package org.fox.ttcomics2;

import android.accounts.Account;
import android.accounts.AccountManager;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.widget.Toast;

import org.fox.ttcomics2.sync.SyncClient;

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Locale;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

public class PreferencesFragment extends PreferenceFragment {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        addPreferencesFromResource(R.xml.preferences);

    }

    public void onResume() {
        super.onResume();

        String version = "?";
        int versionCode = -1;
        String buildTimestamp = "N/A";

        try {
            Activity activity = getActivity();

            PackageInfo packageInfo = activity.getPackageManager().
                    getPackageInfo(activity.getPackageName(), 0);

            version = packageInfo.versionName;
            versionCode = packageInfo.versionCode;

            ApplicationInfo appInfo = activity.getPackageManager().
                    getApplicationInfo(activity.getPackageName(), 0);

            ZipFile zf = new ZipFile(appInfo.sourceDir);
            ZipEntry ze = zf.getEntry("classes.dex");
            long time = ze.getTime();

            buildTimestamp = new SimpleDateFormat("yyyy.MM.dd HH:mm:ss",
                    Locale.getDefault()).format(time);


            findPreference("version").setSummary(getString(R.string.prefs_version, version, versionCode));
            findPreference("build_timestamp").setSummary(getString(R.string.prefs_build_timestamp, buildTimestamp));

        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        final SharedPreferences prefs = PreferenceManager
                .getDefaultSharedPreferences(getActivity().getApplicationContext());

        Preference dirPref = findPreference("comics_directory");
        dirPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                ((PreferencesActivity)getActivity()).startPicker();
                return true;
            }
        });

        Preference clearPref = findPreference("clear_sync_data");
        clearPref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() {
            @Override
            public boolean onPreferenceClick(Preference preference) {
                AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
                builder.setMessage(R.string.dialog_clear_data_title)
                        .setCancelable(false)
                        .setPositiveButton(R.string.dialog_clear_data, new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {

                                String googleAccount = getGoogleAccount();
                                SyncClient m_syncClient = new SyncClient();

                                if (googleAccount != null) {
                                    m_syncClient.setOwner(googleAccount);
                                } else {
                                    if (Build.HARDWARE.equals("goldfish")) {
                                        m_syncClient.setOwner("TEST-ACCOUNT");
                                    } else {
                                        m_syncClient.setOwner(null);

                                        SharedPreferences.Editor editor = prefs.edit();
                                        editor.putBoolean("use_position_sync", false);
                                        editor.apply();

                                        Toast toast = Toast.makeText(getActivity(), R.string.error_sync_no_account, Toast.LENGTH_SHORT);
                                        toast.show();
                                    }
                                }

                                if (m_syncClient.hasOwner()) {
                                    m_syncClient.clearData(null);
                                }
                            }
                        })
                        .setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                dialog.cancel();
                            }
                        });
                AlertDialog alert = builder.create();
                alert.show();

                return false;
            }
        });
    }

    public String getGoogleAccount() {
        AccountManager manager = (AccountManager) getActivity().getSystemService(Context.ACCOUNT_SERVICE);
        Account[] list = manager.getAccounts();

        for (Account account: list) {
            if (account.type.equalsIgnoreCase("com.google")) {
                return account.name;
            }
        }
        return null;
    }
}