE.local.md",
41 "GEMINI.md",
42 "gemini.md",
43 "crush.md",
44 "crush.local.md",
45 "Crush.md",
46 "Crush.local.md",
47 "CRUSH.md",
48 "CRUSH.local.md",
49 "AGENTS.md",
50 "agents.md",
51 "Agents.md",
52}
53
54type SelectedModelType string
55
56// String returns the string representation of the [SelectedModelType].
57func (s SelectedModelType) String() string {
58 return string(s)
59}
60
61const (
62 SelectedModelTypeLarge SelectedModelType = "large"
63 SelectedModelTypeSmall SelectedModelType = "small"
64)
65
66const (
67 AgentCoder string = "coder"
68 AgentTask string = "task"
69)
70
71type SelectedModel struct {
72 // The model id as used by the provider API.
73 // Required.
74 Model string `json:"model" jsonschema:"required,description=The model ID as used by the provider API,example=gpt-4o"`
75 // The model provider, same as the key/id used in the providers config.
76 // Required.
77 Provider string `json:"provider" jsonschema:"required,description=The model provider ID that matches a key in the providers config,example=openai"`
78
79 // Only used by models that use the openai provider and need this set.
80 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"description=Reasoning effort level for OpenAI models that support it,enum=low,enum=medium,enum=high"`
81
82 // Used by anthropic models that can reason to indicate if the model should think.
83 Think bool `json:"think,omitempty" jsonschema:"description=Enable thinking mode for Anthropic models that support reasoning"`
84
85 // Overrides the default model configuration.
86 MaxTokens int64 `json:"max_tokens,omitempty" jsonschema:"description=Maximum number of tokens for model responses,maximum=200000,example=4096"`
87 Temperature *float64 `json:"temperature,omitempty" jsonschema:"description=Sampling temperature,minimum=0,maximum=1,example=0.7"`
88 TopP *float64 `json:"top_p,omitempty" jsonschema:"description=Top-p (nucleus) sampling parameter,minimum=0,maximum=1,example=0.9"`
89 TopK *int64 `json:"top_k,omitempty" jsonschema:"description=Top-k sampling parameter"`
90 FrequencyPenalty *float64 `json:"frequency_penalty,omitempty" jsonschema:"description=Frequency penalty to reduce repetition"`
91 PresencePenalty *float64 `json:"presence_penalty,omitempty" jsonschema:"description=Presence penalty to increase topic diversity"`
92
93 // Override provider specific options.
94 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for the model"`
95}
96
97type ProviderConfig struct {
98 // The provider's id.
99 ID string `json:"id,omitempty" jsonschema:"description=Unique identifier for the provider,example=openai"`
100 // The provider's name, used for display purposes.
101 Name string `json:"name,omitempty" jsonschema:"description=Human-readable name for the provider,example=OpenAI"`
102 // The provider's API endpoint.
103 BaseURL string `json:"base_url,omitempty" jsonschema:"description=Base URL for the provider's API,format=uri,example=https://api.openai.com/v1"`
104 // The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
105 Type catwalk.Type `json:"type,omitempty" jsonschema:"description=Provider type that determines the API format,enum=openai,enum=openai-compat,enum=anthropic,enum=gemini,enum=azure,enum=vertexai,default=openai"`
106 // The provider's API key.
107 APIKey string `json:"api_key,omitempty" jsonschema:"description=API key for authentication with the provider,example=$OPENAI_API_KEY"`
108 // The original API key template before resolution (for re-resolution on auth errors).
109 APIKeyTemplate string `json:"-"`
110 // OAuthToken for providers that use OAuth2 authentication.
111 OAuthToken *oauth.Token `json:"oauth,omitempty" jsonschema:"description=OAuth2 token for authentication with the provider"`
112 // Marks the provider as disabled.
113 Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
114
115 // Custom system prompt prefix.
116 SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
117
118 // Extra headers to send with each request to the provider.
119 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
120 // Extra body
121 ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
122
123 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
124
125 // Used to pass extra parameters to the provider.
126 ExtraParams map[string]string `json:"-"`
127
128 // The provider models
129 Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
130}
131
132// ToProvider converts the [ProviderConfig] to a [catwalk.Provider].
