package service

import (
	"errors"

	"shop-api/dto"
	"shop-api/global"
	"shop-api/model"
	"shop-api/model/request"
)

func GetUserAddressList(userID string, info *request.ReqAddress) (error, any) {
	var (
		err  error
		list []model.Address
	)
	db := global.MG_DB.Model(&model.Address{}).Where("user_id=?", userID)
	if info.ID != 0 {
		db = db.Where("id=?", info.ID)
	}
	err = db.Find(&list).Error
	if err != nil {
		return errors.New("获取收货地址失败"), nil
	}
	return nil, list
}

func AddUserAddressList(userID string, req *dto.CreateAddressRequest) error {
	var err error

	if req.FirstName == "" || req.LastName == "" || req.Bldg == "" || req.City == "" || req.Street == "" || req.State == "" || req.ZipCode == "" {
		return errors.New("有必填项未填写")
	}
	if len(req.FirstName) > 255 {
		return errors.New("FirstName长度超出限制")
	}
	if len(req.LastName) > 255 {
		return errors.New("LastName长度超出限制")
	}
	if len(req.Street) > 255 {
		return errors.New("Street长度超出限制")
	}
	if len(req.Bldg) > 255 {
		return errors.New("Bldg长度超出限制")
	}
	if len(req.City) > 255 {
		return errors.New("City长度超出限制")
	}
	if len(req.State) > 255 {
		return errors.New("State长度超出限制")
	}
	if len(req.ZipCode) > 255 {
		return errors.New("ZipCode长度超出限制")
	}
	if len(req.Phone) > 20 {
		return errors.New("Phone长度超出限制")
	}
	if req.Default == 1 {
		global.MG_DB.Model(&model.Address{}).Where("user_id=?", userID).Update("default", 2)
	}
	err = global.MG_DB.Model(&model.Address{}).Create(&model.Address{
		UserID:    userID,
		FirstName: req.FirstName,
		LastName:  req.LastName,
		Street:    req.Street,
		Phone:     req.Phone,
		Bldg:      req.Bldg,
		City:      req.City,
		State:     req.State,
		ZipCode:   req.ZipCode,
		Default:   int(req.Default),
	}).Error
	if err != nil {
		return errors.New("添加收货地址失败")
	}
	return nil
}

func UpdateAddress(userID string, req *dto.UpdateAddressRequest) error {
	var err error
	if req.FirstName == "" || req.LastName == "" || req.Bldg == "" || req.City == "" || req.Street == "" || req.State == "" || req.ZipCode == "" {
		return errors.New("有必填项未填写")
	}
	if len(req.FirstName) > 255 {
		return errors.New("FirstName长度超出限制")
	}
	if len(req.LastName) > 255 {
		return errors.New("LastName长度超出限制")
	}
	if len(req.Street) > 255 {
		return errors.New("Street长度超出限制")
	}
	if len(req.Bldg) > 255 {
		return errors.New("Bldg长度超出限制")
	}
	if len(req.City) > 255 {
		return errors.New("City长度超出限制")
	}
	if len(req.State) > 255 {
		return errors.New("State长度超出限制")
	}
	if len(req.ZipCode) > 255 {
		return errors.New("ZipCode长度超出限制")
	}
	if len(req.Phone) > 20 {
		return errors.New("Phone长度超出限制")
	}

	if req.Default == 1 {
		global.MG_DB.Model(&model.Address{}).Where("user_id=?", userID).Update("default", 2)
	}
	err = global.MG_DB.Model(&model.Address{}).Where("user_id=? and id=?", userID, req.Id).Updates(&model.Address{
		FirstName: req.FirstName,
		LastName:  req.LastName,
		Street:    req.Street,
		Phone:     req.Phone,
		Bldg:      req.Bldg,
		City:      req.City,
		State:     req.State,
		ZipCode:   req.ZipCode,
		Default:   int(req.Default),
	}).Error
	if err != nil {
		return errors.New("修改收货地址失败")
	}
	return nil
}

func DeleteAddress(userID string, ID *global.BASE_ID) error {
	var err error
	err = global.MG_DB.Model(&model.Address{}).Where("user_id=? and id=?", userID, ID.ID).Delete(&model.Address{}).Error
	if err != nil {
		return errors.New("删除收货地址失败")
	}
	return nil
}

func GetUsSelect() (error, any) {
	var (
		err  error
		list []model.UsSelect
		data []model.UsCitys
	)
	err = global.MG_DB.Model(&model.UsStates{}).Find(&list).Error
	if err != nil {
		return errors.New("获取地址失败"), nil
	}
	err = global.MG_DB.Model(&model.UsCitys{}).Find(&data).Error
	if err != nil {
		return errors.New("获取地址失败"), nil
	}
	for v := range list {
		for x := range data {
			if data[x].IDState == list[v].ID {
				list[v].Child = append(list[v].Child, data[x])
			}
		}
	}
	return nil, list
}