package models

import (
	"fmt"
	"github.com/shopspring/decimal"
	"gorm.io/gorm"
	"silkserver/pkg/mysqlx"
)

type (
	// Shift 班次
	Shift struct {
		BaseModelString
		Name          string          `gorm:"unique;type:varchar(191);not null;comment:班次名称" json:"name"`
		ShiftDuration decimal.Decimal `json:"shiftDuration"` // 班次时长
		ShiftTime     []*ShiftTime    `json:"shiftTime"`     // 班次时间
	}

	ShiftSearch struct {
		Shift
		Preload  bool
		Order    string
		PageNum  int
		PageSize int
		Orm      *gorm.DB
	}
)

func (slf Shift) TableName() string {
	return "shift"
}

func NewShiftSearch() *ShiftSearch {
	return &ShiftSearch{Orm: mysqlx.GetDB()}
}

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

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

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

func (slf *ShiftSearch) SetID(id string) *ShiftSearch {
	slf.ID = id
	return slf
}

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

func (slf *ShiftSearch) SetPreload(preload bool) *ShiftSearch {
	slf.Preload = preload
	return slf
}

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

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

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

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

	if slf.Preload {
		db = db.Model(&Shift{}).Preload("ShiftTime")
	}
	return db
}

// Create 单条插入
func (slf *ShiftSearch) Create(record *Shift) 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 *ShiftSearch) CreateBatch(records []*Shift) 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 *ShiftSearch) Save(record *Shift) 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 *ShiftSearch) 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 *ShiftSearch) 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 *ShiftSearch) Delete() error {
	var db = slf.build()

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

	return nil
}

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

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

	return record, nil
}

func (slf *ShiftSearch) Find() ([]*Shift, int64, error) {
	var (
		records = make([]*Shift, 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 *ShiftSearch) FindNotTotal() ([]*Shift, error) {
	var (
		records = make([]*Shift, 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 *ShiftSearch) FindByQuery(query string, args []interface{}) ([]*Shift, int64, error) {
	var (
		records = make([]*Shift, 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 *ShiftSearch) FindByQueryNotTotal(query string, args []interface{}) ([]*Shift, error) {
	var (
		records = make([]*Shift, 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
}

func (slf *ShiftSearch) FindAll() ([]*Shift, error) {
	var (
		records = make([]*Shift, 0)
		db      = slf.build()
	)
	if err := db.Find(&records).Error; err != nil {
		return records, fmt.Errorf("find records err: %v", err)
	}

	return records, nil
}