/**
 * 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.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.PreferencesController.Companion.cMenusCurrentWeek
import org.mosad.seil0.projectlaogai.PreferencesController.Companion.cMenusNextWeek
import org.mosad.seil0.projectlaogai.PreferencesController.Companion.cShowBuffet
import org.mosad.seil0.projectlaogai.R
import org.mosad.seil0.projectlaogai.hsoparser.MealWeek
import org.mosad.seil0.projectlaogai.hsoparser.NotRetardedCalendar
import org.mosad.seil0.projectlaogai.uicomponents.MensaDayCardView
import org.mosad.seil0.projectlaogai.uicomponents.MenuCardView

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

    private lateinit var linLayoutMensaFragment: LinearLayout

    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)

        // add the current week (week starts on sunday)
        val dayCurrent =  if(NotRetardedCalendar().getDayOfWeekIndex() == 6) 0 else NotRetardedCalendar().getDayOfWeekIndex()
        addWeek(cMenusCurrentWeek, dayCurrent)

        // add the next week
        addWeek(cMenusNextWeek, 0)

        return view
    }

    /**
     * add all menus from dayStart to Friday for a given week
     */
    private fun addWeek(menusWeek: MealWeek, dayStart: Int) {

        doAsync {

            uiThread {
                // only add the days dayStart to Fri since the mensa is closed on Sat/Sun
                for (dayIndex in dayStart..4) {

                    val cardViewMensaDay = MensaDayCardView(context!!, null)

                    for (meal in menusWeek.day[dayIndex]) {
                        val menuViewMenu = MenuCardView(context!!, null)
                        menuViewMenu.setMenuHeading(meal.heading)

                        meal.parts.forEachIndexed { partIndex, part ->
                            menuViewMenu.getTxtViewMenu().append(part)
                            if(partIndex < (meal.parts.size - 2))
                                menuViewMenu.getTxtViewMenu().append("\n")
                        }

                        cardViewMensaDay.setDayHeading(meal.day)

                        if(meal.heading != "Buffet" || cShowBuffet)
                            cardViewMensaDay.getLinLayoutMensaDay().addView(menuViewMenu)
                    }

                    println("$dayIndex:" + cardViewMensaDay.getLinLayoutMensaDay().childCount) // remove

                    if(cardViewMensaDay.getLinLayoutMensaDay().childCount > 1)
                        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)
                }
            }
        }

    }

}