import snag;
import commandr;
import std.file;

import core.stdc.stdlib : EXIT_SUCCESS, EXIT_FAILURE;

private string programName = "snag";

int main(string[] args)
{
	auto argumets = new Program(programName, snagVersion)
		.add(new Command("init", "Initializing the repository for storing snapshots"))
		.add(new Command("status", "Checking the status of tracked files"))
		.add(new Command("create", "Create a new backup"))
		.add(new Command("list", "List of backups"))
		.add(new Command("restore", "Restore to the specified snapshot state")
			.add(new Argument("hash", "hash").required)
		)
		.add(new Option("c", "config", "Сonfiguration file path")
			.optional
			.validateEachWith(
				opt => opt.exists && opt.isFile,
				"A JSON file path must be provided"
			)
		)
		.parse(args);

	string configFile = argumets.option("config", "snag.json");

	SnagConfig config;

	try {
		config = new SnagConfig(configFile);
	} catch (SnagConfigException e) {
		e.print();
		return EXIT_FAILURE;
	}

	auto snag = new Snag(config);
	import std.stdio;
	try {
		argumets
			.on("init", init =>
				snag.initialize()
			)
			.on("status", status =>
				snag.status()
			)
			.on("create", create =>
				snag.create()
			)
			.on("list", list =>
				snag.list()
			)
			.on("restore", restore =>
				snag.restore(restore.arg("hash"))
			);
	} catch (SnagException e) {
		e.print();
		return EXIT_FAILURE;
	}

	return EXIT_SUCCESS;
}