package model

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

type (
	// PaymentType 支付方式
	PaymentType struct {
		Id   int    `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		Name string `json:"name" gorm:"column:name"`
	}

	// PaymentTypeSearch 支付方式搜索条件
	PaymentTypeSearch struct {
		PaymentType
		Orm         *gorm.DB
		QueryClass  constvar.PaymentTypeQueryClass
		KeywordType constvar.PaymentTypeKeywordType
		Keyword     string
		PageNum     int
		PageSize    int
	}
)

func (PaymentType) TableName() string {
	return "payment_type"
}

func NewPaymentTypeSearch() *PaymentTypeSearch {
	return &PaymentTypeSearch{
		Orm: mysqlx.GetDB(),
	}
}

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

	return db
}

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

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

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

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

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

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

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

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

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

func (slf *PaymentTypeSearch) Save(record *PaymentType) 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 *PaymentTypeSearch) Find() ([]*PaymentType, int64, error) {
	var db = slf.build()
	var records = make([]*PaymentType, 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 *PaymentTypeSearch) 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 := []*PaymentType{
		{1, "对公转账"},
		{2, "线下付款"},
		{3, "支票"},
		{4, "其他"},
	}
	err := slf.CreateBatch(records)
	if err != nil {
		errCh <- err
		return
	}
}