package models

import (
	"fmt"
	"gorm.io/gorm"
	"wms/pkg/mysqlx"
)

type (
	// Department 部门信息
	Department struct {
		BaseModelInt
		ParentId uint          `gorm:"index;type:int;not null;comment:上级部门ID" json:"parentId"`      //上级部门ID
		Number   string        `gorm:"index;type:varchar(255);not null;comment:部门编号" json:"number"` //部门编号
		Name     string        `gorm:"index;type:varchar(255);not null;comment:部门名称" json:"name"`   //部门名称
		Remark   string        `gorm:"index;type:varchar(255);not null;comment:备注" json:"remark"`   //备注
		Head     string        `gorm:"index;type:varchar(255);not null;comment:部门负责人" json:"head"`  //部门负责人
		Sort     int           `gorm:"index;type:int;not null;comment:排序" json:"sort"`              //排序
		Children []*Department `json:"children" gorm:"-"`
	}

	DepartmentSearch struct {
		Department
		Order    string
		PageNum  int
		PageSize int
		Orm      *gorm.DB
	}
)

func (slf *Department) TableName() string {
	return "wms_department"
}

func NewDepartmentSearch() *DepartmentSearch {
	return &DepartmentSearch{Orm: mysqlx.GetDB()}
}

func (slf *DepartmentSearch) SetOrm(tx *gorm.DB) *DepartmentSearch {
	slf.Orm = tx
	return slf
}

func (slf *DepartmentSearch) SetPage(page, size int) *DepartmentSearch {
	slf.PageNum, slf.PageSize = page, size
	return slf
}

func (slf *DepartmentSearch) SetOrder(order string) *DepartmentSearch {
	slf.Order = order
	return slf
}

func (slf *DepartmentSearch) SetID(id uint) *DepartmentSearch {
	slf.ID = id
	return slf
}

func (slf *DepartmentSearch) SetParentId(parentId uint) *DepartmentSearch {
	slf.ParentId = parentId
	return slf
}

func (slf *DepartmentSearch) SetNumber(number string) *DepartmentSearch {
	slf.Number = number
	return slf
}

func (slf *DepartmentSearch) SetName(name string) *DepartmentSearch {
	slf.Name = name
	return slf
}

func (slf *DepartmentSearch) build() *gorm.DB {
	var db = slf.Orm.Table(slf.TableName())

	if slf.ID != 0 {
		db = db.Where("id = ?", slf.ID)
	}

	if slf.Order != "" {
		db = db.Order(slf.Order)
	}

	if slf.ParentId != 0 {
		db = db.Where("parent_id = ?", slf.ParentId)
	}

	if slf.Number != "" {
		db = db.Where("number = ?", slf.Number)
	}

	if slf.Name != "" {
		db = db.Where("name = ?", slf.Name)
	}

	return db
}

// Create 单条插入
func (slf *DepartmentSearch) Create(record *Department) error {
	var db = slf.build()

	if err := db.Create(record).Error; err != nil {
		return fmt.Errorf("create err: %v, record: %+v", err, record)
	}

	return nil
}

// CreateBatch 批量插入
func (slf *DepartmentSearch) CreateBatch(records []*Department) error {
	var db = slf.build()

	if err := db.Create(&records).Error; err != nil {
		return fmt.Errorf("create batch err: %v, records: %+v", err, records)
	}

	return nil
}

func (slf *DepartmentSearch) Save(record *Department) error {
	var db = slf.build()

	if err := db.Omit("CreatedAt").Save(record).Error; err != nil {
		return fmt.Errorf("save err: %v, record: %+v", err, record)
	}

	return nil
}

func (slf *DepartmentSearch) UpdateByMap(upMap map[string]interface{}) error {
	var (
		db = slf.build()
	)

	if err := db.Updates(upMap).Error; err != nil {
		return fmt.Errorf("update by map err: %v, upMap: %+v", err, upMap)
	}

	return nil
}

func (slf *DepartmentSearch) UpdateByQuery(query string, args []interface{}, upMap map[string]interface{}) error {
	var (
		db = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if err := db.Updates(upMap).Error; err != nil {
		return fmt.Errorf("update by query err: %v, query: %s, args: %+v, upMap: %+v", err, query, args, upMap)
	}

	return nil
}

func (slf *DepartmentSearch) Delete() error {
	var db = slf.build()

	if err := db.Unscoped().Delete(&Department{}).Error; err != nil {
		return err
	}

	return nil
}

func (slf *DepartmentSearch) First() (*Department, error) {
	var (
		record = new(Department)
		db     = slf.build()
	)

	if err := db.First(record).Error; err != nil {
		return record, err
	}

	return record, nil
}

func (slf *DepartmentSearch) Find() ([]*Department, int64, error) {
	var (
		records = make([]*Department, 0)
		total   int64
		db      = slf.build()
	)

	if err := db.Count(&total).Error; err != nil {
		return records, total, fmt.Errorf("find count err: %v", err)
	}
	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, total, fmt.Errorf("find records err: %v", err)
	}

	return records, total, nil
}

func (slf *DepartmentSearch) FindNotTotal() ([]*Department, error) {
	var (
		records = make([]*Department, 0)
		db      = slf.build()
	)

	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find records err: %v", err)
	}

	return records, nil
}

// FindByQuery 指定条件查询.
func (slf *DepartmentSearch) FindByQuery(query string, args []interface{}) ([]*Department, int64, error) {
	var (
		records = make([]*Department, 0)
		total   int64
		db      = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if err := db.Count(&total).Error; err != nil {
		return records, total, fmt.Errorf("find by query count err: %v", err)
	}
	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, total, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
	}

	return records, total, nil
}

// FindByQueryNotTotal 指定条件查询&不查询总条数.
func (slf *DepartmentSearch) FindByQueryNotTotal(query string, args []interface{}) ([]*Department, error) {
	var (
		records = make([]*Department, 0)
		db      = slf.Orm.Table(slf.TableName()).Where(query, args...)
	)

	if slf.PageNum*slf.PageSize > 0 {
		db = db.Offset((slf.PageNum - 1) * slf.PageSize).Limit(slf.PageSize)
	}
	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find by query records err: %v, query: %s, args: %+v", err, query, args)
	}

	return records, nil
}

// InitDefaultData 初始化数据
func (slf *DepartmentSearch) InitDefaultData() error {
	var (
		db          = slf.Orm.Table(slf.TableName())
		total int64 = 0
	)
	if err := db.Count(&total).Error; err != nil {
		return err
	}
	if total != 0 {
		return nil
	}
	departments := make([]*Department, 0, 3)
	departments = append(departments, &Department{Name: "财务部", Number: "cwb"})
	departments = append(departments, &Department{Name: "商务部", Number: "swb"})
	departments = append(departments, &Department{Name: "行政部", Number: "xzb"})
	return slf.CreateBatch(departments)
}