1package config
2
3import (
4 "fmt"
5 "slices"
6 "strings"
7
8 "github.com/charmbracelet/crush/internal/fur/provider"
9)
10
11const (
12 appName = "crush"
13 defaultDataDirectory = ".crush"
14 defaultLogLevel = "info"
15)
16
17var defaultContextPaths = []string{
18 ".github/copilot-instructions.md",
19 ".cursorrules",
20 ".cursor/rules/",
21 "CLAUDE.md",
22 "CLAUDE.local.md",
23 "GEMINI.md",
24 "gemini.md",
25 "crush.md",
26 "crush.local.md",
27 "Crush.md",
28 "Crush.local.md",
29 "CRUSH.md",
30 "CRUSH.local.md",
31}
32
33type SelectedModelType string
34
35const (
36 SelectedModelTypeLarge SelectedModelType = "large"
37 SelectedModelTypeSmall SelectedModelType = "small"
38)
39
40type SelectedModel struct {
41 // The model id as used by the provider API.
42 // Required.
43 Model string `json:"model"`
44 // The model provider, same as the key/id used in the providers config.
45 // Required.
46 Provider string `json:"provider"`
47
48 // Only used by models that use the openai provider and need this set.
49 ReasoningEffort string `json:"reasoning_effort,omitempty"`
50
51 // Overrides the default model configuration.
52 MaxTokens int64 `json:"max_tokens,omitempty"`
53
54 // Used by anthropic models that can reason to indicate if the model should think.
55 Think bool `json:"think,omitempty"`
56}
57
58type ProviderConfig struct {
59 // The provider's id.
60 ID string `json:"id,omitempty"`
61 // The provider's API endpoint.
62 BaseURL string `json:"base_url,omitempty"`
63 // The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
64 Type provider.Type `json:"type,omitempty"`
65 // The provider's API key.
66 APIKey string `json:"api_key,omitempty"`
67 // Marks the provider as disabled.
68 Disable bool `json:"disable,omitempty"`
69
70 // Extra headers to send with each request to the provider.
71 ExtraHeaders map[string]string
72
73 // Used to pass extra parameters to the provider.
74 ExtraParams map[string]string `json:"-"`
75
76 // The provider models
77 Models []provider.Model `json:"models,omitempty"`
78}
79
80type MCPType string
81
82const (
83 MCPStdio MCPType = "stdio"
84 MCPSse MCPType = "sse"
85 MCPHttp MCPType = "http"
86)
87
88type MCPConfig struct {
89 Command string `json:"command,omitempty" `
90 Env []string `json:"env,omitempty"`
91 Args []string `json:"args,omitempty"`
92 Type MCPType `json:"type"`
93 URL string `json:"url,omitempty"`
94
95 // TODO: maybe make it possible to get the value from the env
96 Headers map[string]string `json:"headers,omitempty"`
97}
98
99type LSPConfig struct {
100 Disabled bool `json:"enabled,omitempty"`
101 Command string `json:"command"`
102 Args []string `json:"args,omitempty"`
103 Options any `json:"options,omitempty"`
104}
105
106type TUIOptions struct {
107 CompactMode bool `json:"compact_mode,omitempty"`
108 // Here we can add themes later or any TUI related options
109}
110
111type Options struct {
112 ContextPaths []string `json:"context_paths,omitempty"`
113 TUI *TUIOptions `json:"tui,omitempty"`
114 Debug bool `json:"debug,omitempty"`
115 DebugLSP bool `json:"debug_lsp,omitempty"`
116 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty"`
117 // Relative to the cwd
118 DataDirectory string `json:"data_directory,omitempty"`
119}
120
121type MCPs map[string]MCPConfig
122
123type MCP struct {
124 Name string `json:"name"`
125 MCP MCPConfig `json:"mcp"`
126}
127
128func (m MCPs) Sorted() []MCP {
129 sorted := make([]MCP, 0, len(m))
130 for k, v := range m {
131 sorted = append(sorted, MCP{
132 Name: k,
133 MCP: v,
134 })
135 }
136 slices.SortFunc(sorted, func(a, b MCP) int {
137 return strings.Compare(a.Name, b.Name)
138 })
139 return sorted
140}
141
142type LSPs map[string]LSPConfig
143
144type LSP struct {
145 Name string `json:"name"`
146 LSP LSPConfig `json:"lsp"`
147}
148
149func (l LSPs) Sorted() []LSP {
150 sorted := make([]LSP, 0, len(l))
151 for k, v := range l {
152 sorted = append(sorted, LSP{
153 Name: k,
