package com.lagradost.cloudstream3.metaproviders

import android.net.Uri
import com.lagradost.cloudstream3.*
import com.fasterxml.jackson.annotation.JsonAlias
import com.fasterxml.jackson.annotation.JsonProperty
import com.lagradost.cloudstream3.LoadResponse.Companion.addImdbId
import com.lagradost.cloudstream3.LoadResponse.Companion.addTMDbId
import com.lagradost.cloudstream3.LoadResponse.Companion.addTrailer
import com.lagradost.cloudstream3.mvvm.logError
import com.lagradost.cloudstream3.utils.AppUtils.parseJson
import com.lagradost.cloudstream3.utils.AppUtils.toJson
import java.util.Locale
import java.text.SimpleDateFormat
import kotlin.math.roundToInt

open class TraktProvider : MainAPI() {
    override var name = "Trakt"
    override val hasMainPage = true
    override val providerType = ProviderType.MetaProvider
    override val supportedTypes = setOf(
        TvType.Movie,
        TvType.TvSeries,
        TvType.Anime,
    )

    private val traktClientId = base64Decode("N2YzODYwYWQzNGI4ZTZmOTdmN2I5MTA0ZWQzMzEwOGI0MmQ3MTdlMTM0MmM2NGMxMTg5NGE1MjUyYTQ3NjE3Zg==")
    private val traktApiUrl = base64Decode("aHR0cHM6Ly9hcGl6LnRyYWt0LnR2")

    override val mainPage = mainPageOf(
        "$traktApiUrl/movies/trending" to "Trending Movies", //Most watched movies right now
        "$traktApiUrl/movies/popular" to "Popular Movies", //The most popular movies for all time
        "$traktApiUrl/shows/trending" to "Trending Shows", //Most watched Shows right now
        "$traktApiUrl/shows/popular" to "Popular Shows", //The most popular Shows for all time
    )

    override suspend fun getMainPage(page: Int, request: MainPageRequest): HomePageResponse {

        val apiResponse = getApi("${request.data}?extended=cloud9,full&page=$page")

        val results = parseJson<List<MediaDetails>>(apiResponse).map { element ->
            element.toSearchResponse()
        }
        return newHomePageResponse(request.name, results)
    }

    private fun MediaDetails.toSearchResponse(): SearchResponse {

        val media = this.media ?: this
        val mediaType = if (media.ids?.tvdb == null) TvType.Movie else TvType.TvSeries
        val poster = media.images?.poster?.firstOrNull()

        if (mediaType == TvType.Movie) {
            return newMovieSearchResponse(
                name = media.title!!,
                url = Data(
                    type = mediaType,
                    mediaDetails = media,
                ).toJson(),
                type = TvType.Movie,
            ) {
                posterUrl = fixPath(poster)
            }
        } else {
            return newTvSeriesSearchResponse(
                name = media.title!!,
                url = Data(
                    type = mediaType,
                    mediaDetails = media,
                ).toJson(),
                type = TvType.TvSeries,
            ) {
                this.posterUrl = fixPath(poster)
            }
        }
    }

    override suspend fun search(query: String): List<SearchResponse>? {
        val apiResponse = getApi("$traktApiUrl/search/movie,show?extended=cloud9,full&limit=20&page=1&query=$query")

        val results = parseJson<List<MediaDetails>>(apiResponse).map { element ->
            element.toSearchResponse()
        }

        return results
    }
    override suspend fun load(url: String): LoadResponse {

        val data = parseJson<Data>(url)
        val mediaDetails = data.mediaDetails
        val moviesOrShows = if (data.type == TvType.Movie) "movies" else "shows"

        val posterUrl = mediaDetails?.images?.poster?.firstOrNull()
        val backDropUrl = mediaDetails?.images?.fanart?.firstOrNull()

        val resActor = getApi("$traktApiUrl/$moviesOrShows/${mediaDetails?.ids?.trakt}/people?extended=cloud9,full")

        val actors = parseJson<People>(resActor).cast?.map {
            ActorData(
                Actor(
                    name = it.person?.name!!,
                    image = getWidthImageUrl(it.person.images?.headshot?.firstOrNull(), "w500")
                ),
                roleString = it.character
            )
        }

        val resRelated = getApi("$traktApiUrl/$moviesOrShows/${mediaDetails?.ids?.trakt}/related?extended=cloud9,full&limit=20")

