ProjectLaogai/app/src/main/java/org/mosad/seil0/projectlaogai/fragments/MensaFragment.kt

/**
 * ProjectLaogai
 *
 * Copyright 2018  <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.fragments

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.LinearLayout
import org.jetbrains.anko.doAsync
import org.jetbrains.anko.uiThread
import org.mosad.seil0.projectlaogai.MainActivity
import org.mosad.seil0.projectlaogai.R
import org.mosad.seil0.projectlaogai.uicomponents.MensaDayCardView
import org.mosad.seil0.projectlaogai.uicomponents.MenuCardView
import java.util.*

/**
 * The mensa controller class
 * contains all needed parts to display and the mensa detail screen
 */
class MensaFragment : Fragment() {

    private lateinit var linLayoutMensaFragment: LinearLayout
    private var mainActivity = MainActivity()

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {

        val view: View = inflater.inflate(R.layout.fragment_mensa, container, false)

        linLayoutMensaFragment = view.findViewById(R.id.linLayout_MensaFragment)

        addCurrentWeek()

        return view
    }

    private fun addCurrentWeek() {

        doAsync {

            uiThread {

                for(day in Calendar.getInstance().get(Calendar.DAY_OF_WEEK)..7) {

                    val strDay: String = when(day) {
                        Calendar.MONDAY -> "Mon"
                        Calendar.TUESDAY -> "Die"
                        Calendar.WEDNESDAY -> "Mit"
                        Calendar.THURSDAY -> "Don"
                        Calendar.FRIDAY -> "Fre"
                        Calendar.SATURDAY -> "Sam"
                        else -> "TODAY" // the app will likely crash here
                    }

                    val cardViewMensaDay = MensaDayCardView(context!!, null)
                    var add = false

                    for (meal in mainActivity.getWeekMenu()) {
                        //println("Day: " + meal.day)
                        if (meal.day.contains(strDay)) {

                            val menuViewMenu = MenuCardView(context!!, null)
                            menuViewMenu.setMenuHeading(meal.heading)

                            for ((i, part) in meal.parts.withIndex()) {
                                menuViewMenu.getTxtViewMenu().append(part)
                                if(i < (meal.parts.size - 2))
                                    menuViewMenu.getTxtViewMenu().append("\n")
                            }

                            cardViewMensaDay.setDayHeading(meal.day) //TODO move this out of the first for loop, performance!!
                            cardViewMensaDay.getLinLayoutMensaDay().addView(menuViewMenu)
                            add = true
                        }
                    }


                    if(add)
                        linLayoutMensaFragment.addView(cardViewMensaDay)
                }

                // add a card if there are no more meals in this week
                if(linLayoutMensaFragment.childCount == 0) {
                    val cardViewNoMoreFood = MensaDayCardView(context!!, null)
                    cardViewNoMoreFood.setDayHeading(resources.getString(R.string.no_more_food))
                    linLayoutMensaFragment.addView(cardViewNoMoreFood)
                }
            }

        }
    }

    fun setMainActivity(mainActivity: MainActivity) {
        this.mainActivity = mainActivity
    }

}