// Package config 验证 room-service 本地 YAML 配置契约。
package config

import (
	"testing"
	"time"
)

// TestLoad 验证 room-service 的本地 config.yaml 能被正常读取。
func TestLoad(t *testing.T) {
	// 读取真实本地配置，确保端口和关键下游地址没有漂移。
	cfg, err := Load("../../configs/config.yaml")
	if err != nil {
		t.Fatalf("Load failed: %v", err)
	}

	// room-service 业务只走 gRPC，HTTP health 仅服务 CLB 探活，端口必须保持 13xxx 约束。
	if cfg.GRPCAddr != ":13001" {
		t.Fatalf("unexpected grpc addr: %s", cfg.GRPCAddr)
	}
	if cfg.HealthHTTPAddr != ":13101" {
		t.Fatalf("unexpected health http addr: %s", cfg.HealthHTTPAddr)
	}
	if cfg.AdvertiseAddr != "127.0.0.1:13001" || cfg.NodeRegistryTTL != 30*time.Second || cfg.NodeRegistryHeartbeatInterval != 10*time.Second || cfg.OwnerForwardTimeout != 2*time.Second {
		t.Fatalf("unexpected owner routing config: advertise=%s ttl=%s heartbeat=%s timeout=%s", cfg.AdvertiseAddr, cfg.NodeRegistryTTL, cfg.NodeRegistryHeartbeatInterval, cfg.OwnerForwardTimeout)
	}

	// lease TTL 是故障接管抖动窗口的基础参数。
	if cfg.LeaseTTL != 10*time.Second {
		t.Fatalf("unexpected lease ttl: %s", cfg.LeaseTTL)
	}

	// SendGift 主链路依赖 wallet-service，默认地址必须与本地编排一致。
	if cfg.WalletServiceAddr != "127.0.0.1:13004" {
		t.Fatalf("unexpected wallet addr: %s", cfg.WalletServiceAddr)
	}
	if !cfg.OutboxWorker.Enabled || cfg.OutboxWorker.PublishMode != OutboxPublishModeMQ || cfg.OutboxWorker.PollInterval != time.Second || cfg.OutboxWorker.BatchSize != 100 || cfg.OutboxWorker.PublishTimeout != 3*time.Second || cfg.OutboxWorker.RetryStrategy != "exponential_backoff" || cfg.OutboxWorker.MaxRetryCount != 10 || cfg.OutboxWorker.InitialBackoff != 5*time.Second || cfg.OutboxWorker.MaxBackoff != 5*time.Minute {
		t.Fatalf("unexpected outbox worker config: %+v", cfg.OutboxWorker)
	}
	// 本地默认也走 room_outbox MQ、IM bridge 和火箭延迟唤醒，避免本地直投和线上 MQ 语义分叉。
	if !cfg.RocketMQ.Enabled || !cfg.RocketMQ.RoomOutbox.Enabled || !cfg.RocketMQ.RoomOutbox.TencentIMConsumerEnabled || !cfg.RocketMQ.RocketLaunch.Enabled || !cfg.RocketMQ.UserOutbox.Enabled {
		t.Fatalf("local config must enable room MQ fanout and IM bridge: %+v", cfg.RocketMQ)
	}
}

// TestLoadTencentExample 验证线上腾讯云 IM 模板能覆盖本地默认配置。
func TestLoadTencentExample(t *testing.T) {
	cfg, err := Load("../../configs/config.tencent.example.yaml")
	if err != nil {
		t.Fatalf("Load tencent example failed: %v", err)
	}

