$(document).ready(function() 
{
	/****** Generations ******/
	var G1 		= [1, 151];
	var G2 		= [152, 251];
	var G3 		= [252, 386];
	var G4 		= [387, 493];
	var G5 		= [494, 649];
	var G6 		= [650, 721];
	var G7 		= [722, 809];
	var G8		= [810, 905];
	var G9		= [906, 920];
	var MEGA 	= [921, 970]; 
	var GIGA	= [971, 1002];
	var REG		= [1003, 1055];

	var EXCEPTION = 990; // urshifu g-max

	/************ GAME *************/
	/*******************************/

	// loading json file
	$.getJSON('pokemon.json', function(pk)
	{
		$('article #container #game #loading').hide();
		var pklist = pk;

		$('article #container #flashdex_config .all').click(function()
		{	
			if ($(this).hasClass("unselected"))
			{
				for (i = 1; i < 10; ++i)
					$('input[name="'+i+'g"]').prop('checked', true);
				$('input[name="mega"]').prop('checked', true);
				$('input[name="regional"]').prop('checked', true);
				$('input[name="gigantamax"]').prop('checked', true);
				$(this).removeClass("unselected").addClass("selected");
				$(this).text("Unselect all");
			}
			else
			{
				for (i = 1; i < 10; ++i)
					$('input[name="'+i+'g"]').prop('checked', false);
				$('input[name="mega"]').prop('checked', false);
				$('input[name="regional"]').prop('checked', false);
				$('input[name="gigantamax"]').prop('checked', false);
				$(this).removeClass("selected").addClass("unselected");
				$(this).text("Select all");
			}
		})

		// start the game when clicking on start game
		$('article #container .button input.start').click(function()
		{
			var lang = $('article select.lang option:selected').attr('id');
			var gen_list = new Array();
			var pokemon_generation_list = new Array();

			generations();

			if (gen_list.length == 0)
				return;
			
			$('article #container #game #loading').show();
			$('article #container #game #flashdex').empty().hide();

			function getFormText(pkmn)
			{
				if (pkmn["origin"] == "Kanto")
					return '<span class="form RB"></span>'
				else if (pkmn["origin"] == "Johto")
					return '<span class="form GS"></span>'
				else if (pkmn["origin"] == "Hoenn")
					return '<span class="form RS"></span>'
				else if (pkmn["origin"] == "Sinnoh")
					return '<span class="form DP"></span>'
				else if (pkmn["origin"] == "Unova")
					return '<span class="form BW"></span>'
				else if (pkmn["origin"] == "Kalos")
					return '<span class="form XY"></span>'
				else if (pkmn["origin"] == "Alola")
					return '<span class="form SM"></span>'
				else if (pkmn["origin"] == "Galar")
					return '<span class="form SWSH"></span>'
				else if (pkmn["origin"] == "Hisui")
					return '<span class="form LA"></span>'
				else if (pkmn["origin"] == "9G")
					return '<span class="form SV"></span>'
				else if (pkmn["form"] == "mega")
					return '<span class="form mega"></span>';
				else if (pkmn["form"] == "giga")
					return '<span class="form giga"></span>';
				return '';
			}

			function getFormattedNumber(num)
			{
				if (num > 905 && num < 921) // 9G temporary numbers
					return "???";
				if (num[0] == 'M' || num[0] == 'R' || num[0] == 'G')
					return num.substring(1, num.length);
				return num;
			}

			function getFormattedTypes(num) {
				str = '<span class="types"><span class="'+num["type"][0]+'">'+num["type"][0]+'</span>';
				if (num["type"][1])
					str += '<span class="'+num["type"][1]+'">'+num["type"][1]+'</span>';
				str += '</span>';
				return str;
			}

			function getFormattedTypes(num, index)
			{
				str = '<span class="'+num["type"+index][0]+'">'+num["type"+index][0]+'</span>';
				if (num["type"+index][1])
					str += '<span class="'+num["type"+index][1]+'">'+num["type"+index][1]+'</span>';
				return str;
			}

			function getFormattedSpriteButton(num)
			{
				if (num["sprite"] || num["origin"] == "Kanto")
					return '<span class="button"><span class="left-arrow">&#9664;&#xFE0E;</span><span class="right-arrow">&#9654;&#xFE0E;</span></span>';
				return '';
			}

			for (i in pokemon_generation_list)
			{
				$('article #container #game #flashdex').append(
					'<div class="pokedex id_'+pklist.mn[pokemon_generation_list[i]]["num"]+'">'
					+ '<span class="types">' + getFormattedTypes(pklist.mn[pokemon_generation_list[i]], '') + '</span>'
					+ getFormattedSpriteButton(pklist.mn[pokemon_generation_list[i]], '')
					+ getFormText(pklist.mn[pokemon_generation_list[i]]) // either gigantamax or mega-evolution
					+ '<img src="pokemon/'+ imageType(pklist.mn[pokemon_generation_list[i]]) +'.png"/>'
					+ '<span class="name">' + '<strong>' + '#' + getFormattedNumber(pklist.mn[[pokemon_generation_list[i]]]["num"]) + '</strong> '
					+ pklist.mn[[pokemon_generation_list[i]]][lang] + '</span>'
					+ '</div>'
				);
			}

