/** Supported alert channel providers */
export type AlertChannel = 'telegram' | 'slack' | 'discord' | 'webhook' | 'console';
/** Supported AI optimization providers */
export type AIProvider = 'openai' | 'anthropic' | 'gemini' | 'none';
/** Supported database adapters */
export type DatabaseAdapter = 'prisma' | 'pg' | 'mysql2' | 'mssql' | 'auto';
/** Log verbosity levels */
export type LogLevel = 'debug' | 'info' | 'warn' | 'error' | 'silent';
/** Threshold comparison operator */
export type ThresholdOperator = '>' | '>=' | '<' | '<=' | '=';
/** Severity of a slow query event */
export type Severity = 'critical' | 'warning' | 'info';
/**
 * Parsed threshold object.
 * Supports string notation such as ">500ms", ">=2s", ">1000"
 */
export interface Threshold {
    /** Raw original string e.g. ">500ms" */
    raw: string;
    /** Comparison operator */
    operator: ThresholdOperator;
    /** Value in milliseconds */
    valueMs: number;
}
export interface TelegramConfig {
    /** Bot token from @BotFather */
    botToken: string;
    /** Target chat / group / channel ID */
    chatId: string;
    /** Optional custom message thread ID (Topics) */
    messageThreadId?: number;
    /** Parse mode for messages (default: HTML) */
    parseMode?: 'HTML' | 'Markdown' | 'MarkdownV2';
}
export interface SlackConfig {
    /** Incoming Webhook URL */
    webhookUrl: string;
    /** Optional channel override */
    channel?: string;
    /** Optional username override */
    username?: string;
    /** Optional icon emoji */
    iconEmoji?: string;
}
export interface DiscordConfig {
    /** Discord Webhook URL */
    webhookUrl: string;
    /** Optional username override */
    username?: string;
    /** Optional avatar URL */
    avatarUrl?: string;
}
export interface WebhookConfig {
    /** Endpoint URL */
    url: string;
    /** HTTP method (default: POST) */
    method?: 'POST' | 'PUT';
    /** Extra headers */
    headers?: Record<string, string>;
    /** Bearer / HMAC secret for signed requests */
    secret?: string;
}
export interface AIConfig {
    /** AI provider to use */
    provider: AIProvider;
    /** API key (falls back to env vars) */
    apiKey?: string;
    /** Model name override */
    model?: string;
    /** Max tokens for completion */
    maxTokens?: number;
    /** Temperature (0-1) */
    temperature?: number;
    /** Request timeout in ms (default: 30 000) */
    timeoutMs?: number;
    /**
     * Whether to include the full query text in the AI prompt.
     * Disable for privacy-sensitive environments.
     * Default: true
     */
    includeQueryInPrompt?: boolean;
}
export interface DashboardConfig {
    /** Enable the embedded Express dashboard (default: false) */
    enabled: boolean;
    /** Port to listen on (default: 4001) */
    port?: number;
    /** Bearer token to protect dashboard endpoints */
    secret?: string;
    /** Hostname / IP to bind (default: 0.0.0.0) */
    host?: string;
    /** Max entries kept in the in-memory store (default: 5000) */
    maxStoredQueries?: number;
}
export interface SqlSlowConfig {
    /**
     * Alert threshold string.
     * Examples: ">500ms", ">=1s", ">2000"
     * Default: ">500ms"
     */
    alert?: string;
    /**
     * Enable AI-powered query optimization suggestions.
     * Pass 'ai' to enable with default settings, or an AIConfig object for full control.
     */
    fix?: 'ai' | AIConfig | false;
    /** Telegram alert configuration */
    telegram?: TelegramConfig;
    /** Slack alert configuration */
    slack?: SlackConfig;
    /** Discord alert configuration */
    discord?: DiscordConfig;
    /** Generic HTTP webhook configuration */
    webhook?: WebhookConfig;
    /** Always print alerts to console (default: true) */
    consoleAlerts?: boolean;
    /** Real-time web dashboard configuration */
    dashboard?: DashboardConfig | boolean;
    /**
     * Force a specific adapter.
     * 'auto' detects automatically from the client passed to SqlSlow.
     */
    adapter?: DatabaseAdapter;
    /**
     * Sample rate (0.0 – 1.0).
     * Only analyse this fraction of all queries. Useful under extreme load.
     * Default: 1.0 (100%)
     */
    sampleRate?: number;
    /**
     * Maximum concurrent AI requests in-flight.
     * Prevents rate-limit bursts.
     * Default: 3
     */
    maxConcurrentAI?: number;
    /**
     * Send a daily summary report at the given UTC hour (0-23).
     * Set to -1 to disable.
     * Default: -1
     */
    dailyReportHour?: number;
    /** Log verbosity (default: 'info') */
    logLevel?: LogLevel;
    /** Human-readable application / server name shown in alerts */
    appName?: string;
}
export interface ResolvedConfig {
    threshold: Threshold;
    ai: AIConfig | null;
    telegram: TelegramConfig | null;
    slack: SlackConfig | null;
    discord: DiscordConfig | null;
    webhook: WebhookConfig | null;
    consoleAlerts: boolean;
    dashboard: DashboardConfig;
    adapter: DatabaseAdapter;
    sampleRate: number;
    maxConcurrentAI: number;
    dailyReportHour: number;
    logLevel: LogLevel;
    appName: string;
}
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