angular.module("myApp.services", []).factory("Desirae", [
  "$q",
  "$http",
  function ($q, $http) {
    var Desi = window.Desirae || require("./deardesi").Desirae,
      desi = {
        /*TODO api_base: '/api'*/
      };
    //
    // 1. Transform (yml, slug, etc)
    //
    Desi.registerTransform("lint", window.DesiraeTransformCore.lint, {
      collections: true,
    });
    Desi.registerTransform("root", window.DesiraeTransformCore.root, {
      root: true,
    });
    Desi.registerTransform("normalize", window.DesiraeTransformCore.normalize, {
      root: true,
      collections: true,
    });
    Desi.registerTransform("disqus", window.DesiraeTransformCore.disqus, {
      collections: true,
    });

    //
    // 2. Aggregate (rss, categories, tags, etc)
    //
    Desi.registerAggregator(window.DesiraeAggregateCore.collate);

    //
    // 3. Datamap (ruhoh, desirae, jade, mustache, liquid)
    //
    Desi.registerDataMapper("desirae", window.DesiraeDatamapCore);
    Desi.registerDataMapper("desirae@1.0", window.DesiraeDatamapCore);
    Desi.registerDataMapper("ruhoh", window.DesiraeDatamapRuhoh);
    Desi.registerDataMapper("ruhoh@1.0", window.DesiraeDatamapRuhoh);
    Desi.registerDataMapper("ruhoh@2.6", window.DesiraeDatamapRuhoh);

    //
    // 4. Render (md -> html, less -> css, etc)
    //
    Desi.registerRenderer("js", window.DesiraeRenderCss, {
      themes: true,
      assets: true,
    });
    Desi.registerRenderer("css", window.DesiraeRenderCss, {
      themes: true,
      assets: true,
    });

    ["html", "htm", "xhtm", "xhtml"].forEach(function (ext) {
      Desi.registerRenderer(ext, window.DesiraeRenderHtml, {
        root: true,
        collections: true,
        themes: true,
        assets: true,
      });
    });

    [
      "md",
      "markdown",
      "mdown",
      "mkdn",
      "mkd",
      "mdwn",
      "mdtxt",
      "mdtext",
    ].forEach(function (ext) {
      Desi.registerRenderer(ext, window.DesiraeRenderMarkdown, {
        root: true,
        collections: true,
      });
    });

    Desi.registerRenderer("jade", window.DesiraeRenderJade, {
      root: true,
      collections: true,
      themes: true,
    });

    function gdrive2host(str) {
      // https://drive.google.com/folderview?id=0ByLnfhJOd1-baUh1Wms0US16QkE&usp=sharing
      // https://googledrive.com/host/0ByLnfhJOd1-baUh1Wms0US16QkE

      var m;

      str = str || "";
      m = str.match(/(?=drive.*google|google.*drive).*folderview.*id=([^&]+)/i);
      console.log(m);
      if (m && m[1]) {
        return "https://googledrive.com/host/" + m[1];
      }
    }

    function dropbox2host(str) {
      if (!/dropbox/.test(str)) {
        return;
      }
      // https://dl.dropboxusercontent.com/u/146173/index.html

      // https://www.dropbox.com/s/3n20djtrs2p0j9k
      // https://www.dropbox.com/s/3n20djtrs2p0j9k/index.html?dl=0
      // https://dl.dropboxusercontent.com/s/3n20djtrs2p0j9k/index.html

      str = str || "";
      if (!str.match(/dropboxusercontent\.com\/u\/([^\/]+)\/index.html/)) {
        window.alert(
          "Sorry, Desi can't use that type of dropbox link." +
            "\n\n1. Open the Dropbox folder on your computer" +
            "\n   (The DropBox app must be installed)" +
            "\n\n2. Open the Public folder" +
            "\n   (if you don't have a Public folder, your account doesn't support hosting websites and you're simply out of luck)" +
            "\n\n2. Create a new file called index.html" +
            "\n\n3. Right-click on index.html" +
            "\n\n4. Select 'Copy Public Link'" +
            "\n\n5. Paste that link as the URL for Desi"
        );
        return;
      }

      return str.replace(/\/index\.html$/, "");
    }

    function splitUrl(str) {
      var m;

      str = str || "";
      m = str.match(/(https?:\/\/)?([^\.\/?#]+\.[^\/?#]+)(\/[^#?]+)?/i);
      console.log(m);
      if (!m || !m[2]) {
        return;
      }
      return {
        baseUrl: (m[1] || "http://") + m[2],
        basePath: (m[3] && m[3].replace(/\/$/, "")) || "/",
      };
    }

    function getBlogdir() {
      return $http.get("/api/fs/rootdir").then(function (resp) {
        desi.blogdir = resp.data;
        return resp.data;
      });
    }
    getBlogdir();

    return {
      splitUrl: splitUrl,
      gdrive2host: gdrive2host,
      dropbox2host: dropbox2host,
      reset: function () {
        desi = {};
        return getBlogdir();
      },
      toDesiDate: Desi.toLocaleDate,
      meta: function () {
        var d = $q.defer();
        if (desi.meta) {
          d.resolve(desi);
          return d.promise;
        }

        Desi.init(desi).then(function () {
          d.resolve(desi);
        });

        return d.promise;
      },
      build: function (env) {
        var d = $q.defer();
        if (desi.built) {
          d.resolve(desi);
          return d.promise;
        }

        Desi.buildAll(desi, env).then(function () {
          d.resolve(desi);
        });

        return d.promise;
      },
      write: function (env) {
        var d = $q.defer();
        if (desi.written) {
          d.resolve(desi);
          return d.promise;
        }

        Desi.write(desi, env).then(function () {
          d.resolve(desi);
        });

        return d.promise;
      },
      putFiles: function (files) {
        return $q.when(Desi.fsapi.putFiles(files));
      },
    };
  },
]);