/* Copyright 2018 Jeremiasz Nelz <remi6397(a)gmail.com>
 *
 * This file is a part of Tusky.
 *
 * 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.
 *
 * Tusky 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 Tusky; if not,
 * see <http://www.gnu.org/licenses>. */

package com.keylesspalace.tusky.receiver

import android.content.BroadcastReceiver
import android.content.Context
import android.content.Intent
import android.os.Message
import android.util.Log
import androidx.core.app.NotificationCompat
import androidx.core.app.NotificationManagerCompat
import androidx.core.app.RemoteInput
import androidx.core.content.ContextCompat
import com.keylesspalace.tusky.R
import com.keylesspalace.tusky.components.compose.ComposeActivity
import com.keylesspalace.tusky.components.compose.ComposeActivity.ComposeOptions
import com.keylesspalace.tusky.db.AccountManager
import com.keylesspalace.tusky.entity.Status
import com.keylesspalace.tusky.service.SendTootService
import com.keylesspalace.tusky.service.TootToSend
import com.keylesspalace.tusky.components.notifications.NotificationHelper
import com.keylesspalace.tusky.service.MessageToSend
import com.keylesspalace.tusky.util.randomAlphanumericString
import dagger.android.AndroidInjection
import javax.inject.Inject

private const val TAG = "SendStatusBR"

class SendStatusBroadcastReceiver : BroadcastReceiver() {

    @Inject
    lateinit var accountManager: AccountManager

    override fun onReceive(context: Context, intent: Intent) {
        AndroidInjection.inject(this, context)

        val notificationId = intent.getIntExtra(NotificationHelper.KEY_NOTIFICATION_ID, -1)
        val senderId = intent.getLongExtra(NotificationHelper.KEY_SENDER_ACCOUNT_ID, -1)
        val senderIdentifier = intent.getStringExtra(NotificationHelper.KEY_SENDER_ACCOUNT_IDENTIFIER)
        val senderFullName = intent.getStringExtra(NotificationHelper.KEY_SENDER_ACCOUNT_FULL_NAME)
        val citedStatusId = intent.getStringExtra(NotificationHelper.KEY_CITED_STATUS_ID)
        val visibility = intent.getSerializableExtra(NotificationHelper.KEY_VISIBILITY)
        val spoiler = intent.getStringExtra(NotificationHelper.KEY_SPOILER)
        val mentions = intent.getStringArrayExtra(NotificationHelper.KEY_MENTIONS)
        val citedText = intent.getStringExtra(NotificationHelper.KEY_CITED_TEXT)
        val localAuthorId = intent.getStringExtra(NotificationHelper.KEY_CITED_AUTHOR_LOCAL)
        val chatId = intent.getStringExtra(NotificationHelper.KEY_CHAT_ID)

        val account = accountManager.getAccountById(senderId)

        val notificationManager = NotificationManagerCompat.from(context)

        if (account == null) {
            Log.w(TAG, "Account \"$senderId\" not found in database. Aborting quick reply!")

            val builder = NotificationCompat.Builder(context, NotificationHelper.CHANNEL_MENTION + senderIdentifier)
                    .setSmallIcon(R.drawable.ic_notify)
                    .setColor(ContextCompat.getColor(context, (R.color.tusky_blue)))
                    .setGroup(senderFullName)
                    .setDefaults(0) // So it doesn't ring twice, notify only in Target callback

            builder.setContentTitle(context.getString(R.string.error_generic))
            builder.setContentText(context.getString(R.string.error_sender_account_gone))

            builder.setSubText(senderFullName)
            builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
            builder.setCategory(NotificationCompat.CATEGORY_SOCIAL)
            builder.setOnlyAlertOnce(true)

            notificationManager.notify(notificationId, builder.build())
            return
        }

        if (intent.action == NotificationHelper.COMPOSE_ACTION) {
            context.sendBroadcast(Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS))

            notificationManager.cancel(notificationId)

            accountManager.setActiveAccount(senderId)

            val composeIntent = ComposeActivity.startIntent(context, ComposeOptions(
                    inReplyToId = citedStatusId,
                    replyVisibility = visibility as Status.Visibility,
                    contentWarning = spoiler,
                    mentionedUsernames = mentions.toSet(),
                    replyingStatusAuthor = localAuthorId,
                    replyingStatusContent = citedText
            ))

            composeIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)

            context.startActivity(composeIntent)
        } else {
            val message = getReplyMessage(intent)

            val sendIntent = if(intent.action == NotificationHelper.REPLY_ACTION) {
                val text = mentions.joinToString(" ", postfix = " ") { "@$it" } + message.toString()

                SendTootService.sendTootIntent(
                        context,
                        TootToSend(
                                text,
                                spoiler,
                                (visibility as Status.Visibility).serverString(),
                                false,
                                emptyList(),
                                emptyList(),
                                emptyList(),
                                null,
                                citedStatusId,
                                null,
                                null,
                                null,
                                null,
                                "",
                                false,
                                account.id,
                                0,
                                randomAlphanumericString(16),
                                0
                        )
                )
            } else {
                SendTootService.sendMessageIntent(context,
                    MessageToSend(message.toString(), null, null, account.id, chatId!!, 0))
            }

            context.startService(sendIntent)

            val builder = NotificationCompat.Builder(context, NotificationHelper.CHANNEL_MENTION + senderIdentifier)
                    .setSmallIcon(R.drawable.ic_notify)
                    .setColor(ContextCompat.getColor(context, (R.color.tusky_blue)))
                    .setGroup(senderFullName)
                    .setDefaults(0) // So it doesn't ring twice, notify only in Target callback

            builder.setContentTitle(context.getString(R.string.status_sent))
            builder.setContentText(context.getString(R.string.status_sent_long))

            builder.setSubText(senderFullName)
            builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
            builder.setCategory(NotificationCompat.CATEGORY_SOCIAL)
            builder.setOnlyAlertOnce(true)

            notificationManager.notify(notificationId, builder.build())
        }
    }

    private fun getReplyMessage(intent: Intent): CharSequence {
        val remoteInput = RemoteInput.getResultsFromIntent(intent)

        return remoteInput.getCharSequence(NotificationHelper.KEY_REPLY, "")
    }

}