package dao

import (
	"errors"
	"fmt"
	"gorm.io/gorm"
	"time"
	"youngee_b_api/app/entity"
	"youngee_b_api/app/vo"
)

type SelectionInfoDAO struct{}

func (d SelectionInfoDAO) GetSelectionInfoById(selectionId string) (*entity.SelectionInfo, error) {
	var selectionInfo entity.SelectionInfo
	err := Db.Where("selection_id = ?", selectionId).First(&selectionInfo).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, nil
		} else {
			return nil, err
		}
	}
	return &selectionInfo, err
}

// 根据enterpriseId查询指定某天的所有带货数据
func (d SelectionInfoDAO) GetSelectionInfoListOfDay(enterpriseId string, date time.Time) ([]entity.SelectionInfo, error) {
	var selectionInfos []entity.SelectionInfo
	// 构建查询
	query := Db.Model(&entity.SelectionInfo{})
	if enterpriseId != "" {
		query = query.Where("enterprise_id = ?", enterpriseId)
	}
	// 将日期部分提取出来进行匹配
	query = query.Where("DATE(created_at) = ?", date.Format("2006-01-02"))
	err := query.Find(&selectionInfos).Error
	return selectionInfos, err
}

// 创建带货任务
func (d SelectionInfoDAO) CreateSelectionInfo(selectionInfo entity.SelectionInfo) error {
	err := Db.Omit("task_ddl", "submit_at", "pass_at", "pay_at", "finish_at", "auto_fail_at").Create(&selectionInfo).Error
	if err != nil {
		return err
	}
	return nil
}

// 更新带货任务
func (d SelectionInfoDAO) UpdateSelectionInfo(selectionInfo entity.SelectionInfo) error {
	err := Db.Model(&entity.SelectionInfo{}).Where("selection_id = ?", selectionInfo.SelectionID).Updates(selectionInfo).Error
	if err != nil {
		return err
	}
	return nil
}

// 获取带货任务列表
func (d SelectionInfoDAO) GetSelectionPreviews(param *vo.SelectionSearchParam) ([]vo.ReSelectionTaskPreview, int64, error) {
	var reSelectionTaskPreviews []vo.ReSelectionTaskPreview
	var selectionInfos []entity.SelectionInfo
	var total int64
	query := Db.Model(&entity.SelectionInfo{})
	// 动态添加查询条件
	if param.SubAccountId == 0 {
		if param.EnterpriseId == "" {
			return reSelectionTaskPreviews, 0, errors.New("enterpriseId is empty")
		}
		query = query.Where("enterprise_id = ?", param.EnterpriseId)
	} else {
		query = query.Where("sub_account_id = ?", param.SubAccountId)
	}
	if param.SelectionPlatform != 0 {
		query = query.Where("platform = ?", param.SelectionPlatform)
	}
	if param.SelectionStatus != 0 {
		query = query.Where("selection_status = ?", param.SelectionStatus)
	}
	// sample_mode 1、2、3分别表示免费领样(有领样策略)、垫付领样(3.0不用)、不提供样品(无领样策略)
	if param.FreeFlag == 1 {
		query = query.Where("sample_mode = ?", 1)
	} else if param.FreeFlag == 2 {
		query = query.Where("sample_mode = ?", 3)
	}
	// task_mode  1、2分别表示悬赏任务(有悬赏策略)、纯佣带货(无悬赏策略)
	if param.RewardFlag == 1 {
		query = query.Where("task_mode = ?", 1)
	} else if param.RewardFlag == 2 {
		query = query.Where("task_mode = ?", 2)
	}
	query.Count(&total)
	query = query.Select("enterprise_id, sub_account_id, selection_id, platform, selection_status, created_at, task_ddl, sample_num, enroll_num, choose_num, product_id")
	offset := (param.Page - 1) * param.PageSize
	if err := query.Order("created_at asc").Offset(offset).Limit(param.PageSize).Find(&selectionInfos).Error; err != nil {
		return nil, 0, err
	}
	for _, selectionInfo := range selectionInfos {
		reSelectionTaskPreview := vo.ReSelectionTaskPreview{
			EnterpriseId:      selectionInfo.EnterpriseID,
			SubAccountId:      selectionInfo.SubAccountId,
			SelectionId:       selectionInfo.SelectionID,
			SelectionPlatform: selectionInfo.Platform,
			SelectionStatus:   selectionInfo.SelectionStatus,
			CreatedAt:         selectionInfo.CreatedAt.Format("2006-01-02 15:04:05"),
			TaskDdl:           selectionInfo.TaskDdl.Format("2006-01-02 15:04:05"),
			SampleNum:         selectionInfo.SampleNum,
			EnrollNum:         selectionInfo.EnrollNum,
			ChooseNum:         selectionInfo.ChooseNum,
			ProductId:         selectionInfo.ProductID,
		}
		reSelectionTaskPreviews = append(reSelectionTaskPreviews, reSelectionTaskPreview)
	}

