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 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for LSP server initialization,default=30,example=60,example=120"`
198}
199
200type TUIOptions struct {
201 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
202 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
203 // Here we can add themes later or any TUI related options
204 //
205
206 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
207 Transparent *bool `json:"transparent,omitempty" jsonschema:"description=Enable transparent background for the TUI interface,default=false"`
208}
209
210// Completions defines options for the completions UI.
211type Completions struct {
212 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
213 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
214}
215
216func (c Completions) Limits() (depth, items int) {
217 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
218}
219
220type Permissions struct {
221 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
222 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
223}
224
225type TrailerStyle string
226
227const (
228 TrailerStyleNone TrailerStyle = "none"
229 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
230 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
231)
232
233type Attribution struct {
234 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"`
235 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
236 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
237}
238
239// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
240func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
241 if schema.Properties != nil {
242 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
243 prop.Deprecated = true
244 }
245 }
246}
247
248type Options struct {
249 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
250 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"`
251 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"`
252 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
253 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
254 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
255 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
256 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
257 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of built-in tools to disable and hide from the agent,example=bash,example=sourcegraph"`
258 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
259 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"`
260 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
261 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
262 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"`
263 AutoLSP *bool `json:"auto_lsp,omitempty" jsonschema:"description=Automatically setup LSPs based on root markers,default=true"`
264 Progress *bool `json:"progress,omitempty" jsonschema:"description=Show indeterminate progress updates during long operations,default=true"`
265 DisableNotifications bool `json:"disable_notifications,omitempty" jsonschema:"description=Disable desktop notifications,default=false"`
266}
267
268type MCPs map[string]MCPConfig
269
270type MCP struct {
271 Name string `json:"name"`
272 MCP MCPConfig `json:"mcp"`
273}
274
275func (m MCPs) Sorted() []MCP {
276 sorted := make([]MCP, 0, len(m))
277 for k, v := range m {
278 sorted = append(sorted, MCP{
279 Name: k,
280 MCP: v,
281 })
282 }
283 slices.SortFunc(sorted, func(a, b MCP) int {
284 return strings.Compare(a.Name, b.Name)
285 })
286 return sorted
287}
288
289type LSPs map[string]LSPConfig
290
291type LSP struct {
292 Name string `json:"name"`
293 LSP LSPConfig `json:"lsp"`
294}
295
296func (l LSPs) Sorted() []LSP {
297 sorted := make([]LSP, 0, len(l))
298 for k, v := range l {
299 sorted = append(sorted, LSP{
300 Name: k,
301 LSP: v,
302 })
303 }
304 slices.SortFunc(sorted, func(a, b LSP) int {
305 return strings.Compare(a.Name, b.Name)
306 })
307 return sorted
308}
309
310func (l LSPConfig) ResolvedEnv() []string {
311 return resolveEnvs(l.Env)
312}
313
314func (m MCPConfig) ResolvedEnv() []string {
315 return resolveEnvs(m.Env)
316}
317
318func (m MCPConfig) ResolvedHeaders() map[string]string {
319 resolver := NewShellVariableResolver(env.New())
320 for e, v := range m.Headers {
321 var err error
322 m.Headers[e], err = resolver.ResolveValue(v)
323 if err != nil {
324 slog.Error("Error resolving header variable", "error", err, "variable", e, "value", v)
325 continue
326 }
327 }
328 return m.Headers
329}
330
331type Agent struct {
332 ID string `json:"id,omitempty"`
333 Name string `json:"name,omitempty"`
334 Description string `json:"description,omitempty"`
335 // This is the id of the system prompt used by the agent
336 Disabled bool `json:"disabled,omitempty"`
337
338 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
339
340 // The available tools for the agent
341 // if this is nil, all tools are available
342 AllowedTools []string `json:"allowed_tools,omitempty"`
343
344 // this tells us which MCPs are available for this agent
345 // if this is empty all mcps are available
346 // the string array is the list of tools from the AllowedMCP the agent has available
347 // if the string array is nil, all tools from the AllowedMCP are available
348 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
349
350 // Overrides the context paths for this agent
351 ContextPaths []string `json:"context_paths,omitempty"`
352}
353
354type Tools struct {
355 Ls ToolLs `json:"ls,omitzero"`
356 Grep ToolGrep `json:"grep,omitzero"`
357}
358
359type ToolLs struct {
360 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
361 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
362}
363
364// Limits returns the user-defined max-depth and max-items, or their defaults.
365func (t ToolLs) Limits() (depth, items int) {
366 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
367}
368
369type ToolGrep struct {
370 Timeout *time.Duration `json:"timeout,omitempty" jsonschema:"description=Timeout for the grep tool call,default=5s,example=10s"`
371}
372
373// GetTimeout returns the user-defined timeout or the default.
