←  single.js

var fs = require("fs"),
path = require("path"),
_ = require("lodash");

var processBlocks = require("./processor").processBlocks,
parseString = require("./parser").parseString;



var docco = function(configs) {
	

	var lang = function(filename) {
		return _(configs).find(function(config) {
			return config.files.some(function(filenameRegEx) {
				return filenameRegEx.test(filename);
			});
		});
	};

	var defaultOptions = {
		templatePath: (__dirname + "/templates/single.file.jst")
	};

	return {
		processFile: function(filePath, done, options) {
			var filename = path.basename(filePath);

			var langConfig = lang(filename);

			options = _.extend(defaultOptions, {
				outputPath: "."
			}, options);

			fs.readFile(options.templatePath, 'utf8', function(err, tpl) {
				if(err) {
					console.log("Could not read template file: " + templatePath);
					throw err;
				}

				var compiledTemplate = _.template(tpl);

				fs.readFile(filePath, 'utf8', function (err, data) {
					if (err) {
						console.log("Could not read documented source file: " + filePath);
						throw err;
					}

					var sections = processBlocks(parseString(
						langConfig.comments, 
						data
						), langConfig.lang);

					fs.writeFile(path.join(options.outputPath, filename + ".html"), 
						compiledTemplate({
							filename: filename,
							sections: sections,
							rootDir: options.rootDir
						}), 
						function(err) {
							if (err) throw err;
							done();
						}
						);
				});
			});
		}
	};
};

module.exports = docco;