config

type BotConfig struct {
	Language          string  `yaml:"language" env:"LAPLACED_BOT_LANGUAGE"`
	BotName           string  `yaml:"bot_name" env:"LAPLACED_BOT_NAME"`
	AllowedUserIDs    []int64 `yaml:"allowed_user_ids" env:"LAPLACED_ALLOWED_USER_IDS"`
	SystemPrompt      string  `yaml:"system_prompt"`       // Deprecated: moved to i18n
	SystemPromptExtra string  `yaml:"system_prompt_extra"` // New
	TurnWaitDuration  string  `yaml:"turn_wait_duration"`
}

type Config struct {
	Log struct {
		Level string `yaml:"level" env:"LAPLACED_LOG_LEVEL"`
	} `yaml:"log"`
	Server struct {
		ListenPort string `yaml:"listen_port" env:"LAPLACED_SERVER_PORT"`
		DebugMode  bool   `yaml:"debug_mode" env:"LAPLACED_SERVER_DEBUG"`
		Auth       struct {
			Enabled  bool   `yaml:"enabled" env:"LAPLACED_AUTH_ENABLED"`
			Username string `yaml:"username" env:"LAPLACED_AUTH_USERNAME"`
			Password string `yaml:"password" env:"LAPLACED_AUTH_PASSWORD"`
		} `yaml:"auth"`
	} `yaml:"server"`
	Telegram struct {
		Token         string `yaml:"token" env:"LAPLACED_TELEGRAM_TOKEN"`
		WebhookURL    string `yaml:"webhook_url" env:"LAPLACED_TELEGRAM_WEBHOOK_URL"`
		WebhookPath   string // Auto-generated from token hash (not configurable)
		WebhookSecret string // Auto-generated from token hash (not configurable)
		ProxyURL      string `yaml:"proxy_url" env:"LAPLACED_TELEGRAM_PROXY_URL"`
	} `yaml:"telegram"`
	OpenRouter OpenRouterConfig `yaml:"openrouter"`
	RAG        RAGConfig        `yaml:"rag"`
	Tools      []ToolConfig     `yaml:"tools"`
	Bot        BotConfig        `yaml:"bot"`
	Database   struct {
		Path string `yaml:"path" env:"LAPLACED_DATABASE_PATH"`
	} `yaml:"database"`
	Yandex YandexConfig `yaml:"yandex"`
}

type OpenRouterConfig struct {
	APIKey          string      `yaml:"api_key" env:"LAPLACED_OPENROUTER_API_KEY"`
	ProxyURL        string      `yaml:"proxy_url" env:"LAPLACED_OPENROUTER_PROXY_URL"`
	Model           string      `yaml:"model" env:"LAPLACED_OPENROUTER_MODEL"`
	PDFParserEngine string      `yaml:"pdf_parser_engine"`
	RequestCost     float64     `yaml:"request_cost"`
	PriceTiers      []PriceTier `yaml:"price_tiers"`
}

type PriceTier struct {
	UpToTokens     int     `yaml:"up_to_tokens"`
	PromptCost     float64 `yaml:"prompt_cost"`
	CompletionCost float64 `yaml:"completion_cost"`
}

