/*******************************************************************************
 *                                                                             *
 *  Copyright (C) 2017 by Max Lv <max.c.lv@gmail.com>                          *
 *  Copyright (C) 2017 by Mygod Studio <contact-shadowsocks-android@mygod.be>  *
 *                                                                             *
 *  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.                                        *
 *                                                                             *
 *  This program 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 this program. If not, see <http://www.gnu.org/licenses/>.       *
 *                                                                             *
 *******************************************************************************/

package com.github.shadowsocks

import android.content.BroadcastReceiver
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.os.Build
import com.github.shadowsocks.Core.app
import com.github.shadowsocks.preference.DataStore

class BootReceiver : BroadcastReceiver() {
    companion object {
        private val componentName by lazy { ComponentName(app, BootReceiver::class.java) }
        var enabled: Boolean
            get() = app.packageManager.getComponentEnabledSetting(componentName) ==
                    PackageManager.COMPONENT_ENABLED_STATE_ENABLED
            set(value) = app.packageManager.setComponentEnabledSetting(componentName,
                    if (value) PackageManager.COMPONENT_ENABLED_STATE_ENABLED
                    else PackageManager.COMPONENT_ENABLED_STATE_DISABLED, PackageManager.DONT_KILL_APP)
    }

    override fun onReceive(context: Context, intent: Intent) {
        if (!DataStore.persistAcrossReboot) {   // sanity check
            enabled = false
            return
        }
        val doStart = when (intent.action) {
            Intent.ACTION_BOOT_COMPLETED -> !DataStore.directBootAware
            Intent.ACTION_LOCKED_BOOT_COMPLETED -> DataStore.directBootAware
            else -> DataStore.directBootAware || Build.VERSION.SDK_INT >= 24 && Core.user.isUserUnlocked
        }
        if (doStart) Core.startService()
    }
}
