/*******************************************************************************
 *                                                                             *
 *  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.database

import android.util.Log
import com.github.shadowsocks.App.Companion.app
import com.github.shadowsocks.ProfilesFragment

object ProfileManager {
    private const val TAG = "ProfileManager"

    fun createProfile(p: Profile? = null): Profile {
        val profile = p ?: Profile()
        profile.id = 0
        try {
            val oldProfile = app.currentProfile
            if (oldProfile != null) {
                // Copy Feature Settings from old profile
                profile.route = oldProfile.route
                profile.ipv6 = oldProfile.ipv6
                profile.proxyApps = oldProfile.proxyApps
                profile.bypass = oldProfile.bypass
                profile.individual = oldProfile.individual
                profile.udpdns = oldProfile.udpdns
            }
            val last = DBHelper.profileDao.queryRaw(DBHelper.profileDao.queryBuilder().selectRaw("MAX(userOrder)")
                    .prepareStatementString()).firstResult
            if (last != null && last.size == 1 && last[0] != null) profile.userOrder = last[0].toLong() + 1
            DBHelper.profileDao.createOrUpdate(profile)
            ProfilesFragment.instance?.profilesAdapter?.add(profile)
        } catch (ex: Exception) {
            Log.e(TAG, "addProfile", ex)
            app.track(ex)
        }
        return profile
    }

    fun updateProfile(profile: Profile): Boolean = try {
        DBHelper.profileDao.update(profile)
        true
    } catch (ex: Exception) {
        Log.e(TAG, "updateProfile", ex)
        app.track(ex)
        false
    }

    fun getProfile(id: Int): Profile? = try {
        DBHelper.profileDao.queryForId(id)
    } catch (ex: Exception) {
        Log.e(TAG, "getProfile", ex)
        app.track(ex)
        null
    }

    fun delProfile(id: Int): Boolean = try {
        DBHelper.profileDao.deleteById(id)
        ProfilesFragment.instance?.profilesAdapter?.removeId(id)
        true
    } catch (ex: Exception) {
        Log.e(TAG, "delProfile", ex)
        app.track(ex)
        false
    }

    fun getFirstProfile(): Profile? = try {
        val result = DBHelper.profileDao.query(DBHelper.profileDao.queryBuilder().limit(1L).prepare())
        if (result.size == 1) result[0] else null
    } catch (ex: Exception) {
        Log.e(TAG, "getAllProfiles", ex)
        app.track(ex)
        null
    }

    fun getAllProfiles(): List<Profile>? = try {
        DBHelper.profileDao.query(DBHelper.profileDao.queryBuilder().orderBy("userOrder", true).prepare())
    } catch (ex: Exception) {
        Log.e(TAG, "getAllProfiles", ex)
        app.track(ex)
        null
    }
}