Simple-Clock/app/src/main/kotlin/com/simplemobiletools/clock/activities/MainActivity.kt

package com.simplemobiletools.clock.activities

import android.content.Intent
import android.graphics.drawable.ColorDrawable
import android.os.Bundle
import android.view.Menu
import android.view.MenuItem
import android.view.WindowManager
import android.widget.ImageView
import android.widget.TextView
import com.simplemobiletools.clock.BuildConfig
import com.simplemobiletools.clock.R
import com.simplemobiletools.clock.adapters.ViewPagerAdapter
import com.simplemobiletools.clock.extensions.config
import com.simplemobiletools.clock.extensions.getNextAlarm
import com.simplemobiletools.clock.extensions.rescheduleEnabledAlarms
import com.simplemobiletools.clock.extensions.updateWidgets
import com.simplemobiletools.clock.helpers.*
import com.simplemobiletools.commons.extensions.*
import com.simplemobiletools.commons.helpers.*
import com.simplemobiletools.commons.models.FAQItem
import kotlinx.android.synthetic.main.activity_main.*
import me.grantland.widget.AutofitHelper

class MainActivity : SimpleActivity() {
    private var storedTextColor = 0
    private var storedBackgroundColor = 0
    private var storedPrimaryColor = 0

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)
        appLaunched(BuildConfig.APPLICATION_ID)
        storeStateVariables()
        initFragments()
        setupTabs()
        updateWidgets()

        if (getNextAlarm().isEmpty()) {
            ensureBackgroundThread {
                rescheduleEnabledAlarms()
            }
        }
    }

    override fun onResume() {
        super.onResume()
        val configTextColor = getProperTextColor()
        if (storedTextColor != configTextColor) {
            getInactiveTabIndexes(view_pager.currentItem).forEach {
                main_tabs_holder.getTabAt(it)?.icon?.applyColorFilter(configTextColor)
            }
        }

        val configBackgroundColor = getProperBackgroundColor()
        if (storedBackgroundColor != configBackgroundColor) {
            main_tabs_holder.background = ColorDrawable(configBackgroundColor)
        }

        val configPrimaryColor = getProperPrimaryColor()
        if (storedPrimaryColor != configPrimaryColor) {
            main_tabs_holder.setSelectedTabIndicatorColor(getProperPrimaryColor())
            main_tabs_holder.getTabAt(view_pager.currentItem)?.icon?.applyColorFilter(getProperPrimaryColor())
        }

        if (config.preventPhoneFromSleeping) {
            window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
        }

        setupTabColors()
    }

    override fun onPause() {
        super.onPause()
        storeStateVariables()
        if (config.preventPhoneFromSleeping) {
            window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON)
        }
        config.lastUsedViewPagerPage = view_pager.currentItem
    }

    override fun onCreateOptionsMenu(menu: Menu): Boolean {
        menuInflater.inflate(R.menu.menu, menu)
        menu.apply {
            findItem(R.id.sort).isVisible = view_pager.currentItem == TAB_ALARM
            updateMenuItemColors(this)
        }

        return true
    }

    override fun onOptionsItemSelected(item: MenuItem): Boolean {
        when (item.itemId) {
            R.id.sort -> getViewPagerAdapter()?.showAlarmSortDialog()
            R.id.settings -> launchSettings()
            R.id.about -> launchAbout()
            else -> return super.onOptionsItemSelected(item)
        }
        return true
    }

    override fun onNewIntent(intent: Intent) {
        if (intent.extras?.containsKey(OPEN_TAB) == true) {
            val tabToOpen = intent.getIntExtra(OPEN_TAB, TAB_CLOCK)
            view_pager.setCurrentItem(tabToOpen, false)
            if (tabToOpen == TAB_TIMER) {
                val timerId = intent.getIntExtra(TIMER_ID, INVALID_TIMER_ID)
                (view_pager.adapter as ViewPagerAdapter).updateTimerPosition(timerId)
            }
        }
        super.onNewIntent(intent)
    }

    private fun storeStateVariables() {
        storedTextColor = getProperTextColor()
        storedBackgroundColor = getProperBackgroundColor()
        storedPrimaryColor = getProperPrimaryColor()
    }

    override fun onActivityResult(requestCode: Int, resultCode: Int, resultData: Intent?) {
        super.onActivityResult(requestCode, resultCode, resultData)
        if (requestCode == PICK_AUDIO_FILE_INTENT_ID && resultCode == RESULT_OK && resultData != null) {
            storeNewAlarmSound(resultData)
        }
    }

