package DbUtil

import (
	"dsSupport/Const/ErrorConst"
	"dsSupport/Utils/ConfigUtil"
	"dsSupport/Utils/LogUtil"
	"fmt"
	_ "github.com/go-sql-driver/mysql"
	"github.com/xormplus/core"
	"github.com/xormplus/xorm"
	"github.com/xormplus/xorm/log"
	"os"
	"time"
)

var Engine *xorm.EngineGroup

func init() {
	host := ConfigUtil.MysqlIp
	port := ConfigUtil.MysqlPort
	user := ConfigUtil.MysqlUser
	dbname := ConfigUtil.MysqlDataBase
	password := ConfigUtil.MysqlPwd
	var conns []string
	//mysql
	master := fmt.Sprintf("%s:%s@%s(%s:%s)/%s?charset=utf8", user, password, "tcp", host, port, dbname)
	conns = append(conns, master)
	var err error
	Engine, err = xorm.NewEngineGroup("mysql", conns)
	if err != nil {
		LogUtil.Error(ErrorConst.SqlQueryError, err.Error())
	}
	//设置数据库连接池
	Engine.SetMaxIdleConns(200) //设置连接池中的保持连接的最大连接数。
	Engine.SetMaxOpenConns(200) //设置打开数据库的最大连接数，包含正在使用的连接和连接池的连接。
	Engine.SetConnMaxLifetime(time.Minute * 5)
	//设置数据时区
	var location *time.Location
	location, _ = time.LoadLocation("Asia/Shanghai")
	Engine.TZLocation = location
	//与 struct的映射方式，这里采用蛇型方法，默认是蛇形
	Engine.SetTableMapper(core.SnakeMapper{})

	//显示+记录SQL日志
	f, _ := os.Create("./Logs/sql.log")

	logger := log.NewSimpleLogger(f)
	logger.SetLevel(log.LOG_DEBUG)
	Engine.SetLogger(log.NewLoggerAdapter(logger))
	Engine.ShowSQL(true)                     // 则会在控制台打印出生成的SQL语句
}