	if !cfg.TencentIM.Enabled {
		t.Fatalf("tencent example should enable Tencent IM bridge")
	}
	if cfg.TencentIM.SDKAppID == 0 || cfg.TencentIM.SecretKey == "" {
		t.Fatalf("sdk_app_id and secret_key templates must be present")
	}
	if cfg.TencentIM.AdminIdentifier == "" {
		t.Fatalf("admin_identifier template must be present")
	}
	if cfg.TencentIM.Endpoint == "" || cfg.TencentIM.GroupType == "" {
		t.Fatalf("endpoint and group_type templates must be present")
	}
	if cfg.TencentIM.RequestTimeout != 5*time.Second {
		t.Fatalf("unexpected request timeout: %s", cfg.TencentIM.RequestTimeout)
	}
	if cfg.AdvertiseAddr == "" || cfg.AdvertiseAddr == "room-service.internal:13001" {
		t.Fatalf("tencent example must use per-instance advertise_addr, got %q", cfg.AdvertiseAddr)
	}
	if !cfg.OutboxWorker.Enabled || cfg.OutboxWorker.RetryStrategy != "exponential_backoff" || cfg.OutboxWorker.MaxRetryCount != 10 {
		t.Fatalf("tencent example must configure outbox worker: %+v", cfg.OutboxWorker)
	}
	if cfg.OutboxWorker.PublishMode != OutboxPublishModeMQ || !cfg.RocketMQ.RoomOutbox.Enabled || !cfg.RocketMQ.RocketLaunch.Enabled {
		t.Fatalf("tencent example must route room outbox and rocket launch through RocketMQ: mode=%s mq=%+v", cfg.OutboxWorker.PublishMode, cfg.RocketMQ)
	}
}

func TestLoadDockerConfigStartsRoomIMBridgeWhenOutboxUsesMQ(t *testing.T) {
	cfg, err := Load("../../configs/config.docker.yaml")
	if err != nil {
		t.Fatalf("Load docker config failed: %v", err)
	}

	if cfg.OutboxWorker.PublishMode != OutboxPublishModeMQ {
		t.Fatalf("docker config should publish room outbox through MQ, got %q", cfg.OutboxWorker.PublishMode)
	}
	if !cfg.RocketMQ.RoomOutbox.Enabled {
		t.Fatalf("docker config must enable room outbox MQ")
	}
	if !cfg.RocketMQ.RoomOutbox.TencentIMConsumerEnabled {
		t.Fatalf("docker mq room outbox must start Tencent IM bridge consumer")
	}
	if !cfg.TencentIM.Enabled {
		t.Fatalf("Tencent IM bridge consumer requires tencent_im.enabled")
	}
}

func TestNormalizeRejectsUnknownOutboxRetryStrategy(t *testing.T) {
	cfg := Default()
	cfg.OutboxWorker.RetryStrategy = "exponential"

	if _, err := Normalize(cfg); err == nil {
		t.Fatal("Normalize should reject unsupported outbox retry_strategy")
	}
}

func TestNormalizeRejectsUnknownOutboxPublishMode(t *testing.T) {
	cfg := Default()
	cfg.OutboxWorker.PublishMode = "random"

	if _, err := Normalize(cfg); err == nil {
		t.Fatal("Normalize should reject unsupported outbox publish_mode")
	}
}

func TestNormalizeRejectsMQPublishModeWithoutRoomOutboxMQ(t *testing.T) {
	cfg := Default()
	cfg.OutboxWorker.PublishMode = OutboxPublishModeMQ

	if _, err := Normalize(cfg); err == nil {
		t.Fatal("Normalize should reject mq publish_mode without rocketmq.room_outbox.enabled")
	}
}

func TestNormalizeOutboxWorkerKeepsSafeDefaults(t *testing.T) {
	cfg := Default()
	cfg.OutboxWorker.PollInterval = 0
	cfg.OutboxWorker.BatchSize = 0
	cfg.OutboxWorker.PublishTimeout = 0
	cfg.OutboxWorker.RetryStrategy = ""
	cfg.OutboxWorker.MaxRetryCount = 0
	cfg.OutboxWorker.InitialBackoff = 0
	cfg.OutboxWorker.MaxBackoff = 0

	normalized, err := Normalize(cfg)
	if err != nil {
		t.Fatalf("Normalize failed: %v", err)
	}
	if normalized.OutboxWorker.PublishMode != OutboxPublishModeDirect || normalized.OutboxWorker.PollInterval != time.Second || normalized.OutboxWorker.BatchSize != 100 || normalized.OutboxWorker.PublishTimeout != 3*time.Second || normalized.OutboxWorker.RetryStrategy != "exponential_backoff" || normalized.OutboxWorker.MaxRetryCount != 10 || normalized.OutboxWorker.InitialBackoff != 5*time.Second || normalized.OutboxWorker.MaxBackoff != 5*time.Minute {
		t.Fatalf("outbox worker defaults not restored: %+v", normalized.OutboxWorker)
	}
}