        val relatedMedia = parseJson<List<MediaDetails>>(resRelated).map { it.toSearchResponse() }

        val isCartoon = mediaDetails?.genres?.contains("animation") == true || mediaDetails?.genres?.contains("anime") == true
        val isAnime = isCartoon && (mediaDetails?.language == "zh" || mediaDetails?.language == "ja")
        val isAsian = !isAnime && (mediaDetails?.language == "zh" || mediaDetails?.language == "ko")
        val isBollywood = mediaDetails?.country == "in"

        if (data.type == TvType.Movie) {

            val linkData = LinkData(
                id = mediaDetails?.ids?.tmdb,
                imdbId = mediaDetails?.ids?.imdb.toString(),
                tvdbId = mediaDetails?.ids?.tvdb,
                type = data.type.toString(),
                title = mediaDetails?.title,
                year = mediaDetails?.year,
                orgTitle = mediaDetails?.title,
                isAnime = isAnime,
                //jpTitle = later if needed as it requires another network request,
                airedDate = mediaDetails?.released
                    ?: mediaDetails?.firstAired,
                isAsian = isAsian,
                isBollywood = isBollywood,
            ).toJson()

            return newMovieLoadResponse(
                name = mediaDetails?.title!!,
                url = data.toJson(),
                dataUrl = linkData.toJson(),
                type = if (isAnime) TvType.AnimeMovie else TvType.Movie,
            ) {
                this.name = mediaDetails.title
                this.apiName = "Trakt"
                this.type = if (isAnime) TvType.AnimeMovie else TvType.Movie
                this.posterUrl = getOriginalWidthImageUrl(posterUrl)
                this.year = mediaDetails.year
                this.plot = mediaDetails.overview
                this.rating = mediaDetails.rating?.times(1000)?.roundToInt()
                this.tags = mediaDetails.genres
                this.duration = mediaDetails.runtime
                this.recommendations = relatedMedia
                this.actors = actors
                this.comingSoon = isUpcoming(mediaDetails.released)
                //posterHeaders
                this.backgroundPosterUrl = getOriginalWidthImageUrl(backDropUrl)
                this.contentRating = mediaDetails.certification
                addTrailer(mediaDetails.trailer)
                addImdbId(mediaDetails.ids?.imdb)
                addTMDbId(mediaDetails.ids?.tmdb.toString())
            }
        } else {

            val resSeasons = getApi("$traktApiUrl/shows/${mediaDetails?.ids?.trakt.toString()}/seasons?extended=cloud9,full,episodes")
            val episodes = mutableListOf<Episode>()
            val seasons = parseJson<List<Seasons>>(resSeasons)
            val seasonsNames = mutableListOf<SeasonData>()

            seasons.forEach { season ->

                seasonsNames.add(
                    SeasonData(
                        season.number!!,
                        season.title
                    )
                )

                season.episodes?.map { episode ->

                    val linkData = LinkData(
                        id = mediaDetails?.ids?.tmdb,
                        imdbId = mediaDetails?.ids?.imdb.toString(),
                        tvdbId = mediaDetails?.ids?.tvdb,
                        type = data.type.toString(),
                        season = episode.season,
                        episode = episode.number,
                        title = mediaDetails?.title,
                        year = mediaDetails?.year,
                        orgTitle = mediaDetails?.title,
                        isAnime = isAnime,
                        airedYear = mediaDetails?.year,
                        lastSeason = seasons.size,
                        epsTitle = episode.title,
                        //jpTitle = later if needed as it requires another network request,
                        date = episode.firstAired,
                        airedDate = episode.firstAired,
                        isAsian = isAsian,
                        isBollywood = isBollywood,
                        isCartoon = isCartoon
                    ).toJson()

                    episodes.add(
                        Episode(
                            data = linkData.toJson(),
                            name = episode.title,
                            season = episode.season,
                            episode = episode.number,
                            posterUrl = fixPath(episode.images?.screenshot?.firstOrNull()),
                            rating = episode.rating?.times(10)?.roundToInt(),
                            description = episode.overview,
                        ).apply {
                            this.addDate(episode.firstAired)
                        }
                    )
                }
            }

