config

type CodeHost struct {
	Type            string       `mapstructure:"type"`             // github, gitlab, bitbucket, github_enterprise, gitlab_self_hosted
	URL             string       `mapstructure:"url"`              // Base URL (required for self-hosted instances)
	Token           string       `mapstructure:"token"`            // Token or env var reference (e.g., "$CS_GITHUB_TOKEN")
	ExcludeArchived bool         `mapstructure:"exclude_archived"` // When true, archived repos are excluded from sync
	CleanupArchived bool         `mapstructure:"cleanup_archived"` // When true, auto-cleanup index for archived repos
	Repos           []string     `mapstructure:"repos"`            // Specific repos to index (optional, if empty syncs all accessible repos)
	RepoConfigs     []RepoConfig `mapstructure:"repo_configs"`     // Detailed per-repo configuration (branches, exclude, etc.)
}

type Config struct {
	Server              ServerConfig        `mapstructure:"server"`
	Database            DatabaseConfig      `mapstructure:"database"`
	Redis               RedisConfig         `mapstructure:"redis"`
	Zoekt               ZoektConfig         `mapstructure:"zoekt"`
	Indexer             IndexerConfig       `mapstructure:"indexer"`
	Repos               ReposConfig         `mapstructure:"repos"`
	Scheduler           SchedulerConfig     `mapstructure:"scheduler"`
	Replace             ReplaceConfig       `mapstructure:"replace"`
	Sharding            ShardingConfig      `mapstructure:"sharding"`
	Search              SearchConfig        `mapstructure:"search"`
	RateLimit           RateLimitConfig     `mapstructure:"rate_limit"`
	Metrics             MetricsConfig       `mapstructure:"metrics"`
	Tracing             TracingConfig       `mapstructure:"tracing"`
	UI                  UIConfig            `mapstructure:"ui"`
	Security            SecurityConfig      `mapstructure:"security"`
	SCIP                SCIPConfig          `mapstructure:"scip"`
	CodeHosts           map[string]CodeHost `mapstructure:"codehosts"`
	ConnectionsReadOnly bool                `mapstructure:"connections_readonly"` // When true, connections can only be managed via config
	ReposReadOnly       bool                `mapstructure:"repos_readonly"`       // When true, repos can only be managed via sync (no manual add/delete)
}

type DatabaseConfig struct {
	Driver          string        `mapstructure:"driver"` // postgres, mysql (auto-detected from URL if not set)
	URL             string        `mapstructure:"url"`
	MaxOpenConns    int           `mapstructure:"max_open_conns"`
	MaxIdleConns    int           `mapstructure:"max_idle_conns"`
	ConnMaxLifetime time.Duration `mapstructure:"conn_max_lifetime"`
}

type IndexerConfig struct {
	Concurrency      int           `mapstructure:"concurrency"`
	IndexPath        string        `mapstructure:"index_path"`
	ReposPath        string        `mapstructure:"repos_path"`
	ReindexInterval  time.Duration `mapstructure:"reindex_interval"`
	ZoektBin         string        `mapstructure:"zoekt_bin"`
	CtagsBin         string        `mapstructure:"ctags_bin"`          // Path to ctags binary (for symbol indexing)
	RequireCtags     bool          `mapstructure:"require_ctags"`      // If true, ctags failures will fail indexing
	IndexAllBranches bool          `mapstructure:"index_all_branches"` // If true, index all branches (not just default)
	IndexTimeout     time.Duration `mapstructure:"index_timeout"`      // Timeout for zoekt-git-index operations (0 = no timeout/infinite, default: 0)
	MaxRepoSizeMB    int64         `mapstructure:"max_repo_size_mb"`   // Skip indexing repos larger than this size in MB (0 = no limit, default: 0)
}

type MetricsConfig struct {
	Enabled bool   `mapstructure:"enabled"` // Enable Prometheus metrics endpoint
	Path    string `mapstructure:"path"`    // Path to expose metrics (default: /metrics)
}

type RateLimitConfig struct {
	Enabled           bool    `mapstructure:"enabled"`             // Enable rate limiting
	RequestsPerSecond float64 `mapstructure:"requests_per_second"` // Requests per second per client
	BurstSize         int     `mapstructure:"burst_size"`          // Maximum burst size
}

type RedisConfig struct {
	URL           string `mapstructure:"url"`
	Addr          string `mapstructure:"addr"`
	Password      string `mapstructure:"password"`
	DB            int    `mapstructure:"db"`
	TLSEnabled    bool   `mapstructure:"tls_enabled"`      // Enable TLS connection to Redis
	TLSSkipVerify bool   `mapstructure:"tls_skip_verify"`  // Skip TLS certificate verification (insecure)
	TLSCertFile   string `mapstructure:"tls_cert_file"`    // Path to client certificate file (for mTLS)
	TLSKeyFile    string `mapstructure:"tls_key_file"`     // Path to client key file (for mTLS)
	TLSCACertFile string `mapstructure:"tls_ca_cert_file"` // Path to CA certificate file
	TLSServerName string `mapstructure:"tls_server_name"`  // Override server name for TLS verification
}

type ReplaceConfig struct {
	Concurrency  int           `mapstructure:"concurrency"`   // Number of repositories to process in parallel (default: 3)
	CloneTimeout time.Duration `mapstructure:"clone_timeout"` // Timeout for git clone operations (default: 10m)
	PushTimeout  time.Duration `mapstructure:"push_timeout"`  // Timeout for git push operations (default: 5m)
	MaxFileSize  int64         `mapstructure:"max_file_size"` // Maximum file size to process in bytes (default: 10MB)
	WorkDir      string        `mapstructure:"work_dir"`      // Working directory for temporary clones (default: /tmp/codesearch-replace)
}