133func (pc *ProviderConfig) ToProvider() catwalk.Provider {
134 // Convert config provider to provider.Provider format
135 provider := catwalk.Provider{
136 Name: pc.Name,
137 ID: catwalk.InferenceProvider(pc.ID),
138 Models: make([]catwalk.Model, len(pc.Models)),
139 }
140
141 // Convert models
142 for i, model := range pc.Models {
143 provider.Models[i] = catwalk.Model{
144 ID: model.ID,
145 Name: model.Name,
146 CostPer1MIn: model.CostPer1MIn,
147 CostPer1MOut: model.CostPer1MOut,
148 CostPer1MInCached: model.CostPer1MInCached,
149 CostPer1MOutCached: model.CostPer1MOutCached,
150 ContextWindow: model.ContextWindow,
151 DefaultMaxTokens: model.DefaultMaxTokens,
152 CanReason: model.CanReason,
153 ReasoningLevels: model.ReasoningLevels,
154 DefaultReasoningEffort: model.DefaultReasoningEffort,
155 SupportsImages: model.SupportsImages,
156 }
157 }
158
159 return provider
160}
161
162func (pc *ProviderConfig) SetupGitHubCopilot() {
163 maps.Copy(pc.ExtraHeaders, copilot.Headers())
164}
165
166type MCPType string
167
168const (
169 MCPStdio MCPType = "stdio"
170 MCPSSE MCPType = "sse"
171 MCPHttp MCPType = "http"
172)
173
174type MCPConfig struct {
175 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
176 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
177 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
178 Type MCPType `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
179 URL string `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
180 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
181 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of tools from this MCP server to disable,example=get-library-doc"`
182 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
183
184 // TODO: maybe make it possible to get the value from the env
185 Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
186}
187
188type LSPConfig struct {
189 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
190 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for the LSP server,example=gopls"`
191 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
192 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
193 FileTypes []string `json:"filetypes,omitempty" jsonschema:"description=File types this LSP server handles,example=go,example=mod,example=rs,example=c,example=js,example=ts"`
194 RootMarkers []string `json:"root_markers,omitempty" jsonschema:"description=Files or directories that indicate the project root,example=go.mod,example=package.json,example=Cargo.toml"`
195 InitOptions map[string]any `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
196 Options map[string]any `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
197}
198
199type TUIOptions struct {
200 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
201 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
202 // Here we can add themes later or any TUI related options
203 //
204
205 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
206}
207
208// Completions defines options for the completions UI.
209type Completions struct {
210 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
211 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
212}
213
214func (c Completions) Limits() (depth, items int) {
215 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
216}
217
218type Permissions struct {
219 AllowedTools []string `json:"allowed_tools,omitempty" jsonschema:"description=List of tools that don't require permission prompts,example=bash,example=view"` // Tools that don't require permission prompts
220 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
221}
222
223type TrailerStyle string
224
225const (
226 TrailerStyleNone TrailerStyle = "none"
227 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
228 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
229)
230
231type Attribution struct {
232 TrailerStyle TrailerStyle `json:"trailer_style,omitempty" jsonschema:"description=Style of attribution trailer to add to commits,enum=none,enum=co-authored-by,enum=assisted-by,default=assisted-by"`
233 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
234 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
235}
236
237// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
238func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
239 if schema.Properties != nil {
240 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
241 prop.Deprecated = true
242 }
243 }
244}
245
246type Options struct {
247 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
248 MemoryPaths []string `json:"memory_paths,omitempty" jsonschema:"description=Paths to files containing memory information for the AI,default=~/.config/crush/CRUSH.md,default=~/.config/AGENTS.md"`
