package logger

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

	"go.uber.org/zap/zapcore"
)

func TestNewWritesRotatingFile(t *testing.T) {
	dir := t.TempDir()
	path := filepath.Join(dir, "app.log")
	log, closeFn := New(&Options{
		Level:   "info",
		Console: false,
		File:    FileOptions{Path: path, MaxSizeMB: 1, MaxBackups: 1, MaxAgeDays: 1},
	})
	log.Info("hello_file")
	if err := closeFn(); err != nil {
		t.Fatal(err)
	}
	raw, err := os.ReadFile(path)
	if err != nil {
		t.Fatal(err)
	}
	if !strings.Contains(string(raw), "hello_file") {
		t.Fatalf("file content %s", raw)
	}
}

func TestParseLevel(t *testing.T) {
	if parseLevel("debug") != zapcore.DebugLevel || parseLevel("DEBUG") != zapcore.DebugLevel {
		t.Fatal("debug")
	}
	if parseLevel("error") != zapcore.ErrorLevel {
		t.Fatal("error")
	}
	if parseLevel("info") != zapcore.InfoLevel {
		t.Fatal("info")
	}
}