/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Ajax.org Code Editor (ACE).
 *
 * The Initial Developer of the Original Code is
 * Ajax.org B.V.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Fabian Jakobs <fabian AT ajax DOT org>
 *      Mihai Sucan <mihai DOT sucan AT gmail DOT com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

if (typeof process !== "undefined") {
  require("amd-loader");
}

define(function (require, exports, module) {
  "use strict";

  var EditSession = require("./edit_session").EditSession;
  var Search = require("./search").Search;
  var assert = require("./test/assertions");

  module.exports = {
    "test: configure the search object": function () {
      var search = new Search();
      search.set({
        needle: "juhu",
        scope: Search.ALL,
      });
    },

    "test: find simple text in document": function () {
      var session = new EditSession(["juhu kinners 123", "456"]);
      var search = new Search().set({
        needle: "kinners",
      });

      var range = search.find(session);
      assert.position(range.start, 0, 5);
      assert.position(range.end, 0, 12);
    },

    "test: find simple text in next line": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);
      var search = new Search().set({
        needle: "kinners",
      });

      var range = search.find(session);
      assert.position(range.start, 1, 5);
      assert.position(range.end, 1, 12);
    },

    "test: find text starting at cursor position": function () {
      var session = new EditSession(["juhu kinners", "juhu kinners 123"]);
      session.getSelection().moveCursorTo(0, 6);
      var search = new Search().set({
        needle: "kinners",
      });

      var range = search.find(session);
      assert.position(range.start, 1, 5);
      assert.position(range.end, 1, 12);
    },

    "test: wrap search is off by default": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);
      session.getSelection().moveCursorTo(2, 1);

      var search = new Search().set({
        needle: "kinners",
      });

      assert.equal(search.find(session), null);
    },

    "test: wrap search should wrap at file end": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);
      session.getSelection().moveCursorTo(2, 1);

      var search = new Search().set({
        needle: "kinners",
        wrap: true,
      });

      var range = search.find(session);
      assert.position(range.start, 1, 5);
      assert.position(range.end, 1, 12);
    },

    "test: wrap search with no match should return 'null'": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);
      session.getSelection().moveCursorTo(2, 1);

      var search = new Search().set({
        needle: "xyz",
        wrap: true,
      });

      assert.equal(search.find(session), null);
    },

    "test: case sensitive is by default off": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);

      var search = new Search().set({
        needle: "JUHU",
      });

      assert.range(search.find(session), 1, 0, 1, 4);
    },

    "test: case sensitive search": function () {
      var session = new EditSession(["abc", "juhu kinners 123", "456"]);

      var search = new Search().set({
        needle: "KINNERS",
        caseSensitive: true,
      });

      var range = search.find(session);
      assert.equal(range, null);
    },

    "test: whole word search should not match inside of words": function () {
      var session = new EditSession(["juhukinners", "juhu kinners 123", "456"]);

      var search = new Search().set({
        needle: "kinners",
        wholeWord: true,
      });

      var range = search.find(session);
      assert.position(range.start, 1, 5);
      assert.position(range.end, 1, 12);
    },

    "test: find backwards": function () {
      var session = new EditSession(["juhu juhu juhu juhu"]);
      session.getSelection().moveCursorTo(0, 10);
      var search = new Search().set({
        needle: "juhu",
        backwards: true,
      });

      var range = search.find(session);
      assert.position(range.start, 0, 5);
      assert.position(range.end, 0, 9);
    },

    "test: find in selection": function () {
      var session = new EditSession(["juhu", "juhu", "juhu", "juhu"]);
      session.getSelection().setSelectionAnchor(1, 0);
      session.getSelection().selectTo(3, 5);

      var search = new Search().set({
        needle: "juhu",
        wrap: true,
        scope: Search.SELECTION,
      });

      var range = search.find(session);
      assert.position(range.start, 1, 0);
      assert.position(range.end, 1, 4);

      session.getSelection().setSelectionAnchor(0, 2);
      session.getSelection().selectTo(3, 2);

      var range = search.find(session);
      assert.position(range.start, 1, 0);
      assert.position(range.end, 1, 4);
    },

    "test: find backwards in selection": function () {
      var session = new EditSession(["juhu", "juhu", "juhu", "juhu"]);

      var search = new Search().set({
        needle: "juhu",
        wrap: true,
        backwards: true,
        scope: Search.SELECTION,
      });

      session.getSelection().setSelectionAnchor(0, 2);
      session.getSelection().selectTo(3, 2);

      var range = search.find(session);
      assert.position(range.start, 2, 0);
      assert.position(range.end, 2, 4);

      session.getSelection().setSelectionAnchor(0, 2);
      session.getSelection().selectTo(1, 2);

      assert.equal(search.find(session), null);
    },

    "test: edge case - match directly before the cursor": function () {
      var session = new EditSession(["123", "123", "juhu"]);

      var search = new Search().set({
        needle: "juhu",
        wrap: true,
      });

      session.getSelection().moveCursorTo(2, 5);

      var range = search.find(session);
      assert.position(range.start, 2, 0);
      assert.position(range.end, 2, 4);
    },

