package dinglist

import (
	"sync"
	"time"

	"github.com/qit-team/snow-core/db"
)

var (
	once sync.Once
	m    *dinglistModel
)

/**
 * DingList
 */
type DingList struct {
	Id           int64 `xorm:"pk autoincr"` //注：使用getOne 或者ID() 需要设置主键
	DepartmentId int64
	UserId       string
	CreatedAt    time.Time `xorm:"created"`
}

/**
 * 表名规则
 * @wiki http://gobook.io/read/github.com/go-xorm/manual-zh-CN/chapter-02/3.tags.html
 */
func (m *DingList) TableName() string {
	return "dinglist"
}

/**
 * 私有化，防止被外部new
 */
type dinglistModel struct {
	db.Model //组合基础Model，集成基础Model的属性和方法
}

// 单例模式
func GetInstance() *dinglistModel {
	once.Do(func() {
		m = new(dinglistModel)
		//m.DiName = "" //设置数据库实例连接，默认db.SingletonMain
	})
	return m
}

/**
 * 查询主键ID的记录
 * @param id 主键ID
 * @return has 是否有记录
 * @return err 错误信息
 * @return dinglist 查询结果
 */
func (m *dinglistModel) GetById(id int64) (dinglist *DingList, has bool, err error) {
	dinglist = &DingList{}
	has, err = m.GetDb().ID(id).Get(dinglist)
	if err != nil || !has {
		dinglist = nil
	}
	return
}

func (m *dinglistModel) Search(id int64, departmentId int64, userId string, startTime string, endTime string, limit int, page int) (dinglist []*DingList, err error) {
	dinglist = make([]*DingList, 0)
	sql := "1=1"
	var args []interface{}
	if id != 0 {
		sql += " and id = ?"
		args = append(args, id)
	}
	if departmentId != 0 {
		sql += " and department_id = ?"
		args = append(args, departmentId)
	}
	if userId != "" {
		sql += " and user_id = ?"
		args = append(args, userId)
	}
	if startTime != "" && endTime != "" {
		sql += " and created_at >= ? and created_at <= ?"
		args = append(args, startTime, endTime)
	}
	err = m.GetDb().Where(sql, args...).OrderBy("created_at desc").Limit(limit, page).Find(&dinglist)
	return
}

func (m *dinglistModel) CountAll(id int64, departmentId int64, userId string, startTime string, endTime string, limit int, page int) (res int64, err error) {
	sql := "1=1"
	var args []interface{}
	if id != 0 {
		sql += " and id = ?"
		args = append(args, id)
	}
	if departmentId != 0 {
		sql += " and department_id = ?"
		args = append(args, departmentId)
	}
	if userId != "" {
		sql += " and user_id = ?"
		args = append(args, userId)
	}
	if startTime != "" && endTime != "" {
		sql += " and created_at >= ? and created_at <= ?"
		args = append(args, startTime, endTime)
	}
	res, err = m.GetDb().Table("dinglist").Where(sql, args...).Count()
	return
}

func (m *dinglistModel) Create(dinglist *DingList) (affected int64, err error) {
	dinglist.CreatedAt = time.Now()
	affected, err = m.GetDb().Insert(dinglist)
	return
}

func (m *dinglistModel) Update(dinglist *DingList) (affected int64, err error) {
	affected, err = m.GetDb().ID(dinglist.Id).Update(dinglist)
	return
}

func (m *dinglistModel) Delete(id int64) (affected int64, err error) {
	affected, err = m.GetDb().ID(id).Delete(&DingList{})
	return
}