package com.nbee.echolink;

import android.content.Context;
import android.util.Log;
import timber.log.Timber;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

public class FileLoggingTree extends Timber.DebugTree {
    private final File logFile;

    public FileLoggingTree(Context context) {
        File logDirectory = new File(context.getFilesDir(), "logs");
        if (!logDirectory.exists()) {
            logDirectory.mkdirs();
        }
        this.logFile = new File(logDirectory, "echoLink.log");
    }

    @Override
    protected void log(int priority, String tag, String message, Throwable t) {
        super.log(priority, tag, message, t);

        try (FileWriter fileWriter = new FileWriter(logFile, true)) {
            SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
            String timestamp = dateFormat.format(new Date());
            String logMessage = timestamp + " [" + priorityToString(priority) + "] " + tag + ": " + message + "\n";
            fileWriter.append(logMessage);

            if (t != null) {
                fileWriter.append(Log.getStackTraceString(t)).append("\n");
            }
        } catch (IOException e) {
            Log.e("FileLoggingTree", "Error writing log to file", e);
        }
    }

    private String priorityToString(int priority) {
        switch (priority) {
            case Log.ERROR:
                return "ERROR";
            case Log.WARN:
                return "WARN";
            case Log.INFO:
                return "INFO";
            case Log.DEBUG:
                return "DEBUG";
            case Log.VERBOSE:
                return "VERBOSE";
            default:
                return "UNKNOWN";
        }
    }
}