package contract

import (
	"bytes"
	"os"
	"path/filepath"
	"testing"

	"git.ipao.vip/rogee/go-sip/contracts"
	"github.com/santhosh-tekuri/jsonschema/v6"
)

func TestV1RuntimeSchemaResolvesOnlyEmbeddedContracts(t *testing.T) {
	const version = contracts.SourceCommit
	schema, err := schemaFromBundle(version, "mq.schema.json")
	if err != nil {
		t.Fatal(err)
	}
	for _, name := range []string{"command-query", "call-query-result", "ai-config-result", "call-execute", "event-recording-uploaded"} {
		raw, err := contracts.Files.ReadFile("upstream/" + version + "/examples/" + name + ".json")
		if err != nil {
			t.Fatal(err)
		}
		value, err := jsonschema.UnmarshalJSON(bytes.NewReader(raw))
		if err != nil {
			t.Fatal(err)
		}
		if err := schema.Validate(value); err != nil {
			t.Fatalf("%s: %v", name, err)
		}
	}
	loader := bundleLoader{version: version}
	for _, address := range []string{"https://example.invalid/mq.schema.json", "file:///etc/passwd", "https://go-sip.local/contracts/other/mq.schema.json"} {
		if _, err := loader.Load(address); err == nil {
			t.Fatalf("external/cross-version schema accepted: %s", address)
		}
	}
	again, err := schemaFromBundle(version, "mq.schema.json")
	if err != nil || again != schema {
		t.Fatal("immutable compiled schema not reused")
	}
}

func TestBundleSchemaRejectsInvalidResources(t *testing.T) {
	for _, name := range []string{"../mq.schema.json", "", "missing.schema.json"} {
		if _, err := schemaFromBundle(contracts.SourceCommit, name); err == nil {
			t.Fatalf("invalid resource accepted: %q", name)
		}
	}
}

func TestProjectLocalConfigurationSchemasValidatePositivesAndRejectNegatives(t *testing.T) {
	read := func(name string) []byte {
		t.Helper()
		body, err := os.ReadFile(filepath.Join("..", "..", "docs", "contracts", "examples", name))
		if err != nil {
			t.Fatal(err)
		}
		return body
	}
	if err := ValidateLocalConfigRead(read("config-read-task-v0.1.json")); err != nil {
		t.Fatalf("valid task config: %v", err)
	}
	if err := ValidateLocalConfigRead(read("config-read-invalid-extra-property-v0.1.json")); err == nil {
		t.Fatal("config-read schema accepted an additional property")
	}
	if err := ValidateLocalTaskDiscovery(read("task-discovery-snapshot-v0.2.json")); err != nil {
		t.Fatalf("valid discovery snapshot: %v", err)
	}
	if err := ValidateLocalTaskDiscovery(read("task-discovery-invalid-queue-v0.2.json")); err == nil {
		t.Fatal("task-discovery schema accepted a queue field in the response")
	}
}