-module(inlay@spotify).
-compile([no_auto_import, nowarn_unused_vars, nowarn_unused_function, nowarn_nomatch, inline]).
-define(FILEPATH, "src/inlay/spotify.gleam").
-export([detect/1, render/2]).

-file("src/inlay/spotify.gleam", 80).
-spec validate_id(binary(), inlay@embed:spotify_media_type()) -> gleam@option:option(inlay@embed:embed()).
validate_id(Id, Media_type) ->
    case string:length(Id) =:= 22 of
        true ->
            {some, {spotify_media, Media_type, Id}};

        false ->
            none
    end.

-file("src/inlay/spotify.gleam", 68).
-spec detect_spotify(gleam@uri:uri()) -> gleam@option:option(inlay@embed:embed()).
detect_spotify(Url) ->
    case gleam@uri:path_segments(erlang:element(6, Url)) of
        [<<"track"/utf8>>, Id] ->
            validate_id(Id, spotify_track);

        [<<"album"/utf8>>, Id@1] ->
            validate_id(Id@1, spotify_album);

        [<<"playlist"/utf8>>, Id@2] ->
            validate_id(Id@2, spotify_playlist);

        [<<"artist"/utf8>>, Id@3] ->
            validate_id(Id@3, spotify_artist);

        [<<"episode"/utf8>>, Id@4] ->
            validate_id(Id@4, spotify_episode);

        [<<"show"/utf8>>, Id@5] ->
            validate_id(Id@5, spotify_show);

        _ ->
            none
    end.

-file("src/inlay/spotify.gleam", 12).
-spec detect(gleam@uri:uri()) -> gleam@option:option(inlay@embed:embed()).
detect(Url) ->
    case erlang:element(4, Url) of
        {some, <<"open.spotify.com"/utf8>>} ->
            detect_spotify(Url);

        _ ->
            none
    end.

-file("src/inlay/spotify.gleam", 90).
-spec media_type_to_string(inlay@embed:spotify_media_type()) -> binary().
media_type_to_string(Media_type) ->
    case Media_type of
        spotify_track ->
            <<"track"/utf8>>;

        spotify_album ->
            <<"album"/utf8>>;

        spotify_playlist ->
            <<"playlist"/utf8>>;

        spotify_artist ->
            <<"artist"/utf8>>;

        spotify_episode ->
            <<"episode"/utf8>>;

        spotify_show ->
            <<"show"/utf8>>
    end.

-file("src/inlay/spotify.gleam", 19).
-spec render(inlay@embed:embed(), inlay@embed:config()) -> {ok,
        lustre@vdom@vnode:element(any())} |
    {error, nil}.
render(Embed, Config) ->
    case Embed of
        {spotify_media, Media_type, Id} ->
            Type_str = media_type_to_string(Media_type),
            Src = <<<<<<"https://open.spotify.com/embed/"/utf8,
                        Type_str/binary>>/binary,
                    "/"/utf8>>/binary,
                Id/binary>>,
            {Width, Track_height, Other_height} = case erlang:element(4, Config) of
                {some, {spotify_config, W, H, Th}} ->
                    {gleam@option:unwrap(W, 300),
                        gleam@option:unwrap(Th, 152),
                        gleam@option:unwrap(H, 352)};

                none ->
                    {300, 152, 352}
            end,
            Height = case Media_type of
                spotify_track ->
                    Track_height;

                spotify_album ->
                    Other_height;

                spotify_playlist ->
                    Other_height;

                spotify_artist ->
                    Other_height;

                spotify_episode ->
                    Other_height;

                spotify_show ->
                    Other_height
            end,
            {ok,
                lustre@element@html:'div'(
                    [lustre@attribute:styles(
                            [{<<"border-radius"/utf8>>, <<"12px"/utf8>>},
                                {<<"overflow"/utf8>>, <<"hidden"/utf8>>}]
                        )],
                    [lustre@element@html:iframe(
                            [lustre@attribute:src(Src),
                                lustre@attribute:width(Width),
                                lustre@attribute:height(Height),
                                lustre@attribute:attribute(
                                    <<"frameborder"/utf8>>,
                                    <<"0"/utf8>>
                                ),
                                lustre@attribute:attribute(
                                    <<"allow"/utf8>>,
                                    <<"autoplay; clipboard-write; encrypted-media; fullscreen; picture-in-picture"/utf8>>
                                ),
                                lustre@attribute:attribute(
                                    <<"loading"/utf8>>,
                                    <<"lazy"/utf8>>
                                )]
                        )]
                )};

        _ ->
            {error, nil}
    end.