// Before you run this, change the dropdown on the upper left from:
// 		ExtendScript Toolkit
// to
//		Adobe Photoshop CS2
// (or whichever version of PS you have)

function Main()
{
	// Get a link to the active document (whatever photoshop file is open)
  	var template = app.activeDocument;

	// Store the ruler units and set them to pixels
	var defaultRulerUnits = app.preferences.rulerUnits; 
	app.preferences.rulerUnits = Units.PIXELS;

	// Put a "savepoint" in the history so we can restore it after mucking with the file in this script
	var startingHistoryLocation = template.activeHistoryState;

  	// Here's a bunch of stuff to get information about the photoshop file that is currently open and active
   	var layerCount = template.layers.length;
   	var layerSetsCount = template.layerSets.length;
   	var width = app.activeDocument.width;
   	var height = app.activeDocument.height;

	// Set a bunch of paths we will use later
	var stuffPath = "/C/Users/Mark/Documents/Projects/Bastion/BastionPlaytest8/";
   	var dbText = new File(stuffPath + "bastion_spoiler.txt");
   	var outputFolderPath = "/output/large/";
   	
   	// Open the text file (which is a list of cards/etc, tab delimited)
   	dbText.open ('r');

   	var layerCount = template.layers.length;
   	var layerSetsCount = template.layerSets.length;

	// Fill out the array of lines read from the file
   	var lineArray = new Array();
	var line = 0;
	var tempLine = "";
	while( tempLine = dbText.readln() )
	{
		lineArray[line] = tempLine;
		line++;
	}

	var numLines = lineArray.length;

	for(card = 0; card < numLines; ++card)
	{
		// The text file is tab-delimited, so split the line into columns
		var lineParts = lineArray[card].split('\t');
		
		// Throw out any lines with less than 3 items in them, since that means they are comments or broken or something
		if( lineParts.length < 3 )
		{
			continue;
		}
		
		// Put the columns into named variables for convenience
		var cardName = lineParts[0];
		var cardType = lineParts[1];
		var cardSubType = lineParts[2];
		var cost = lineParts[3];
		var health = lineParts[4];
		var outputName = lineParts[6];	// .jpg
		
		// Bastion-specific stuff
		var textBox = lineParts[5].split('@');
		var rulesText = textBox[0];
		var hasUnitText = textBox.length > 1;
		var unitText = "";
		if( hasUnitText )
		{
			unitText = textBox[1];
		}
			
		var isStructure = cardType == "Building";
		var isInfantry = cardSubType == "Infantry";
		var isOfficer = cardSubType == "Officer";
		var isArtillery = cardSubType == "Artillery";
		var isSupport = cardSubType == "Support";
		var isCavalry = cardSubType == "Cavalry";

		// Title and Type
		var maxWidth = 418;
		var titleLayerRef = template.layerSets[1].layers[0];	// This is the layer the title is on
		var titleRef = titleLayerRef.textItem;					// This is the text item on that layer
		titleRef.horizontalScale = 100;	// Reset scale to 100%
		titleRef.contents = cardName;	// Fill out the title
		var actualWidth = titleLayerRef.bounds[2] - titleLayerRef.bounds[0];	// Check the actual width
		if( actualWidth > maxWidth )
		{
			// Rescale the title since the text is too wide
			var newScale = 100 * maxWidth / actualWidth;
			titleRef.horizontalScale = newScale;
		}
		
		// Print subtype on side of card
		template.layerSets[1].layers[1].textItem.contents = cardSubType;
		
		// Resource and number icons
		template.layerSets[2].layerSets[0].layers[0].textItem.contents = cost;
		template.layerSets[2].layerSets[1].layers[0].textItem.contents = health;
		
		// Card Type
		template.layerSets[3].layerSets[0].visible = isInfantry;
		template.layerSets[3].layerSets[1].visible = isStructure;
		template.layerSets[3].layerSets[2].visible = isArtillery;
		template.layerSets[3].layerSets[3].visible = isOfficer;
		template.layerSets[3].layerSets[4].visible = isSupport;
		template.layerSets[3].layerSets[5].visible = isCavalry;

		// Turn |'s into endlines.
		rulesText = rulesText.replace("|", "\u000D");
		rulesText = rulesText.replace("|", "\u000D");
		rulesText = rulesText.replace("|", "\u000D");

		// Text Box
		template.layerSets[1].layers[2].textItem.contents = rulesText;
		template.layerSets[1].layers[3].textItem.contents = unitText;
		template.layerSets[1].layers[3].visible = hasUnitText;	// Unit Text layer
		template.layerSets[1].layers[4].visible = hasUnitText;	// Horizontal Rule layer

		// Card Art
		if( template.layerSets[4].layers.length > card )
		{
			template.layerSets[4].layers[card].visible = true;
		}
		
		// Save it out
	    var uniqueFileName = stuffPath + outputFolderPath + outputName + ".jpg";
		SaveAsJPEG( uniqueFileName );

		// Rewind to the history "savepoint" that was taken earlier
    	template.activeHistoryState = startingHistoryLocation;
	}

	// Set the ruler units back so your document isn't messed up
	app.preferences.rulerUnits = defaultRulerUnits;

	alert("Done!");
}

// Save the current thing into the file name that was passed in
function SaveAsJPEG( inFileName )
{
	var saveFile = new File(inFileName);
	
	var saveOptions = new JPEGSaveOptions(); 
    saveOptions.embedColorProfile = true;
    saveOptions.formatOptions = FormatOptions.STANDARDBASELINE;
    saveOptions.matte = MatteType.NONE; 
    saveOptions.quality = 12;	// This is the max quality

	app.activeDocument.saveAs(saveFile, saveOptions, true, Extension.LOWERCASE);	// Do the save
}

Main();