ProjectLaogai/app/src/main/java/org/mosad/seil0/projectlaogai/controller/TCoRAPIController.kt

/**
 * ProjectLaogai
 *
 * Copyright 2019  <seil0@mosad.xyz>
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 *
 */

package org.mosad.seil0.projectlaogai.controller

import android.content.Context
import org.jetbrains.anko.doAsync
import org.json.JSONObject
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.coursesCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.mensaCacheTime
import org.mosad.seil0.projectlaogai.controller.PreferencesController.Companion.timetableCacheTime
import java.io.*
import java.net.URL

class TCoRAPIController(cont: Context) {
    private val context = cont

    companion object {
        /**
         * get the json object from tcor api and write it as file (cache)
         */
        fun getMensa(context: Context) = doAsync {
            val url = URL("https://tcor.mosad.xyz/mensamenu")
            val file = File(context.filesDir, "mensa.json")

            // read data from the API
            val mensaObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())

            // write the json object to a file
            val writer = BufferedWriter(FileWriter(file))
            writer.write(mensaObject.toString())
            writer.close()

            // update cache time
            mensaCacheTime = System.currentTimeMillis() / 1000
            PreferencesController.save(context)
        }

        /**
         * get the json object from tcor api and write it as file (cache)
         */
        fun getTimetable(courseName: String, week: Int, context: Context) = doAsync {
            val url = URL("https://tcor.mosad.xyz/timetable?courseName=$courseName&week=$week")
            val file = File(context.filesDir, "timetable-$courseName-$week.json")

            // read data from the API
            val mensaObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())

            // write the json object to a file
            val writer = BufferedWriter(FileWriter(file))
            writer.write(mensaObject.toString())
            writer.close()

            // update cache time
            timetableCacheTime = System.currentTimeMillis() / 1000
            PreferencesController.save(context)
        }
    }

    /**
     * get the json object from tcor api and write it as file (cache)
     */
    fun getCoursesList() = doAsync {
        val url = URL("https://tcor.mosad.xyz/courseList")
        val file = File(context.filesDir, "courses.json")

        // read data from the API
        val coursesObject = JSONObject(url.readText()) //JSONObject(inReader.readLine())

        // write the json object to a file
        val writer = BufferedWriter(FileWriter(file))
        writer.write(coursesObject.toString())
        writer.close()

        // update cache time
        coursesCacheTime = System.currentTimeMillis() / 1000
        PreferencesController.save(context)
    }
}