	return reSelectionTaskPreviews, total, nil
}

// 删除带货任务
func (d SelectionInfoDAO) DeleteSelection(selectionId string) (*string, error) {
	if selectionId == "" {
		return &selectionId, nil
	}
	err := Db.Where("selection_id = ?", selectionId).Delete(&entity.SelectionInfo{}).Error
	if err != nil {
		return nil, err
	}
	return &selectionId, nil
}

// 获取草稿箱——电商带货任务列表
func (d SelectionInfoDAO) GetSelectionDraftList(param *vo.SelectionDraftParam) ([]vo.ReSelectionTaskPreview, int64, error) {
	var reSelectionTaskPreviews []vo.ReSelectionTaskPreview
	var selectionInfos []entity.SelectionInfo
	var total int64
	query := Db.Model(&entity.SelectionInfo{}).Where("selection_status = ?", 1)
	// 动态添加查询条件
	if param.SubAccountId == 0 {
		if param.EnterpriseId == "" {
			return reSelectionTaskPreviews, 0, errors.New("enterpriseId is empty")
		}
		query = query.Where("enterprise_id = ?", param.EnterpriseId)
	} else {
		query = query.Where("sub_account_id = ?", param.SubAccountId)
	}
	if param.SelectionPlatform != 0 {
		query = query.Where("platform = ?", param.SelectionPlatform)
	}
	query.Count(&total)
	query = query.Select("enterprise_id, sub_account_id, selection_id, platform, created_at, product_id")
	offset := (param.Page - 1) * param.PageSize
	if err := query.Order("created_at asc").Offset(offset).Limit(param.PageSize).Find(&selectionInfos).Error; err != nil {
		return nil, 0, err
	}
	for _, selectionInfo := range selectionInfos {
		reSelectionTaskPreview := vo.ReSelectionTaskPreview{
			EnterpriseId:      selectionInfo.EnterpriseID,
			SubAccountId:      selectionInfo.SubAccountId,
			SelectionId:       selectionInfo.SelectionID,
			SelectionPlatform: selectionInfo.Platform,
			CreatedAt:         selectionInfo.CreatedAt.Format("2006-01-02 15:04:05"),
			ProductId:         selectionInfo.ProductID,
		}
		reSelectionTaskPreviews = append(reSelectionTaskPreviews, reSelectionTaskPreview)
	}

	return reSelectionTaskPreviews, total, nil
}

// 获取电商带货悬赏任务中全部指定状态值的项目
func (d SelectionInfoDAO) GetSelectionInfoList(value int64, fieldName string) ([]*entity.SelectionInfo, error) {
	var selectionInfos []*entity.SelectionInfo
	err := Db.Model(entity.SelectionInfo{}).Where(fmt.Sprintf("task_mode = ? AND %s = ? ", fieldName), 1, value).Find(&selectionInfos).Error
	if err != nil {
		return nil, err
	}
	return selectionInfos, nil
}

// 获取电商带货冻结中的任务
func (d SelectionInfoDAO) GetSelectionFrozenList(enterpriseId string) ([]*entity.SelectionInfo, error) {
	var selectionInfos []*entity.SelectionInfo
	query := Db.Debug().Model(entity.SelectionInfo{})
	query.Select("selection_id, product_id, enterprise_id, sub_account_id, platform, estimated_cost, pay_at") // 冻结金额：estimated_cost
	err := query.Where(fmt.Sprintf("enterprise_id = ? AND (selection_status between 5 and 6) "), enterpriseId).Find(&selectionInfos).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return selectionInfos, nil
		} else {
			return nil, err
		}
	}
	return selectionInfos, nil
}

// 获取电商带货冻结解除的任务
func (d SelectionInfoDAO) GetSelectionFrozenCancelList(enterpriseId string) ([]*entity.SelectionInfo, error) {
	var selectionInfos []*entity.SelectionInfo
	query := Db.Debug().Model(entity.SelectionInfo{})
	query.Select("selection_id, product_id, enterprise_id, sub_account_id, platform, settlement_amount, pay_at") // 解冻金额：settlement_amount
	err := query.Where(fmt.Sprintf("enterprise_id = ? AND (selection_status between 7 and 8) "), enterpriseId).Find(&selectionInfos).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return selectionInfos, nil
		} else {
			return nil, err
		}
	}
	return selectionInfos, nil
}