/*
 * jQuery Mobile Framework : plugin to provide a date and time picker.
 * Copyright (c) JTSage
 * CC 3.0 Attribution.  May be relicensed without permission/notification.
 * https://github.com/jtsage/jquery-mobile-datebox
 */
/* CUSTOMFLIP Mode */

(function($) {
	$.extend( $.mobile.datebox.prototype.options, {
		themeOptPick: 'b',
		themeOpt: 'a',
		useSetButton: true,
		customData: [
			{'input': true, 'name':'Letter', 'data':['a','b','c','d','e']},
			{'input': true, 'name':'Text', 'data':['some','bull','shtuff','here']},
			{'input': false, 'name':'Image', 'data':['<img src="img/slot1.png" />','<img src="img/slot2.png" />','<img src="img/slot3.png" />','<img src="img/slot4.png" />']}
		],
		customDefault: [0,0,0],
		customFormat: false,
		customfliplang: {
			// This structure interfaces with __() -> if it exists, strings are looked up here after i8n fails,
			// and before going to 'default' - the name syntax is <mode>lang
			'customSet':'Looks Good'
		}
	});
	$.extend( $.mobile.datebox.prototype, {
		'_customflipDoSet': function () {
			// If this function exists, it overrides the 'doset' method of the 'datebox' event.
			// The name syntax is _<mode>DoSet
			var w = this, o = this.options;
			if ( typeof w.customCurrent === 'undefined' ) { w.customCurrent = this._makeDate(this.d.input.val()); }
			w.d.input.trigger('datebox', {'method':'set', 'value':w._formatter(o.customFormat,w.customCurrent), 'date':w.customCurrent});
		},
		'_cubox_offset': function (fld, amount) {
			// This is *not* an automatic override, used below specificly.
			var w = this, x,
				o = this.options;
				
			tmp = (w.customCurrent[fld] + amount) % o.customData[fld]['data'].length;
			if ( tmp < 0 ) { tmp = o.customData[fld]['data'].length + tmp; }
			
			w.customCurrent[fld] = tmp;
			if ( o.useImmediate ) { w.d.input.trigger('datebox', {'method':'set', 'value':w._formatter(o.customFormat,w.customCurrent), 'date':w.customCurrent}); }
			w.refresh();
		},
		'_cubox_arr': function (data, choice) {
			var base = data, x,
				before = data.slice(0,choice),
				after = data.slice(choice+1);
			
			while ( before.length < 10 ) {
				for ( x = base.length; x > 0; x-- ) {
					before.unshift(base[x-1]);
				}
			}
			while ( before.length > 10 ) {
				before.shift();
			}
			
			while ( after.length < 10 ) {
				for ( x = 0; x < base.length; x++ ) {
					after.push(base[x]);
				}
			}
			after.length = 10;
			
			before.push(data[choice]);
			
			return $.merge($.merge([], before), after);
		},
		'_cubox_pos': function () {
			var w = this,
				ech = null,
				top = null,
				par = this.d.intHTML.find('.ui-datebox-flipcontent').innerHeight(),
				tot = null;
				
			w.d.intHTML.find('.ui-datebox-flipcenter').each(function() {
				ech = $(this);
				top = ech.innerHeight();
				ech.css('top', ((par/2)-(top/2)+4)*-1);
			});
			w.d.intHTML.find('ul').each(function () {
				ech = $(this);
				par = ech.parent().innerHeight();
				top = ech.find('li').first();
				tot = ech.find('li').size() * top.outerHeight();
				top.css('marginTop', ((tot/2)-(par/2)+(top.outerHeight()/2))*-1);
			});
		}
	});
	$.extend( $.mobile.datebox.prototype._parser, {
		// If this stucture exists, it is called instead of the usual date input parser.
		// The name of the structure is the same as the mode name - it recieves a string
		// as the input, which is the current value of the input element, pre-sanitized
		'customflip' : function ( str ) { 
			var w = this,
				o = this.options,
				adv = o.customFormat,
				exp_input, exp_format, tmp, tmp2, retty_val=[0,0,0,0,0,0];

