CREATE TABLE IF NOT EXISTS stats_hourly (
    id VARCHAR(64) PRIMARY KEY,
    hour_utc BIGINT NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    success_requests BIGINT NOT NULL DEFAULT 0,
    error_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    actual_total_cost DOUBLE NOT NULL DEFAULT 0,
    avg_response_time_ms DOUBLE NOT NULL DEFAULT 0,
    is_complete TINYINT(1) NOT NULL DEFAULT 0,
    aggregated_at BIGINT,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_hourly_hour (hour_utc)
);

CREATE TABLE IF NOT EXISTS stats_hourly_user (
    id VARCHAR(64) PRIMARY KEY,
    hour_utc BIGINT NOT NULL,
    user_id VARCHAR(64) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    success_requests BIGINT NOT NULL DEFAULT 0,
    error_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_hourly_user (hour_utc, user_id)
);

CREATE TABLE IF NOT EXISTS stats_hourly_user_model (
    id VARCHAR(64) PRIMARY KEY,
    hour_utc BIGINT NOT NULL,
    user_id VARCHAR(64) NOT NULL,
    model VARCHAR(255) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_hourly_user_model (hour_utc, user_id, model)
);

CREATE TABLE IF NOT EXISTS stats_hourly_model (
    id VARCHAR(64) PRIMARY KEY,
    hour_utc BIGINT NOT NULL,
    model VARCHAR(255) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    avg_response_time_ms DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_hourly_model (hour_utc, model)
);

CREATE TABLE IF NOT EXISTS stats_hourly_provider (
    id VARCHAR(64) PRIMARY KEY,
    hour_utc BIGINT NOT NULL,
    provider_name VARCHAR(255) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_hourly_provider (hour_utc, provider_name)
);

CREATE TABLE IF NOT EXISTS stats_daily (
    id VARCHAR(64) PRIMARY KEY,
    `date` BIGINT NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    success_requests BIGINT NOT NULL DEFAULT 0,
    error_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    actual_total_cost DOUBLE NOT NULL DEFAULT 0,
    avg_response_time_ms DOUBLE NOT NULL DEFAULT 0,
    fallback_count BIGINT NOT NULL DEFAULT 0,
    unique_models BIGINT NOT NULL DEFAULT 0,
    unique_providers BIGINT NOT NULL DEFAULT 0,
    is_complete TINYINT(1) NOT NULL DEFAULT 0,
    aggregated_at BIGINT,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_daily_date (`date`)
);

CREATE TABLE IF NOT EXISTS stats_daily_model (
    id VARCHAR(64) PRIMARY KEY,
    `date` BIGINT NOT NULL,
    model VARCHAR(255) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    avg_response_time_ms DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_daily_model (`date`, model)
);

CREATE TABLE IF NOT EXISTS stats_daily_provider (
    id VARCHAR(64) PRIMARY KEY,
    `date` BIGINT NOT NULL,
    provider_name VARCHAR(255) NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_daily_provider (`date`, provider_name)
);

CREATE TABLE IF NOT EXISTS stats_daily_api_key (
    id VARCHAR(64) PRIMARY KEY,
    api_key_id VARCHAR(64) NOT NULL,
    `date` BIGINT NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    success_requests BIGINT NOT NULL DEFAULT 0,
    error_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    api_key_name VARCHAR(255),
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_daily_api_key (`date`, api_key_id)
);

CREATE TABLE IF NOT EXISTS stats_daily_error (
    id VARCHAR(64) PRIMARY KEY,
    `date` BIGINT NOT NULL,
    error_category VARCHAR(255) NOT NULL,
    provider_name VARCHAR(255),
    model VARCHAR(255),
    count BIGINT NOT NULL DEFAULT 0,
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_daily_error (`date`, error_category, provider_name, model)
);

CREATE TABLE IF NOT EXISTS stats_user_daily (
    id VARCHAR(64) PRIMARY KEY,
    user_id VARCHAR(64) NOT NULL,
    `date` BIGINT NOT NULL,
    total_requests BIGINT NOT NULL DEFAULT 0,
    success_requests BIGINT NOT NULL DEFAULT 0,
    error_requests BIGINT NOT NULL DEFAULT 0,
    input_tokens BIGINT NOT NULL DEFAULT 0,
    output_tokens BIGINT NOT NULL DEFAULT 0,
    cache_creation_tokens BIGINT NOT NULL DEFAULT 0,
    cache_read_tokens BIGINT NOT NULL DEFAULT 0,
    total_cost DOUBLE NOT NULL DEFAULT 0,
    username VARCHAR(255),
    created_at BIGINT NOT NULL,
    updated_at BIGINT NOT NULL,
    UNIQUE KEY uq_stats_user_daily (`date`, user_id)
);