package app.fedilab.android.mastodon.activities;
/* Copyright 2023 Thomas Schneider
 *
 * This file is a part of Fedilab
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with Fedilab; if not,
 * see <http://www.gnu.org/licenses>. */


import static app.fedilab.android.BaseMainActivity.currentAccount;
import static app.fedilab.android.mastodon.activities.ComposeActivity.PICK_MEDIA;

import android.content.ClipData;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.util.TypedValue;
import android.view.MenuItem;

import androidx.appcompat.app.ActionBar;
import androidx.lifecycle.ViewModelProvider;
import androidx.preference.PreferenceManager;

import java.util.ArrayList;
import java.util.List;

import app.fedilab.android.BaseMainActivity;
import app.fedilab.android.R;
import app.fedilab.android.databinding.ActivityDirectMessageBinding;
import app.fedilab.android.mastodon.client.entities.api.Status;
import app.fedilab.android.mastodon.client.entities.app.CachedBundle;
import app.fedilab.android.mastodon.client.entities.app.StatusCache;
import app.fedilab.android.mastodon.exception.DBException;
import app.fedilab.android.mastodon.helper.Helper;
import app.fedilab.android.mastodon.helper.MastodonHelper;
import app.fedilab.android.mastodon.ui.drawer.StatusAdapter;
import app.fedilab.android.mastodon.ui.fragment.timeline.FragmentMastodonDirectMessage;
import app.fedilab.android.mastodon.viewmodel.mastodon.StatusesVM;

public class DirectMessageActivity extends BaseActivity implements FragmentMastodonDirectMessage.FirstMessage {

    public static boolean expand;
    public static boolean displayCW;

    FragmentMastodonDirectMessage currentFragment;
    private String remote_instance;

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

        ActivityDirectMessageBinding binding = ActivityDirectMessageBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());
        setSupportActionBar(binding.toolbar);
        ActionBar actionBar = getSupportActionBar();
        //Remove title
        if (actionBar != null) {
            actionBar.setDisplayShowTitleEnabled(false);
        }
        binding.title.setText(R.string.context_conversation);
        SharedPreferences sharedpreferences = PreferenceManager.getDefaultSharedPreferences(this);
        float scale = sharedpreferences.getFloat(getString(R.string.SET_FONT_SCALE), 1.1f);
        binding.title.setTextSize(TypedValue.COMPLEX_UNIT_SP, 18 * 1.1f / scale);
        MastodonHelper.loadPPMastodon(binding.profilePicture, currentAccount.mastodon_account);
        if (getSupportActionBar() != null) {
            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
            getSupportActionBar().setDisplayShowHomeEnabled(true);
        }
        Bundle args = getIntent().getExtras();
        displayCW = sharedpreferences.getBoolean(getString(R.string.SET_EXPAND_CW), false);

        if (args != null) {
            long bundleId = args.getLong(Helper.ARG_INTENT_ID, -1);
            new CachedBundle(DirectMessageActivity.this).getBundle(bundleId, currentAccount, this::initializeAfterBundle);
        } else {
            initializeAfterBundle(null);
        }


    }

    private void initializeAfterBundle(Bundle bundle) {
        Status focusedStatus = null; // or other values
        if (bundle != null) {
            focusedStatus = (Status) bundle.getSerializable(Helper.ARG_STATUS);
            remote_instance = bundle.getString(Helper.ARG_REMOTE_INSTANCE, null);
        }

        if (focusedStatus == null || currentAccount == null || currentAccount.mastodon_account == null) {
            finish();
            return;
        }

        Bundle args = new Bundle();
        args.putSerializable(Helper.ARG_STATUS, focusedStatus);
        args.putString(Helper.ARG_REMOTE_INSTANCE, remote_instance);
        Status finalFocusedStatus = focusedStatus;
        new CachedBundle(DirectMessageActivity.this).insertBundle(args, currentAccount, bundleId -> {
            Bundle args2 = new Bundle();
            args2.putLong(Helper.ARG_INTENT_ID, bundleId);
            FragmentMastodonDirectMessage FragmentMastodonDirectMessage = new FragmentMastodonDirectMessage();
            FragmentMastodonDirectMessage.firstMessage = this;
            currentFragment = (FragmentMastodonDirectMessage) Helper.addFragment(getSupportFragmentManager(), R.id.nav_host_fragment_content_main, FragmentMastodonDirectMessage, args2, null, null);
            StatusesVM timelinesVM = new ViewModelProvider(DirectMessageActivity.this).get(StatusesVM.class);
            timelinesVM.getStatus(BaseMainActivity.currentInstance, BaseMainActivity.currentToken, finalFocusedStatus.id).observe(DirectMessageActivity.this, status -> {
                if (status != null) {
                    StatusCache statusCache = new StatusCache();
                    statusCache.instance = BaseMainActivity.currentInstance;
                    statusCache.user_id = BaseMainActivity.currentUserID;
                    statusCache.status = status;
                    statusCache.status_id = status.id;
                    //Update cache
                    new Thread(() -> {
                        try {
                            new StatusCache(getApplication()).updateIfExists(statusCache);
                            Handler mainHandler = new Handler(Looper.getMainLooper());
                            //Update UI
                            Runnable myRunnable = () -> StatusAdapter.sendAction(DirectMessageActivity.this, Helper.ARG_STATUS_ACTION, status, null);
                            mainHandler.post(myRunnable);
                        } catch (DBException e) {
                            e.printStackTrace();
                        }
                    }).start();
                }
            });
        });

    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        List<Uri> uris = new ArrayList<>();
        if (requestCode >= PICK_MEDIA && resultCode == RESULT_OK) {
            ClipData clipData = data.getClipData();
            if (clipData != null) {
                for (int i = 0; i < clipData.getItemCount(); i++) {
                    ClipData.Item item = clipData.getItemAt(i);
                    uris.add(item.getUri());
                }
            } else {
                uris.add(data.getData());
            }
            currentFragment.addAttachment(uris);
        }
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        }
        return true;
    }

    @Override
    public void get(Status status) {
        invalidateOptionsMenu();
    }
}