'use strict';

var value     = require('es5-ext/object/valid-value')
  , normalize = require('es5-ext/object/normalize-options')

  , map = Array.prototype.map, keys = Object.keys
  , stringify = JSON.stringify;

module.exports = function (data, context/*, options*/) {
	var names, argNames, argValues, options = Object(arguments[2]);

	(value(data) && value(data.literals) && value(data.substitutions));
	context = normalize(context);
	names = keys(context);
	argNames = names.join(', ');
	argValues = names.map(function (name) { return context[name]; });
	return [data.literals].concat(map.call(data.substitutions, function (expr) {
		var resolver;
		if (!expr) return undefined;
		try {
			resolver = new Function(argNames, 'return (' + expr + ')');
		} catch (e) {
			throw new TypeError("Unable to compile expression:\n\targs: " + stringify(argNames) +
				"\n\tbody: " + stringify(expr) + "\n\terror: " + e.stack);
		}
		try {
			return resolver.apply(null, argValues);
		} catch (e) {
			if (options.partial) return '${' + expr + '}';
			throw new TypeError("Unable to resolve expression:\n\targs: " + stringify(argNames) +
				"\n\tbody: " + stringify(expr) + "\n\terror: " + e.stack);
		}
	}));
};