/*
 * Copyright (c) 2020 Hemanth Savarla.
 *
 * Licensed under the GNU General Public License v3
 *
 * This 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 software 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.
 *
 */
package code.name.monkey.retromusic.fragments.other

import android.content.Context
import android.graphics.Color
import android.graphics.PorterDuff
import android.media.AudioManager
import android.os.Bundle
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.SeekBar
import androidx.fragment.app.Fragment
import code.name.monkey.appthemehelper.ThemeStore
import code.name.monkey.retromusic.R
import code.name.monkey.retromusic.databinding.FragmentVolumeBinding
import code.name.monkey.retromusic.extensions.applyColor
import code.name.monkey.retromusic.helper.MusicPlayerRemote
import code.name.monkey.retromusic.util.PreferenceUtil
import code.name.monkey.retromusic.volume.AudioVolumeObserver
import code.name.monkey.retromusic.volume.OnAudioVolumeChangedListener

class VolumeFragment : Fragment(), SeekBar.OnSeekBarChangeListener, OnAudioVolumeChangedListener,
    View.OnClickListener {

    private var _binding: FragmentVolumeBinding? = null
    private val binding get() = _binding!!

    private var audioVolumeObserver: AudioVolumeObserver? = null

    private val audioManager: AudioManager
        get() = requireContext().getSystemService(Context.AUDIO_SERVICE) as AudioManager

    override fun onCreateView(
        inflater: LayoutInflater,
        container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View {
        _binding = FragmentVolumeBinding.inflate(inflater, container, false)
        return binding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        setTintable(ThemeStore.accentColor(requireContext()))
        binding.volumeDown.setOnClickListener(this)
        binding.volumeUp.setOnClickListener(this)
    }

    override fun onResume() {
        super.onResume()
        if (audioVolumeObserver == null) {
            audioVolumeObserver = AudioVolumeObserver(requireActivity())
        }
        audioVolumeObserver?.register(AudioManager.STREAM_MUSIC, this)

        val audioManager = audioManager
        binding.volumeSeekBar.max = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC)
        binding.volumeSeekBar.progress = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC)
        binding.volumeSeekBar.setOnSeekBarChangeListener(this)
    }

    override fun onAudioVolumeChanged(currentVolume: Int, maxVolume: Int) {
        if (_binding != null) {
            binding.volumeSeekBar.max = maxVolume
            binding.volumeSeekBar.progress = currentVolume
            binding.volumeDown.setImageResource(if (currentVolume == 0) R.drawable.ic_volume_off else R.drawable.ic_volume_down)
        }
    }

    override fun onDestroyView() {
        super.onDestroyView()
        audioVolumeObserver?.unregister()
        _binding = null
    }

    override fun onProgressChanged(seekBar: SeekBar, i: Int, b: Boolean) {
        val audioManager = audioManager
        audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, i, 0)
        setPauseWhenZeroVolume(i < 1)
        binding.volumeDown.setImageResource(if (i == 0) R.drawable.ic_volume_off else R.drawable.ic_volume_down)
    }

    override fun onStartTrackingTouch(seekBar: SeekBar) {
    }

    override fun onStopTrackingTouch(seekBar: SeekBar) {
    }

    override fun onClick(view: View) {
        val audioManager = audioManager
        when (view.id) {
            R.id.volumeDown -> audioManager.adjustStreamVolume(
                AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER, 0
            )
            R.id.volumeUp -> audioManager.adjustStreamVolume(
                AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, 0
            )
        }
    }

    fun tintWhiteColor() {
        val color = Color.WHITE
        binding.volumeDown.setColorFilter(color, PorterDuff.Mode.SRC_IN)
        binding.volumeUp.setColorFilter(color, PorterDuff.Mode.SRC_IN)
        binding.volumeSeekBar.applyColor(color)
    }

    fun setTintable(color: Int) {
        binding.volumeSeekBar.applyColor(color)
    }

    private fun setPauseWhenZeroVolume(pauseWhenZeroVolume: Boolean) {
        if (PreferenceUtil.isPauseOnZeroVolume)
            if (MusicPlayerRemote.isPlaying && pauseWhenZeroVolume)
                MusicPlayerRemote.pauseSong()
    }

    fun setTintableColor(color: Int) {
        binding.volumeDown.setColorFilter(color, PorterDuff.Mode.SRC_IN)
        binding.volumeUp.setColorFilter(color, PorterDuff.Mode.SRC_IN)
        // TintHelper.setTint(volumeSeekBar, color, false)
        binding.volumeSeekBar.applyColor(color)
    }

    companion object {

        fun newInstance(): VolumeFragment {
            return VolumeFragment()
        }
    }
}