/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

package logger

import (
	"log"
	"os"
	"runtime"
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
	"gopkg.in/natefinch/lumberjack.v2"
)

func setupLogEnv() {
	logfile = getLogFilePath()
	lumberjackLogger = tryNewLumberJackLogger()
}

func TestSetupErrorLogger(t *testing.T) {
	setupLogEnv()
	SetupErrorLogger()
	_, ok := log.Writer().(*lumberjack.Logger)
	assert.True(t, ok)
}

func TestSetupErrorLoggerWithNoFilePath(t *testing.T) {
	logfile = ""
	lumberjackLogger = tryNewLumberJackLogger()

	SetupErrorLogger()
	_, ok := log.Writer().(*os.File)
	assert.True(t, ok)
}

func TestGetLogFilePath(t *testing.T) {
	setupLogEnv()
	if runtime.GOOS == "windows" {
		assert.Equal(t, WindowsLogPath, logfile)
	} else {
		assert.Equal(t, UnixLogPath, logfile)
	}
}

func TestSetLogLevel(t *testing.T) {
	setupLogEnv()
	SetLogLevel("DEBUG")
	argStr := strings.Join(os.Args[:], "=")
	assert.True(t, strings.Contains(argStr, "--config=yaml:service::telemetry::logs::level: DEBUG"))
}