-- Msg 服务数据库初始化脚本
-- 表：msg_notifications / msg_notification_preferences

CREATE TABLE IF NOT EXISTS msg_notifications (
  id CHAR(36) NOT NULL PRIMARY KEY,
  user_id CHAR(36) NOT NULL,
  type VARCHAR(50) NOT NULL,
  title VARCHAR(200) NOT NULL,
  content TEXT NOT NULL,
  channel VARCHAR(20) NOT NULL DEFAULT 'in_app',
  is_read BOOLEAN NOT NULL DEFAULT FALSE,
  metadata JSON NULL,
  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
  INDEX idx_notifications_user_id (user_id),
  INDEX idx_notifications_is_read (is_read),
  INDEX idx_notifications_created_at (created_at),
  INDEX idx_notifications_user_read (user_id, is_read)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

CREATE TABLE IF NOT EXISTS msg_notification_preferences (
  user_id CHAR(36) NOT NULL PRIMARY KEY,
  email_enabled BOOLEAN NOT NULL DEFAULT TRUE,
  sms_enabled BOOLEAN NOT NULL DEFAULT FALSE,
  push_enabled BOOLEAN NOT NULL DEFAULT TRUE,
  in_app_enabled BOOLEAN NOT NULL DEFAULT TRUE
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;