package models

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

type (
	// MonthStats 移动历史
	MonthStats struct {
		WmsModel
		Id          int    `json:"id" gorm:"column:id;primary_key;AUTO_INCREMENT"`
		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

		BeginAmount       decimal.Decimal `json:"beginAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //期初数量
		BeginMoreUnitsArr []UnitItems     `json:"beginMoreUnitsArr" gorm:"-"`                                 //期初其他单位数组
		BeginMoreUnits    string          `json:"-" gorm:"type:varchar(1000);not null;default:''"`            //期初其他单位json字符串

		InputAmount       decimal.Decimal `json:"inputAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //入库数量
		InputMoreUnitsArr []UnitItems     `json:"inputMoreUnitsArr" gorm:"-"`                                 //入库其他单位数组
		InputMoreUnits    string          `json:"-" gorm:"type:varchar(1000);not null;default:''"`            //入库其他单位json字符串

		OutputAmount       decimal.Decimal `json:"outputAmount" gorm:"type:decimal(30,10);not null;comment:数量"` //出库数量
		OutputMoreUnitsArr []UnitItems     `json:"outputMoreUnitsArr" gorm:"-"`                                 //出库其他单位数组
		OutputMoreUnits    string          `json:"-" gorm:"type:varchar(1000);not null;default:''"`             //出库其他单位json字符串

		EndAmount       decimal.Decimal `json:"amount" gorm:"type:decimal(30,10);not null;comment:数量"` //期末结余数量
		EndMoreUnitsArr []UnitItems     `json:"MoreUnitsArr" gorm:"-"`                                 //期末其他单位数组
		EndMoreUnits    string          `json:"-" gorm:"type:varchar(1000);not null;default:''"`       //期末其他单位json字符串

		Weight decimal.Decimal `json:"weight" gorm:"type:decimal(20,5);not null;comment:重量"`     //重量
		Date   string          `json:"date" gorm:"index;type:varchar(255); not null;default ''"` //日期 2024-04
	}

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

func (slf *MonthStats) TableName() string {
	return "wms_month_stats"
}

func (slf *MonthStats) BeforeCreate(tx *gorm.DB) error {
	if len(slf.BeginMoreUnitsArr) != 0 {
		str, err := json.Marshal(slf.BeginMoreUnitsArr)
		if err != nil {
			return err
		}
		slf.BeginMoreUnits = string(str)
	}
	if len(slf.EndMoreUnitsArr) != 0 {
		str, err := json.Marshal(slf.EndMoreUnitsArr)
		if err != nil {
			return err
		}
		slf.EndMoreUnits = string(str)
	}
	if len(slf.InputMoreUnitsArr) != 0 {
		str, err := json.Marshal(slf.InputMoreUnitsArr)
		if err != nil {
			return err
		}
		slf.InputMoreUnits = string(str)
	}
	if len(slf.OutputMoreUnitsArr) != 0 {
		str, err := json.Marshal(slf.OutputMoreUnitsArr)
		if err != nil {
			return err
		}
		slf.OutputMoreUnits = string(str)
	}
	return nil
}

func (slf *MonthStats) AfterFind(tx *gorm.DB) error {
	if slf.BeginMoreUnits != "" {
		var arr []UnitItems
		err := json.Unmarshal([]byte(slf.BeginMoreUnits), &arr)
		if err != nil {
			return err
		}
		slf.BeginMoreUnitsArr = arr
	}
	if slf.EndMoreUnits != "" {
		var arr []UnitItems
		err := json.Unmarshal([]byte(slf.EndMoreUnits), &arr)
		if err != nil {
			return err
		}
		slf.EndMoreUnitsArr = arr
	}
	if slf.InputMoreUnits != "" {
		var arr []UnitItems
		err := json.Unmarshal([]byte(slf.InputMoreUnits), &arr)
		if err != nil {
			return err
		}
		slf.InputMoreUnitsArr = arr
	}
	if slf.OutputMoreUnits != "" {
		var arr []UnitItems
		err := json.Unmarshal([]byte(slf.OutputMoreUnits), &arr)
		if err != nil {
			return err
		}
		slf.OutputMoreUnitsArr = arr
	}
	return nil
}

func NewMonthStatsSearch() *MonthStatsSearch {
	return &MonthStatsSearch{Orm: mysqlx.GetDB()}
}

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

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

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

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

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

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

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

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

func (slf *MonthStatsSearch) build() *gorm.DB {
	var db = slf.Orm.Model(&MonthStats{})

	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)
	}

	return db
}

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

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

	return nil
}

// CreateBatch 批量插入
func (slf *MonthStatsSearch) CreateBatch(records []*MonthStats) 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 *MonthStatsSearch) Update(record *MonthStats) 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 *MonthStatsSearch) 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 *MonthStatsSearch) 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 *MonthStatsSearch) Delete() error {
	var db = slf.build()
	return db.Delete(&MonthStats{}).Error
}

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

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

	return record, nil
}

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

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