<?php

const DEFAULT_SCRAPERS = [
    "web" => config::SCRAPER_WEB,
    "images" => config::SCRAPER_IMAGES,
    "news" => config::SCRAPER_NEWS,
    "videos" => config::SCRAPER_VIDEOS,
    "music" => config::SCRAPER_MUSIC,
];

const AVAILABLE_SCRAPERS = [
    "web" => [
        "ddg" => "DuckDuckGo",
        //"yahoo" => "Yahoo!",
        "brave" => "Brave",
        "yandex" => "Yandex",
        "google" => "Google",
        "google_api" => "Google API",
        "google_cse" => "Google CSE",
        "yahoo_japan" => "Yahoo! JAPAN",
        "startpage" => "Startpage",
        "qwant" => "Qwant",
        "ghostery" => "Ghostery",
        "yep" => "Yep",
        "mwmbl" => "Mwmbl",
        "mojeek" => "Mojeek",
        "baidu" => "Baidu",
        "coccoc" => "Cốc Cốc",
        "solofield" => "Solofield",
        "marginalia" => "Marginalia",
        "wiby" => "wiby"
    ],
    "images" => [
        "ddg" => "DuckDuckGo",
        "yandex" => "Yandex",
        "brave" => "Brave",
        "google" => "Google",
        "google_api" => "Google API",
        "google_cse" => "Google CSE",
        "yahoo_japan" => "Yahoo! JAPAN",
        "startpage" => "Startpage",
        "qwant" => "Qwant",
        "baidu" => "Baidu",
        "solofield" => "Solofield",
        "pinterest" => "Pinterest",
        "cara" => "Cara",
        "flickr" => "Flickr",
        "pexels" => "Pexels",
        "pixabay" => "Pixabay",
        "unsplash" => "Unsplash",
        "fivehpx" => "500px",
        "vsco" => "VSCO",
        "imgur" => "Imgur",
        "ftm" => "FindThatMeme"
    ],

    "videos" => [
        "yt" => "YouTube",
        //"archiveorg" => "Archive.org",
        "vimeo" => "Vimeo",
        //"odysee" => "Odysee",
        "sepiasearch" => "Sepia Search",
        //"fb" => "Facebook videos",
        "ddg" => "DuckDuckGo",
        "brave" => "Brave",
        "yandex" => "Yandex",
        "google" => "Google",
        "yahoo_japan" => "Yahoo! JAPAN",
        "startpage" => "Startpage",
        "qwant" => "Qwant",
        "baidu" => "Baidu",
        "coccoc" => "Cốc Cốc",
        "solofield" => "Solofield"
    ],

    "news" => [
        "ddg" => "DuckDuckGo",
        "brave" => "Brave",
        "google" => "Google",
        "yahoo_japan" => "Yahoo! JAPAN",
        "startpage" => "Startpage",
        "qwant" => "Qwant",
        "mojeek" => "Mojeek",
        "baidu" => "Baidu"
    ],

    "music" => [
        "sc" => "SoundCloud",
        "swisscows" => "Swisscows (SoundCloud)",
        //"spotify" => "Spotify"
    ],

    "booru" => [
        "safebooru" => "Safebooru",
        "konachan" => "Konachan",
        "tbib" => "The Big Imageboard",
        "gelbooru" => "Gelbooru",
        "yandere" => "Yande.re",
        "sankakucomplex" => "SankakuComplex",
        "soybooru" => "SoyBooru",
    ],
];

function get_scraper(string $page, string $selected): string
{
    $available = AVAILABLE_SCRAPERS[$page];
    if (!$available) {
        return "__NONEXISTENT__";
    }
    if ($available[$selected]) {
        return $selected;
    }
    $default = DEFAULT_SCRAPERS[$page];
    return $available[$default] ? $default : array_key_first($available);
}