-- ============================================================================
-- AUDIT SCHEMA - Tabla: api_request_logs
-- ============================================================================
-- Log de requests a la API (para debugging y análisis)
-- ============================================================================

CREATE TABLE IF NOT EXISTS audit.api_request_logs (
    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),

    -- Request
    request_id UUID NOT NULL,
    method VARCHAR(10) NOT NULL,
    path VARCHAR(500) NOT NULL,
    query_params JSONB,
    headers JSONB,
    body_size INTEGER,

    -- Actor
    user_id UUID REFERENCES auth.users(id) ON DELETE SET NULL,
    api_key_id UUID,
    ip_address INET NOT NULL,
    user_agent TEXT,

    -- Response
    status_code INTEGER NOT NULL,
    response_size INTEGER,
    response_time_ms INTEGER NOT NULL,

    -- Contexto
    service_name VARCHAR(50),
    version VARCHAR(20),
    error_code VARCHAR(50),
    error_message TEXT,

    -- Timestamps
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);

-- Índices optimizados para consultas de análisis
CREATE INDEX idx_api_logs_user ON audit.api_request_logs(user_id);
CREATE INDEX idx_api_logs_path ON audit.api_request_logs(path);
CREATE INDEX idx_api_logs_status ON audit.api_request_logs(status_code);
CREATE INDEX idx_api_logs_created ON audit.api_request_logs(created_at DESC);
CREATE INDEX idx_api_logs_ip ON audit.api_request_logs(ip_address);
CREATE INDEX idx_api_logs_slow ON audit.api_request_logs(response_time_ms) WHERE response_time_ms > 1000;
CREATE INDEX idx_api_logs_errors ON audit.api_request_logs(status_code) WHERE status_code >= 400;

COMMENT ON TABLE audit.api_request_logs IS 'Log de requests HTTP para análisis y debugging';
COMMENT ON COLUMN audit.api_request_logs.body_size IS 'Tamaño del body en bytes (no se guarda contenido por seguridad)';