package activity

import (
	"context"
	"time"

	"bindbox-game/internal/repository/mysql/dao"
	"bindbox-game/internal/repository/mysql/model"
)

// CreateIssueRewards 批量创建期奖励
// 参数: issueID 期ID, rewards 奖励创建输入数组
// 返回: 错误信息
func (s *service) CreateIssueRewards(ctx context.Context, issueID int64, rewards []CreateRewardInput) error {
	return s.writeDB.Transaction(func(tx *dao.Query) error {
		productIDs := make(map[int64]struct{})
		for _, r := range rewards {
			if r.ProductID > 0 {
				productIDs[r.ProductID] = struct{}{}
			}
		}
		productPriceMap := make(map[int64]int64)
		if len(productIDs) > 0 {
			ids := make([]int64, 0, len(productIDs))
			for id := range productIDs {
				ids = append(ids, id)
			}
			products, err := tx.Products.WithContext(ctx).Where(tx.Products.ID.In(ids...)).Find()
			if err != nil {
				return err
			}
			for _, p := range products {
				productPriceMap[p.ID] = p.Price
			}
		}

		for _, r := range rewards {
			item := &model.ActivityRewardSettings{
				IssueID:            issueID,
				ProductID:          r.ProductID,
				PriceSnapshotCents: productPriceMap[r.ProductID],
				PriceSnapshotAt:    time.Now(),
				Weight:             r.Weight,
				Quantity:           r.Quantity,
				OriginalQty:        r.OriginalQty,
				Level:              r.Level,
				Sort:               r.Sort,
				IsBoss:             r.IsBoss,
				MinScore:           r.MinScore,
			}
			if err := tx.ActivityRewardSettings.WithContext(ctx).Create(item); err != nil {
				return err
			}
		}
		return nil
	})
}