			$('article #container #game #flashdex').waitForImages(function()
			{
				$(this).show();
				$('article #container #game #loading').hide();
			});

			function handleArtworks(origin, left)
			{
				function handleDefault()
				{
					var form = url.split('-')[1];

					if (left)
					{
						if (form > 0)
							form--;
						else
							form = pklist.mn[pokemon-1]["sprite"] - 1;
					}
					else
					{
						if (form < pklist.mn[pokemon-1]["sprite"] - 1)
							form++;
						else
							form = 0;
					}
	
					var newUrl = 'pokemon/' + pokemon + '-' + form + '.png';
					origin.parent().parent().find("img").attr('src', newUrl);
					handleChangeType(form, pokemon-1)
				}
	
				function handleKanto()
				{
					var KantoForm = '';
					for (var i = 0; i < originalUrl.length; i++)
					{
						if (originalUrl[i].match(/[A-Z]/))
							KantoForm += originalUrl[i];
					}

					if (left)
					{
						if (KantoForm == "RG")
							KantoForm = "RB"
						else if (KantoForm == "RB")
							KantoForm = "";
						else
							KantoForm = "RG";
					}
					else
					{
						if (KantoForm == "RB")
							KantoForm = "RG"
						else if (KantoForm == "RG")
							KantoForm = "";
						else
							KantoForm = "RB";
					}

					var newUrl = 'pokemon/' + pokemon + KantoForm + '.png';
					origin.parent().parent().find("img").attr('src', newUrl);
				}
	
				function handleException()
				{
					var form = url.split('-')[1];
					if (form == 0)
						form = 1;
					else
						form = 0;

					var newUrl = 'pokemon/' + pokemonUrl + '-' + form + '.png';
					origin.parent().parent().find("img").attr('src', newUrl);
					handleChangeType(form, EXCEPTION-1)
				}

				function handleChangeType(form, num)
				{
					if (form != 0)
					{
						if (pklist.mn[num]["type"+form])
							origin.parent().parent().find(".types").empty().append(getFormattedTypes(pklist.mn[num], form));
					}
					else
						origin.parent().parent().find(".types").empty().append(getFormattedTypes(pklist.mn[num], ''));
				}

				var url = origin.parent().parent().find("img").attr('src');
				var originalUrl = url;
				url = url.split('/')[1];
				url = url.split('.')[0];

				var pokemonUrl = url.split('-')[0];
				var pokemon = '';
				for (var i = 0; i < pokemonUrl.length; i++)
				{
					if (pokemonUrl[i].match(/[0-9]/))
					pokemon += pokemonUrl[i];
				}

				if (pokemonUrl == "G892")
					handleException();
				else if (pklist.mn[pokemon-1]["origin"] == "Kanto" && !pklist.mn[pokemon-1]["sprite"])
					handleKanto();
				else if (pklist.mn[pokemon-1]["sprite"])
					handleDefault();
			}

			$('.left-arrow').click(function(e)
			{
				handleArtworks($(this), true);
			});

			$('.right-arrow').click(function(e)
			{
				handleArtworks($(this), false);
			});

			function generations()
			{
				// create the list of the different generations
				function createGenerationList(name) 
				{
					if ( $('article input[name="'+name+'"]').is(':checked') )
						gen_list[gen_list.length] = name;
				}

				// create the list of all possible pokemons for selected options
				function generatePokemonList()
				{
					function evaluateByGeneration(index, name, variable)
					{
						if (gen_list[index] == name)
						{
							for (j = (variable[0] - 1); j <= (variable[1] - 1); j++)
								pokemon_generation_list[pokemon_generation_list.length] = j;
						}
					}

					if (gen_list.length > 0)
					{
						for (i in gen_list)
						{
							evaluateByGeneration(i, "1g", G1); evaluateByGeneration(i, "2g", G2); evaluateByGeneration(i, "3g", G3);
							evaluateByGeneration(i, "4g", G4); evaluateByGeneration(i, "5g", G5); evaluateByGeneration(i, "6g", G6);
							evaluateByGeneration(i, "7g", G7); evaluateByGeneration(i, "8g", G8); evaluateByGeneration(i, "9g", G9);
							evaluateByGeneration(i, "mega", MEGA); evaluateByGeneration(i, "regional", REG); evaluateByGeneration(i, "gigantamax", GIGA);
						}
					}
				}

				for (i = 0; i < 10; i++)
					createGenerationList((i + "g"));
				createGenerationList("regional");
				createGenerationList("mega");
				createGenerationList("gigantamax");

				generatePokemonList();
			}

			// multiple artworks
			function imageType(num)
			{
				if (num["sprite"])
					return num["num"] + "-0";
				return num["num"];
			}
		});
	});
});