package librarystack

import (
	"knowledge-governance/internal/appconfig"
	"knowledge-governance/internal/objectgateway"
	"testing"
)

// DS01-F1：正式装配必须把 scope/instance/真实 attempt 身份传到 adapter；快照绑定
// 不再来自这里（来源/写前镜像只从原 WriteSet 与 backup 引用取得）。
func TestRestoreDispatchWiringUsesRealClaim(t *testing.T) {
	config := appconfig.Config{
		LibraryTargetInstance:        "inst-prod",
		LibraryProductionDatabaseURL: "postgres://user:pass@127.0.0.1:5432/kg_prod?sslmode=disable",
		LibraryProductionInternalKB:  "kb-internal",
		LibraryProductionExternalKB:  "kb-external",
	}
	claim := objectgateway.Claim{
		JobID: "job-window", OperationID: "op-original", Owner: "worker-1#queue#job-window",
		AttemptEpoch: 3, RecoveryJobID: "queue-recovery", RecoveryOperationID: "op-recovery",
	}
	wiring, err := RestoreDispatchWiringFor(config, "internal", claim)
	if err != nil {
		t.Fatalf("real wiring: %v", err)
	}
	if wiring.Scope != "internal" || wiring.Instance != "inst-prod" {
		t.Fatalf("scope/instance = %q/%q", wiring.Scope, wiring.Instance)
	}
	if wiring.TargetIdentity == "" || wiring.TargetIdentity == "unconfigured" {
		t.Fatalf("target identity = %q", wiring.TargetIdentity)
	}
	if wiring.OperationID != claim.OperationID || wiring.WindowJobID != claim.JobID ||
		wiring.AttemptOwner != claim.Owner || wiring.AttemptEpoch != claim.AttemptEpoch {
		t.Fatalf("attempt identity not propagated: %+v", wiring)
	}
	if wiring.RecoveryJobID != claim.RecoveryJobID || wiring.RecoveryOperationID != claim.RecoveryOperationID {
		t.Fatalf("recovery delivery identity not propagated: %+v", wiring)
	}
	// 自动回滚（非恢复 worker）没有 recovery 投递身份，必须保持为空。
	rollback, err := RestoreDispatchWiringFor(config, "internal", objectgateway.Claim{
		JobID: "job-window", OperationID: "op-original", Owner: "worker-1#queue#job-window", AttemptEpoch: 3})
	if err != nil {
		t.Fatal(err)
	}
	if rollback.RecoveryJobID != "" || rollback.RecoveryOperationID != "" {
		t.Fatalf("rollback wiring invented a recovery identity: %+v", rollback)
	}
}

func TestRestoreDispatchWiringFailsClosed(t *testing.T) {
	config := appconfig.Config{
		LibraryTargetInstance:        "inst-prod",
		LibraryProductionDatabaseURL: "postgres://user:pass@127.0.0.1:5432/kg_prod?sslmode=disable",
		LibraryProductionInternalKB:  "kb-internal",
	}
	if _, err := RestoreDispatchWiringFor(config, "internal", objectgateway.Claim{}); err == nil {
		t.Fatal("missing attempt identity was accepted")
	}
	if _, err := RestoreDispatchWiringFor(config, "tenant-wide", objectgateway.Claim{
		JobID: "j", OperationID: "o", Owner: "w", AttemptEpoch: 1}); err == nil {
		t.Fatal("unknown scope was accepted")
	}
	if _, err := RestoreDispatchWiringFor(config, "external", objectgateway.Claim{
		JobID: "j", OperationID: "o", Owner: "w", AttemptEpoch: 1}); err == nil {
		t.Fatal("external scope without its knowledge base was accepted")
	}
	if _, err := RestoreDispatchWiringFor(config, "internal", objectgateway.Claim{
		JobID: "j", OperationID: "o", Owner: "w", AttemptEpoch: 1, RecoveryJobID: "q"}); err == nil {
		t.Fatal("partial recovery delivery identity was accepted")
	}
	unconfigured := config
	unconfigured.LibraryProductionDatabaseURL = ""
	if _, err := RestoreDispatchWiringFor(unconfigured, "internal", objectgateway.Claim{
		JobID: "j", OperationID: "o", Owner: "w", AttemptEpoch: 1}); err == nil {
		t.Fatal("unconfigured target database was accepted as a dispatch target")
	}
}

func TestObjectAddressingMatchesProvider(t *testing.T) {
	for _, provider := range []string{"oss", "s3", "minio"} {
		t.Run(provider, func(t *testing.T) {
			config := appconfig.Config{LibraryProductionDatabaseURL: "configured", LibraryProductionElasticURL: "configured", LibraryProductionTenantID: 1, LibraryProductionInternalKB: "kb-target", LibraryProductionS3Endpoint: "https://storage.example", LibraryProductionS3Bucket: "test-bucket", LibraryProductionS3AccessKey: "fixture", LibraryProductionS3SecretKey: "fixture", LibraryProductionS3Provider: provider}
			scope, err := scopeConfigOf(config, "internal")
			if err != nil {
				t.Fatal(err)
			}
			if scope.s3.ForcePathStyle != (provider == "minio") {
				t.Fatalf("provider %s: ForcePathStyle=%v", provider, scope.s3.ForcePathStyle)
			}
		})
	}
}