249 SkillsPaths []string `json:"skills_paths,omitempty" jsonschema:"description=Paths to directories containing Agent Skills (folders with SKILL.md files),example=~/.config/crush/skills,example=./skills"`
250 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
251 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
252 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
253 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
254 DataDirectory string `json:"data_directory,omitempty" jsonschema:"description=Directory for storing application data (relative to working directory),default=.crush,example=.crush"` // Relative to the cwd
255 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of built-in tools to disable and hide from the agent,example=bash,example=sourcegraph"`
256 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
257 DisableDefaultProviders bool `json:"disable_default_providers,omitempty" jsonschema:"description=Ignore all default/embedded providers. When enabled, providers must be fully specified in the config file with base_url, models, and api_key - no merging with defaults occurs,default=false"`
258 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
259 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
260 InitializeAs string `json:"initialize_as,omitempty" jsonschema:"description=Name of the context file to create/update during project initialization,default=AGENTS.md,example=AGENTS.md,example=CRUSH.md,example=CLAUDE.md,example=docs/LLMs.md"`
261 AutoLSP *bool `json:"auto_lsp,omitempty" jsonschema:"description=Automatically setup LSPs based on root markers,default=true"`
262 Progress *bool `json:"progress,omitempty" jsonschema:"description=Show indeterminate progress updates during long operations,default=true"`
263 DisableNotifications bool `json:"disable_notifications,omitempty" jsonschema:"description=Disable desktop notifications,default=false"`
264}
265
266type MCPs map[string]MCPConfig
267
268type MCP struct {
269 Name string `json:"name"`
270 MCP MCPConfig `json:"mcp"`
271}
272
273func (m MCPs) Sorted() []MCP {
274 sorted := make([]MCP, 0, len(m))
275 for k, v := range m {
276 sorted = append(sorted, MCP{
277 Name: k,
278 MCP: v,
279 })
280 }
281 slices.SortFunc(sorted, func(a, b MCP) int {
282 return strings.Compare(a.Name, b.Name)
283 })
284 return sorted
285}
286
287type LSPs map[string]LSPConfig
288
289type LSP struct {
290 Name string `json:"name"`
291 LSP LSPConfig `json:"lsp"`
292}
293
294func (l LSPs) Sorted() []LSP {
295 sorted := make([]LSP, 0, len(l))
296 for k, v := range l {
297 sorted = append(sorted, LSP{
298 Name: k,
299 LSP: v,
300 })
301 }
302 slices.SortFunc(sorted, func(a, b LSP) int {
303 return strings.Compare(a.Name, b.Name)
304 })
305 return sorted
306}
307
308func (l LSPConfig) ResolvedEnv() []string {
309 return resolveEnvs(l.Env)
310}
311
312func (m MCPConfig) ResolvedEnv() []string {
313 return resolveEnvs(m.Env)
314}
315
316func (m MCPConfig) ResolvedHeaders() map[string]string {
317 resolver := NewShellVariableResolver(env.New())
318 for e, v := range m.Headers {
319 var err error
320 m.Headers[e], err = resolver.ResolveValue(v)
321 if err != nil {
322 slog.Error("Error resolving header variable", "error", err, "variable", e, "value", v)
323 continue
324 }
325 }
326 return m.Headers
327}
328
329type Agent struct {
330 ID string `json:"id,omitempty"`
331 Name string `json:"name,omitempty"`
332 Description string `json:"description,omitempty"`
333 // This is the id of the system prompt used by the agent
334 Disabled bool `json:"disabled,omitempty"`
335
336 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
337
338 // The available tools for the agent
339 // if this is nil, all tools are available
340 AllowedTools []string `json:"allowed_tools,omitempty"`
341
342 // this tells us which MCPs are available for this agent
343 // if this is empty all mcps are available
344 // the string array is the list of tools from the AllowedMCP the agent has available
345 // if the string array is nil, all tools from the AllowedMCP are available
346 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
347
348 // Overrides the context paths for this agent
349 ContextPaths []string `json:"context_paths,omitempty"`
350}
351
352type Tools struct {
353 Ls ToolLs `json:"ls,omitempty"`
354}
355
356type ToolLs struct {
357 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
358 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
359}
360
361func (t ToolLs) Limits() (depth, items int) {
362 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
363}
364
365// Config holds the configuration for crush.
366type Config struct {
367 Schema string `json:"$schema,omitempty"`
368
369 // We currently only support large/small as values here.
370 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
371
372 // Recently used models stored in the data directory config.