154 LSP: v,
155 })
156 }
157 slices.SortFunc(sorted, func(a, b LSP) int {
158 return strings.Compare(a.Name, b.Name)
159 })
160 return sorted
161}
162
163type Agent struct {
164 ID string `json:"id,omitempty"`
165 Name string `json:"name,omitempty"`
166 Description string `json:"description,omitempty"`
167 // This is the id of the system prompt used by the agent
168 Disabled bool `json:"disabled,omitempty"`
169
170 Model SelectedModelType `json:"model"`
171
172 // The available tools for the agent
173 // if this is nil, all tools are available
174 AllowedTools []string `json:"allowed_tools,omitempty"`
175
176 // this tells us which MCPs are available for this agent
177 // if this is empty all mcps are available
178 // the string array is the list of tools from the AllowedMCP the agent has available
179 // if the string array is nil, all tools from the AllowedMCP are available
180 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
181
182 // The list of LSPs that this agent can use
183 // if this is nil, all LSPs are available
184 AllowedLSP []string `json:"allowed_lsp,omitempty"`
185
186 // Overrides the context paths for this agent
187 ContextPaths []string `json:"context_paths,omitempty"`
188}
189
190// Config holds the configuration for crush.
191type Config struct {
192 // We currently only support large/small as values here.
193 Models map[SelectedModelType]SelectedModel `json:"models,omitempty"`
194
195 // The providers that are configured
196 Providers map[string]ProviderConfig `json:"providers,omitempty"`
197
198 MCP MCPs `json:"mcp,omitempty"`
199
200 LSP LSPs `json:"lsp,omitempty"`
201
202 Options *Options `json:"options,omitempty"`
203
204 // Internal
205 workingDir string `json:"-"`
206 // TODO: most likely remove this concept when I come back to it
207 Agents map[string]Agent `json:"-"`
208 // TODO: find a better way to do this this should probably not be part of the config
209 resolver VariableResolver
210}
211
212func (c *Config) WorkingDir() string {
213 return c.workingDir
214}
215
216func (c *Config) EnabledProviders() []ProviderConfig {
217 enabled := make([]ProviderConfig, 0, len(c.Providers))
218 for _, p := range c.Providers {
219 if !p.Disable {
220 enabled = append(enabled, p)
221 }
222 }
223 return enabled
224}
225
226// IsConfigured return true if at least one provider is configured
227func (c *Config) IsConfigured() bool {
228 return len(c.EnabledProviders()) > 0
229}
230
231func (c *Config) GetModel(provider, model string) *provider.Model {
232 if providerConfig, ok := c.Providers[provider]; ok {
233 for _, m := range providerConfig.Models {
234 if m.ID == model {
235 return &m
236 }
237 }
238 }
239 return nil
240}
241
242func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
243 model, ok := c.Models[modelType]
244 if !ok {
245 return nil
246 }
247 if providerConfig, ok := c.Providers[model.Provider]; ok {
248 return &providerConfig
249 }
250 return nil
251}
252
253func (c *Config) GetModelByType(modelType SelectedModelType) *provider.Model {
254 model, ok := c.Models[modelType]
255 if !ok {
256 return nil
257 }
258 return c.GetModel(model.Provider, model.Model)
259}
260
261func (c *Config) LargeModel() *provider.Model {
262 model, ok := c.Models[SelectedModelTypeLarge]
263 if !ok {
264 return nil
265 }
266 return c.GetModel(model.Provider, model.Model)
267}
268
269func (c *Config) SmallModel() *provider.Model {
270 model, ok := c.Models[SelectedModelTypeSmall]
271 if !ok {
272 return nil
273 }
274 return c.GetModel(model.Provider, model.Model)
275}
276
277func (c *Config) Resolve(key string) (string, error) {
278 if c.resolver == nil {
279 return "", fmt.Errorf("no variable resolver configured")
280 }
281 return c.resolver.ResolveValue(key)
282}
283
284// TODO: maybe handle this better
285func UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
286 cfg := Get()
287 cfg.Models[modelType] = model
288 return nil
289}