package mmysql

import (
	"../config"
	"database/sql"
	"log"
	"strings"
	//导入mysql的驱动
	_ "github.com/go-sql-driver/mysql"
)

type ServiceList struct {
	Id     int32  `service id`
	Name   string `service name`
	Host   string `hostip`
	area   string `area`
	port   int    `port`
	Url    string `monitor url`
	user   string `user`
	sendto string `alter message send to`
}

func GetServiceList(area string) (ss []ServiceList) {
	var myconn config.MysqlConf
	myconn.GetMysqlConn()

	path := strings.Join([]string{myconn.User, ":", myconn.Passwd, "@tcp(", myconn.Conn, ")/", "services", "?charset=utf8"}, "")

	//打开数据库,前者是驱动名，所以要导入： _ "github.com/go-sql-driver/mysql"
	db, _ := sql.Open("mysql", path)
	log.Printf("conn db %s", path)
	//设置数据库最大连接数
	db.SetConnMaxLifetime(100)
	//设置上数据库最大闲置连接数
	db.SetMaxIdleConns(10)
	//验证连接
	if err := db.Ping(); err != nil {
		log.Print("opon database fail")
		return
	}
	rows, err := db.Query("select id,name,host,url FROM  services.services_list  where area=?", area)
	//获取完毕释放rows，阻止更多的列举
	defer rows.Close()
	if err != nil {
		log.Println("获取错误:", err)
		return
	}
	//如果有数据记录Next指针就不为true
	var v []ServiceList
	for rows.Next() {
		var id int32
		var name string
		var host string
		var url string
		rows.Scan(&id, &name, &host, &url)
		var s ServiceList
		s.Id = id
		s.Name = name
		s.Host = host
		s.Url = url
		v = append(v, s)
		//log.Println(s)
	}
	//Err返回可能的、在迭代时出现的错误。Err需在显式或隐式调用Close方法后调用。
	err = rows.Err()
	if err != nil {
		log.Println("other error:", err)
		return v
	}

	//log.Println("return list with area", v)
	return v
}