			if ( typeof(adv) !== 'string' ) { adv = ''; }

			adv = adv.replace(/%X([0-9a-f])/gi, function(match, oper) {
	          	switch (oper) {
    		    	case 'a':
					case 'b':
					case 'c':
					case 'd':
					case 'e':
					case 'f':
						return '(' + match + '|' + '.+?' + ')'; break;
					case '0':
					case '1':
					case '2':
					case '3':
					case '4':
					case '5':
						return '(' + match + '|' + '[0-9]+' + ')'; break;
          			default:
						return '.+?';
          		}
        	});

			adv = new RegExp('^' + adv + '$');
			exp_input = adv.exec(str);
			exp_format = adv.exec(o.customFormat);

			if ( exp_input !== null ) {
				for ( var x = 1; x<exp_input.length; x++ ) {
					tmp = exp_format[x].charAt(2);
					console.log(tmp);
					if ( isNaN(parseInt(tmp)) ) {
						tmp2 = $.inArray(tmp, ['a','b','c','d','e','f']);
						retty_val[tmp2] = $.inArray(exp_input[x], o.customData[tmp2].data);
					} else {
						retty_val[parseInt(tmp)-1] = parseInt(exp_input[x]);
					}
				}
			}

			//outputty = { 'in': exp_input, 'fmt': o.customFormat, 'str': str, 'format': exp_format, 'retty': retty_val };
			return ( str.length < 1 || retty_val.length < 1 ) ? this.options.customDefault : retty_val;

		}
	});
	$.extend( $.mobile.datebox.prototype._customformat, {
		// If this stucture exists, the formatter will call it when it encounters a special string
		// %X<whatever> - it recieves the single letter operater, and the current "date" value
		'customflip' : function ( oper, val, o ) {
			var per = parseInt(oper), tmp;

			if ( typeof(per) === 'number' && !isNaN(per) ) {
				return val[oper-1];
			} else {
				tmp = $.inArray(oper, ['a','b','c','d','e','f']);
				return o.customData[tmp].data[val[tmp]];
			}
		}
	});
	$.extend( $.mobile.datebox.prototype._build, {
		// This builds the actual interface, and is called on *every* refresh. (after each "movement")
		'customflip': function () {
			var w = this,
				o = this.options, i, y, hRow, tmp, lineArr,
				uid = 'ui-datebox-',
				customCurrent = this._makeDate(this.d.input.val()),
				flipBase = $("<div class='ui-overlay-shadow'><ul></ul></div>"),
				ctrl = $("<div>", {"class":uid+'flipcontent'});
			
			if ( typeof w.customCurrent === "undefined" ) { w.customCurrent = customCurrent; }
			
			if ( o.customFormat === false ) {
				tmp = [];
				for ( i = 0; i<o.customData.length; i++ ) {
					tmp.push('%X'+(i+1));
				} 
				o.customFormat = tmp.join(',');
			}
				
			if ( typeof w.d.intHTML !== 'boolean' ) {
				w.d.intHTML.empty().remove();
			}
			
			w.d.input.on('datebox', function (e,p) {
				if ( p.method === 'postrefresh' ) {
					w._cubox_pos();
				}
			});
			
			w.d.headerText = ((w._grabLabel() !== false)?w._grabLabel():w.__('tireTitleString'));
			w.d.intHTML = $('<span>');
			
			w.fldOrder = o.tireFieldOrder;
			
			tmp = $('<div class="'+uid+'header ui-grid-'+[0,0,'a','b','c'][o.customData.length]+'"></div>');
			for ( y=0; y<o.customData.length; y++ ) {
				$('<div class="ui-block-'+['a','b','c','d'][y]+'">'+o.customData[y]['name']+'</div>').css('textAlign','center').appendTo(tmp);
			}
			tmp.appendTo(w.d.intHTML);
			
			w.d.intHTML.append(ctrl);
			
			for ( y=0; y<o.customData.length; y++ ) {
				lineArr = w._cubox_arr(o.customData[y]['data'], w.customCurrent[y]);
				hRow = w._makeEl(flipBase, {'attr': {'field':y,'amount':1} });
				for ( i in lineArr ) {
					tmp = (i!=10)?o.themeOpt:o.themeOptPick;
					$('<li>', {'class':'ui-body-'+tmp})
						.html('<span>'+lineArr[i]+'</span>').appendTo(hRow.find('ul'));
					} 
					hRow.appendTo(ctrl);
			}
			
