package db

import (
	"log"
	"sfbase/core"
	"sfbase/global"
	"sfbase/mysql"

	"gorm.io/gorm"
)

type MysqlDBConfig struct {
	DriverName      string `mapstructure:"driver_name"`
	DataSourceName  string `mapstructure:"data_source_name"`
	MaxOpenConn     int    `mapstructure:"max_open_conn"`
	MaxIdleConn     int    `mapstructure:"max_idle_conn"`
	MaxConnLifeTime int    `mapstructure:"max_conn_life_time"`
}

var (
	sfisDB *gorm.DB //业务主库mysql
)

func InitDB() {
	//数据库属性定义在业务中,解析配置文件加载到结构体基本方法viper在spirit中
	sfisDBConfig := MysqlDBConfig{}
	_, err := core.Viper(global.EnvPathPrefix+"/"+global.Env+"/mysql.toml", &sfisDBConfig)
	if err != nil {
		log.Println("sfisDBConfig:", err)
		return
	}
	//使用GromMysql封装在spirit中
	sfisDB = mysql.GormMysql(sfisDBConfig.DataSourceName, sfisDBConfig.DriverName, sfisDBConfig.MaxOpenConn, sfisDBConfig.MaxIdleConn, nil)
	if sfisDB != nil {
		log.Println("sfisDB 初始化成功")
	}

	//todo other db init
}

func GetSFISDB() *gorm.DB {
	if sfisDB == nil {
		log.Printf("ERROR:SFDB 实例为空!请重新实例化.")
	}
	return sfisDB
}