package model

import (
	"aps_crm/constvar"
	"aps_crm/pkg/mysqlx"
	"errors"
	"fmt"
	"gorm.io/gorm"
	"sync"
)

type (
	// PriorityLevel 优先级别
	PriorityLevel struct {
		Id   int    `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		Name string `json:"name" gorm:"column:name"`
	}

	// PriorityLevelSearch 优先级别搜索条件
	PriorityLevelSearch struct {
		PriorityLevel
		Orm         *gorm.DB
		QueryClass  constvar.PriorityLevelQueryClass
		KeywordType constvar.PriorityLevelKeywordType
		Keyword     string
		PageNum     int
		PageSize    int
	}
)

func (PriorityLevel) TableName() string {
	return "priority_level"
}

func NewPriorityLevelSearch() *PriorityLevelSearch {
	return &PriorityLevelSearch{
		Orm: mysqlx.GetDB(),
	}
}

func (slf *PriorityLevelSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&PriorityLevel{})
	if slf.Id != 0 {
		db = db.Where("id = ?", slf.Id)
	}

	return db
}

func (slf *PriorityLevelSearch) Create(record *PriorityLevel) error {
	var db = slf.build()
	return db.Create(record).Error
}

func (slf *PriorityLevelSearch) CreateBatch(records []*PriorityLevel) error {
	var db = slf.build()
	return db.Create(records).Error
}

func (slf *PriorityLevelSearch) Delete() error {
	var db = slf.build()
	return db.Delete(&PriorityLevel{}).Error
}

func (slf *PriorityLevelSearch) Update(record *PriorityLevel) error {
	var db = slf.build()
	return db.Updates(record).Error
}

func (slf *PriorityLevelSearch) FindAll() ([]*PriorityLevel, error) {
	var db = slf.build()
	var record = make([]*PriorityLevel, 0)
	err := db.Find(&record).Error
	return record, err
}

func (slf *PriorityLevelSearch) SetId(id int) *PriorityLevelSearch {
	slf.Id = id
	return slf
}

func (slf *PriorityLevelSearch) First() (*PriorityLevel, error) {
	var db = slf.build()
	var record = new(PriorityLevel)
	err := db.First(record).Error
	return record, err
}

func (slf *PriorityLevelSearch) Updates(values interface{}) error {
	var db = slf.build()
	return db.Updates(values).Error
}

func (slf *PriorityLevelSearch) Save(record *PriorityLevel) error {
	if record.Id == 0 {
		return errors.New("id为空")
	}
	var db = slf.build()

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

	return nil
}

func (slf *PriorityLevelSearch) Find() ([]*PriorityLevel, int64, error) {
	var db = slf.build()
	var records = make([]*PriorityLevel, 0)
	var total int64
	if err := db.Count(&total).Error; err != nil {
		return records, total, err
	}
	if slf.PageNum > 0 && slf.PageSize > 0 {
		db = db.Limit(slf.PageSize).Offset((slf.PageNum - 1) * slf.PageSize)
	}

	err := db.Find(&records).Error
	return records, total, err
}

// InitDefaultData 初始化数据
func (slf *PriorityLevelSearch) InitDefaultData(errCh chan<- error, wg *sync.WaitGroup) {
	var (
		db          = slf.Orm.Table(slf.TableName())
		total int64 = 0
	)
	defer wg.Done()

	if err := db.Count(&total).Error; err != nil {
		errCh <- err
		return
	}
	if total != 0 {
		return
	}
	records := []*PriorityLevel{
		{1, "低"},
		{2, "一般"},
		{3, "高"},
		{4, "紧急"},
	}
	err := slf.CreateBatch(records)
	if err != nil {
		errCh <- err
		return
	}
}