type RAGConfig struct {
	Enabled                          bool    `yaml:"enabled" env:"LAPLACED_RAG_ENABLED"`
	EmbeddingModel                   string  `yaml:"embedding_model"`
	SummaryModel                     string  `yaml:"summary_model"`
	QueryModel                       string  `yaml:"query_model"`
	MaxContextMessages               int     `yaml:"max_context_messages"`
	MaxProfileFacts                  int     `yaml:"max_profile_facts"`
	RetrievedMessagesCount           int     `yaml:"retrieved_messages_count"`
	RetrievedTopicsCount             int     `yaml:"retrieved_topics_count"`
	SimilarityThreshold              float64 `yaml:"similarity_threshold"`
	ConsolidationSimilarityThreshold float64 `yaml:"consolidation_similarity_threshold"` // New
	MinSafetyThreshold               float64 `yaml:"min_safety_threshold"`               // New
	MaxChunkSize                     int     `yaml:"max_chunk_size"`                     // New
	BackfillBatchSize                int     `yaml:"backfill_batch_size"`
	BackfillInterval                 string  `yaml:"backfill_interval"`
	TopicModel                       string  `yaml:"topic_model"`
	ChunkInterval                    string  `yaml:"chunk_interval"`
	MaxMergedSizeChars               int     `yaml:"max_merged_size_chars"`    // Max combined size for topic merge (default 50000)
	SplitThresholdChars              int     `yaml:"split_threshold_chars"`    // Threshold for splitting large topics
	RecentTopicsInContext            int     `yaml:"recent_topics_in_context"` // Number of recent topics to show in context (metadata only)
	TopicExtractionPrompt            string  `yaml:"topic_extraction_prompt"`  // Deprecated: moved to i18n
	EnrichmentPrompt                 string  `yaml:"enrichment_prompt"`        // Deprecated: moved to i18n

	Reranker RerankerConfig `yaml:"reranker"` // v0.4
}

type RerankerConfig struct {
	Enabled             bool   `yaml:"enabled" env:"LAPLACED_RAG_RERANKER_ENABLED"`
	Model               string `yaml:"model" env:"LAPLACED_RAG_RERANKER_MODEL"`
	Candidates          int    `yaml:"candidates" env:"LAPLACED_RAG_RERANKER_CANDIDATES"`                       // summaries to show Flash
	MaxTopics           int    `yaml:"max_topics" env:"LAPLACED_RAG_RERANKER_MAX_TOPICS"`                       // max topics in final selection
	MaxPeople           int    `yaml:"max_people" env:"LAPLACED_RAG_RERANKER_MAX_PEOPLE"`                       // max people in final selection (v0.5)
	Timeout             string `yaml:"timeout" env:"LAPLACED_RAG_RERANKER_TIMEOUT"`                             // timeout for entire reranker flow
	TurnTimeout         string `yaml:"turn_timeout" env:"LAPLACED_RAG_RERANKER_TURN_TIMEOUT"`                   // timeout per LLM turn (default: Timeout / (MaxToolCalls+1))
	MaxToolCalls        int    `yaml:"max_tool_calls" env:"LAPLACED_RAG_RERANKER_MAX_TOOL_CALLS"`               // max tool calls before stopping
	ThinkingLevel       string `yaml:"thinking_level" env:"LAPLACED_RAG_RERANKER_THINKING_LEVEL"`               // reasoning effort: "minimal", "low", "medium", "high" (default: "minimal")
	LargeTopicThreshold int    `yaml:"large_topic_threshold" env:"LAPLACED_RAG_RERANKER_LARGE_TOPIC_THRESHOLD"` // chars threshold for excerpt request (default 25000)
	TargetContextChars  int    `yaml:"target_context_chars" env:"LAPLACED_RAG_RERANKER_TARGET_CONTEXT_CHARS"`   // target total chars for all selected topics (default 25000)
	IgnoreExcerpts      bool   `yaml:"ignore_excerpts" env:"LAPLACED_RAG_RERANKER_IGNORE_EXCERPTS"`             // if true, always use full topic content instead of excerpts
}

type ToolConfig struct {
	Name                 string `yaml:"name"`
	Model                string `yaml:"model"`
	Description          string `yaml:"description"`
	ParameterDescription string `yaml:"parameter_description"`
}

type YandexConfig struct {
	Enabled     bool   `yaml:"enabled" env:"LAPLACED_YANDEX_ENABLED"`
	APIKey      string `yaml:"api_key" env:"LAPLACED_YANDEX_API_KEY"`
	FolderID    string `yaml:"folder_id" env:"LAPLACED_YANDEX_FOLDER_ID"`
	Language    string `yaml:"language"`
	AudioFormat string `yaml:"audio_format"`
	SampleRate  string `yaml:"sample_rate"`
}