package com.lagradost.cloudstream3.ui.player

import android.content.Context
import com.lagradost.cloudstream3.ui.subtitles.SaveCaptionStyle
import com.lagradost.cloudstream3.utils.ExtractorLink
import com.lagradost.cloudstream3.utils.ExtractorUri

enum class PlayerEventType(val value: Int) {
    //Stop(-1),
    Pause(0),
    Play(1),
    SeekForward(2),
    SeekBack(3),

    //SkipCurrentChapter(4),
    NextEpisode(5),
    PrevEpisode(5),
    PlayPauseToggle(7),
    ToggleMute(8),
    Lock(9),
    ToggleHide(10),
    ShowSpeed(11),
    ShowMirrors(12),
    Resize(13),
}

enum class CSPlayerEvent(val value: Int) {
    Pause(0),
    Play(1),
    SeekForward(2),
    SeekBack(3),

    //SkipCurrentChapter(4),
    NextEpisode(5),
    PrevEpisode(6),
    PlayPauseToggle(7),
    ToggleMute(8),
}

enum class CSPlayerLoading {
    IsPaused,
    IsPlaying,
    IsBuffering,
    //IsDone,
}

class InvalidFileException(msg : String) : Exception(msg)

//http://commondatastorage.googleapis.com/gtv-videos-bucket/sample/BigBuckBunny.mp4
const val STATE_RESUME_WINDOW = "resumeWindow"
const val STATE_RESUME_POSITION = "resumePosition"
const val STATE_PLAYER_FULLSCREEN = "playerFullscreen"
const val STATE_PLAYER_PLAYING = "playerOnPlay"
const val ACTION_MEDIA_CONTROL = "media_control"
const val EXTRA_CONTROL_TYPE = "control_type"
const val PLAYBACK_SPEED = "playback_speed"
const val RESIZE_MODE_KEY = "resize_mode" // Last used resize mode
const val PLAYBACK_SPEED_KEY = "playback_speed" // Last used playback speed
const val PREFERRED_SUBS_KEY = "preferred_subtitles" // Last used resize mode
//const val PLAYBACK_FASTFORWARD = "playback_fastforward" // Last used resize mode

/** Abstract Exoplayer logic, can be expanded to other players */
interface IPlayer {
    fun getPlaybackSpeed(): Float
    fun setPlaybackSpeed(speed: Float)

    fun getIsPlaying(): Boolean
    fun getDuration(): Long?
    fun getPosition(): Long?

    fun seekTime(time: Long)
    fun seekTo(time: Long)

    fun getSubtitleOffset() : Long // in ms
    fun setSubtitleOffset(offset : Long) // in ms

    fun initCallbacks(
        playerUpdated: (Any?) -> Unit,                              // attach player to view
        updateIsPlaying: ((Pair<CSPlayerLoading, CSPlayerLoading>) -> Unit)? = null, // (wasPlaying, isPlaying)
        requestAutoFocus: (() -> Unit)? = null,                     // current player starts, asking for all other programs to shut the fuck up
        playerError: ((Exception) -> Unit)? = null,                 // player error when rendering or misc, used to display toast or log
        playerDimensionsLoaded: ((Pair<Int, Int>) -> Unit)? = null, // (with, height), for UI
        requestedListeningPercentages: List<Int>? = null,           // this is used to request when the player should report back view percentage
        playerPositionChanged: ((Pair<Long, Long>) -> Unit)? = null,// (position, duration) this is used to update UI based of the current time
        nextEpisode: (() -> Unit)? = null,                          // this is used by the player to load the next episode
        prevEpisode: (() -> Unit)? = null,                          // this is used by the player to load the previous episode
        subtitlesUpdates: (() -> Unit)? = null,                     // callback from player to inform that subtitles have updated in some way
    )

    fun updateSubtitleStyle(style: SaveCaptionStyle)
    fun loadPlayer(
        context: Context,
        sameEpisode: Boolean,
        link: ExtractorLink? = null,
        data: ExtractorUri? = null,
        startPosition: Long? = null,
        subtitles : Set<SubtitleData>,
        subtitle : SubtitleData?,
    )

    fun reloadPlayer(context: Context)

    fun setActiveSubtitles(subtitles : Set<SubtitleData>)
    fun setPreferredSubtitles(subtitle : SubtitleData?) : Boolean // returns true if the player requires a reload, null for nothing
    fun getCurrentPreferredSubtitle() : SubtitleData?

    fun handleEvent(event: CSPlayerEvent)

    fun onStop()
    fun onPause()
    fun onResume(context: Context)

    fun release()
}