            return newTvSeriesLoadResponse(
                name = mediaDetails?.title!!,
                url = data.toJson(),
                type = if (isAnime) TvType.Anime else TvType.TvSeries,
                episodes = episodes
            ) {
                this.name = mediaDetails.title
                this.apiName = "Trakt"
                this.type = if (isAnime) TvType.Anime else TvType.TvSeries
                this.episodes = episodes
                this.posterUrl = getOriginalWidthImageUrl(posterUrl)
                this.year = mediaDetails.year
                this.plot = mediaDetails.overview
                this.showStatus = getStatus(mediaDetails.status)
                this.rating = mediaDetails.rating?.times(1000)?.roundToInt()
                this.tags = mediaDetails.genres
                this.duration = mediaDetails.runtime
                this.recommendations = relatedMedia
                this.actors = actors
                this.comingSoon = isUpcoming(mediaDetails.released)
                //posterHeaders
                this.seasonNames = seasonsNames
                this.backgroundPosterUrl = getOriginalWidthImageUrl(backDropUrl)
                this.contentRating = mediaDetails.certification
                addTrailer(mediaDetails.trailer)
                addImdbId(mediaDetails.ids?.imdb)
                addTMDbId(mediaDetails.ids?.tmdb.toString())
            }
        }
    }

    private suspend fun getApi(url: String) : String {
        return app.get(
            url = url,
            headers = mapOf(
                "Content-Type" to "application/json",
                "trakt-api-version" to "2",
                "trakt-api-key" to traktClientId,
            )
        ).toString()
    }

    private fun isUpcoming(dateString: String?): Boolean {
        return try {
            val format = SimpleDateFormat("yyyy-MM-dd", Locale.getDefault())
            val dateTime = dateString?.let { format.parse(it)?.time } ?: return false
            APIHolder.unixTimeMS < dateTime
        } catch (t: Throwable) {
            logError(t)
            false
        }
    }

    private fun getStatus(t: String?): ShowStatus {
        return when (t) {
            "returning series" -> ShowStatus.Ongoing
            "continuing" -> ShowStatus.Ongoing
            else -> ShowStatus.Completed
        }
    }

    private fun fixPath(url: String?): String? {
        url ?: return null
        return "https://$url"
    }

    private fun getWidthImageUrl(path: String?, width: String) : String? {
        if (path == null) return null
        if (!path.contains("image.tmdb.org")) return fixPath(path)
        val fileName = Uri.parse(path).lastPathSegment ?: return null
        return "https://image.tmdb.org/t/p/${width}/${fileName}"
    }

    private fun getOriginalWidthImageUrl(path: String?) : String? {
        if (path == null) return null
        if (!path.contains("image.tmdb.org")) return fixPath(path)
        return getWidthImageUrl(path, "original")
    }

    data class Data(
        val type: TvType? = null,
        val mediaDetails: MediaDetails? = null,
    )

    data class MediaDetails(
        @JsonProperty("title") val title: String? = null,
        @JsonProperty("year") val year: Int? = null,
        @JsonProperty("ids") val ids: Ids? = null,
        @JsonProperty("tagline") val tagline: String? = null,
        @JsonProperty("overview") val overview: String? = null,
        @JsonProperty("released") val released: String? = null,
        @JsonProperty("runtime") val runtime: Int? = null,
        @JsonProperty("country") val country: String? = null,
        @JsonProperty("updatedAt") val updatedAt: String? = null,
        @JsonProperty("trailer") val trailer: String? = null,
        @JsonProperty("homepage") val homepage: String? = null,
        @JsonProperty("status") val status: String? = null,
        @JsonProperty("rating") val rating: Double? = null,
        @JsonProperty("votes") val votes: Long? = null,
        @JsonProperty("comment_count") val commentCount: Long? = null,
        @JsonProperty("language") val language: String? = null,
        @JsonProperty("languages") val languages: List<String>? = null,
        @JsonProperty("available_translations") val availableTranslations: List<String>? = null,
        @JsonProperty("genres") val genres: List<String>? = null,
        @JsonProperty("certification") val certification: String? = null,
        @JsonProperty("aired_episodes") val airedEpisodes: Int? = null,
        @JsonProperty("first_aired") val firstAired: String? = null,
        @JsonProperty("airs") val airs: Airs? = null,
        @JsonProperty("network") val network: String? = null,
        @JsonProperty("images") val images: Images? = null,
        @JsonProperty("movie") @JsonAlias("show") val media: MediaDetails? = null
    )

