const Path = require("path");

module.exports = {
	// Options are passed to Sequelize.
	// See http://sequelizejs.com/documentation#usage-options for details
	mysql: {
		clsi: {
			database: "clsi",
			username: "clsi",
			dialect: "sqlite",
			storage: process.env["SQLITE_PATH"] || Path.resolve(__dirname + "/../db.sqlite"),
			pool: {
				max: 1,
				min: 1
			},
			retry: {
				max: 10
			}
		}
	},

	compileSizeLimit:  process.env["COMPILE_SIZE_LIMIT"] || "7mb",
	
	path: {
		compilesDir:  Path.resolve(__dirname + "/../compiles"),
		clsiCacheDir: Path.resolve(__dirname + "/../cache"),
		synctexBaseDir(project_id) { return Path.join(this.compilesDir, project_id); }
	},

	internal: {
		clsi: {
			port: 3013,
			host: process.env["LISTEN_ADDRESS"] || "localhost"
		},
			
		load_balancer_agent: {
			report_load:true,
			load_port: 3048,
			local_port: 3049
		}
	},
	apis: {
		clsi: {
			url: `http://${process.env['CLSI_HOST'] || 'localhost'}:3013`
		}
	},

			
	smokeTest: process.env["SMOKE_TEST"] || false,
	project_cache_length_ms: 1000 * 60 * 60 * 24,
	parallelFileDownloads: process.env["FILESTORE_PARALLEL_FILE_DOWNLOADS"] || 1,
	parallelSqlQueryLimit: process.env["FILESTORE_PARALLEL_SQL_QUERY_LIMIT"] || 1,
	filestoreDomainOveride: process.env["FILESTORE_DOMAIN_OVERRIDE"],
	texliveImageNameOveride: process.env["TEX_LIVE_IMAGE_NAME_OVERRIDE"],
	sentry: {
		dsn: process.env['SENTRY_DSN']
	}
};


if (process.env["DOCKER_RUNNER"]) {
	let seccomp_profile_path;
	module.exports.clsi = {
		dockerRunner: process.env["DOCKER_RUNNER"] === "true",
		docker: {
			image: process.env["TEXLIVE_IMAGE"] || "quay.io/sharelatex/texlive-full:2017.1",
			env: {
				HOME: "/tmp"
			},
			socketPath: "/var/run/docker.sock",
			user: process.env["TEXLIVE_IMAGE_USER"] || "tex"
		},
		expireProjectAfterIdleMs: 24 * 60 * 60 * 1000,
		checkProjectsIntervalMs: 10 * 60 * 1000
	};

	try {
		seccomp_profile_path = Path.resolve(__dirname + "/../seccomp/clsi-profile.json");
		module.exports.clsi.docker.seccomp_profile = JSON.stringify(JSON.parse(require("fs").readFileSync(seccomp_profile_path)));
	} catch (error) {
		console.log(error, `could not load seccom profile from ${seccomp_profile_path}`);
	}

	module.exports.path.synctexBaseDir = () => "/compile";	
	
	module.exports.path.sandboxedCompilesHostDir = process.env["COMPILES_HOST_DIR"];

	module.exports.path.synctexBinHostPath = process.env["SYNCTEX_BIN_HOST_PATH"];
}