config

type AIConfig struct {
	// OpenAI API key
	APIKey string `koanf:"api_key"`
	// Model to use for AI SQL generation (default: gpt-4o)
	Model string `koanf:"model"`
	// MaxTokens is the maximum number of tokens to generate (default: 1024)
	MaxTokens int `koanf:"max_tokens"`
	// Temperature controls randomness in generation (0.0-1.0, default: 0.1)
	Temperature float32 `koanf:"temperature"`
	// Enabled indicates whether AI features are enabled
	Enabled bool `koanf:"enabled"`
	// BaseURL for OpenAI API (default: "", which uses the standard OpenAI API endpoint)
	BaseURL string `koanf:"base_url"`
}

type AuthConfig struct {
	AdminEmails           []string      `koanf:"admin_emails"`
	SessionDuration       time.Duration `koanf:"session_duration"`
	MaxConcurrentSessions int           `koanf:"max_concurrent_sessions"`
	APITokenSecret        string        `koanf:"api_token_secret"`
	DefaultTokenExpiry    time.Duration `koanf:"default_token_expiry"`
}

type ClickhouseConfig struct {
	Host     string `koanf:"host"`
	Port     int    `koanf:"port"`
	Database string `koanf:"database"`
	Username string `koanf:"username"`
	Password string `koanf:"password"`
}

type Config struct {
	Server     ServerConfig     `koanf:"server"`
	SQLite     SQLiteConfig     `koanf:"sqlite"`
	Clickhouse ClickhouseConfig `koanf:"clickhouse"`
	OIDC       OIDCConfig       `koanf:"oidc"`
	Auth       AuthConfig       `koanf:"auth"`
	Logging    LoggingConfig    `koanf:"logging"`
	AI         AIConfig         `koanf:"ai"`
}

type LoggingConfig struct {
	// Level sets the minimum log level (debug, info, warn, error)
	Level string `koanf:"level"`
}

type OIDCConfig struct {
	// Provider URL for OIDC discovery
	ProviderURL string `koanf:"provider_url"` // Base URL for OIDC provider discovery
	// Different endpoints for OIDC flow
	AuthURL  string `koanf:"auth_url"`  // URL for browser auth redirects
	TokenURL string `koanf:"token_url"` // URL for token exchange (server-to-server)

	ClientID     string   `koanf:"client_id"`
	ClientSecret string   `koanf:"client_secret"`
	RedirectURL  string   `koanf:"redirect_url"`
	Scopes       []string `koanf:"scopes"`
}

type SQLiteConfig struct {
	Path string `koanf:"path"`
}

type ServerConfig struct {
	Port              int           `koanf:"port"`
	Host              string        `koanf:"host"`
	FrontendURL       string        `koanf:"frontend_url"`
	HTTPServerTimeout time.Duration `koanf:"http_server_timeout"`
}