PlayerAndroid/app/src/main/java/code/name/monkey/retromusic/fragments/MiniPlayerFragment.kt

package code.name.monkey.retromusic.fragments

import android.animation.ObjectAnimator
import android.annotation.SuppressLint
import android.content.Context
import android.os.Bundle
import android.text.SpannableString
import android.text.SpannableStringBuilder
import android.text.style.ForegroundColorSpan
import android.view.GestureDetector
import android.view.MotionEvent
import android.view.View
import android.view.animation.DecelerateInterpolator
import code.name.monkey.appthemehelper.ThemeStore
import code.name.monkey.retromusic.R
import code.name.monkey.retromusic.extensions.show
import code.name.monkey.retromusic.extensions.textColorPrimary
import code.name.monkey.retromusic.extensions.textColorSecondary
import code.name.monkey.retromusic.fragments.base.AbsMusicServiceFragment
import code.name.monkey.retromusic.helper.MusicPlayerRemote
import code.name.monkey.retromusic.helper.MusicProgressViewUpdateHelper
import code.name.monkey.retromusic.helper.PlayPauseButtonOnClickHandler
import code.name.monkey.retromusic.util.PreferenceUtil
import code.name.monkey.retromusic.util.RetroUtil
import code.name.monkey.retromusic.util.ViewUtil
import kotlinx.android.synthetic.main.fragment_mini_player.*
import kotlin.math.abs

open class MiniPlayerFragment : AbsMusicServiceFragment(R.layout.fragment_mini_player),
    MusicProgressViewUpdateHelper.Callback, View.OnClickListener {

    private lateinit var progressViewUpdateHelper: MusicProgressViewUpdateHelper

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        progressViewUpdateHelper = MusicProgressViewUpdateHelper(this)
    }

    override fun onClick(view: View) {
        when (view.id) {
            R.id.actionNext -> MusicPlayerRemote.playNextSong()
            R.id.actionPrevious -> MusicPlayerRemote.back()
        }
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        view.setOnTouchListener(FlingPlayBackController(requireContext()))
        setUpMiniPlayer()

        if (RetroUtil.isTablet()) {
            actionNext.show()
            actionPrevious.show()
            actionNext?.show()
            actionPrevious?.show()

        } else {
            actionNext.visibility = if (PreferenceUtil.isExtraControls) View.VISIBLE else View.GONE
            actionPrevious.visibility =
                if (PreferenceUtil.isExtraControls) View.VISIBLE else View.GONE
        }
        actionNext.setOnClickListener(this)
        actionPrevious.setOnClickListener(this)
        actionNext?.setOnClickListener(this)
        actionPrevious?.setOnClickListener(this)
    }

    private fun setUpMiniPlayer() {
        setUpPlayPauseButton()
        ViewUtil.setProgressDrawable(progressBar, ThemeStore.accentColor(requireContext()))
    }

    private fun setUpPlayPauseButton() {
        miniPlayerPlayPauseButton.setOnClickListener(PlayPauseButtonOnClickHandler())
    }

    private fun updateSongTitle() {
        val builder = SpannableStringBuilder()

        val song = MusicPlayerRemote.currentSong
        val title = SpannableString(song.title)
        title.setSpan(ForegroundColorSpan(textColorPrimary()), 0, title.length, 0)

        val text = SpannableString(song.artistName)
        text.setSpan(ForegroundColorSpan(textColorSecondary()), 0, text.length, 0)

        builder.append(title).append(" • ").append(text)

        miniPlayerTitle.isSelected = true
        miniPlayerTitle.text = builder
    }

    override fun onServiceConnected() {
        updateSongTitle()
        updatePlayPauseDrawableState()
    }

    override fun onPlayingMetaChanged() {
        updateSongTitle()
    }

    override fun onPlayStateChanged() {
        updatePlayPauseDrawableState()
    }

    override fun onUpdateProgressViews(progress: Int, total: Int) {
        progressBar.max = total
        val animator = ObjectAnimator.ofInt(progressBar, "progress", progress)
        animator.duration = 1000
        animator.interpolator = DecelerateInterpolator()
        animator.start()
    }

    override fun onResume() {
        super.onResume()
        progressViewUpdateHelper.start()
    }

    override fun onPause() {
        super.onPause()
        progressViewUpdateHelper.stop()
    }

    protected fun updatePlayPauseDrawableState() {
        if (MusicPlayerRemote.isPlaying) {
            miniPlayerPlayPauseButton.setImageResource(R.drawable.ic_pause)
        } else {
            miniPlayerPlayPauseButton.setImageResource(R.drawable.ic_play_arrow)
        }
    }

    class FlingPlayBackController(context: Context) : View.OnTouchListener {

        private var flingPlayBackController: GestureDetector

        init {
            flingPlayBackController = GestureDetector(context,
                object : GestureDetector.SimpleOnGestureListener() {
                    override fun onFling(
                        e1: MotionEvent, e2: MotionEvent, velocityX: Float,
                        velocityY: Float
                    ): Boolean {
                        if (abs(velocityX) > abs(velocityY)) {
                            if (velocityX < 0) {
                                MusicPlayerRemote.playNextSong()
                                return true
                            } else if (velocityX > 0) {
                                MusicPlayerRemote.playPreviousSong()
                                return true
                            }
                        }
                        return false
                    }
                })
        }

        @SuppressLint("ClickableViewAccessibility")
        override fun onTouch(v: View, event: MotionEvent): Boolean {
            return flingPlayBackController.onTouchEvent(event)
        }
    }
}