ALTER TABLE `user` ADD COLUMN `password_changed_at` DATETIME NULL AFTER `last_login`;

CREATE TABLE IF NOT EXISTS `user_login_session` (
    id BIGINT PRIMARY KEY,
    user_id BIGINT NOT NULL,
    access_token_id VARCHAR(64) NOT NULL,
    refresh_token_id VARCHAR(64) NOT NULL,
    user_agent VARCHAR(512),
    ip VARCHAR(64),
    last_active_at DATETIME NOT NULL,
    expires_at DATETIME NOT NULL,
    revoked_at DATETIME,
    created_at DATETIME,
    UNIQUE KEY uk_session_access (access_token_id),
    UNIQUE KEY uk_session_refresh (refresh_token_id),
    KEY idx_session_user_active (user_id, revoked_at, expires_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `invoice_profile` (
    id BIGINT PRIMARY KEY,
    user_id BIGINT NOT NULL,
    title VARCHAR(128) NOT NULL,
    taxpayer_number VARCHAR(64) NOT NULL,
    email VARCHAR(128) NOT NULL,
    is_default TINYINT DEFAULT 0,
    created_at DATETIME,
    updated_at DATETIME,
    KEY idx_invoice_profile_user (user_id, is_default)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS `invoice_request` (
    id BIGINT PRIMARY KEY,
    user_id BIGINT NOT NULL,
    order_id BIGINT NOT NULL,
    amount DECIMAL(10,2) NOT NULL,
    title VARCHAR(128) NOT NULL,
    taxpayer_number VARCHAR(64) NOT NULL,
    email VARCHAR(128) NOT NULL,
    status VARCHAR(16) DEFAULT 'pending',
    invoice_number VARCHAR(64),
    admin_remark VARCHAR(256),
    requested_at DATETIME,
    processed_at DATETIME,
    UNIQUE KEY uk_invoice_order (order_id),
    KEY idx_invoice_request_user (user_id, requested_at),
    KEY idx_invoice_request_status (status, requested_at)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE INDEX idx_download_log_user_created ON download_log (user_id, created_at DESC);