374func (t ToolGrep) GetTimeout() time.Duration {
375 return ptrValOr(t.Timeout, 5*time.Second)
376}
377
378// Config holds the configuration for crush.
379type Config struct {
380 Schema string `json:"$schema,omitempty"`
381
382 // We currently only support large/small as values here.
383 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
384
385 // Recently used models stored in the data directory config.
386 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"-"`
387
388 // The providers that are configured
389 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
390
391 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
392
393 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
394
395 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
396
397 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
398
399 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
400
401 Agents map[string]Agent `json:"-"`
402
403 // Internal
404 workingDir string `json:"-"`
405 // TODO: find a better way to do this this should probably not be part of the config
406 resolver VariableResolver
407 dataConfigDir string `json:"-"`
408 knownProviders []catwalk.Provider `json:"-"`
409}
410
411func (c *Config) WorkingDir() string {
412 return c.workingDir
413}
414
415func (c *Config) EnabledProviders() []ProviderConfig {
416 var enabled []ProviderConfig
417 for p := range c.Providers.Seq() {
418 if !p.Disable {
419 enabled = append(enabled, p)
420 }
421 }
422 return enabled
423}
424
425// IsConfigured return true if at least one provider is configured
426func (c *Config) IsConfigured() bool {
427 return len(c.EnabledProviders()) > 0
428}
429
430func (c *Config) GetModel(provider, model string) *catwalk.Model {
431 if providerConfig, ok := c.Providers.Get(provider); ok {
432 for _, m := range providerConfig.Models {
433 if m.ID == model {
434 return &m
435 }
436 }
437 }
438 return nil
439}
440
441func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
442 model, ok := c.Models[modelType]
443 if !ok {
444 return nil
445 }
446 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
447 return &providerConfig
448 }
449 return nil
450}
451
452func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
453 model, ok := c.Models[modelType]
454 if !ok {
455 return nil
456 }
457 return c.GetModel(model.Provider, model.Model)
458}
459
460func (c *Config) LargeModel() *catwalk.Model {
461 model, ok := c.Models[SelectedModelTypeLarge]
462 if !ok {
463 return nil
464 }
465 return c.GetModel(model.Provider, model.Model)
466}
467
468func (c *Config) SmallModel() *catwalk.Model {
469 model, ok := c.Models[SelectedModelTypeSmall]
470 if !ok {
471 return nil
472 }
473 return c.GetModel(model.Provider, model.Model)
474}
475
476func (c *Config) SetCompactMode(enabled bool) error {
477 if c.Options == nil {
478 c.Options = &Options{}
479 }
480 c.Options.TUI.CompactMode = enabled
481 return c.SetConfigField("options.tui.compact_mode", enabled)
482}
483
484func (c *Config) Resolve(key string) (string, error) {
485 if c.resolver == nil {
486 return "", fmt.Errorf("no variable resolver configured")
487 }
488 return c.resolver.ResolveValue(key)
489}
490
491func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
492 c.Models[modelType] = model
493 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
494 return fmt.Errorf("failed to update preferred model: %w", err)
495 }
496 if err := c.recordRecentModel(modelType, model); err != nil {
497 return err
498 }
499 return nil
500}
501
502func (c *Config) HasConfigField(key string) bool {
503 data, err := os.ReadFile(c.dataConfigDir)
504 if err != nil {
505 return false
506 }
507 return gjson.Get(string(data), key).Exists()
508}
509
510func (c *Config) SetConfigField(key string, value any) error {
511 data, err := os.ReadFile(c.dataConfigDir)
512 if err != nil {
513 if os.IsNotExist(err) {
514 data = []byte("{}")
515 } else {
516 return fmt.Errorf("failed to read config file: %w", err)
517 }
518 }
519
520 newValue, err := sjson.Set(string(data), key, value)
521 if err != nil {
522 return fmt.Errorf("failed to set config field %s: %w", key, err)
523 }
524 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
525 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
526 }
527 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
528 return fmt.Errorf("failed to write config file: %w", err)
529 }
530 return nil
531}
532
533func (c *Config) RemoveConfigField(key string) error {
534 data, err := os.ReadFile(c.dataConfigDir)
535 if err != nil {
536 return fmt.Errorf("failed to read config file: %w", err)
537 }
538
539 newValue, err := sjson.Delete(string(data), key)
540 if err != nil {
541 return fmt.Errorf("failed to delete config field %s: %w", key, err)
542 }
543 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
544 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
545 }
546 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
547 return fmt.Errorf("failed to write config file: %w", err)
548 }
549 return nil
550}
551
552// RefreshOAuthToken refreshes the OAuth token for the given provider.
