/*
// ==UserScript==
// @name        addressfinder
// @namespace   amDOGE
// @include     http*://boards.4chan.org/*
// @version     1
// @grant       none
// @run-at      document-start
// ==/UserScript==
 */

(function() {
  var $, $$, Main, c, d, tipSize, wait, walletType,
    __slice = [].slice;

  d = document;

  c = console;

  $ = function(selector, root) {
    if (root == null) {
      root = d.body;
    }
    return root.querySelector(selector);
  };

  $$ = function(selector, root) {
    if (root == null) {
      root = d.body;
    }
    return __slice.call(root.querySelectorAll(selector));
  };


  /*
    Use walletType to configure which wallet(s) to search for. Bitcoin (1), Dogecoin (D), Litecoin (L) and PandaCoin (P) are added by default.
   */

  walletType = '1|D|L|P';


  /*
    Use tipSize to set a default amount to tip, ie. P: '1500'
   */

  tipSize = {
    1: '',
    D: '',
    L: '',
    P: ''
  };


  /*
    GET post size can be configured with x
   */

  Main = {
    init: function() {
      this.catchAll = RegExp("(" + walletType + ")[A-Za-z0-9]{33}");
      this.pastebin = /pastebin\.com\/(?!u\/)(?:raw.php\?i=)?([a-zA-Z0-9]+)/i;
      this.thread = $('.thread');
      this.nodes = $$('.postContainer', this.thread);
      this.wallets = {};
      Main.findNodes(this.nodes);
      return Main.observe();
    },
    findNodes: function(nodes) {
      var email, emailText, href, key, node, searchable, _i, _len;
      for (_i = 0, _len = nodes.length; _i < _len; _i++) {
        node = nodes[_i];
        searchable = [];
        if (email = $('.useremail', node)) {
          key = 'email';
          href = email.href.trim();
          emailText = decodeURIComponent(href) || href;
          searchable.push({
            key: key,
            node: node,
            email: email,
            emailText: emailText
          });
        }
        Main.node(searchable);
      }
    },
    node: function(searchable) {
      var field, handler, id, isPastebin, key, node, text, _i, _len, _ref;
      if (!searchable[0]) {
        return;
      }
      for (_i = 0, _len = searchable.length; _i < _len; _i++) {
        field = searchable[_i];
        key = field.key, node = field.node;
        text = field[key + 'Text'];
        id = node.id.slice(2);
        if (isPastebin = (_ref = text.match(Main.pastebin)) != null ? _ref[1] : void 0) {
          Main.getPastebin(isPastebin, id);
          handler = isPastebin;
        } else {
          if (!(handler = Main.parseHandler(text))) {
            continue;
          }
        }
        Main.assign(id, handler);
        node = field[key];
        node.parentNode.parentNode.parentNode.addEventListener('mouseover', Main.swapHandler);
      }
    },
    parseWalletType: function(short) {
      var coinType;
      coinType = (function() {
        switch (short) {
          case '1':
            return 'bit';
          case 'D':
            return 'doge';
          case 'L':
            return 'lite';
          case 'P':
            return 'panda';
        }
      })();
      return coinType + 'coin';
    },
    parseHandler: function(text) {
      var address, amount, handler, short, walletAddress;
      if (!(address = text.match(this.catchAll))) {
        return;
      }
      walletAddress = address[0], short = address[1];
      walletType = this.parseWalletType(short);
      handler = "" + walletType + ":" + walletAddress;
      if (amount = tipSize[short]) {
        handler += "?amount=" + amount;
      }
      return handler;
    },
    getPastebin: function(paste, id) {
      var url, xhr;
      url = "http://pastebin.com/raw.php?i=" + paste;
      xhr = new XMLHttpRequest();
      xhr.open('get', url, true);
      id = id;
      xhr.onloadend = function() {
        var _ref;
        if ((_ref = this.status) !== 200 && _ref !== 304) {
          return;
        }
        return Main.assign(id, Main.parseHandler(this.response));
      };
      return xhr.send(null);
    },
    assign: function(id, handler) {
      return this.wallets[id] = handler;
    },
    swapHandler: function(e) {
      var node, wallet;
      wallet = Main.wallets[this.id.slice(1)];
      node = $('.useremail', this);
      node.href = wallet;
      return this.removeEventListener('mouseover', Main.swapHandler);
    },
    observe: function() {
      var config, observer;
      Main.observer = observer = new MutationObserver(function(mutations) {
        var mutation, node, _i, _len, _ref;
        for (_i = 0, _len = mutations.length; _i < _len; _i++) {
          mutation = mutations[_i];
          if ((node = (_ref = mutation.addedNodes) != null ? _ref[0] : void 0).nodeName !== 'DIV') {
            return;
          }
          Main.findNodes([node]);
        }
      });
      config = {
        attributes: true,
        childList: true,
        characterData: false
      };
      return observer.observe(Main.thread, config);
    }
  };

  (wait = function() {

    /*
      Why does @run-at exist? No one knows.
     */
    if (d != null ? d.body : void 0) {
      return Main.init();
    } else {
      return setTimeout(wait, 30);
    }
  })();

}).call(this);