conventionschedule-android/app/src/main/java/com/adlerosn/brasilfurfest/schedule/ScheduleActivity.kt

package com.adlerosn.brasilfurfest.schedule

import android.app.AlertDialog
import android.content.DialogInterface
import android.os.Bundle
import android.os.Handler
import android.support.v4.view.GravityCompat
import android.support.v7.app.AppCompatActivity
import android.view.Menu
import android.view.MenuItem
import android.widget.ListView
import com.adlerosn.brasilfurfest.R
import com.adlerosn.brasilfurfest.schedule.abstractDataTypes.convention.adapter.HourlyPlannedEventListAdapter
import kotlinx.android.synthetic.main.activity_main.*
import kotlinx.android.synthetic.main.activity_schedule.*
import java.util.*

class ScheduleActivity : AppCompatActivity() {
    companion object {
        val pageFlipListeners: MutableMap<String, ()->Unit> = mutableMapOf()
    }

    init {
        pageFlipListeners.clear()
        val pageFlipHandler = Handler()
        val triggerPageFlipListeners = Runnable { pageFlipListeners.forEach { it.value.invoke() } }
        Timer().schedule(object : TimerTask() {
            override fun run() { pageFlipHandler.post(triggerPageFlipListeners) }
        }, 1, 1750)
    }

    private var oneShotRan = false
    private lateinit var scheduleManager: ScheduleManager

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        onCreateOneShotGuard()
        setContentView(R.layout.activity_schedule)
        setSupportActionBar(toolbar)
        toolbar.title = getString(R.string.schedule)
        toolbar.subtitle = getString(R.string.app_name)
        updateActivitiesView()
    }

    override fun onBackPressed() {
        if (drawer_layout.isDrawerOpen(GravityCompat.START)) {
            drawer_layout.closeDrawer(GravityCompat.START)
        } else {
            super.onBackPressed()
        }
    }

    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        // Inflate the menu; this adds items to the action bar if it is present.
        menuInflater.inflate(R.menu.main, menu)
        return true
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        return when (item.itemId) {
            R.id.action_redownload-> {
                redownloadSchedule()
                true
            }
            R.id.action_clear_planning-> {
                val dialog = AlertDialog.Builder(this, R.style.Theme_AppCompat_Light_Dialog_Alert).create()
                dialog.setTitle(getString(R.string.schedule_clear_planning_question))
                dialog.setMessage(getString(R.string.this_cannot_be_undone))
                dialog.setButton(AlertDialog.BUTTON_NEGATIVE, getString(R.string.dialog_cancel)) {
                    _: DialogInterface, _: Int ->
                    dialog.dismiss()
                }
                dialog.setButton(AlertDialog.BUTTON_POSITIVE, getString(R.string.dialog_confirm)) {
                    _: DialogInterface, _: Int ->
                    dialog.dismiss()
                    scheduleManager.clearIntentions()
                    onAttendeeIntentionsChanged()
                }
                dialog.show()
                true
            }
            else -> super.onOptionsItemSelected(item)
        }
    }

    fun updateActivitiesView() {
        pageFlipListeners.clear()
        conventionDaysHolder.removeAllViews()
        conventionDaysHolder.addView(scheduleManager.render)
    }

    private fun onCreateOneShotGuard(){
        if(!oneShotRan){
            oneShotRan = true
            onCreateOneShot()
        }
    }

    fun onCreateOneShot(){
        scheduleManager = ScheduleManager(this)
        if (!scheduleManager.usable) {
            redownloadSchedule()
        }
    }

    fun redownloadSchedule(){
        val alertDialog = AlertDialog.Builder(this, R.style.Theme_AppCompat_Light_Dialog_Alert).create()
        alertDialog.setTitle(getString(R.string.dialog_pleasewait))
        alertDialog.setMessage(getString(R.string.dialog_schedule_downloading4u))
        alertDialog.setCancelable(false)
        alertDialog.show()
        scheduleManager.downloadAgain {
            alertDialog.setCancelable(true)
            alertDialog.dismiss()
            updateActivitiesView()
        }
    }

    fun onAttendeeIntentionsChanged() {
        scheduleManager.onAttendeeIntentionsChanged()
        updateActivitiesView()
    }
}