// Pipe - A small and beautiful blogging platform written in golang.
// Copyright (C) 2017-2018, b3log.org
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package service

import (
	"fmt"

	"github.com/astaxie/beego"
	"github.com/jinzhu/gorm"
	_ "github.com/jinzhu/gorm/dialects/mysql" // mysql
)

var readDb *gorm.DB
var writeDb *gorm.DB
var readUserDb *gorm.DB
var writeUserDb *gorm.DB
var err error

func ConnectDB() {
	readHost := beego.AppConfig.String("readmysqlhost")
	readPort := beego.AppConfig.String("readmysqlport")
	readUser := beego.AppConfig.String("readmysqluser")
	readPass := beego.AppConfig.String("readmysqlpass")
	readName := beego.AppConfig.String("readmysqlname")

	writeHost := beego.AppConfig.String("writemysqlhost")
	writePort := beego.AppConfig.String("writemysqlport")
	writeUser := beego.AppConfig.String("writemysqluser")
	writePass := beego.AppConfig.String("writemysqlpass")
	writeName := beego.AppConfig.String("writemysqlname")

	readUserHost := beego.AppConfig.String("readuserhost")
	readUserPort := beego.AppConfig.String("readuserport")
	readUserUser := beego.AppConfig.String("readuseruser")
	readUserPass := beego.AppConfig.String("readuserpass")
	readUserName := beego.AppConfig.String("readusername")

	writeUserHost := beego.AppConfig.String("writeuserhost")
	writeUserPort := beego.AppConfig.String("writeuserport")
	writeUserUser := beego.AppConfig.String("writeuseruser")
	writeUserPass := beego.AppConfig.String("writeuserpass")
	writeUserName := beego.AppConfig.String("writeusername")

	rdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", readUser, readPass, readHost, readPort, readName)
	wdsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", writeUser, writePass, writeHost, writePort, writeName)

	rudsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", readUserUser, readUserPass, readUserHost, readUserPort, readUserName)
	wudsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=true", writeUserUser, writeUserPass, writeUserHost, writeUserPort, writeUserName)

	readDb, err = gorm.Open("mysql", rdsn)
	if err != nil {
		//beego.Error(err)
	}
	readDb.DB().SetMaxIdleConns(10)
	readDb.DB().SetMaxOpenConns(100)
	readDb.LogMode(true)

	writeDb, err = gorm.Open("mysql", wdsn)
	if err != nil {
		//beego.Error(err)
	}
	writeDb.DB().SetMaxIdleConns(10)
	writeDb.DB().SetMaxOpenConns(100)
	writeDb.LogMode(true)

	readUserDb, err = gorm.Open("mysql", rudsn)
	if err != nil {
		//beego.Error(err)
	}
	readUserDb.DB().SetMaxIdleConns(10)
	readUserDb.DB().SetMaxOpenConns(100)
	readUserDb.LogMode(true)

	writeUserDb, err = gorm.Open("mysql", wudsn)
	if err != nil {
		//beego.Error(err)
	}
	writeUserDb.DB().SetMaxIdleConns(10)
	writeUserDb.DB().SetMaxOpenConns(100)
	writeUserDb.LogMode(true)
}

func PatientReadDB() *gorm.DB {
	return readDb
}
func PatientWriteDB() *gorm.DB {
	return writeDb
}
func UserReadDB() *gorm.DB {
	return readUserDb
}
func UserWriteDB() *gorm.DB {
	return writeUserDb
}