// ==UserScript==
// @name         动漫花园批量下载(dmhy)
// @namespace    http://pdkst.github.io/magnet-all
// @version      0.1
// @description  为动漫花园（share.dmhy.org）增加批量下载的功能
// @author       pdkst
// @match        *://share.dmhy.org/*
// @grant        none
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';
    console.log('started...');
    //$('#topic_list thead th:first').prepend('<input type="checkbox" class="magnet-all"/>');

    $('.nav_title:eq(1) .fl,.nav_title:eq(2)').append('<input class="is-sub-mag" type="checkbox">短链</input>');
    var tds = $('#topic_list tr td:nth-child(1)');
    tds.prepend('<input type="checkbox" class="magnet"/>');
    tds.click(function(){
        gatherMagnet();
        console.log(gatherMagnet());
    });
    $('.nav_title:eq(1) .fl,.nav_title:eq(2)').append('<a class="select-all">[全选]</a>');
    $('.select-all').click(function(){
        if($('.magnet:checkbox').length !== $('.magnet:checkbox:checked').length){
            $('.magnet:checkbox').attr('checked',true);
        }else{
            $('.magnet:checkbox').attr('checked',false);
        }
        gatherMagnet();
    });
    $('.nav_title:eq(1) .fl,.nav_title:eq(2)').append('<a class="download-all" style="color:green;">[下载(点击或右键"复制链接")]</a>');
    $('.download-all').click(function(e){
        window.prompt("Copy to clipboard: Ctrl+C, Enter", gatherMagnet());
    });
})();

function subMagnet(magStr){
    var trimMag = $.trim(magStr);
    if(!trimMag)return;
    return trimMag.substring(0,trimMag.indexOf('&'));
}
function gatherMagnet(){
    var magnets = [];
    $('input.magnet:checkbox:checked').each(function(){
        var magnetStr = $(this).parents('tr').find('a.download-arrow.arrow-magnet').attr('href');
        magnets.push($('.is-sub-mag:checkbox:checked').length ? subMagnet(magnetStr):magnetStr);
    });
    var str = magnets.join('\n');
    $('.download-all').attr('href',str);
    return str;
}