"use strict";

//requires SubmitConfirm
//requires SubmitPrompt
//requires SubmitChange
$(function () {
  $.ajaxSetup({
    cache: false,
    xhrFields: {
      withCredentials: true
    }
  });

  if (!ModernJs.isDefined(ModernJs.Linker)) {
    ModernJs.Linker = {};

    ModernJs.Linker.responseDone = function () {};

    ModernJs.Linker.responseParser = function (obj) {
      return obj;
    };

    ModernJs.Linker.config = function (link, config) {
      if (arguments.length < 2) {
        config = link;

        if (ModernJs.isDefined(config.done)) {
          ModernJs.Linker.responseDone = config.done;
        }

        if (ModernJs.isDefined(config.parser)) {
          ModernJs.Linker.responseParser = config.parser;
        }
      } else {
        if (ModernJs.isDefined(config.done)) {
          link.data("AjaxLinkDone", config.done);
        }

        if (ModernJs.isDefined(config.parser)) {
          link.data("AjaxLinkParser", config.parser);
        }
      }
    };

    ModernJs.Linker.activateLink = function (event) {
      var target = $(this);
      var href = target.attr("modernjs-link");
      var targetAttr = target.attr("target");
      var parser = target.data("AjaxLinkParser") || ModernJs.Linker.responseParser;
      href = parser.call(target[0], href, event);
      if (!ModernJs.isDefined(href)) return;
      var link = $("<a></a>");
      link.attr("target", targetAttr);
      link.attr("href", href);
      link.css("display", "none");
      $("body").append(link);

      if (href.indexOf("#") == 0 && href == location.hash) {
        location.hash = "";
      }

      if (event.button == 1) {
        link.attr("target", "_blank");
      }

      link[0].click();
      link.detach();
    };

    ModernJs.Linker.activateAjaxLink = function (event) {
      var target = $(this);
      var href = target.attr("ajax-link") || target.attr("modernjs-ajax-link") || target.attr("submit-self");
      var dataString = target.attr("data") || "{}";
      var method = target.attr("method") || "GET";
      var done = target.data("AjaxLinkDone") || ModernJs.Linker.responseDone;
      var parser = target.data("AjaxLinkParser") || ModernJs.Linker.responseParser;
      var data = dataString;

      try {
        data = JSON.parse(dataString);

        if (target.is("[content-child]")) {
          var child = target.find(target.attr("content-child"));
          data.__value = child.val();

          if (target.is("[contenteditable], [submit-html]")) {
            data.__value = child.html();
          }

          if (target.is("[submit-text]")) {
            data.__value = child.text();
          }
        } else if (target.is("[submit-self]")) {
          data.__value = target.val();

          if (target.is("[contenteditable], [submit-html]")) {
            data.__value = target.html();
          }

          if (target.is("[submit-text]")) {
            data.__value = target.text();
          }
        }
      } catch (e) {}

      if (method == "GET") {
        href = parser.call(target[0], href);
      } else {
        data = parser.call(target[0], data, dataString);
      }

      if ((href || href === "") && (data || data === "")) {
        $.ajax({
          method: method,
          url: href,
          data: data
        }).done(function (data) {
          done.call(target[0], data);
          target.triggerHandler("response", data);
        });
      }
    };

    ModernJs.Linker.submit = function (event) {
      var target = $(this);

      if (target.is("[disabled-link], [disabled-ajax-link], [disabled-modernjs-link]")) {
        return;
      }

      if (target.is("[ajax-link], [modernjs-ajax-link], [submit-self]")) {
        if (target.is("[link-confirm]")) {
          ModernJs.SubmitConfirm.dialog.call(this, ModernJs.Linker.activateAjaxLink);
          return;
        }

        if (target.is("[link-prompt]")) {
          ModernJs.SubmitPrompt.dialog.call(this, ModernJs.Linker.activateAjaxLink);
          return;
        }

        ModernJs.Linker.activateAjaxLink.call(this);
      } else if (target.is("[modernjs-link]")) {
        if (target.is("[link-confirm]")) {
          ModernJs.SubmitConfirm.dialog.call(this, ModernJs.Linker.activateLink.bind(this, event));
          return;
        }

        if (target.is("[link-prompt]")) {
          ModernJs.SubmitPrompt.dialog.call(this, ModernJs.Linker.activateLink.bind(this, event));
          return;
        }

        ModernJs.Linker.activateLink.call(this, event);
      }
    };

    ModernJs.Linker.click = function (node) {
      var button = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
      ModernJs.Linker.submit.call(node[0], {
        button: button
      });
    };

    ModernJs.Linker.loadMain = function () {
      $("body").on("mouseup", "[modernjs-link], [ajax-link], [modernjs-ajax-link]", ModernJs.Linker.submit);
    };

    $(ModernJs.Linker.loadMain);
  }
});