373 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"-"`
374
375 // The providers that are configured
376 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
377
378 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
379
380 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
381
382 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
383
384 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
385
386 Tools Tools `json:"tools,omitempty" jsonschema:"description=Tool configurations"`
387
388 Agents map[string]Agent `json:"-"`
389
390 // Internal
391 workingDir string `json:"-"`
392 // TODO: find a better way to do this this should probably not be part of the config
393 resolver VariableResolver
394 dataConfigDir string `json:"-"`
395 knownProviders []catwalk.Provider `json:"-"`
396}
397
398func (c *Config) WorkingDir() string {
399 return c.workingDir
400}
401
402func (c *Config) EnabledProviders() []ProviderConfig {
403 var enabled []ProviderConfig
404 for p := range c.Providers.Seq() {
405 if !p.Disable {
406 enabled = append(enabled, p)
407 }
408 }
409 return enabled
410}
411
412// IsConfigured return true if at least one provider is configured
413func (c *Config) IsConfigured() bool {
414 return len(c.EnabledProviders()) > 0
415}
416
417func (c *Config) GetModel(provider, model string) *catwalk.Model {
418 if providerConfig, ok := c.Providers.Get(provider); ok {
419 for _, m := range providerConfig.Models {
420 if m.ID == model {
421 return &m
422 }
423 }
424 }
425 return nil
426}
427
428func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
429 model, ok := c.Models[modelType]
430 if !ok {
431 return nil
432 }
433 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
434 return &providerConfig
435 }
436 return nil
437}
438
439func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
440 model, ok := c.Models[modelType]
441 if !ok {
442 return nil
443 }
444 return c.GetModel(model.Provider, model.Model)
445}
446
447func (c *Config) LargeModel() *catwalk.Model {
448 model, ok := c.Models[SelectedModelTypeLarge]
449 if !ok {
450 return nil
451 }
452 return c.GetModel(model.Provider, model.Model)
453}
454
455func (c *Config) SmallModel() *catwalk.Model {
456 model, ok := c.Models[SelectedModelTypeSmall]
457 if !ok {
458 return nil
459 }
460 return c.GetModel(model.Provider, model.Model)
461}
462
463func (c *Config) SetCompactMode(enabled bool) error {
464 if c.Options == nil {
465 c.Options = &Options{}
466 }
467 c.Options.TUI.CompactMode = enabled
468 return c.SetConfigField("options.tui.compact_mode", enabled)
469}
470
471func (c *Config) Resolve(key string) (string, error) {
472 if c.resolver == nil {
473 return "", fmt.Errorf("no variable resolver configured")
474 }
475 return c.resolver.ResolveValue(key)
476}
477
478func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
479 c.Models[modelType] = model
480 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
481 return fmt.Errorf("failed to update preferred model: %w", err)
482 }
483 if err := c.recordRecentModel(modelType, model); err != nil {
484 return err
485 }
486 return nil
487}
488
489func (c *Config) HasConfigField(key string) bool {
490 data, err := os.ReadFile(c.dataConfigDir)
491 if err != nil {
492 return false
493 }
494 return gjson.Get(string(data), key).Exists()
495}
496
497func (c *Config) SetConfigField(key string, value any) error {
498 data, err := os.ReadFile(c.dataConfigDir)
499 if err != nil {
500 if os.IsNotExist(err) {
501 data = []byte("{}")
502 } else {
503 return fmt.Errorf("failed to read config file: %w", err)
504 }
505 }
506
507 newValue, err := sjson.Set(string(data), key, value)
508 if err != nil {
509 return fmt.Errorf("failed to set config field %s: %w", key, err)
510 }
511 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
512 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
513 }
514 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
515 return fmt.Errorf("failed to write config file: %w", err)
516 }
517 return nil
518}
519
520func (c *Config) RemoveConfigField(key string) error {
521 data, err := os.ReadFile(c.dataConfigDir)
522 if err != nil {
523 return fmt.Errorf("failed to read config file: %w", err)
524 }
525
526 newValue, err := sjson.Delete(string(data), key)
527 if err != nil {
528 return fmt.Errorf("failed to delete config field %s: %w", key, err)
529 }
530 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
531 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
532 }
533 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
534 return fmt.Errorf("failed to write config file: %w", err)
535 }
536 return nil
537}
538
539// RefreshOAuthToken refreshes the OAuth token for the given provider.
