/**
 * ProjectLaogai
 *
 * Copyright 2019-2020  <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 android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.fragment.app.Fragment
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
import kotlinx.android.synthetic.main.fragment_grades.*
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import org.mosad.seil0.projectlaogai.R
import org.mosad.seil0.projectlaogai.controller.QISPOSParser
import org.mosad.seil0.projectlaogai.uicomponents.DayCardView
import org.mosad.seil0.projectlaogai.uicomponents.GradeLinearLayout

/**
 * A simple [Fragment] subclass.
 */
class GradesFragment : Fragment() {

    private lateinit var refreshLayoutGrades: SwipeRefreshLayout

    override fun onCreateView(inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle?): View? {
        val view: View = inflater.inflate(R.layout.fragment_grades, container, false)

        refreshLayoutGrades = view.findViewById(R.id.refreshLayout_Grades)
        refreshLayoutGrades.isEnabled = false // disable swipe

        GlobalScope.launch(Dispatchers.Default) {
                addGrades()
        }

        return view
    }

    private fun addGrades() = GlobalScope.launch(Dispatchers.Default) {
        withContext(Dispatchers.Main) {
            refreshLayout_Grades.isRefreshing = true
        }

        val parser = QISPOSParser()
        val grades = parser.parseGrades(context!!)

        withContext(Dispatchers.Main) {
            linLayout_Grades.removeAllViews() // clear layout
        }

        // for each semester add a new card
        grades.forEach { semester ->
            val semesterCard = DayCardView(context!!)
            semesterCard.setDayHeading(semester.key)

            // for each subject add a new linLayout
            semester.value.forEachIndexed { index, subject ->
                val subjectLayout = GradeLinearLayout(context).set {
                    subjectName = subject.name
                    grade = subject.grade
                }

                if (index == semester.value.lastIndex)
                    subjectLayout.disableDivider()

                semesterCard.getLinLayoutDay().addView(subjectLayout)
            }

            // without context we can't access the view
            withContext(Dispatchers.Main) {
                linLayout_Grades.addView(semesterCard)
            }
        }
        withContext(Dispatchers.Main) {
            refreshLayout_Grades.isRefreshing = false
        }

        //refreshLayoutGrades.isRefreshing = false
    }

}