    data class Airs(
        @JsonProperty("day") val day: String? = null,
        @JsonProperty("time") val time: String? = null,
        @JsonProperty("timezone") val timezone: String? = null,
    )

    data class Ids(
        @JsonProperty("trakt") val trakt: Int? = null,
        @JsonProperty("slug") val slug: String? = null,
        @JsonProperty("tvdb") val tvdb: Int? = null,
        @JsonProperty("imdb") val imdb: String? = null,
        @JsonProperty("tmdb") val tmdb: Int? = null,
        @JsonProperty("tvrage") val tvrage: String? = null,
    )

    data class Images(
        @JsonProperty("fanart") val fanart: List<String>? = null,
        @JsonProperty("poster") val poster: List<String>? = null,
        @JsonProperty("logo") val logo: List<String>? = null,
        @JsonProperty("clearart") val clearart: List<String>? = null,
        @JsonProperty("banner") val banner: List<String>? = null,
        @JsonProperty("thumb") val thumb: List<String>? = null,
        @JsonProperty("screenshot") val screenshot: List<String>? = null,
        @JsonProperty("headshot") val headshot: List<String>? = null,
    )

    data class People(
        @JsonProperty("cast") val cast: List<Cast>? = null,
    )

    data class Cast(
        @JsonProperty("character") val character: String? = null,
        @JsonProperty("characters") val characters: List<String>? = null,
        @JsonProperty("episode_count") val episodeCount: Long? = null,
        @JsonProperty("person") val person: Person? = null,
        @JsonProperty("images") val images: Images? = null,
    )

    data class Person(
        @JsonProperty("name") val name: String? = null,
        @JsonProperty("ids") val ids: Ids? = null,
        @JsonProperty("images") val images: Images? = null,
    )

    data class Seasons(
        @JsonProperty("aired_episodes") val airedEpisodes: Int? = null,
        @JsonProperty("episode_count") val episodeCount: Int? = null,
        @JsonProperty("episodes") val episodes: List<TraktEpisode>? = null,
        @JsonProperty("first_aired") val firstAired: String? = null,
        @JsonProperty("ids") val ids: Ids? = null,
        @JsonProperty("images") val images: Images? = null,
        @JsonProperty("network") val network: String? = null,
        @JsonProperty("number") val number: Int? = null,
        @JsonProperty("overview") val overview: String? = null,
        @JsonProperty("rating") val rating: Double? = null,
        @JsonProperty("title") val title: String? = null,
        @JsonProperty("updated_at") val updatedAt: String? = null,
        @JsonProperty("votes") val votes: Int? = null,
    )

    data class TraktEpisode(
        @JsonProperty("available_translations") val availableTranslations: List<String>? = null,
        @JsonProperty("comment_count") val commentCount: Int? = null,
        @JsonProperty("episode_type") val episodeType: String? = null,
        @JsonProperty("first_aired") val firstAired: String? = null,
        @JsonProperty("ids") val ids: Ids? = null,
        @JsonProperty("images") val images: Images? = null,
        @JsonProperty("number") val number: Int? = null,
        @JsonProperty("number_abs") val numberAbs: Int? = null,
        @JsonProperty("overview") val overview: String? = null,
        @JsonProperty("rating") val rating: Double? = null,
        @JsonProperty("runtime") val runtime: Int? = null,
        @JsonProperty("season") val season: Int? = null,
        @JsonProperty("title") val title: String? = null,
        @JsonProperty("updated_at") val updatedAt: String? = null,
        @JsonProperty("votes") val votes: Int? = null,
    )

    data class LinkData(
        val id: Int? = null,
        val imdbId: String? = null,
        val tvdbId: Int? = null,
        val type: String? = null,
        val season: Int? = null,
        val episode: Int? = null,
        val aniId: String? = null,
        val animeId: String? = null,
        val title: String? = null,
        val year: Int? = null,
        val orgTitle: String? = null,
        val isAnime: Boolean = false,
        val airedYear: Int? = null,
        val lastSeason: Int? = null,
        val epsTitle: String? = null,
        val jpTitle: String? = null,
        val date: String? = null,
        val airedDate: String? = null,
        val isAsian: Boolean = false,
        val isBollywood: Boolean = false,
        val isCartoon: Boolean = false,
    )
}