package models

import (
	"encoding/json"
	"fmt"
	"oppmg/common/log"
	"time"

	"github.com/astaxie/beego/orm"
)

type Department struct {
	Id        int64     `orm:"column(id);auto"`
	CompanyId int64     `orm:"column(company_id)" description:"公司id"`
	Name      string    `orm:"column(name);size(30)" description:"部门名称"`
	CreateAt  time.Time `orm:"column(create_at);type(timestamp)" description:"创建时间"`
	ParentId  int64     `orm:"column(parent_id)" description:"父级id"`
	Relation  string    `orm:"column(relation);size(1024)" description:"父子级关系树"`
	DeleteAt  time.Time `orm:"column(delete_at);type(timestamp)" description:"删除时间"`
	UpdateAt  time.Time `orm:"column(update_at);type(timestamp)" description:"更新时间"`
	Member    int       `orm:"column(member)" description:"成员数量"`
	Manages   string    `orm:"column(managers)" description:"部门负责人id列表 json 数组 []"`
}

func (t *Department) TableName() string {
	return "department"
}

func init() {
	orm.RegisterModel(new(Department))
}

func (t *Department) GetManagesIds() []int64 {
	var r []int64
	err := json.Unmarshal([]byte(t.Manages), &r)
	if err != nil {
		log.Error(err.Error())
	}
	return r
}

func (t *Department) ParseManagesIds(v []int64) string {
	bt, _ := json.Marshal(v)
	return string(bt)
}

// AddDepartment insert a new Department into database and returns
// last inserted Id on success.
func AddDepartment(m *Department) (id int64, err error) {
	o := orm.NewOrm()
	id, err = o.Insert(m)
	return
}

// GetDepartmentById retrieves Department by Id. Returns error if
// Id doesn't exist
func GetDepartmentById(id int64) (v *Department, err error) {
	o := orm.NewOrm()
	v = &Department{Id: id}
	if err = o.Read(v); err == nil {
		return v, nil
	}
	return nil, err
}

// UpdateDepartment updates Department by Id and returns error if
// the record to be updated doesn't exist
func UpdateDepartmentById(m *Department, col []string, om ...orm.Ormer) (err error) {
	var o orm.Ormer
	if len(om) > 0 {
		o = om[0]
	} else {
		o = orm.NewOrm()
	}
	v := Department{Id: m.Id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Update(m, col...); err == nil {
			fmt.Println("Number of records updated in database:", num)
		}
	}
	return
}

// DeleteDepartment deletes Department by Id and returns error if
// the record to be deleted doesn't exist
func DeleteDepartment(id int64) (err error) {
	o := orm.NewOrm()
	v := Department{Id: id}
	// ascertain id exists in the database
	if err = o.Read(&v); err == nil {
		var num int64
		if num, err = o.Delete(&Department{Id: id}); err == nil {
			fmt.Println("Number of records deleted in database:", num)
		}
	}
	return
}

func GetDepartmentSubsetByRelation(relation string, om ...orm.Ormer) ([]Department, error) {
	dataSql := `SELECT company_id,parent_id,name,create_at,relation,member,managers 
				FROM department 
				WHERE  relation LIKE ? AND delete_at = 0`
	var (
		o      orm.Ormer
		result []Department
		err    error
	)
	like := relation + "%"
	if len(om) == 0 {
		o = orm.NewOrm()
	} else {
		o = om[0]
	}
	_, err = o.Raw(dataSql, like).QueryRows(&result)
	if err != nil {
		return nil, err
	}
	return result, nil
}