/**
 * mysql/sequelize
 *
 * 参考文档:
 * https://www.sequelize.com.cn/
 */
const config = require("./config")
const Sequelize = require("sequelize");
module.exports = async (app) => {
	const {
		      database,
		      username,
		      password,
		      options,
	      } = config
	
	const sequelize = new Sequelize(database, username, password, {
		...options,
		operatorsAliases,
	});
	try {
		await sequelize.authenticate();
		console.log('数据库连接成功');
	} catch (error) {
		console.error('数据库连接失败', error);
	}
	
	app.sql = sequelize
	
	//等待所有插件载入完成后,自动更新数据库字段
	//把所有模型的md5值存入到redis里面去,哪个文件的md5有变动就更新哪个表的字段.
	//todo
	app.willReadyList.push(()=>{
	
	})
	
	
}

//定义别名
function operatorsAliases() {
	const Op = Sequelize.Op;
	//操作符别名
	const operatorsAliases = {
		$eq:            Op.eq,
		$ne:            Op.ne,
		$gte:           Op.gte,
		$gt:            Op.gt,
		$lte:           Op.lte,
		$lt:            Op.lt,
		$not:           Op.not,
		$in:            Op.in,
		$notIn:         Op.notIn,
		$is:            Op.is,
		$like:          Op.like,
		$notLike:       Op.notLike,
		$iLike:         Op.iLike,
		$notILike:      Op.notILike,
		$regexp:        Op.regexp,
		$notRegexp:     Op.notRegexp,
		$iRegexp:       Op.iRegexp,
		$notIRegexp:    Op.notIRegexp,
		$between:       Op.between,
		$notBetween:    Op.notBetween,
		$overlap:       Op.overlap,
		$contains:      Op.contains,
		$contained:     Op.contained,
		$adjacent:      Op.adjacent,
		$strictLeft:    Op.strictLeft,
		$strictRight:   Op.strictRight,
		$noExtendRight: Op.noExtendRight,
		$noExtendLeft:  Op.noExtendLeft,
		$substring:     Op.substring,
		$startsWith:    Op.startsWith,
		$endsWith:      Op.endsWith,
		$and:           Op.and,
		$or:            Op.or,
		$any:           Op.any,
		$all:           Op.all,
		$values:        Op.values,
		$col:           Op.col
	};
	return operatorsAliases
}