package registerreward

import (
	"context"
	"time"

	"chatapp3-golang/internal/integration"
	"chatapp3-golang/internal/model"
)

const (
	// registerRewardNoticeType 是注册奖励实时通知的消息类型，供 app 侧按 socket 事件识别后弹奖励页。
	registerRewardNoticeType = "REGISTER_REWARD_GRANTED"
	// registerRewardNoticeTitle 是兜底展示标题；正常情况下端上会直接消费 expand 并展示奖励页。
	registerRewardNoticeTitle = "Register reward"
	// registerRewardNoticeContent 是兜底展示文案。
	registerRewardNoticeContent = "Reward granted"
)

// registerRewardNoticeExpand 是通过 IM/socket 下发给 app 的扩展载荷。
type registerRewardNoticeExpand struct {
	Scene           string `json:"scene"`                   // 固定业务场景，便于端上统一分发
	ShowRewardPopup bool   `json:"showRewardPopup"`         // 端上接到后是否直接展示奖励弹层
	UserID          int64  `json:"userId"`                  // 用户 ID
	SysOrigin       string `json:"sysOrigin"`               // 系统标识
	EventID         string `json:"eventId"`                 // 注册奖励事件 ID
	ClaimDate       string `json:"claimDate,omitempty"`     // 占用奖励日期
	ClaimResult     string `json:"claimResult"`             // 当前领取结果，注册奖励实际发放时固定为 REWARDED
	GoldAmount      int64  `json:"goldAmount"`              // 实际金币奖励
	RewardGroupID   *int64 `json:"rewardGroupId,omitempty"` // 实际道具奖励组 ID
}

// pushRewardArrivalNotice 在自动发奖成功后给用户推送一条实时官方通知，app 通过 noticeType + expand 弹奖励页。
func (s *RegisterRewardService) pushRewardArrivalNotice(
	ctx context.Context,
	event registerRewardEvent,
	logRecord *model.ResidentRegisterRewardLog,
	resolved registerRewardResolvedConfig,
) error {
	if event.UserID <= 0 {
		return nil
	}
	if resolved.GoldAmount <= 0 && resolved.RewardGroupID == nil {
		return nil
	}

	if err := s.java.SendOfficialNoticeCustomize(ctx, integration.OfficialNoticeCustomizeRequest{
		ToAccounts: []int64{event.UserID},
		NoticeType: registerRewardNoticeType,
		Title:      registerRewardNoticeTitle,
		Content:    registerRewardNoticeContent,
		Expand: registerRewardNoticeExpand{
			Scene:           "REGISTER_REWARD",
			ShowRewardPopup: true,
			UserID:          event.UserID,
			SysOrigin:       event.SysOrigin,
			EventID:         event.EventID,
			ClaimDate:       logRecord.ClaimDate,
			ClaimResult:     registerRewardClaimResultRewarded,
			GoldAmount:      resolved.GoldAmount,
			RewardGroupID:   resolved.RewardGroupID,
		},
	}); err != nil {
		return err
	}

	s.publishDebugNotice(RegisterRewardNoticeEvent{
		NoticeType:    registerRewardNoticeType,
		Scene:         "REGISTER_REWARD",
		UserID:        event.UserID,
		SysOrigin:     event.SysOrigin,
		EventID:       event.EventID,
		ClaimDate:     logRecord.ClaimDate,
		ClaimResult:   registerRewardClaimResultRewarded,
		GoldAmount:    resolved.GoldAmount,
		RewardGroupID: resolved.RewardGroupID,
		SentAt:        time.Now(),
	})
	return nil
}