///////////////////////////////////////////////////////////////////////////
/////////////////////////////// SOM Data //////////////////////////////////
///////////////////////////////////////////////////////////////////////////

//The color of each hexagon
var color = ["#D9D9D9", "#DCDCDC", "#DDDDDD", "#E7E7E7", "#F1F1F1", "#F6F6F6", "#FCFCFC", "#FFFEFE", "#FFF7F7", "#FFF5F0", "#FFFAF1", "#FCFFF5", "#F2FFF9", "#E9FFFF", "#F4FAFF", "#F3F4FF", "#BDC0FF", "#EEEEF7", "#F1EFF6", "#F9F5FA", "#E9D3D8", "#FEE3F0", "#FEB9C3", "#FF66B4", "#FE01FD", "#FA0E8D", "#FD004C", "#F32E4B", "#D2001C", "#A1001E", "#D0D0D0", "#DADADA", "#E5E5E5", "#EEEEEE", "#F2F2F2", "#F9F9F9", "#FFFFFF", "#F3E2E2", "#FFE3E1", "#FFF5EA", "#FFFFF0", "#FAFFEA", "#EDFFEE", "#CDEAFF", "#DAF0FC", "#E6E6FA", "#CCD6E9", "#DADAEB", "#EAE3F0", "#E2CFE5", "#EFB6D8", "#F7B6D3", "#F98EBD", "#F96898", "#E52F92", "#E01E73", "#D71348", "#DD191D", "#B8002A", "#70001D", "#CCCCCC", "#CDCDCD", "#D4D4D4", "#EBEBEB", "#F0F0F0", "#F2F0EE", "#FEFEFD", "#FEFEFD", "#FBF0DE", "#FEECE0", "#FFF8DC", "#FFFFDF", "#FDFBE8", "#F0F9ED", "#EAF6FA", "#DEEBF7", "#D7E3F2", "#E1E5E6", "#CECEE5", "#CCBEDB", "#D6BAD8", "#DD9FD9", "#EE7EF1", "#E7969B", "#D97190", "#D03E77", "#D2384B", "#D52728", "#A51422", "#980041", "#C0C0C0", "#C6C6C6", "#DAD9D7", "#E5E5DF", "#F2F2EE", "#FCFCFA", "#F4F4DC", "#FBF2E9", "#FEF0D9", "#FFEDD1", "#FFFACD", "#FFFFCE", "#FAF9D0", "#F5FBEF", "#D6F8F1", "#D8E8F2", "#C6DBEF", "#BBD3E6", "#BDBCDB", "#C3AFD4", "#C1A4CE", "#C895C0", "#E276B9", "#BE6B8B", "#D6606C", "#A9494B", "#A9273F", "#C81885", "#B00279", "#8C0355", "#BCBCBC", "#B6B6B6", "#ADADAD", "#DEDAD1", "#D9DBCC", "#ECEDE0", "#F4F0E9", "#F1E2CD", "#F8DFCE", "#FEE6C8", "#FFF5BD", "#FFFFBF", "#F7FCB8", "#E6F5CC", "#E3F4DE", "#CBEAE6", "#AFE0E6", "#AEC7E8", "#B4C6DE", "#C4CED4", "#B1ABD1", "#B884C0", "#D970D6", "#CC6DBA", "#AB8998", "#9F5075", "#52132E", "#912566", "#9901D6", "#820082", "#B2B2B2", "#AAAAAA", "#ACACA9", "#CAC7B9", "#E1E5CD", "#E6D8C1", "#EEE8AB", "#F5E1B8", "#FEDFD0", "#FFDFB7", "#FFEEA7", "#FFFFB3", "#EEF8B0", "#DBECBC", "#BAE4BD", "#B0EDEE", "#A6D9E6", "#9FCBE1", "#A1BCD9", "#A0B1C3", "#9C97C7", "#AA78D3", "#BB55D3", "#A15DBD", "#AA579B", "#7E5195", "#73446D", "#762E89", "#7B0F77", "#46007C", "#A4A4A4", "#A0A0A0", "#A2A2A0", "#ABB09C