package mq

import (
	"context"
	"os"
	"path/filepath"
	"strings"
	"testing"
)

const currentTestDispatcherID = "c046b893-8628-4589-ae50-619d049248a6"

func currentMessage(t *testing.T, name string) []byte {
	t.Helper()
	body, err := os.ReadFile(filepath.Join("..", "..", "contracts", "local", "examples", name+".json"))
	if err != nil {
		t.Fatal(err)
	}
	return body
}

func TestCurrentBrokerRejectsInvalidConfigBeforeConnecting(t *testing.T) {
	for _, tc := range []struct {
		url, id  string
		prefetch int
	}{
		{"", currentTestDispatcherID, 1},
		{"amqp://127.0.0.1:1", "not-a-uuid", 1},
		{"amqp://127.0.0.1:1", currentTestDispatcherID, 0},
	} {
		if _, err := OpenCurrent(tc.url, tc.id, tc.prefetch); err == nil {
			t.Fatalf("accepted invalid broker settings: %+v", tc)
		}
	}
}

func TestCurrentPublishRejectsLegacyAndWrongOwnerBeforeNetwork(t *testing.T) {
	b := &CurrentBroker{dispatcherID: currentTestDispatcherID, resultRoute: "d." + currentTestDispatcherID + ".out"}
	for _, tc := range []struct {
		name string
		body []byte
	}{
		{"old version field", currentMessage(t, "invalid/mq-legacy-schema-version")},
		{"wrong owner", []byte(strings.Replace(string(currentMessage(t, "mq-result-no-recording")), currentTestDispatcherID, "c046b893-8628-4589-ae50-619d049248a7", 1))},
		{"unapproved event", currentMessage(t, "mq-sip-change")},
		{"empty event identity", []byte(strings.Replace(string(currentMessage(t, "mq-execute-ack")), `"event_id":"call-example"`, `"event_id":""`, 1))},
	} {
		t.Run(tc.name, func(t *testing.T) {
			err := b.Publish(context.Background(), "agent-call.saas.v1", b.resultRoute, tc.body)
			if err == nil || strings.Contains(err.Error(), "connection is closed") {
				t.Fatalf("message reached network path instead of being rejected: %v", err)
			}
		})
	}
	valid := currentMessage(t, "mq-result-no-recording")
	if err := b.Publish(context.Background(), "agent-call.saas.v1", b.resultRoute, valid); err == nil || !strings.Contains(err.Error(), "connection is closed") {
		t.Fatalf("valid result did not reach network boundary: %v", err)
	}
}