540func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
541 providerConfig, exists := c.Providers.Get(providerID)
542 if !exists {
543 return fmt.Errorf("provider %s not found", providerID)
544 }
545
546 if providerConfig.OAuthToken == nil {
547 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
548 }
549
550 var newToken *oauth.Token
551 var refreshErr error
552 switch providerID {
553 case string(catwalk.InferenceProviderCopilot):
554 newToken, refreshErr = copilot.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
555 case hyperp.Name:
556 newToken, refreshErr = hyper.ExchangeToken(ctx, providerConfig.OAuthToken.RefreshToken)
557 default:
558 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
559 }
560 if refreshErr != nil {
561 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, refreshErr)
562 }
563
564 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
565 providerConfig.OAuthToken = newToken
566 providerConfig.APIKey = newToken.AccessToken
567
568 switch providerID {
569 case string(catwalk.InferenceProviderCopilot):
570 providerConfig.SetupGitHubCopilot()
571 }
572
573 c.Providers.Set(providerID, providerConfig)
574
575 if err := cmp.Or(
576 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
577 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
578 ); err != nil {
579 return fmt.Errorf("failed to persist refreshed token: %w", err)
580 }
581
582 return nil
583}
584
585func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
586 var providerConfig ProviderConfig
587 var exists bool
588 var setKeyOrToken func()
589
590 switch v := apiKey.(type) {
591 case string:
592 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
593 return fmt.Errorf("failed to save api key to config file: %w", err)
594 }
595 setKeyOrToken = func() { providerConfig.APIKey = v }
596 case *oauth.Token:
597 if err := cmp.Or(
598 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
599 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
600 ); err != nil {
601 return err
602 }
603 setKeyOrToken = func() {
604 providerConfig.APIKey = v.AccessToken
605 providerConfig.OAuthToken = v
606 switch providerID {
607 case string(catwalk.InferenceProviderCopilot):
608 providerConfig.SetupGitHubCopilot()
609 }
610 }
611 }
612
613 providerConfig, exists = c.Providers.Get(providerID)
614 if exists {
615 setKeyOrToken()
616 c.Providers.Set(providerID, providerConfig)
617 return nil
618 }
619
620 var foundProvider *catwalk.Provider
621 for _, p := range c.knownProviders {
622 if string(p.ID) == providerID {
623 foundProvider = &p
624 break
625 }
626 }
627
628 if foundProvider != nil {
629 // Create new provider config based on known provider
630 providerConfig = ProviderConfig{
631 ID: providerID,
632 Name: foundProvider.Name,
633 BaseURL: foundProvider.APIEndpoint,
634 Type: foundProvider.Type,
635 Disable: false,
636 ExtraHeaders: make(map[string]string),
637 ExtraParams: make(map[string]string),
638 Models: foundProvider.Models,
639 }
640 setKeyOrToken()
641 } else {
642 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
643 }
644 // Store the updated provider config
645 c.Providers.Set(providerID, providerConfig)
646 return nil
647}
648
649const maxRecentModelsPerType = 5
650
651func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
652 if model.Provider == "" || model.Model == "" {
653 return nil
654 }
655
656 if c.RecentModels == nil {
657 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
658 }
659
660 eq := func(a, b SelectedModel) bool {
661 return a.Provider == b.Provider && a.Model == b.Model
662 }
663
664 entry := SelectedModel{
665 Provider: model.Provider,
666 Model: model.Model,
667 }
668
669 current := c.RecentModels[modelType]
670 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
671 return eq(existing, entry)
672 })
673
674 updated := append([]SelectedModel{entry}, withoutCurrent...)
