package promo

import (
	"context"

	promoModel "github.com/perfect-panel/server/internal/model/promo"
	"github.com/perfect-panel/server/internal/svc"
	"github.com/perfect-panel/server/internal/types"
	"github.com/perfect-panel/server/pkg/logger"
)

type GetPromoUsageListLogic struct {
	logger.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
}

// Get promo usage list
func NewGetPromoUsageListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetPromoUsageListLogic {
	return &GetPromoUsageListLogic{
		Logger: logger.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
	}
}

func (l *GetPromoUsageListLogic) GetPromoUsageList(req *types.GetPromoUsageListRequest) (*types.GetPromoUsageListResponse, error) {
	total, list, err := l.svcCtx.PromoModel.QueryUsageList(l.ctx, promoModel.UsageFilter{
		Page:        int(req.Page),
		Size:        int(req.Size),
		PromoRuleId: req.PromoRuleId,
		UserId:      req.UserId,
		SubscribeId: req.SubscribeId,
		OrderNo:     req.OrderNo,
	})
	if err != nil {
		l.Errorw("[GetPromoUsageList] Database Error", logger.Field("error", err.Error()))
		return nil, wrapQueryError("get promo usage list failed", err)
	}
	resp := &types.GetPromoUsageListResponse{
		Total: total,
		List:  make([]types.PromoUsage, 0, len(list)),
	}
	for _, item := range list {
		resp.List = append(resp.List, toUsageResponse(item))
	}
	return resp, nil
}