package models

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

type (
	// WarehouseMonthStats 按仓库进行月度统计
	WarehouseMonthStats struct {
		WmsModel
		Id          int             `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		WarehouseId int             `json:"warehouseId" gorm:"type:int;not null;default:0"`             //仓库ID
		ProductId   string          `json:"productId" gorm:"type:varchar(255);not null;comment:产品id"`   //产品id
		ProductName string          `json:"productName" gorm:"type:varchar(255);not null;comment:产品名称"` //产品名称
		Unit        string          `json:"unit" gorm:"type:char(10);not null;comment:单位"`              //单位
		SalePrice   decimal.Decimal `gorm:"type:decimal(35,18);comment:销售单价" json:"salePrice"`          //销售单价

		BeginAmount decimal.Decimal `json:"beginAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //期初数量
		EndAmount   decimal.Decimal `json:"amount" gorm:"type:decimal(30,10);not null;comment:数量"`      //期末结余数量

		InputAmount decimal.Decimal        `json:"inputAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //入库数量
		InputItems  []*WarehouseStatsItems `json:"inputMoreUnitsArr"`                                          //入库明细

		OutputAmount decimal.Decimal        `json:"outputAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //出库数量
		OutputItems  []*WarehouseStatsItems `json:"outputMoreUnitsArr"`                                          //出库明细

		Date string `json:"date" gorm:"index;type:varchar(255); not null;default ''"` //日期 2024-04
	}

	WarehouseStatsItems struct {
		WarehouseMonthStatsId int             `json:"warehouseMonthStatsId"`
		Name                  string          `json:"name" gorm:"type:varchar(255);not null;default:''"` //入库来源，出库去处
		Amount                decimal.Decimal `json:"amount" gorm:"type:decimal(30,10);not null;"`       //数量
	}

	WarehouseMonthStatsSearch struct {
		WarehouseMonthStats
		Order    string
		PageNum  int
		PageSize int
		Keyword  string
		Orm      *gorm.DB
		Preload  bool
		Fields   string
	}
)

func (slf *WarehouseStatsItems) TableName() string {
	return "wms_warehouse_month_stats_items"
}

func (slf *WarehouseMonthStats) TableName() string {
	return "wms_warehouse_month_stats"
}

func NewWarehouseMonthStatsSearch() *WarehouseMonthStatsSearch {
	return &WarehouseMonthStatsSearch{Orm: mysqlx.GetDB()}
}

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

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

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

func (slf *WarehouseMonthStatsSearch) SetID(id int) *WarehouseMonthStatsSearch {
	slf.Id = id
	return slf
}

func (slf *WarehouseMonthStatsSearch) SetKeyword(keyword string) *WarehouseMonthStatsSearch {
	slf.Keyword = keyword
	return slf
}

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

func (slf *WarehouseMonthStatsSearch) SetDate(date string) *WarehouseMonthStatsSearch {
	slf.Date = date
	return slf
}

func (slf *WarehouseMonthStatsSearch) SetFields(fields string) *WarehouseMonthStatsSearch {
	slf.Fields = fields
	return slf
}

func (slf *WarehouseMonthStatsSearch) SetWarehouseId(id int) *WarehouseMonthStatsSearch {
	slf.WarehouseId = id
	return slf
}

func (slf *WarehouseMonthStatsSearch) Save(record *WarehouseMonthStats) 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 *WarehouseMonthStatsSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&WarehouseMonthStats{})

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

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

	if slf.Keyword != "" {
		kw := fmt.Sprintf("%%%v%%", slf.Keyword)
		db = db.Where("product_id like ? or product_name like ?", kw, kw)
	}

	if slf.Date != "" {
		db = db.Where("date = ?", slf.Date)
	}

	if slf.Fields != "" {
		db = db.Select(slf.Fields)
	}

	if slf.WarehouseId != 0 {
		db = db.Where("warehouse_id = ?", slf.WarehouseId)
	}

	if slf.Preload {
		db = db.Preload("InputItems").Preload("OutputItems")
	}

	return db
}

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

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

	return nil
}

// CreateBatch 批量插入
func (slf *WarehouseMonthStatsSearch) CreateBatch(records []*WarehouseMonthStats) 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 *WarehouseMonthStatsSearch) Update(record *WarehouseMonthStats) error {
	var db = slf.build()

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

	return nil
}

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

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

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

	return record, nil
}

func (slf *WarehouseMonthStatsSearch) Find() ([]*WarehouseMonthStats, int64, error) {
	var (
		records = make([]*WarehouseMonthStats, 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 *WarehouseMonthStatsSearch) FindNotTotal() ([]*WarehouseMonthStats, error) {
	var (
		records = make([]*WarehouseMonthStats, 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 *WarehouseMonthStatsSearch) FindByQuery(query string, args []interface{}) ([]*WarehouseMonthStats, int64, error) {
	var (
		records = make([]*WarehouseMonthStats, 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 *WarehouseMonthStatsSearch) FindByQueryNotTotal(query string, args []interface{}) ([]*WarehouseMonthStats, error) {
	var (
		records = make([]*WarehouseMonthStats, 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 WarehouseMonthStatsMap(records []*WarehouseMonthStats) (m map[string]*WarehouseMonthStats) {
	m = make(map[string]*WarehouseMonthStats, len(records))
	for _, record := range records {
		m[record.ProductId] = record
	}
	return m
}

func (slf *WarehouseMonthStatsSearch) Count() (int64, error) {
	var (
		total int64
		db    = slf.build()
	)
	err := db.Count(&total).Error
	return total, err
}