    private fun storeNewAlarmSound(resultData: Intent) {
        val newAlarmSound = storeNewYourAlarmSound(resultData)

        when (view_pager.currentItem) {
            TAB_ALARM -> getViewPagerAdapter()?.updateAlarmTabAlarmSound(newAlarmSound)
            TAB_TIMER -> getViewPagerAdapter()?.updateTimerTabAlarmSound(newAlarmSound)
        }
    }

    fun updateClockTabAlarm() {
        getViewPagerAdapter()?.updateClockTabAlarm()
    }

    private fun getViewPagerAdapter() = view_pager.adapter as? ViewPagerAdapter

    private fun initFragments() {
        val viewPagerAdapter = ViewPagerAdapter(supportFragmentManager)
        view_pager.adapter = viewPagerAdapter
        view_pager.onPageChangeListener {
            main_tabs_holder.getTabAt(it)?.select()
            invalidateOptionsMenu()
        }

        val tabToOpen = intent.getIntExtra(OPEN_TAB, config.lastUsedViewPagerPage)
        intent.removeExtra(OPEN_TAB)
        if (tabToOpen == TAB_TIMER) {
            val timerId = intent.getIntExtra(TIMER_ID, INVALID_TIMER_ID)
            viewPagerAdapter.updateTimerPosition(timerId)
        }

        view_pager.offscreenPageLimit = TABS_COUNT - 1
        view_pager.currentItem = tabToOpen
    }

    private fun setupTabs() {
        main_tabs_holder.removeAllTabs()
        val tabDrawables = arrayOf(R.drawable.ic_clock_vector, R.drawable.ic_alarm_vector, R.drawable.ic_stopwatch_vector, R.drawable.ic_hourglass_vector)
        val tabLabels = arrayOf(R.string.clock, R.string.alarm, R.string.stopwatch, R.string.timer)

        tabDrawables.forEachIndexed { i, drawableId ->
            main_tabs_holder.newTab().setCustomView(R.layout.bottom_tablayout_item).apply {
                customView?.findViewById<ImageView>(R.id.tab_item_icon)?.setImageDrawable(getDrawable(drawableId))
                customView?.findViewById<TextView>(R.id.tab_item_label)?.setText(tabLabels[i])
                AutofitHelper.create(customView?.findViewById(R.id.tab_item_label))
                main_tabs_holder.addTab(this)
            }
        }

        main_tabs_holder.onTabSelectionChanged(
            tabUnselectedAction = {
                updateBottomTabItemColors(it.customView, false)
            },
            tabSelectedAction = {
                view_pager.currentItem = it.position
                updateBottomTabItemColors(it.customView, true)
            }
        )
    }

    private fun setupTabColors() {
        val activeView = main_tabs_holder.getTabAt(view_pager.currentItem)?.customView
        updateBottomTabItemColors(activeView, true)

        getInactiveTabIndexes(view_pager.currentItem).forEach { index ->
            val inactiveView = main_tabs_holder.getTabAt(index)?.customView
            updateBottomTabItemColors(inactiveView, false)
        }

        main_tabs_holder.getTabAt(view_pager.currentItem)?.select()
        val bottomBarColor = getBottomTabsBackgroundColor()
        main_tabs_holder.setBackgroundColor(bottomBarColor)
        updateNavigationBarColor(bottomBarColor)
    }

    private fun getInactiveTabIndexes(activeIndex: Int) = arrayListOf(0, 1, 2, 3).filter { it != activeIndex }

    private fun launchSettings() {
        startActivity(Intent(applicationContext, SettingsActivity::class.java))
    }

    private fun launchAbout() {
        val licenses = LICENSE_STETHO or LICENSE_NUMBER_PICKER or LICENSE_RTL or LICENSE_AUTOFITTEXTVIEW

        val faqItems = arrayListOf(
            FAQItem(R.string.faq_1_title, R.string.faq_1_text),
            FAQItem(R.string.faq_1_title_commons, R.string.faq_1_text_commons),
            FAQItem(R.string.faq_4_title_commons, R.string.faq_4_text_commons),
            FAQItem(R.string.faq_9_title_commons, R.string.faq_9_text_commons)
        )

        if (!resources.getBoolean(R.bool.hide_google_relations)) {
            faqItems.add(FAQItem(R.string.faq_2_title_commons, R.string.faq_2_text_commons))
            faqItems.add(FAQItem(R.string.faq_6_title_commons, R.string.faq_6_text_commons))
        }

        startAboutActivity(R.string.app_name, licenses, BuildConfig.VERSION_NAME, faqItems, true)
    }
}