", "#C4D2A7", "#CEDB9C", "#DADA8B", "#F3CEB0", "#FBC4C0", "#FECEAD", "#FFDDAB", "#FFFF98", "#DCFF9E", "#C7E9B4", "#C6E8BF", "#A4ECC9", "#ACDEDC", "#9ED5DE", "#91C3DD", "#88A8B6", "#8D9BC9", "#A0A0DE", "#B064E2", "#9F33CA", "#934CA0", "#9B6AA4", "#796686", "#663D99", "#502189", "#3D0046", "#939393", "#989898", "#A39B98", "#B7AB98", "#D7C5AA", "#E1DAAC", "#E7C893", "#EEBA9B", "#FCB49F", "#FDD1A0", "#FEDF8E", "#F0E68C", "#DDF195", "#B1EDA3", "#9FEFA7", "#BAE0D2", "#A3C1C1", "#91D5C8", "#80BFCF", "#79ADD1", "#6988D2", "#9475DD", "#912DE8", "#7636BC", "#9169BA", "#8559A5", "#66529C", "#49408B", "#1B1B6E", "#21181B", "#7F7F7F", "#888888", "#A18280", "#C39793", "#D49685", "#D1B589", "#DEBB84", "#F3A682", "#FE9997", "#FDBD85", "#FBCC8B", "#FEDA76", "#F2E76C", "#80FF80", "#99FB99", "#7AE094", "#A4DCB5", "#9CBAAD", "#7ECCC0", "#67A9CE", "#6BAED6", "#89A6E7", "#7D67EF", "#4A43FB", "#6B66CC", "#7C75B0", "#5758A3", "#435F87", "#393B77", "#141F3B", "#777777", "#7A7A7A", "#A5967D", "#BC906E", "#BDB66B", "#DAB165", "#E9987E", "#F79984", "#FFA07A", "#FEBC75", "#FFCB61", "#FFEE6A", "#CCFE63", "#67FF68", "#90EE90", "#A4D99D", "#BCCABB", "#7CC1A6", "#65CBCC", "#62C6E0", "#89CEEB", "#9B8CFF", "#6573FF", "#4169E2", "#5B7EBB", "#5264AF", "#677489", "#4E4C68", "#302B40", "#141922", "#737373", "#6D6D6D", "#797B6C", "#969263", "#AC884E", "#C0A05E", "#DD7B72", "#F08080", "#FC9272", "#FDAD66", "#FDB662", "#FDDB5D", "#F0FF64", "#9CFF63", "#80E064", "#B6E08D", "#98DE8A", "#69BF85", "#66C6A7", "#41B6C2", "#5BBAE8", "#8DCBFC", "#62A5FE", "#6495ED", "#5C97D1", "#467DB4", "#5C819F", "#778695", "#545E66", "#34404D", "#666666", "#7B615C", "#9A6A56", "#9E615D", "#BE6D5F", "#D25B54", "#E56358", "#FA8072", "#FD8F5E", "#F4A560", "#EBCF68", "#F0ED38", "#AEFF2C", "#BCE26E", "#ACD46A", "#A7CB80", "#78C579", "#8EB78D", "#5DB7AE", "#43D8CE", "#76D6EE", "#A0FAFA", "#62D7FF", "#49B1D3", "#4392C5", "#669EB7", "#689E9E", "#728B86", "#3D6359", "#2D4949", "#535353", "#5E5E5E", "#756951", "#8D564A", "#A17340", "#CB7C38", "#DB713A", "#FF6E64", "#FE7F53", "#EC8C5E", "#E9BE50", "#FEB94D", "#FFFE32", "#C0EE3B", "#A7D752", "#93CA60", "#66CF62", "#66BD65", "#5CA963", "#3ABDAD", "#6CE7CC", "#75FFD0", "#61FBF8", "#34D0E7", "#3FA0CB", "#3592BC", "#468CAD", "#44A39F", "#358E89", "#1B4A64", "#454545", "#544F41", "#7A5A3C", "#8C6B31", "#A7761E", "#D16E1F", "#F26945", "#FD6549", "#FC8E3D", "#F0A442", "#FDBF34", "#FED931", "#FCFD00", "#CED03D", "#99CE32", "#7DBF41", "#84B560", "#4EAC4B", "#40AA5B", "#4ECD87", "#63FFA0", "#30F4C4", "#00FEFC", "#389BFB", "#2BA0D8", "#2E82BB", "#3881B8", "#376DAF", "#36669A", "#2B3796", "#3B3B3B", "#404040", "#863C39", "#6B591E", "#A5542A", "#B55F19", "#E24936", "#FC4B35", "#F77725", "#FD9D2E", "#F8961F", "#FFBA05", "#FED400", "#EDCB22", "#BDBF22", "#8AAB33", "#8CA154", "#637263", "#4C8869", "#3FB074", "#22DA65", "#01FC8D", "#00CCD1", "#01BCFB", "#1390FC", "#1A93C8", "#2D6CCC", "#208E9B", "#2262AA", "#293BC5", "#333333", "#3B2D26", "#8C4B13", "#862A22", "#A42E2C", "#C54238", "#EF3825", "#F25A29", "#E67B15", "#FF7F0F", "#FF8C00", "#FFA300", "#D8A522", "#BDA039", "#A29D2C", "#709843", "#5D7134", "#427D41", "#309956", "#2AA660", "#05C356", "#03C58E", "#17BECF", "#00A3D6", "#017EC9", "#167AC1", "#2075B4", "#0E53CE", "#0257FE", "#0300FF", "#2C2C2C", "#252525", "#3D291A", "#864709", "#AC361D", "#B32322", "#D72F25", "#DC3C13", "#E55B0E", "#FF6801", "#FF7F00", "#F69C09", "#E8AD03", "#D4B111", "#9BB80F", "#6B9B21", "#4E9121", "#438832", "#238C21", "#208040", "#19974B", "#199D75", "#20B1A9", "#00A3B2", "#0084B1", "#066FAD", "#116D96", "#236688", "#003EC1", "#0223F3", "#222222", "#22251D", "#5B2C05", "#8F2E03", "#A83403", "#C12116", "#E81C16", "#E64408", "#F55300", "#E77800", "#DF8801", "#D39A00", "#C9A900", "#7A7D01", "#6FAE05", "#4FAA28", "#34CE34", "#2EA02C", "#2A631A", "#11381E", "#018C3A", "#00966B", "#009299", "#018989", "#005FA0", "#08509B", "#012F8B", "#0F2887", "#1F1194", "#0200CB", "#1A1A1A", "#111111", "#040101", "#270500", "#7D1F12", "#B30000", "#E40F09", "#FF1F1D", "#FB4300", "#EC6400", "#C07704", "#B9860B", "#BFB500", "#AFC200", "#7AE400", "#65EE00", "#2FFA0B", "#2BCE16", "#129418", "#116213", "#004C1D", "#006732", "#016855", "#00807B", "#077D96", "#035A8C", "#0B437E", "#073068", "#091D4E", "#02018E", "#080808", "#000000", "#0A0606", "#7A0100", "#8F0100", "#CB0500", "#FF0100", "#FC2E00", "#D34901", "#D95F02", "#B25A05", "#9D9700", "#A0D000", "#8FDB00", "#7EFE01", "#4BF600", "#00FD00", "#04B501", "#058400", "#026402", "#053C00", "#00402F", "#01625B", "#006374", "#024E7D", "#014461", "#013555", "#05041F", "#05045A", "#00017F"];

