package logger

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

func TestInit(t *testing.T) {
	// Create temp directory
	tmpDir := t.TempDir()
	oldHome := os.Getenv("HOME")
	os.Setenv("HOME", tmpDir)
	defer os.Setenv("HOME", oldHome)

	err := Init()
	if err != nil {
		t.Errorf("Init() unexpected error: %v", err)
	}

	// Check log file was created
	logFile := filepath.Join(tmpDir, ".config", "grokkit", "grokkit.log")
	if _, err := os.Stat(logFile); os.IsNotExist(err) {
		t.Errorf("Log file not created at %s", logFile)
	}
}

func TestLogging(t *testing.T) {
	tmpDir := t.TempDir()
	oldHome := os.Getenv("HOME")
	os.Setenv("HOME", tmpDir)
	defer os.Setenv("HOME", oldHome)

	if err := Init(); err != nil {
		t.Fatalf("Init() failed: %v", err)
	}

	// These should not panic
	Info("test info message")
	Error("test error message")
	Debug("test debug message")

	// Verify log file has content
	logFile := filepath.Join(tmpDir, ".config", "grokkit", "grokkit.log")
	content, err := os.ReadFile(logFile)
	if err != nil {
		t.Errorf("Failed to read log file: %v", err)
	}
	if len(content) == 0 {
		t.Errorf("Log file is empty")
	}
}