675 if len(updated) > maxRecentModelsPerType {
676 updated = updated[:maxRecentModelsPerType]
677 }
678
679 if slices.EqualFunc(current, updated, eq) {
680 return nil
681 }
682
683 c.RecentModels[modelType] = updated
684
685 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
686 return fmt.Errorf("failed to persist recent models: %w", err)
687 }
688
689 return nil
690}
691
692func allToolNames() []string {
693 return []string{
694 "agent",
695 "bash",
696 "job_output",
697 "job_kill",
698 "download",
699 "edit",
700 "multiedit",
701 "lsp_diagnostics",
702 "lsp_references",
703 "lsp_restart",
704 "fetch",
705 "agentic_fetch",
706 "glob",
707 "grep",
708 "ls",
709 "sourcegraph",
710 "todos",
711 "view",
712 "write",
713 }
714}
715
716func resolveAllowedTools(allTools []string, disabledTools []string) []string {
717 if disabledTools == nil {
718 return allTools
719 }
720 // filter out disabled tools (exclude mode)
721 return filterSlice(allTools, disabledTools, false)
722}
723
724func resolveReadOnlyTools(tools []string) []string {
725 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
726 // filter to only include tools that are in allowedtools (include mode)
727 return filterSlice(tools, readOnlyTools, true)
728}
729
730func filterSlice(data []string, mask []string, include bool) []string {
731 filtered := []string{}
732 for _, s := range data {
733 // if include is true, we include items that ARE in the mask
734 // if include is false, we include items that are NOT in the mask
735 if include == slices.Contains(mask, s) {
736 filtered = append(filtered, s)
737 }
738 }
739 return filtered
740}
741
742func (c *Config) SetupAgents() {
743 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
744
745 agents := map[string]Agent{
746 AgentCoder: {
747 ID: AgentCoder,
748 Name: "Coder",
749 Description: "An agent that helps with executing coding tasks.",
750 Model: SelectedModelTypeLarge,
751 ContextPaths: c.Options.ContextPaths,
752 AllowedTools: allowedTools,
753 },
754
755 AgentTask: {
756 ID: AgentCoder,
757 Name: "Task",
758 Description: "An agent that helps with searching for context and finding implementation details.",
759 Model: SelectedModelTypeLarge,
760 ContextPaths: c.Options.ContextPaths,
761 AllowedTools: resolveReadOnlyTools(allowedTools),
762 // NO MCPs or LSPs by default
763 AllowedMCP: map[string][]string{},
764 },
765 }
766 c.Agents = agents
767}
768
769func (c *Config) Resolver() VariableResolver {
770 return c.resolver
771}
772
773func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
774 testURL := ""
775 headers := make(map[string]string)
776 apiKey, _ := resolver.ResolveValue(c.APIKey)
777 switch c.Type {
778 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
779 baseURL, _ := resolver.ResolveValue(c.BaseURL)
780 if baseURL == "" {
781 baseURL = "https://api.openai.com/v1"
782 }
783 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
784 testURL = baseURL + "/credits"
785 } else {
786 testURL = baseURL + "/models"
787 }
788 headers["Authorization"] = "Bearer " + apiKey
789 case catwalk.TypeAnthropic:
790 baseURL, _ := resolver.ResolveValue(c.BaseURL)
791 if baseURL == "" {
792 baseURL = "https://api.anthropic.com/v1"
793 }
794 testURL = baseURL + "/models"
795 // TODO: replace with const when catwalk is released
796 if c.ID == "kimi-coding" {
797 testURL = baseURL + "/v1/models"
798 }
799 headers["x-api-key"] = apiKey
800 headers["anthropic-version"] = "2023-06-01"
801 case catwalk.TypeGoogle:
802 baseURL, _ := resolver.ResolveValue(c.BaseURL)
803 if baseURL == "" {
804 baseURL = "https://generativelanguage.googleapis.com"
805 }
806 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
807 }
808 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
809 defer cancel()
810 client := &http.Client{}
811 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
812 if err != nil {
813 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
814 }
815 for k, v := range headers {
816 req.Header.Set(k, v)
817 }
818 for k, v := range c.ExtraHeaders {
819 req.Header.Set(k, v)
820 }
821 resp, err := client.Do(req)
822 if err != nil {
823 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
824 }
825 defer resp.Body.Close()
826 if c.ID == string(catwalk.InferenceProviderZAI) {
827 if resp.StatusCode == http.StatusUnauthorized {
828 // For z.ai just check if the http response is not 401.
829 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, resp.Status)
830 }
831 } else {
832 if resp.StatusCode != http.StatusOK {
833 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, resp.Status)
834 }
835 }
836 return nil
837}
838
839func resolveEnvs(envs map[string]string) []string {
840 resolver := NewShellVariableResolver(env.New())
841 for e, v := range envs {
842 var err error
843 envs[e], err = resolver.ResolveValue(v)
844 if err != nil {
845 slog.Error("Error resolving environment variable", "error", err, "variable", e, "value", v)
846 continue
847 }
848 }
849
850 res := make([]string, 0, len(envs))
851 for k, v := range envs {
852 res = append(res, fmt.Sprintf("%s=%s", k, v))
853 }
854 return res
855}
856
857func ptrValOr[T any](t *T, el T) T {
858 if t == nil {
859 return el
860 }
861 return *t
862}