package applog_test

import (
	"bytes"
	"io"
	"log/slog"
	"os"
	"path/filepath"
	"testing"

	"gitea.auvem.com/go-toolkit/applog"
	"gitea.auvem.com/go-toolkit/app"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestModuleConsoleOnly(t *testing.T) {
	var buf bytes.Buffer
	lc := app.NewLifecycle(applog.AppLogOpts{
		ConsoleOutput:       &buf,
		ConsoleLevel:        slog.LevelDebug,
		DisableAnnouncement: true,
	}.Module())

	require.NoError(t, lc.Setup())
	lc.Logger().Info("hello")
	require.NoError(t, lc.Teardown())
	assert.Contains(t, buf.String(), "hello")
}

func TestModuleRequiresOutput(t *testing.T) {
	lc := app.NewLifecycle(applog.AppLogOpts{}.Module())
	err := lc.Setup()
	assert.Error(t, err)
}

func TestModuleFileAndTeardown(t *testing.T) {
	dir := t.TempDir()
	logPath := filepath.Join(dir, "app.log")

	lc := app.NewLifecycle(applog.AppLogOpts{
		ConsoleOutput:       io.Discard,
		FileOutput:          logPath,
		DisableAnnouncement: true,
	}.Module())

	require.NoError(t, lc.Setup())
	lc.Logger().Info("file line")
	require.NoError(t, lc.Teardown())

	// Logger should not write to closed file after teardown
	lc.Logger().Info("after teardown")

	data, err := os.ReadFile(logPath)
	require.NoError(t, err)
	assert.Contains(t, string(data), "file line")
}