var counts = [65, 35, 224, 26, 1, 91, 23, 1, 38, 49, 31, 1, 27, 55, 68, 52, 18, 5, 55, 37, 7, 86, 66, 36, 49, 79, 22, 12, 24, 47, 28, 4, 50, 195, 36, 52, 1415, 11, 51, 36, 25, 1, 28, 42, 7, 25, 15, 55, 40, 32, 43, 31, 38, 27, 56, 34, 50, 107, 45, 54, 446, 4, 40, 8, 46, 2, 1, 1, 54, 24, 39, 66, 14, 1, 66, 40, 6, 27, 30, 1, 60, 60, 36, 30, 38, 19, 35, 45, 49, 47, 40, 50, 1, 1, 2, 125, 35, 30, 15, 54, 26, 46, 32, 35, 3, 34, 84, 49, 66, 73, 15, 28, 96, 21, 40, 40, 21, 69, 15, 20, 150, 23, 2, 15, 14, 3, 2, 13, 6, 58, 23, 47, 17, 28, 57, 31, 34, 32, 38, 13, 14, 37, 29, 39, 14, 22, 18, 19, 40, 102, 24, 221, 1, 17, 17, 17, 30, 41, 40, 63, 37, 48, 29, 21, 17, 29, 73, 96, 38, 62, 53, 7, 27, 19, 57, 29, 70, 29, 18, 57, 14, 10, 1, 19, 7, 27, 33, 5, 15, 16, 40, 34, 9, 18, 84, 14, 34, 3, 40, 20, 31, 36, 3, 36, 50, 36, 35, 29, 46, 46, 7, 255, 1, 21, 30, 14, 47, 8, 38, 59, 68, 26, 64, 1, 2, 22, 9, 44, 1, 64, 11, 32, 33, 4, 59, 28, 75, 30, 43, 21, 77, 88, 5, 69, 8, 34, 37, 23, 46, 55, 19, 29, 2, 1, 27, 6, 27, 2, 53, 18, 83, 8, 27, 17, 63, 132, 58, 20, 38, 35, 282, 9, 24, 8, 34, 16, 35, 1, 25, 47, 36, 39, 38, 59, 28, 94, 11, 5, 13, 6, 33, 9, 29, 29, 21, 51, 26, 19, 17, 29, 36, 17, 20, 12, 10, 6, 8, 26, 13, 79, 42, 27, 28, 28, 2, 66, 36, 3, 62, 31, 25, 51, 37, 28, 23, 72, 6, 61, 18, 35, 235, 4, 4, 50, 18, 52, 20, 57, 67, 27, 17, 14, 27, 44, 67, 7, 91, 41, 17, 56, 12, 16, 29, 30, 64, 17, 47, 21, 16, 36, 135, 12, 21, 36, 12, 77, 14, 17, 33, 19, 48, 57, 23, 2, 24, 26, 7, 53, 22, 7, 4, 53, 52, 1, 16, 24, 4, 21, 33, 14, 129, 11, 12, 32, 30, 34, 55, 45, 76, 36, 18, 23, 56, 7, 37, 35, 13, 34, 19, 5, 36, 1, 53, 16, 27, 155, 46, 22, 44, 47, 14, 25, 35, 14, 60, 27, 31, 45, 11, 33, 10, 10, 53, 2, 42, 8, 34, 9, 10, 43, 12, 64, 37, 46, 55, 32, 21, 17, 45, 7, 299, 4, 32, 13, 45, 23, 50, 17, 39, 55, 54, 46, 35, 36, 5, 10, 66, 17, 74, 29, 15, 5, 35, 42, 26, 3, 127, 5, 12, 93, 11, 42, 16, 27, 20, 31, 74, 11, 65, 17, 36, 7, 34, 5, 6, 60, 17, 7, 28, 52, 49, 46, 30, 17, 18, 73, 4, 30, 15, 8, 249, 8, 32, 51, 18, 3, 11, 3, 42, 51, 50, 46, 40, 32, 28, 15, 35, 60, 23, 15, 21, 17, 14, 45, 27, 70, 25, 27, 7, 52, 31, 72, 1, 17, 15, 62, 6, 24, 61, 54, 6, 27, 43, 53, 58, 52, 13, 9, 10, 4, 30, 66, 25, 45, 5, 25, 25, 61, 36, 52, 27, 1497, 1, 60, 75, 30, 201, 35, 51, 36, 15, 6, 45, 48, 52, 45, 70, 30, 60, 48, 15, 42, 24, 1, 28, 11, 25, 23, 11, 31];

