/*
* jQuery UberUploadCropper
* By: Trent Richardson [http://trentrichardson.com]
* Version 0.2
* Last Modified: 4/10/2010
* 
* Copyright 2009 Trent Richardson
* Dual licensed under the MIT and GPL licenses.
* http://trentrichardson.com/Impromptu/GPL-LICENSE.txt
* http://trentrichardson.com/Impromptu/MIT-LICENSE.txt
* 
*/
(function ($) {

    $.fn.uberuploadcropper = function (options) {
        options = $.extend({}, { multi: false, auto: true, buttonText: 'BROWSE', onComplete: function () { } }, options);

        var onComplete = options.onComplete;

        var imgdata = [];

        var cropPromptSubmit = function (v, m, f) {

            if (v == 'Previous') {
                $.prompt.getCurrentState().find('.ubercropimage').Jcrop('disable');
                $.prompt.prevState();
                $.prompt.getCurrentState().find('.ubercropimage').Jcrop('enable');
                return false;
            }
            if (v == 'Next') {
                $.prompt.getCurrentState().find('.ubercropimage').Jcrop('disable');
                $.prompt.nextState();
                $.prompt.getCurrentState().find('.ubercropimage').Jcrop('enable');
                return false;
            }
            if (v == 'Cancel') {
                $.prompt.close();
                imgdata = [];
                return false;
            }
            if (v == 'Done') { //process crop..
                $.prompt.goToState('waitState');

                $.post(options.cropScript, f, function (data) {
                    $.prompt.close();
                    /*
                    var str = "";
                    $.each(f,function(i,obj){
                    str += i +" : "+ obj +"\n";
                    });
                    alert(str);
                    */

                    //call user callback func..
                    onComplete(imgdata, data);

                    imgdata = [];
                });

                return false;
            }


        };

        var cropPromptCallback = function (v, m, f) {
            imgdata = [];
        };

        //keep our coords up to date
        var jcropOnChange = function (c) {
            $currstate = $.prompt.getCurrentState();

            $currstate.find('.imgcrop_x').val(c.x);
            $currstate.find('.imgcrop_y').val(c.y);
            $currstate.find('.imgcrop_w').val(c.w);
            $currstate.find('.imgcrop_h').val(c.h);
        }

        var wasError = false;

        // add the uploaded image to our queue
        var singleUploadComplete = function (event, queueId, fileObj, response, data) {
            response = $.parseJSON(response);

            if (response.Error.length > 0) {
                alert(response.Error);
                $('#fileCharity').uploadifyCancel(queueId);
                wasError = true;
            }
            else {
                wasError = false;
                fileObj.name = response.ImageUrl;
                fileObj.filePath = "/Upload/" + response.ImageUrl;
                $('#txtFile').val(response.LocalImagePath);
                $('#newFile').val(response.ImageUrl.substring(0, response.ImageUrl.indexOf('.', 0)) + '.jpg');
                imgdata.push(fileObj);
            }
        };

        // upload is done.. crop these puppies!
        var allUploadsComplete = function () {

            if (!wasError) {
                var states = {};

                $.each(imgdata, function (i, obj) {
                    var btn = {};
                    var str = '<div>' +
                    '<p style="text-align: left; font-size:10px; padding-bottom: 15px;">Click on the image and drag the cropping tool over the section you would like displayed on your charity profile. If you would like the entire image to be displayed, simply click again on the image to remove the cropping tool. Then click "done."' +
                    '<br/><span style="font-style:italic;">Note: Images that aren\'t cropped to the correct proportions may appear warped on your profile page.</span></p>' +
                    '<img src="' + options.folder + '/' + obj.name + '?d=' + (new Date()).getTime() + '" class="ubercropimage" id="ubercropimage_' + i + '" style="margin: 0 auto;" /></div>' +
					'<input type="hidden" name="imgcrop[' + i + '][name]" id="imgcrop_' + i + '_name" value="' + obj.name + '" class="imgcrop_name" />' +
					'<input type="hidden" name="imgcrop[' + i + '][x]" id="imgcrop_' + i + '_x" value="0" class="imgcrop_x" />' +
					'<input type="hidden" name="imgcrop[' + i + '][y]" id="imgcrop_' + i + '_y" value="0" class="imgcrop_y" />' +
					'<input type="hidden" name="imgcrop[' + i + '][w]" id="imgcrop_' + i + '_w" value="' + options.width + '" class="imgcrop_w" />' +
					'<input type="hidden" name="imgcrop[' + i + '][h]" id="imgcrop_' + i + '_h" value="' + options.height + '" class="imgcrop_h" />' +
					'<input type="hidden" name="imgcrop[' + i + '][folder]" id="imgcrop_' + i + '_folder" value="' + options.folder + '" class="imgcrop_folder" />';

                    if (imgdata.length == 1)
                        btn = { Done: 'Done' };
                    else if (i == imgdata.length - 1)
                        btn = { Previous: 'Previous', Done: 'Done' };
                    else if (i > 0)
                        btn = { Previous: 'Previous', Next: 'Next' };
                    else btn = { Next: 'Next' };


                    states['state' + i] = {
                        html: str,
                        buttons: btn,
                        submit: cropPromptSubmit
                    };

                    imgdata = [];
                });

                states['waitState'] = { html: 'Processing...', buttons: {} };

                var imp = $.prompt(states, { callback: cropPromptCallback });

                var biggestwidth = 0;

                //we obviously need to destroy and create each time we enter and leave a state..
                //$('.ubercropimage').imgAreaSelect({ keys: { arrows: 15, ctrl: 5, shift: 'resize' } });
                $('.ubercropimage').each(function (i) {
                    $(this).Jcrop(options);
                    if (i > 0)
                        $(this).Jcrop('disable');

                    // we might get a huge image, so resize the prompt..
                    $(this).load(function () {
                        if ($(this).width() > biggestwidth) {
                            biggestwidth = $(this).width() + 40;
                            imp.find('.jqi').width(biggestwidth + 40).css('marginLeft', ((imp.find('.jqi').outerWidth() / 2) * -1));
                        }
                    });
                });
            }
            //imgdata = [];
        };

        options = $.extend(options, { 'onComplete': singleUploadComplete, 'onAllComplete': allUploadsComplete, 'onChange': jcropOnChange, 'onSelect': jcropOnChange });

        this.uploadify(options);

    }

})(jQuery);