package YTMusicAPI::Navigation;

use strict;
use warnings;

use Exporter 'import';

our $CONTENT             = [ "contents", 0 ];
our $RUN_TEXT            = [ "runs",     0, "text" ];
our $TAB_CONTENT         = [ "tabs",     0, "tabRenderer", "content" ];
our $TAB_1_CONTENT       = [ "tabs",     1, "tabRenderer", "content" ];
our $TWO_COLUMN_RENDERER = [ "contents", "twoColumnBrowseResultsRenderer" ];
our $SINGLE_COLUMN       = [ "contents", "singleColumnBrowseResultsRenderer" ];
our $SINGLE_COLUMN_TAB   = [ @$SINGLE_COLUMN, @$TAB_CONTENT ];
our $SECTION             = ["sectionListRenderer"];
our $SECTION_LIST        = [ @$SECTION, "contents" ];
our $SECTION_LIST_ITEM   = [ @$SECTION, @$CONTENT ];
our $RESPONSIVE_HEADER   = ["musicResponsiveHeaderRenderer"];
our $ITEM_SECTION        = [ "itemSectionRenderer", @$CONTENT ];
our $MUSIC_SHELF         = ["musicShelfRenderer"];
our $GRID                = ["gridRenderer"];
our $GRID_ITEMS          = [ @$GRID, "items" ];
our $MENU                = [ "menu", "menuRenderer" ];
our $MENU_ITEMS          = [ @$MENU, "items" ];
our $MENU_LIKE_STATUS =
  [ @$MENU, "topLevelButtons", 0, "likeButtonRenderer", "likeStatus" ];
our $MENU_SERVICE = [ "menuServiceItemRenderer", "serviceEndpoint" ];
our $TOGGLE_MENU  = "toggleMenuServiceItemRenderer";
our $OVERLAY_RENDERER =
  [ "musicItemThumbnailOverlayRenderer", "content", "musicPlayButtonRenderer" ];
our $PLAY_BUTTON          = [ "overlay",            @$OVERLAY_RENDERER ];
our $NAVIGATION_BROWSE    = [ "navigationEndpoint", "browseEndpoint" ];
our $NAVIGATION_BROWSE_ID = [ @$NAVIGATION_BROWSE, "browseId" ];
our $PAGE_TYPE            = [
    "browseEndpointContextSupportedConfigs",
    "browseEndpointContextMusicConfig",
    "pageType"
];
our $WATCH_VIDEO_ID      = [ "watchEndpoint",      "videoId" ];
our $NAVIGATION_VIDEO_ID = [ "navigationEndpoint", @$WATCH_VIDEO_ID ];
our $QUEUE_VIDEO_ID      = [ "queueAddEndpoint",   "queueTarget", "videoId" ];
our $NAVIGATION_PLAYLIST_ID =
  [ "navigationEndpoint", "watchEndpoint", "playlistId" ];
our $WATCH_PID                    = [ "watchPlaylistEndpoint", "playlistId" ];
our $NAVIGATION_WATCH_PLAYLIST_ID = [ "navigationEndpoint",    @$WATCH_PID ];
our $NAVIGATION_VIDEO_TYPE        = [
    "watchEndpoint",            "watchEndpointMusicSupportedConfigs",
    "watchEndpointMusicConfig", "musicVideoType",
];
our $ICON_TYPE      = [ "icon",                 "iconType" ];
our $TOGGLED_BUTTON = [ "toggleButtonRenderer", "isToggled" ];
our $TITLE          = [ "title",                "runs", 0 ];
our $TITLE_TEXT     = [ "title",                @$RUN_TEXT ];
our $TEXT_RUNS      = [ "text",                 "runs" ];