type RepoConfig struct {
	Name     string   `mapstructure:"name"`     // Repository name (e.g., "owner/repo")
	Branches []string `mapstructure:"branches"` // Specific branches to index (empty = default branch only)
	Exclude  bool     `mapstructure:"exclude"`  // If true, exclude this repo from indexing (can be re-included)
	Delete   bool     `mapstructure:"delete"`   // If true, permanently delete this repo (won't be re-added on sync)
}

type ReposConfig struct {
	BasePath string `mapstructure:"base_path"`
}

type SCIPConfig struct {
	Enabled   bool                          `mapstructure:"enabled"`    // Enable SCIP indexing
	AutoIndex bool                          `mapstructure:"auto_index"` // Auto-index after Zoekt indexing
	Timeout   time.Duration                 `mapstructure:"timeout"`    // Timeout for SCIP indexing operations
	WorkDir   string                        `mapstructure:"work_dir"`   // Working directory for temporary files (empty = system temp)
	CacheDir  string                        `mapstructure:"cache_dir"`  // Directory for SCIP SQLite databases (empty = derived from repos path)
	Languages map[string]SCIPLanguageConfig `mapstructure:"languages"`  // Per-language configuration
}

type SCIPLanguageConfig struct {
	Enabled    bool   `mapstructure:"enabled"`     // Enable this language's indexer
	BinaryPath string `mapstructure:"binary_path"` // Path to the indexer binary (empty = look in PATH)
}

type SchedulerConfig struct {
	Enabled               bool          `mapstructure:"enabled"`
	PollInterval          time.Duration `mapstructure:"poll_interval"`           // Default time between syncs
	CheckInterval         time.Duration `mapstructure:"check_interval"`          // How often to check for repos needing sync
	StaleThreshold        time.Duration `mapstructure:"stale_threshold"`         // Max time in 'indexing' before repo is reset to 'pending'
	PendingJobTimeout     time.Duration `mapstructure:"pending_job_timeout"`     // Max time in 'pending' before repo is re-queued (default: 5m)
	MaxConcurrentChecks   int           `mapstructure:"max_concurrent_checks"`   // Parallel git fetch checks
	JobRetention          time.Duration `mapstructure:"job_retention"`           // How long to keep completed/failed jobs
	OrphanCleanupInterval time.Duration `mapstructure:"orphan_cleanup_interval"` // How often to check for orphan shards (0 to disable)
}

type SearchConfig struct {
	EnableStreaming bool `mapstructure:"enable_streaming"` // Enable true streaming from Zoekt (faster time-to-first-result)
}

type SecurityConfig struct {
	EncryptionKey string `mapstructure:"encryption_key"` // Key for encrypting tokens at rest (empty = disabled)
}

type ServerConfig struct {
	Addr         string        `mapstructure:"addr"`
	ReadTimeout  time.Duration `mapstructure:"read_timeout"`
	WriteTimeout time.Duration `mapstructure:"write_timeout"`
}

type ShardingConfig struct {
	Enabled         bool   `mapstructure:"enabled"`          // Enable hash-based sharding
	TotalShards     int    `mapstructure:"total_shards"`     // Total number of shards (indexer replicas)
	IndexerAPIPort  int    `mapstructure:"indexer_api_port"` // Port for indexer HTTP API (default: 8081)
	IndexerService  string `mapstructure:"indexer_service"`  // Headless service name for indexer discovery (default: code-search-indexer-headless)
	FederatedAccess bool   `mapstructure:"federated_access"` // Enable federated file browsing/replace via proxy
}

type TracingConfig struct {
	Enabled        bool    `mapstructure:"enabled"`         // Enable OpenTelemetry tracing
	ServiceName    string  `mapstructure:"service_name"`    // Service name for traces (default: code-search)
	ServiceVersion string  `mapstructure:"service_version"` // Service version (default: 1.0.0)
	Environment    string  `mapstructure:"environment"`     // Deployment environment (default: development)
	Endpoint       string  `mapstructure:"endpoint"`        // OTLP endpoint (default: localhost:4317)
	Protocol       string  `mapstructure:"protocol"`        // Protocol: grpc or http (default: grpc)
	SampleRate     float64 `mapstructure:"sample_rate"`     // Sampling rate 0.0-1.0 (default: 1.0)
	Insecure       bool    `mapstructure:"insecure"`        // Disable TLS (default: true for local dev)
}

type UIConfig struct {
	HideReadOnlyBanner  bool `mapstructure:"hide_readonly_banner"`  // Hide the read-only mode banner in the UI
	HideFileNavigator   bool `mapstructure:"hide_file_navigator"`   // Hide the browse links in search results
	DisableBrowseAPI    bool `mapstructure:"disable_browse_api"`    // Completely disable the browse API endpoints
	HideReposPage       bool `mapstructure:"hide_repos_page"`       // Hide the Repositories page from navigation
	HideConnectionsPage bool `mapstructure:"hide_connections_page"` // Hide the Connections page from navigation
	HideJobsPage        bool `mapstructure:"hide_jobs_page"`        // Hide the Jobs page from navigation
	HideReplacePage     bool `mapstructure:"hide_replace_page"`     // Hide the Replace page from navigation
}

type ZoektConfig struct {
	URL       string `mapstructure:"url"` // Single URL or comma-separated URLs for sharding
	IndexPath string `mapstructure:"index_path"`
	Shards    int    `mapstructure:"shards"` // Number of shards (for auto-discovery in K8s)
}