const PADDING = 24;

for(var i = 1; i < ARGV.length; i++) {
	if(ARGV[i] == "--help") {
		var keys;

		console.log("PMake " + pmake.VERSION + " - Pyrite's build script generator");
		console.log("");
		console.log("Usage: " + ARGV[0] + " [options]");

		keys = Object.keys(pmake.options);
		for(var i = 0; i < keys.length; i++) {
			console.log("");
			console.log("OPTIONS - " + keys[i]);

			var keys2 = Object.keys(pmake.options[keys[i]]);
			for(var j = 0; j < keys2.length; j++) {
				const opt  = pmake.options[keys[i]][keys2[j]];
				var   arg  = "";
				var   opts = [];

				if(opt.option) {
					arg = "=" + opt.option;
				}

				console.log("  --" + keys2[j] + arg + " ".repeat(PADDING - keys2[j].length - 2 - arg.length) + opt.description);
				if(!opt.options) {
				} else if((typeof opt.options) == "function") {
					opts = opt.options();
				} else {
					opts = opt.options;
				}

				if(opts.length > 0) {
					for(var k = 0; k < opts.length; k++) {
						console.log("      " + opts[k]);
					}
					console.log("");
				}
			}
		}

		console.log("");
		console.log("ACTIONS");
		keys = Object.keys(pmake.actions);
		for(var i = 0; i < keys.length; i++) {
			console.log("  " + keys[i] + " ".repeat(PADDING - keys[i].length) + pmake.actions[keys[i]].description);
		}
		process.exit(0);
	} else if(ARGV[i].startsWith("--")) {
		console.log("Error: invalid option '" + ARGV[i].substr(2) + "'");
		process.exit(1);
	}
}

(function() {
function make(output) {
	var mk = new pmake.File(output, "w");

	mk.write("# This file was auto-generated. Do not edit manually!\n");
	mk.write("\n");
	mk.write("SILENT = @\n");
	mk.write("\n");

	if(output == "Makefile") {
		var targets = pmake.resolveProjects(pmake.projects);
		for(var i = 0; i < targets.length; i++) {
			mk.write(targets[i].target + ":\n");
			mk.write("	@$(MAKE) -f " + targets[i].target + ".make\n");
			mk.write("\n");
		}
	} else {
	}

	mk.close();
}

make("Makefile");
var targets = pmake.resolveProjects(pmake.projects);
for(var i = 0; i < targets.length; i++) {
	make(targets[i].target + ".make");
}
})();