our $TEXT_RUN       = [ @$TEXT_RUNS, 0 ];
our $TEXT_RUN_TEXT  = [ @$TEXT_RUN,  "text" ];
our $SUBTITLE       = [ "subtitle", @$RUN_TEXT ];
our $SUBTITLE_RUNS  = [ "subtitle", "runs" ];
our $SUBTITLE_RUN   = [ @$SUBTITLE_RUNS, 0 ];
our $SUBTITLE2      = [ @$SUBTITLE_RUNS, 2, "text" ];
our $SUBTITLE3      = [ @$SUBTITLE_RUNS, 4, "text" ];
our $THUMBNAIL      = [ "thumbnail", "thumbnails" ];
our $THUMBNAILS     = [ "thumbnail", "musicThumbnailRenderer", @$THUMBNAIL ];
our $THUMBNAIL_RENDERER =
  [ "thumbnailRenderer", "musicThumbnailRenderer", @$THUMBNAIL ];
our $THUMBNAIL_OVERLAY = [
    "thumbnailOverlay",       @$OVERLAY_RENDERER,
    "playNavigationEndpoint", @$WATCH_PID
];
our $THUMBNAIL_CROPPED =
  [ "thumbnail", "croppedSquareThumbnailRenderer", @$THUMBNAIL ];
our $FEEDBACK_TOKEN = [ "feedbackEndpoint", "feedbackToken" ];
our $BADGE_PATH     = [
    0,                   "musicInlineBadgeRenderer",
    "accessibilityData", "accessibilityData",
    "label"
];
our $BADGE_LABEL          = [ "badges",         @$BADGE_PATH ];
our $SUBTITLE_BADGE_LABEL = [ "subtitleBadges", @$BADGE_PATH ];
our $CATEGORY_TITLE =
  [ "musicNavigationButtonRenderer", "buttonText", @$RUN_TEXT ];
our $CATEGORY_PARAMS = [
    "musicNavigationButtonRenderer", "clickCommand",
    "browseEndpoint",                "params"
];
our $MMRIR                = "musicMultiRowListItemRenderer";
our $MRLIR                = "musicResponsiveListItemRenderer";
our $MTRIR                = "musicTwoRowItemRenderer";
our $MNIR                 = "menuNavigationItemRenderer";
our $TASTE_PROFILE_ITEMS  = [ "contents", "tastebuilderRenderer", "contents" ];
our $TASTE_PROFILE_ARTIST = [ "title",    "runs" ];
our $SECTION_LIST_CONTINUATION =
  [ "continuationContents", "sectionListContinuation" ];
our $MENU_PLAYLIST_ID =
  [ @$MENU_ITEMS, 0, $MNIR, @$NAVIGATION_WATCH_PLAYLIST_ID ];
our $MULTI_SELECT        = ["musicMultiSelectMenuItemRenderer"];
our $HEADER_DETAIL       = [ "header", "musicDetailHeaderRenderer" ];
our $HEADER_SIDE         = [ "header", "musicSideAlignedItemRenderer" ];
our $HEADER_MUSIC_VISUAL = [ "header", "musicVisualHeaderRenderer" ];
our $DESCRIPTION_SHELF   = ["musicDescriptionShelfRenderer"];
our $DESCRIPTION         = [ "description", @$RUN_TEXT ];
our $CAROUSEL            = ["musicCarouselShelfRenderer"];
our $IMMERSIVE_CAROUSEL  = ["musicImmersiveCarouselShelfRenderer"];
our $CAROUSEL_CONTENTS   = [ @$CAROUSEL, "contents" ];
our $CAROUSEL_TITLE =
  [ "header", "musicCarouselShelfBasicHeaderRenderer", @$TITLE ];
our $CARD_SHELF_TITLE =
  [ "header", "musicCardShelfHeaderBasicRenderer", @$TITLE_TEXT ];
our $FRAMEWORK_MUTATIONS =
  [ "frameworkUpdates", "entityBatchUpdate", "mutations" ];