553func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
554 providerConfig, exists := c.Providers.Get(providerID)
555 if !exists {
556 return fmt.Errorf("provider %s not found", providerID)
557 }
558
559 if providerConfig.OAuthToken == nil {
560 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
561 }
562
563 var newToken *oauth.Token
564 var refreshErr error
565 switch providerID {
566 case string(catwalk.InferenceProviderCopilot):
567 newToken, refreshErr = copilot.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
568 case hyperp.Name:
569 newToken, refreshErr = hyper.ExchangeToken(ctx, providerConfig.OAuthToken.RefreshToken)
570 default:
571 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
572 }
573 if refreshErr != nil {
574 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, refreshErr)
575 }
576
577 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
578 providerConfig.OAuthToken = newToken
579 providerConfig.APIKey = newToken.AccessToken
580
581 switch providerID {
582 case string(catwalk.InferenceProviderCopilot):
583 providerConfig.SetupGitHubCopilot()
584 }
585
586 c.Providers.Set(providerID, providerConfig)
587
588 if err := cmp.Or(
589 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
590 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
591 ); err != nil {
592 return fmt.Errorf("failed to persist refreshed token: %w", err)
593 }
594
595 return nil
596}
597
598func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
599 var providerConfig ProviderConfig
600 var exists bool
601 var setKeyOrToken func()
602
603 switch v := apiKey.(type) {
604 case string:
605 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
606 return fmt.Errorf("failed to save api key to config file: %w", err)
607 }
608 setKeyOrToken = func() { providerConfig.APIKey = v }
609 case *oauth.Token:
610 if err := cmp.Or(
611 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
612 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
613 ); err != nil {
614 return err
615 }
616 setKeyOrToken = func() {
617 providerConfig.APIKey = v.AccessToken
618 providerConfig.OAuthToken = v
619 switch providerID {
620 case string(catwalk.InferenceProviderCopilot):
621 providerConfig.SetupGitHubCopilot()
622 }
623 }
624 }
625
626 providerConfig, exists = c.Providers.Get(providerID)
627 if exists {
628 setKeyOrToken()
629 c.Providers.Set(providerID, providerConfig)
630 return nil
631 }
632
633 var foundProvider *catwalk.Provider
634 for _, p := range c.knownProviders {
635 if string(p.ID) == providerID {
636 foundProvider = &p
637 break
638 }
639 }
640
641 if foundProvider != nil {
642 // Create new provider config based on known provider
643 providerConfig = ProviderConfig{
644 ID: providerID,
645 Name: foundProvider.Name,
646 BaseURL: foundProvider.APIEndpoint,
647 Type: foundProvider.Type,
648 Disable: false,
649 ExtraHeaders: make(map[string]string),
650 ExtraParams: make(map[string]string),
651 Models: foundProvider.Models,
652 }
653 setKeyOrToken()
654 } else {
655 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
656 }
657 // Store the updated provider config
658 c.Providers.Set(providerID, providerConfig)
659 return nil
660}
661
662const maxRecentModelsPerType = 5
663
664func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
665 if model.Provider == "" || model.Model == "" {
666 return nil
667 }
668
669 if c.RecentModels == nil {
670 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
671 }
672
673 eq := func(a, b SelectedModel) bool {
674 return a.Provider == b.Provider && a.Model == b.Model
675 }
676
677 entry := SelectedModel{
678 Provider: model.Provider,
679 Model: model.Model,
680 }
681
682 current := c.RecentModels[modelType]
683 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
684 return eq(existing, entry)
685 })
686
687 updated := append([]SelectedModel{entry}, withoutCurrent...)