//svg sizes and margins
var margin = {left: 50, top: 50, right: 0, bottom: -30},
	width = 920,
	height = 550;

//The number of columns and rows of the heatmap
var MapColumns = 30,
	MapRows = 20;
	
///////////////////////////////////////////////////////////////////////////
/////////////////////// Create hexagon variables //////////////////////////
///////////////////////////////////////////////////////////////////////////

//The maximum radius the hexagons can have to still fit the screen
var hexRadius = d3.min([width/(Math.sqrt(3)*(MapColumns+3)),
						height/((MapRows+3)*1.5)]);

//Set the new height and width based on the max possible
//width = MapColumns*hexRadius*Math.sqrt(3);
//heigth = MapRows*1.5*hexRadius;//+0.5*hexRadius;

//Scale for the min and max hex sizes, based on circular sqrt
var hexSize = d3.scale.sqrt()
	.range([hexRadius*0.1,hexRadius*4])
	.domain([d3.min(counts), d3.max(counts)]);
	
//Initiate hexbin
var hexbin = d3.hexbin()
    .radius(hexRadius)
	.size([width, height])
	.x(function(d) { return d.xPos; })
	.y(function(d) { return d.yPos; });

//Calculate the center positions of each hexagon	
var points = [],
	counter = 0;
for (var i = 0; i < MapRows; i++) {
    for (var j = 0; j < MapColumns; j++) {
		points[counter] = {
			xPos: hexRadius * j * 1.75,
			yPos: hexRadius * i * 1.5,
			color: color[counter],
			counts: counts[counter]
		}
		counter = counter + 1;
    }//for j
}//for i

///////////////////////////////////////////////////////////////////////////
////////////////////////////// Initiate SVG ///////////////////////////////
///////////////////////////////////////////////////////////////////////////

var svg = d3.select("#chart").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
    .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

///////////////////////////////////////////////////////////////////////////
////////////////////// Draw hexagons and color them ///////////////////////
///////////////////////////////////////////////////////////////////////////

//Create the hexbin data
var hexData = hexbin(points);
//Add extra data to the hexbin result
hexData.forEach(function(d,i) {
	d.color = points[i].color; 
	d.counts = points[i].counts; 
});
//Sort from biggest to smallest hexbin
hexData.sort(function(a, b) { return b.counts - a.counts; })

//Start drawing the hexagons
svg.append("g")
    .selectAll(".hexagon")
    .data(hexData)
    .enter().append("path")
    .attr("class", "hexagon")
    .attr("d", function (d,i) {return "M" + d.x + "," + d.y + hexbin.hexagon(hexSize(d.counts)); })
	.attr("stroke", function (d,i) { return d3.rgb(d.color).darker(1.5); })
	.attr("stroke-opacity", "0.5")
    .attr("stroke-width", "1px")
    .style("fill", function (d,i) { return d.color; })
	.on("mouseover", mover)
	.on("mouseout", mout);
	
///////////////////////////////////////////////////////////////////////////
///////////////// Mouse over and Mouse out functions //////////////////////
///////////////////////////////////////////////////////////////////////////

//Function to call when you mouseover a node
function mover(d,i) {
	$(this).popover({
		placement: 'auto top', //place the tooltip above the item
		container: '#chart', //the name (class or id) of the container
		trigger: 'manual',
		html : true,
		content: function() { //the html content to show inside the tooltip
			return "<span>" + d.color + "</span>"; }
	});
	$(this).popover('show');	
}

//Mouseout function
function mout(d,i) { 
	//Hide the tooltip
	$('.popover').each(function() {
		$(this).remove();
	}); 
};

////////////////////////////////////////////////////////////
////////////////// Button Activity /////////////////////////
////////////////////////////////////////////////////////////

/* Activate the buttons and link to data sets */
d3.select("#diffSizeButton").on("click", function () {
	d3.selectAll(".hexagon")
		.transition().duration(500)
		.attr("d", function (d,i) {return "M" + d.x + "," + d.y + hexbin.hexagon(hexSize(d.counts)); })
		.attr("stroke", function (d,i) { return d3.rgb(d.color).darker(1.5); })
		.attr("stroke-opacity", "0.5");
});

d3.select("#sameSizeButton").on("click", function() {
	d3.selectAll(".hexagon")
		.transition().duration(500)
		.attr("d", function (d,i) {return "M" + d.x + "," + d.y + hexbin.hexagon(); })
		.attr("stroke", function (d,i) { return d.color })
		.attr("stroke-opacity", "1");
});