// 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 默认只暴露 gRPC，端口必须保持 13xxx 约束。
	if cfg.GRPCAddr != ":13001" {
		t.Fatalf("unexpected grpc addr: %s", cfg.GRPCAddr)
	}

	// 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.PollInterval != time.Second || cfg.OutboxWorker.BatchSize != 100 || cfg.OutboxWorker.PublishTimeout != 3*time.Second || cfg.OutboxWorker.RetryStrategy != "fixed_interval" {
		t.Fatalf("unexpected outbox worker config: %+v", cfg.OutboxWorker)
	}
}

// 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.OutboxWorker.Enabled || cfg.OutboxWorker.RetryStrategy != "fixed_interval" {
		t.Fatalf("tencent example must configure outbox worker: %+v", cfg.OutboxWorker)
	}
}

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

	normalized, err := Normalize(cfg)
	if err != nil {
		t.Fatalf("Normalize failed: %v", err)
	}
	if normalized.OutboxWorker.PollInterval != time.Second || normalized.OutboxWorker.BatchSize != 100 || normalized.OutboxWorker.PublishTimeout != 3*time.Second || normalized.OutboxWorker.RetryStrategy != "fixed_interval" {
		t.Fatalf("outbox worker defaults not restored: %+v", normalized.OutboxWorker)
	}
}