    "test: edge case - match backwards directly after the cursor": function () {
      var session = new EditSession(["123", "123", "juhu"]);

      var search = new Search().set({
        needle: "juhu",
        wrap: true,
        backwards: true,
      });

      session.getSelection().moveCursorTo(2, 0);

      var range = search.find(session);
      assert.position(range.start, 2, 0);
      assert.position(range.end, 2, 4);
    },

    "test: find using a regular expression": function () {
      var session = new EditSession(["abc123 123 cd", "abc"]);

      var search = new Search().set({
        needle: "\\d+",
        regExp: true,
      });

      var range = search.find(session);
      assert.position(range.start, 0, 3);
      assert.position(range.end, 0, 6);
    },

    "test: find using a regular expression and whole word": function () {
      var session = new EditSession(["abc123 123 cd", "abc"]);

      var search = new Search().set({
        needle: "\\d+\\b",
        regExp: true,
        wholeWord: true,
      });

      var range = search.find(session);
      assert.position(range.start, 0, 7);
      assert.position(range.end, 0, 10);
    },

    "test: use regular expressions with capture groups": function () {
      var session = new EditSession(["  ab: 12px", "  <h1 abc"]);

      var search = new Search().set({
        needle: "(\\d+)",
        regExp: true,
      });

      var range = search.find(session);
      assert.position(range.start, 0, 6);
      assert.position(range.end, 0, 8);
    },

    "test: find all matches in selection": function () {
      var session = new EditSession(["juhu", "juhu", "juhu", "juhu"]);

      var search = new Search().set({
        needle: "uh",
        wrap: true,
        scope: Search.SELECTION,
      });

      session.getSelection().setSelectionAnchor(0, 2);
      session.getSelection().selectTo(3, 2);

      var ranges = search.findAll(session);

      assert.equal(ranges.length, 2);
      assert.position(ranges[0].start, 1, 1);
      assert.position(ranges[0].end, 1, 3);
      assert.position(ranges[1].start, 2, 1);
      assert.position(ranges[1].end, 2, 3);
    },

    "test: replace() should return the replacement if the input matches the needle":
      function () {
        var search = new Search().set({
          needle: "juhu",
        });

        assert.equal(search.replace("juhu", "kinners"), "kinners");
        assert.equal(search.replace("", "kinners"), null);
        assert.equal(search.replace(" juhu", "kinners"), null);

        // regexp replacement
      },

    "test: replace with a RegExp search": function () {
      var search = new Search().set({
        needle: "\\d+",
        regExp: true,
      });

      assert.equal(search.replace("123", "kinners"), "kinners");
      assert.equal(search.replace("01234", "kinners"), "kinners");
      assert.equal(search.replace("", "kinners"), null);
      assert.equal(search.replace("a12", "kinners"), null);
      assert.equal(search.replace("12a", "kinners"), null);
    },

    "test: replace with RegExp match and capture groups": function () {
      var search = new Search().set({
        needle: "ab(\\d\\d)",
        regExp: true,
      });

      assert.equal(search.replace("ab12", "cd$1"), "cd12");
      assert.equal(search.replace("ab12", "-$&-"), "-ab12-");
      assert.equal(search.replace("ab12", "$$"), "$");
    },

    "test: find all using regular expresion containing $": function () {
      var session = new EditSession(["a", "     b", "c ", "d"]);

      var search = new Search().set({
        needle: "[ ]+$",
        regExp: true,
        wrap: true,
        scope: Search.ALL,
      });

      session.getSelection().moveCursorTo(1, 2);
      var ranges = search.findAll(session);

      assert.equal(ranges.length, 1);
      assert.position(ranges[0].start, 2, 1);
      assert.position(ranges[0].end, 2, 2);
    },

    "test: find all matches in a line": function () {
      var session = new EditSession("foo bar foo baz foobar foo");

      var search = new Search().set({
        needle: "foo",
        wrap: true,
        wholeWord: true,
      });

      session.getSelection().moveCursorTo(0, 4);

      var ranges = search.findAll(session);

      assert.equal(ranges.length, 3);
      assert.position(ranges[0].start, 0, 0);
      assert.position(ranges[0].end, 0, 3);
      assert.position(ranges[1].start, 0, 8);
      assert.position(ranges[1].end, 0, 11);
      assert.position(ranges[2].start, 0, 23);
      assert.position(ranges[2].end, 0, 26);
    },

    "test: find all matches in a line backwards": function () {
      var session = new EditSession("foo bar foo baz foobar foo");

      var search = new Search().set({
        needle: "foo",
        wrap: true,
        wholeWord: true,
        backwards: true,
      });

      session.getSelection().moveCursorTo(0, 13);

      var ranges = search.findAll(session);

      assert.equal(ranges.length, 3);
      assert.position(ranges[0].start, 0, 23);
      assert.position(ranges[0].end, 0, 26);
      assert.position(ranges[1].start, 0, 8);
      assert.position(ranges[1].end, 0, 11);
      assert.position(ranges[2].start, 0, 0);
      assert.position(ranges[2].end, 0, 3);
    },
  };
});

if (typeof module !== "undefined" && module === require.main) {
  require("asyncjs").test.testcase(module.exports).exec();
}
