package roomturnoverreward

import (
	"context"
	"testing"
	"time"

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

func TestGetClaimStatusReturnsClaimableRecordWhenAutoRewardDisabled(t *testing.T) {
	service, db := newTestService(t)
	ctx := context.Background()
	autoRewardEnabled := false
	configResp, err := service.SaveConfig(ctx, SaveRoomTurnoverRewardConfigRequest{
		SysOrigin:         "LIKEI",
		Enabled:           true,
		AutoRewardEnabled: &autoRewardEnabled,
		Timezone:          "Asia/Riyadh",
		LevelConfigs: []RoomTurnoverRewardLevelInput{
			{Level: 1, TurnoverThreshold: 100000, RewardGold: 2000, Enabled: true},
		},
	})
	if err != nil {
		t.Fatalf("SaveConfig() error = %v", err)
	}
	record := seedRoomTurnoverRewardRecord(t, db, configResp.ID, roomTurnoverRewardStatusPending)

	resp, err := service.GetClaimStatus(ctx, common.AuthUser{UserID: record.OwnerUserID, SysOrigin: "LIKEI"})
	if err != nil {
		t.Fatalf("GetClaimStatus() error = %v", err)
	}
	if !resp.CanClaim || resp.Reason != "available" || resp.Record == nil || resp.Record.ID != record.ID {
		t.Fatalf("claim status = %+v", resp)
	}
}

func TestGetClaimStatusDisablesButtonWhenAutoRewardEnabled(t *testing.T) {
	service, db := newTestService(t)
	ctx := context.Background()
	configResp, err := service.SaveConfig(ctx, SaveRoomTurnoverRewardConfigRequest{
		SysOrigin: "LIKEI",
		Enabled:   true,
		Timezone:  "Asia/Riyadh",
		LevelConfigs: []RoomTurnoverRewardLevelInput{
			{Level: 1, TurnoverThreshold: 100000, RewardGold: 2000, Enabled: true},
		},
	})
	if err != nil {
		t.Fatalf("SaveConfig() error = %v", err)
	}
	record := seedRoomTurnoverRewardRecord(t, db, configResp.ID, roomTurnoverRewardStatusPending)

	resp, err := service.GetClaimStatus(ctx, common.AuthUser{UserID: record.OwnerUserID, SysOrigin: "LIKEI"})
	if err != nil {
		t.Fatalf("GetClaimStatus() error = %v", err)
	}
	if resp.CanClaim || resp.Reason != "auto_reward_enabled" {
		t.Fatalf("claim status = %+v", resp)
	}
}

func TestClaimRewardDispatchesGoldAndMarksRecordSuccess(t *testing.T) {
	service, db := newTestService(t)
	gateway := &stubRoomTurnoverRewardJavaGateway{}
	service.repo.Java = gateway
	ctx := context.Background()
	autoRewardEnabled := false
	configResp, err := service.SaveConfig(ctx, SaveRoomTurnoverRewardConfigRequest{
		SysOrigin:         "LIKEI",
		Enabled:           true,
		AutoRewardEnabled: &autoRewardEnabled,
		Timezone:          "Asia/Riyadh",
		LevelConfigs: []RoomTurnoverRewardLevelInput{
			{Level: 1, TurnoverThreshold: 100000, RewardGold: 2000, Enabled: true},
		},
	})
	if err != nil {
		t.Fatalf("SaveConfig() error = %v", err)
	}
	record := seedRoomTurnoverRewardRecord(t, db, configResp.ID, roomTurnoverRewardStatusPending)

	resp, err := service.ClaimReward(ctx, common.AuthUser{UserID: record.OwnerUserID, SysOrigin: "LIKEI"}, RoomTurnoverRewardClaimRequest{
		RecordID: flexibleInt64(record.ID),
	})
	if err != nil {
		t.Fatalf("ClaimReward() error = %v", err)
	}
	if !resp.Claimed || resp.Record.Status != roomTurnoverRewardStatusSuccess || resp.Record.SentAt == "" {
		t.Fatalf("claim response = %+v", resp)
	}
	if len(gateway.changed) != 1 {
		t.Fatalf("wallet change count = %d, want 1", len(gateway.changed))
	}
	if got := gateway.changed[0]; got.EventID != record.TrackID || got.UserID != record.OwnerUserID || got.Amount.DollarAmount != record.RewardGold {
		t.Fatalf("wallet command = %+v", got)
	}
	if len(gateway.markedIDs) != 1 || gateway.markedIDs[0] != record.SourceID {
		t.Fatalf("marked IDs = %+v", gateway.markedIDs)
	}

	var saved model.RoomTurnoverRewardRecord
	if err := db.Where("id = ?", record.ID).First(&saved).Error; err != nil {
		t.Fatalf("load saved record: %v", err)
	}
	if saved.Status != roomTurnoverRewardStatusSuccess || saved.SentAt == nil {
		t.Fatalf("saved record = %+v", saved)
	}
}

func seedRoomTurnoverRewardRecord(t *testing.T, db roomTurnoverRewardDB, configID int64, status string) model.RoomTurnoverRewardRecord {
	t.Helper()
	now := time.Now()
	record := model.RoomTurnoverRewardRecord{
		ID:                now.UnixNano(),
		ConfigID:          configID,
		SysOrigin:         "LIKEI",
		CycleKey:          "20260511",
		PeriodStartAt:     now.AddDate(0, 0, -7),
		PeriodEndAt:       now,
		RoomID:            101,
		RoomAccount:       "R101",
		RoomName:          "Owner room",
		OwnerUserID:       9001,
		TurnoverAmount:    120000,
		Level:             1,
		TurnoverThreshold: 100000,
		RewardGold:        2000,
		TrackID:           "room-turnover:LIKEI:20260511:101",
		SourceID:          "source-101",
		Status:            status,
		CreateTime:        now,
		UpdateTime:        now,
	}
	if err := db.WithContext(context.Background()).Create(&record).Error; err != nil {
		t.Fatalf("seed reward record: %v", err)
	}
	return record
}