			$("<div>", {"class":uid+'flipcenter ui-overlay-shadow'}).css('pointerEvents', 'none').appendTo(w.d.intHTML);
			
			if ( o.useSetButton ) {
				y = $('<div>', {'class':uid+'controls'});
				
				if ( o.useSetButton ) {
					$('<a href="#">'+w.__('customSet')+'</a>')
						.appendTo(y).buttonMarkup({theme: o.theme, icon: 'check', iconpos: 'left', corners:true, shadow:true})
						.on(o.clickEventAlt, function(e) {
							e.preventDefault();
							w.d.input.trigger('datebox', {'method':'set', 'value':w._formatter(o.customFormat,w.customCurrent), 'date':w.tireChoice});
							w.d.input.trigger('datebox', {'method':'close'});
						});
				}
				y.appendTo(w.d.intHTML);
			}
			
			if ( w.wheelExists ) { // Mousewheel operation, if plugin is loaded
				w.d.intHTML.on('mousewheel', '.ui-overlay-shadow', function(e,d) {
					e.preventDefault();
					w._cubox_offset($(this).jqmData('field'), ((d<0)?1:-1)*$(this).jqmData('amount'));
				});
			}
			
			w.d.intHTML.on(w.drag.eStart, 'ul', function(e,f) {
				if ( !w.drag.move ) {
					if ( typeof f !== "undefined" ) { e = f; }
					w.drag.move = true;
					w.drag.target = $(this).find('li').first();
					w.drag.pos = parseInt(w.drag.target.css('marginTop').replace(/px/i, ''),10);
					w.drag.start = w.touch ? e.originalEvent.changedTouches[0].pageY : e.pageY;
					w.drag.end = false;
					e.stopPropagation();
					e.preventDefault();
				}
			});
			
			w.d.intHTML.on(w.drag.eStart, '.'+uid+'flipcenter', function(e) { // Used only on old browsers and IE.
				if ( !w.drag.move ) {
					w.drag.target = w.touch ? e.originalEvent.changedTouches[0].pageX - $(e.currentTarget).offset().left : e.pageX - $(e.currentTarget).offset().left;
					w.drag.tmp = w.d.intHTML.find('.'+uid+'flipcenter').innerWidth() / (( $.inArray('a', w.fldOrder) > -1 && w.__('timeFormat') !== 12 )?w.fldOrder.length-1:w.fldOrder.length);
					$(w.d.intHTML.find('ul').get(parseInt(w.drag.target / w.drag.tmp,10))).trigger(w.drag.eStart,e);
				}
			});
		}
	});
	$.extend( $.mobile.datebox.prototype._drag, {
		// This contains the code that the drag and drop (or touch move) code uses
		'customflip': function() {
			var w = this,
				o = this.options,
				g = this.drag;
			
			$(document).on(g.eMove, function(e) {
				if ( g.move && o.mode === 'customflip' ) {
					g.end = w.touch ? e.originalEvent.changedTouches[0].pageY : e.pageY;
					g.target.css('marginTop', (g.pos + g.end - g.start) + 'px');
					e.preventDefault();
					e.stopPropagation();
					return false;
				}
			});
			
			$(document).on(g.eEnd, function(e) {
				if ( g.move && o.mode === 'customflip' ) {
					g.move = false;
					if ( g.end !== false ) {
						e.preventDefault();
						e.stopPropagation();
						g.tmp = g.target.parent().parent();
						w._cubox_offset(g.tmp.jqmData('field'), (parseInt((g.start - g.end) / g.target.innerHeight(),10) * g.tmp.jqmData('amount')));
					}
					g.start = false;
					g.end = false;
				}
			});
		}
	});
})( jQuery );