config

type AzureConfig struct {
	// Shared defaults — used when chat/embed-specific values are not set.
	Endpoint   string `mapstructure:"endpoint"`
	APIKey     string `mapstructure:"api_key" secret:"true"`
	APIVersion string `mapstructure:"api_version"`

	Chat  AzureServiceConfig `mapstructure:"chat"`
	Embed AzureServiceConfig `mapstructure:"embed"`
}

type AzureServiceConfig struct {
	Endpoint   string `mapstructure:"endpoint"`
	APIKey     string `mapstructure:"api_key" secret:"true"`
	APIVersion string `mapstructure:"api_version"`
	Model      string `mapstructure:"model"`
}

type CommunityConfig struct {
	MinCommunitySize int `mapstructure:"min_community_size"`
	MaxLevels        int `mapstructure:"max_levels"`
}

type Config struct {
	DataDir        string          `mapstructure:"data_dir"`
	DefaultProject string          `mapstructure:"default_project"`
	LLM            LLMConfig       `mapstructure:"llm"`
	Indexing       IndexingConfig  `mapstructure:"indexing"`
	Community      CommunityConfig `mapstructure:"community"`
	Server         ServerConfig    `mapstructure:"server"`
	Log            LogConfig       `mapstructure:"log"`

	// Phase-5: per-project LLM overrides. Keyed by project slug.
	// When a slug is missing from the map, callers fall back to the
	// top-level LLM field. Not bound to env vars — configure via
	// YAML only (env flat-string rewriting doesn't nest well).
	LLMOverrides map[string]LLMConfig `mapstructure:"llm_overrides"`
}

type IndexingConfig struct {
	ChunkSize     int  `mapstructure:"chunk_size"`
	ChunkOverlap  int  `mapstructure:"chunk_overlap"`
	BatchSize     int  `mapstructure:"batch_size"`
	Workers       int  `mapstructure:"workers"`
	ExtractGraph  bool `mapstructure:"extract_graph"`
	ExtractClaims bool `mapstructure:"extract_claims"`
	MaxGleanings  int  `mapstructure:"max_gleanings"`
}

type LLMConfig struct {
	Provider string       `mapstructure:"provider"`
	Azure    AzureConfig  `mapstructure:"azure"`
	Ollama   OllamaConfig `mapstructure:"ollama"`
	OpenAI   OpenAIConfig `mapstructure:"openai"`

	// CallTimeout caps the end-to-end duration of a single provider
	// call (Complete / Embed / EmbedBatch). Any retry wrapper counts
	// against this deadline — the timeout is NOT reset between
	// attempts. Zero disables the per-call cap (caller's ctx is
	// authoritative). Default 60s. Block 3.3.
	CallTimeout time.Duration `mapstructure:"call_timeout"`
}

type LogConfig struct {
	// Format chooses the slog handler. "text" (default) emits a
	// human-readable single-line format with emoji prefixes; "json"
	// strips emoji and emits machine-parseable JSON objects.
	Format string `mapstructure:"format"`
}

type OllamaConfig struct {
	BaseURL    string `mapstructure:"base_url"`
	ChatModel  string `mapstructure:"chat_model"`
	EmbedModel string `mapstructure:"embed_model"`
}

type OpenAIConfig struct {
	APIKey       string `mapstructure:"api_key" secret:"true"`
	BaseURL      string `mapstructure:"base_url"`
	ChatModel    string `mapstructure:"chat_model"`
	EmbedModel   string `mapstructure:"embed_model"`
	Organization string `mapstructure:"organization"`
}

type ServerConfig struct {
	Host           string `mapstructure:"host"`
	Port           int    `mapstructure:"port"`
	APIKey         string `mapstructure:"api_key" secret:"true"`
	MaxUploadBytes int64  `mapstructure:"max_upload_bytes"` // 0 or negative disables the cap
	WorkqWorkers   int    `mapstructure:"workq_workers"`    // 0 → runtime.NumCPU()
	WorkqDepth     int    `mapstructure:"workq_depth"`      // 0 → 64
	HSTSEnabled    bool   `mapstructure:"hsts_enabled"`     // emits Strict-Transport-Security when true

	// RequestTimeout caps the duration of every HTTP handler except
	// the carve-outs listed in isUploadRoute. Block 3.2 default 30s.
	// Zero disables the cap (not recommended in production).
	RequestTimeout time.Duration `mapstructure:"request_timeout"`

	// UploadTimeout caps long-running upload / import endpoints
	// (POST /api/upload, POST /api/projects/{project}/import). Block
	// 3.2 default 10m.
	UploadTimeout time.Duration `mapstructure:"upload_timeout"`
}