688 if len(updated) > maxRecentModelsPerType {
689 updated = updated[:maxRecentModelsPerType]
690 }
691
692 if slices.EqualFunc(current, updated, eq) {
693 return nil
694 }
695
696 c.RecentModels[modelType] = updated
697
698 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
699 return fmt.Errorf("failed to persist recent models: %w", err)
700 }
701
702 return nil
703}
704
705func allToolNames() []string {
706 return []string{
707 "agent",
708 "bash",
709 "job_output",
710 "job_kill",
711 "download",
712 "edit",
713 "multiedit",
714 "lsp_diagnostics",
715 "lsp_references",
716 "lsp_restart",
717 "fetch",
718 "agentic_fetch",
719 "glob",
720 "grep",
721 "ls",
722 "sourcegraph",
723 "todos",
724 "view",
725 "write",
726 "list_mcp_resources",
727 "read_mcp_resource",
728 }
729}
730
731func resolveAllowedTools(allTools []string, disabledTools []string) []string {
732 if disabledTools == nil {
733 return allTools
734 }
735 // filter out disabled tools (exclude mode)
736 return filterSlice(allTools, disabledTools, false)
737}
738
739func resolveReadOnlyTools(tools []string) []string {
740 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
741 // filter to only include tools that are in allowedtools (include mode)
742 return filterSlice(tools, readOnlyTools, true)
743}
744
745func filterSlice(data []string, mask []string, include bool) []string {
746 var filtered []string
747 for _, s := range data {
748 // if include is true, we include items that ARE in the mask
749 // if include is false, we include items that are NOT in the mask
750 if include == slices.Contains(mask, s) {
751 filtered = append(filtered, s)
752 }
753 }
754 return filtered
755}
756
757func (c *Config) SetupAgents() {
758 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
759
760 agents := map[string]Agent{
761 AgentCoder: {
762 ID: AgentCoder,
763 Name: "Coder",
764 Description: "An agent that helps with executing coding tasks.",
765 Model: SelectedModelTypeLarge,
766 ContextPaths: c.Options.ContextPaths,
767 AllowedTools: allowedTools,
768 },
769
770 AgentTask: {
771 ID: AgentTask,
772 Name: "Task",
773 Description: "An agent that helps with searching for context and finding implementation details.",
774 Model: SelectedModelTypeLarge,
775 ContextPaths: c.Options.ContextPaths,
776 AllowedTools: resolveReadOnlyTools(allowedTools),
777 // NO MCPs or LSPs by default
778 AllowedMCP: map[string][]string{},
779 },
780 }
781 c.Agents = agents
782}
783
784func (c *Config) Resolver() VariableResolver {
785 return c.resolver
786}
787
788func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
789 var (
790 providerID = catwalk.InferenceProvider(c.ID)
791 testURL = ""
792 headers = make(map[string]string)
793 apiKey, _ = resolver.ResolveValue(c.APIKey)
794 )
795
796 switch providerID {
797 case catwalk.InferenceProviderMiniMax, catwalk.InferenceProviderMiniMaxChina:
798 // NOTE: MiniMax has no good endpoint we can use to validate the API key.
799 // Let's at least check the pattern.
800 if !strings.HasPrefix(apiKey, "sk-") {
801 return fmt.Errorf("invalid API key format for provider %s", c.ID)
802 }
803 return nil
804 }
805
806 switch c.Type {
807 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
808 baseURL, _ := resolver.ResolveValue(c.BaseURL)
809 baseURL = cmp.Or(baseURL, "https://api.openai.com/v1")
810
811 switch providerID {
812 case catwalk.InferenceProviderOpenRouter:
813 testURL = baseURL + "/credits"
814 default:
815 testURL = baseURL + "/models"
816 }
817
818 headers["Authorization"] = "Bearer " + apiKey
819 case catwalk.TypeAnthropic:
820 baseURL, _ := resolver.ResolveValue(c.BaseURL)
821 baseURL = cmp.Or(baseURL, "https://api.anthropic.com/v1")
822
823 switch providerID {
824 case catwalk.InferenceKimiCoding:
825 testURL = baseURL + "/v1/models"
826 default:
827 testURL = baseURL + "/models"
828 }
829
830 headers["x-api-key"] = apiKey
831 headers["anthropic-version"] = "2023-06-01"
832 case catwalk.TypeGoogle:
833 baseURL, _ := resolver.ResolveValue(c.BaseURL)
834 baseURL = cmp.Or(baseURL, "https://generativelanguage.googleapis.com")
835 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
836 }
837
838 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
839 defer cancel()
840
841 client := &http.Client{}
842 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
843 if err != nil {
844 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
845 }
846 for k, v := range headers {
847 req.Header.Set(k, v)
848 }
849 for k, v := range c.ExtraHeaders {
850 req.Header.Set(k, v)
851 }
852
853 resp, err := client.Do(req)
854 if err != nil {
855 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
856 }
857 defer resp.Body.Close()
858
859 switch providerID {
860 case catwalk.InferenceProviderZAI:
861 if resp.StatusCode == http.StatusUnauthorized {
862 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, resp.Status)
863 }
864 default:
865 if resp.StatusCode != http.StatusOK {
866 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, resp.Status)
867 }
868 }
869 return nil
870}
871
872func resolveEnvs(envs map[string]string) []string {
873 resolver := NewShellVariableResolver(env.New())
874 for e, v := range envs {
875 var err error
876 envs[e], err = resolver.ResolveValue(v)
877 if err != nil {
878 slog.Error("Error resolving environment variable", "error", err, "variable", e, "value", v)
879 continue
880 }
881 }
882
883 res := make([]string, 0, len(envs))
884 for k, v := range envs {
885 res = append(res, fmt.Sprintf("%s=%s", k, v))
886 }
887 return res
888}
889
890func ptrValOr[T any](t *T, el T) T {
891 if t == nil {
892 return el
893 }
894 return *t
895}