sub nav {
    my ( $root, $items, $none_if_absent ) = @_;
    $none_if_absent //= 0;

    if (!ref($items)) {
        $root = $root->{$items};
        return $root;
    }

    foreach my $k (@$items) {
        if ( ref($root) eq 'HASH' && exists $root->{$k} ) {
            $root = $root->{$k};
        }
        elsif ( ref($root) eq 'ARRAY' && $k =~ /^\d+$/ && $k < @$root ) {
            $root = $root->[$k];
        }
        else {
            if ($none_if_absent) {
                return undef;
            }
            else {
                die "Unable to find '$k' using path @$items on $root";
            }
        }
    }

    return $root;
}

sub find_object_by_key {
    my ( $object_list, $key, $nested, $is_key ) = @_;

    foreach my $item (@$object_list) {
        if ($nested) {
            $item = $item->{$nested};
        }
        if ( exists $item->{$key} ) {
            return $is_key ? $item->{$key} : $item;
        }
    }

    return undef;
}

sub find_objects_by_key {
    my ( $object_list, $key, $nested ) = @_;
    my @objects;

    foreach my $item (@$object_list) {
        if ($nested) {
            $item = $item->{$nested};
        }
        if ( exists $item->{$key} ) {
            push @objects, $item;
        }
    }

    return \@objects;
}

our @EXPORT = qw(
  $CONTENT
  $RUN_TEXT
  $TAB_CONTENT
  $TAB_1_CONTENT
  $TWO_COLUMN_RENDERER
  $SINGLE_COLUMN
  $SINGLE_COLUMN_TAB
  $SECTION
  $SECTION_LIST
  $SECTION_LIST_ITEM
  $RESPONSIVE_HEADER
  $ITEM_SECTION
  $MUSIC_SHELF
  $GRID
  $GRID_ITEMS
  $MENU
  $MENU_ITEMS
  $MENU_LIKE_STATUS
  $MENU_SERVICE
  $TOGGLE_MENU
  $OVERLAY_RENDERER
  $PLAY_BUTTON
  $NAVIGATION_BROWSE
  $NAVIGATION_BROWSE_ID
  $PAGE_TYPE
  $WATCH_VIDEO_ID
  $NAVIGATION_VIDEO_ID
  $QUEUE_VIDEO_ID
  $NAVIGATION_PLAYLIST_ID
  $WATCH_PID
  $NAVIGATION_WATCH_PLAYLIST_ID
  $NAVIGATION_VIDEO_TYPE
  $ICON_TYPE
  $TOGGLED_BUTTON
  $TITLE
  $TITLE_TEXT
  $TEXT_RUNS
  $TEXT_RUN
  $TEXT_RUN_TEXT
  $SUBTITLE
  $SUBTITLE_RUNS
  $SUBTITLE_RUN
  $SUBTITLE2
  $SUBTITLE3
  $THUMBNAIL
  $THUMBNAILS
  $THUMBNAIL_RENDERER
  $THUMBNAIL_OVERLAY
  $THUMBNAIL_CROPPED
  $FEEDBACK_TOKEN
  $BADGE_PATH
  $BADGE_LABEL
  $SUBTITLE_BADGE_LABEL
  $CATEGORY_TITLE
  $CATEGORY_PARAMS
  $MMRIR
  $MRLIR
  $MTRIR
  $MNIR
  $TASTE_PROFILE_ITEMS
  $TASTE_PROFILE_ARTIST
  $SECTION_LIST_CONTINUATION
  $MENU_PLAYLIST_ID
  $MULTI_SELECT
  $HEADER_DETAIL
  $HEADER_SIDE
  $HEADER_MUSIC_VISUAL
  $DESCRIPTION_SHELF
  $DESCRIPTION
  $CAROUSEL
  $IMMERSIVE_CAROUSEL
  $CAROUSEL_CONTENTS
  $CAROUSEL_TITLE
  $CARD_SHELF_TITLE
  $FRAMEWORK_MUTATIONS
  nav
  find_object_by_key
  find_objects_by_key
);

1;