package luckygift

import (
	"chatapp3-golang/internal/config"
	"testing"
)

// TestBuildLuckyGiftSignature 校验签名生成结果稳定且符合预期。
func TestBuildLuckyGiftSignature(t *testing.T) {
	payload := map[string]any{
		"app_channel":  "android",
		"app_id":       "1001",
		"gift_id":      int64(111),
		"gift_is_free": 0,
		"gift_num":     int64(17),
		"gift_price":   int64(150),
		"order_id":     []string{"LG_90001", "LG_90002"},
		"room_id":      int64(12345),
		"timestamp":    int64(1713270000),
		"user_id":      int64(67890),
	}

	signature, err := buildLuckyGiftSignature(payload, "app-secret")
	if err != nil {
		t.Fatalf("buildLuckyGiftSignature returned error: %v", err)
	}
	if signature != "70d22e13f3665c3d1ac784f1008e2241" {
		t.Fatalf("unexpected signature: %s", signature)
	}
}

// TestParseLuckyGiftProviderResponseSuccess 校验三方正常回包解析逻辑。
func TestParseLuckyGiftProviderResponseSuccess(t *testing.T) {
	raw := `{"code":200,"message":"ok","data":{"order_list":[{"order_id":"LG_90001","is_win":0,"reward_num":0},{"order_id":"LG_90002","is_win":1,"reward_num":300}]}}`
	orders := []LuckyGiftDrawOrderInput{
		{ID: "90001", AcceptUserID: 2001},
		{ID: "90002", AcceptUserID: 2002},
	}

	code, results, rewardTotal, err := parseLuckyGiftProviderResponse(raw, orders)
	if err != nil {
		t.Fatalf("parseLuckyGiftProviderResponse returned error: %v", err)
	}
	if code != 200 {
		t.Fatalf("unexpected provider code: %d", code)
	}
	if rewardTotal != 300 {
		t.Fatalf("unexpected rewardTotal: %d", rewardTotal)
	}
	if len(results) != 2 || results[1].RewardNum != 300 || !results[1].IsWin {
		t.Fatalf("unexpected results: %+v", results)
	}
}

// TestParseLuckyGiftProviderResponseSupportsUppercaseOrderList 校验兼容大写字段名的回包。
func TestParseLuckyGiftProviderResponseSupportsUppercaseOrderList(t *testing.T) {
	raw := `{"code":200,"docs":"成功","data":{"OrderList":[{"order_id":"LG_90001","is_win":0,"reward_num":0}]}}`
	orders := []LuckyGiftDrawOrderInput{
		{ID: "90001", AcceptUserID: 2001},
	}

	code, results, rewardTotal, err := parseLuckyGiftProviderResponse(raw, orders)
	if err != nil {
		t.Fatalf("parseLuckyGiftProviderResponse returned error: %v", err)
	}
	if code != 200 || rewardTotal != 0 {
		t.Fatalf("unexpected result: code=%d rewardTotal=%d", code, rewardTotal)
	}
	if len(results) != 1 || results[0].OrderID != "LG_90001" {
		t.Fatalf("unexpected results: %+v", results)
	}
}

// TestParseLuckyGiftProviderResponseFuse 校验三方熔断码会被解释为全未中奖结果。
func TestParseLuckyGiftProviderResponseFuse(t *testing.T) {
	raw := `{"code":501,"message":"fused","data":{"order_list":[]}}`
	orders := []LuckyGiftDrawOrderInput{
		{ID: "90001", AcceptUserID: 2001},
		{ID: "90002", AcceptUserID: 2002},
	}

	code, results, rewardTotal, err := parseLuckyGiftProviderResponse(raw, orders)
	if err != nil {
		t.Fatalf("parseLuckyGiftProviderResponse returned error: %v", err)
	}
	if code != 501 || rewardTotal != 0 {
		t.Fatalf("unexpected fuse result: code=%d rewardTotal=%d", code, rewardTotal)
	}
	if len(results) != 2 || results[0].RewardNum != 0 || results[1].RewardNum != 0 {
		t.Fatalf("unexpected results: %+v", results)
	}
}

// TestParseLuckyGiftProviderResponseOrderCountMismatch 校验订单数量不一致时报错。
func TestParseLuckyGiftProviderResponseOrderCountMismatch(t *testing.T) {
	raw := `{"code":200,"message":"ok","data":{"order_list":[{"order_id":"LG_90001","is_win":1,"reward_num":100}]}}`
	orders := []LuckyGiftDrawOrderInput{
		{ID: "90001", AcceptUserID: 2001},
		{ID: "90002", AcceptUserID: 2002},
	}

	if _, _, _, err := parseLuckyGiftProviderResponse(raw, orders); err == nil {
		t.Fatalf("expected order count mismatch error")
	}
}

// TestBuildLuckyGiftProviderPayloadUsesStringRoomAndUserIDs 校验三方请求体里的房间和用户 ID 使用字符串格式。
func TestBuildLuckyGiftProviderPayloadUsesStringRoomAndUserIDs(t *testing.T) {
	payload, err := buildLuckyGiftProviderPayload(config.LuckyGiftProviderConfig{
		AppID:      "9291",
		AppChannel: "likei",
		AppKey:     "shared-key",
	}, LuckyGiftDrawRequest{
		RoomID:     2043938895665598465,
		SendUserID: 4569421795454615552,
		GiftID:     2044387508480962561,
		GiftPrice:  100,
		GiftNum:    1,
		Orders: []LuckyGiftDrawOrderInput{
			{ID: "1900012345678901101", AcceptUserID: 4569421795454615552},
		},
	})
	if err != nil {
		t.Fatalf("buildLuckyGiftProviderPayload returned error: %v", err)
	}
	if _, ok := payload["room_id"].(string); !ok {
		t.Fatalf("expected room_id to be string, got %T", payload["room_id"])
	}
	if _, ok := payload["user_id"].(string); !ok {
		t.Fatalf("expected user_id to be string, got %T", payload["user_id"])
	}
}

// TestFindLuckyGiftConfigFallback 校验档位未命中时会回退到默认配置。
func TestFindLuckyGiftConfigFallback(t *testing.T) {
	configs := []config.LuckyGiftProviderConfig{
		{StandardID: 0, URL: "https://default.example", AppID: "1", AppChannel: "android", AppKey: "k1"},
		{StandardID: 18816, URL: "https://18816.example", AppID: "2", AppChannel: "ios", AppKey: "k2"},
	}

	cfg, ok := findLuckyGiftConfig(configs, 18816)
	if !ok || cfg.URL != "https://18816.example" {
		t.Fatalf("expected exact match, got ok=%v cfg=%+v", ok, cfg)
	}
	cfg, ok = findLuckyGiftConfig(configs, 999)
	if !ok || cfg.URL != "https://default.example" {
		t.Fatalf("expected fallback match, got ok=%v cfg=%+v", ok, cfg)
	}
}