package cql

import (
	"context"
	"net/http/httptest"
	"strings"
	"testing"

	"github.com/everything-on-mysql/cassandra-on-mysql/pkg/metrics"
	"go.uber.org/zap"
)

func TestHandleBatchRecordsCQLBatchMetricOnErrorFrame(t *testing.T) {
	metrics.SetClusterIDProviderForTest(nil)
	metrics.Init(metrics.Settings{Enabled: true}, nil)

	handler := NewMessageHandlerWithExecutor(zap.NewNop(), &AllowAllAuthenticator{}, nil)
	frame := BuildBatchFrame(BatchTypeUnlogged, nil, ConsistencyOne, 0, 0, 0, "", nil)

	resp, err := handler.handleBatch(context.Background(), frame)
	if err != nil {
		t.Fatalf("handleBatch returned error: %v", err)
	}
	if resp == nil {
		t.Fatal("expected response frame")
	}
	if resp.Opcode != OpcodeError {
		t.Fatalf("expected error frame opcode, got %s", MessageType(resp.Opcode))
	}

	rec := httptest.NewRecorder()
	req := httptest.NewRequest("GET", "/metrics", nil)
	metrics.Handler().ServeHTTP(rec, req)
	body := rec.Body.String()
	for _, fragment := range []string{
		"proxy_cql_query_total",
		`query_type="batch"`,
		`status="error"`,
		`KeyspaceName="unknown"`,
		`ClusterId="-1"`,
	} {
		if !strings.Contains(body, fragment) {
			t.Fatalf("expected %s in output, got: %s", fragment, body)
		}
	}
}