export default async function initDB(c) {
	await c.env.db.prepare(`
  CREATE TABLE IF NOT EXISTS email (
    email_id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
    send_email TEXT,
	  name TEXT,
		receive_email TEXT NOT NULL,
		account_id INTEGER NOT NULL,
		user_id INTEGER NOT NULL,
    subject TEXT,
    content TEXT,
		text TEXT,
    create_time DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL,
		is_del INTEGER DEFAULT 0 NOT NULL
  )
 `).run();

	await c.env.db.prepare(`
		CREATE TABLE IF NOT EXISTS star (
		star_id INTEGER PRIMARY KEY AUTOINCREMENT,
		user_id INTEGER NOT NULL,
		email_id INTEGER NOT NULL,
		create_time DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL
		)
	`).run();

	await c.env.db.prepare(`
		CREATE TABLE IF NOT EXISTS attachments (
		att_id INTEGER PRIMARY KEY AUTOINCREMENT,
		user_id INTEGER NOT NULL,
		email_id INTEGER NOT NULL,
		account_id INTEGER NOT NULL,
		key TEXT NOT NULL,
		filename TEXT,
		mime_type TEXT,
		size INTEGER,
		disposition TEXT,
		related TEXT,
		content_id TEXT,
		encoding TEXT,
		create_time DATETIME DEFAULT CURRENT_TIMESTAMP NOT NULL
		)
	`).run();

	await c.env.db.prepare(`
  CREATE TABLE IF NOT EXISTS user (
    user_id INTEGER PRIMARY KEY AUTOINCREMENT,
    email TEXT NOT NULL,
		type INTEGER DEFAULT 1 NOT NULL,
		password TEXT NOT NULL,
		salt TEXT NOT NULL,
		status INTEGER DEFAULT 0 NOT NULL,
		create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
		active_time DATETIME,
		is_del INTEGER DEFAULT 0 NOT NULL
  )
 `).run();

	await c.env.db.prepare(`
		CREATE TABLE IF NOT EXISTS account (
		account_id INTEGER PRIMARY KEY AUTOINCREMENT,
		email TEXT NOT NULL,
		status INTEGER DEFAULT 0 NOT NULL,
		latest_email_time DATETIME,
		create_time DATETIME DEFAULT CURRENT_TIMESTAMP,
		user_id INTEGER NOT NULL,
		is_del INTEGER DEFAULT 0 NOT NULL
		)
	`).run();

	await c.env.db.prepare(`
  CREATE TABLE IF NOT EXISTS setting (
		register INTEGER NOT NULL,
		receive INTEGER NOT NULL,
		add_email INTEGER NOT NULL,
		many_email INTEGER NOT NULL,
		title TEXT NOT NULL,
		auto_refresh_time INTEGER NOT NULL,
		register_verify INTEGER NOT NULL,
		add_email_verify INTEGER NOT NULL
  )
 `).run();

	await c.env.db.prepare(`
  INSERT INTO setting (register, receive,add_email,many_email,title,auto_refresh_time,register_verify,add_email_verify)
  SELECT 0, 0, 0, 1, 'Cloud 邮箱', 0, 1, 1
  WHERE NOT EXISTS (SELECT 1 FROM setting)
`).run();

}