package net.curisit.securis.ioc;

import java.io.File;
import java.net.URI;
import java.text.MessageFormat;
import java.util.Arrays;
import java.util.List;
import java.util.Properties;

import javax.inject.Named;
import javax.inject.Singleton;
import javax.sql.DataSource;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriBuilderException;

import org.h2.jdbcx.JdbcDataSource;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.google.inject.AbstractModule;
import com.google.inject.Provides;

public class SecurisModule extends AbstractModule {

	private static final int DEFAULT_PORT = 9997;
	private static final String PROPERTIES_FILE_NAME = "/server.properties";

	private static final Logger log = LoggerFactory.getLogger(SecurisModule.class);

	@Override
	protected void configure() {

	}

	public String getPassword() {
		return getFilePassword() + " " + "53curi5";
	}

	public String getFilePassword() {
		return "cur151T";
	}

	public String getUrl(File appDir) {
		return String.format("jdbc:h2:%s/db/securis;CIPHER=AES", appDir.getAbsolutePath());
	}

	@Named("base-uri")
	@Provides
	@Singleton
	public URI getBaseURI() {
		// TODO Read from configuration, where?
		try {
			// String url = MessageFormat.format("http://{0}/", InetAddress.getLocalHost().getHostAddress());
			String url = MessageFormat.format("http://{0}/", "0.0.0.0");
			log.debug("Server url{}", url);
			return UriBuilder.fromUri(url).port(getPort()).build();
		} catch (IllegalArgumentException | UriBuilderException e) {
			return UriBuilder.fromUri("http://localhost/").port(getPort()).build();
		}
	}

	private int getPort() {
		Integer port;
		Properties prop = new Properties();
		try {
			prop.load(getClass().getResourceAsStream(PROPERTIES_FILE_NAME));
			port = Integer.valueOf(prop.getProperty("port"));
			if (port == null)
				return DEFAULT_PORT;
			else
				return port;
		} catch (Exception ex) {
			return DEFAULT_PORT;
		}
	}

	protected List<String> getAppDbFiles() {

		return Arrays.asList("/db/schema.sql");
	}

	@Named("temporary-dir")
	@Provides
	@Singleton
	public File getTemporaryDir() {
		String tmp = getAppDir().getAbsolutePath();
		tmp += File.separator + ".TEMP";
		File ftmp = new File(tmp);
		if (!ftmp.exists()) {
			if (!ftmp.mkdirs())
				return null;
			log.debug("Created temporary directory for app in: {}", ftmp.getAbsolutePath());
			ftmp.deleteOnExit();
		}
		return ftmp;
	}

	@Named("app-dir")
	@Provides
	@Singleton
	public File getAppDir() {
		String appDir = System.getProperty("user.home", System.getProperty("user.dir"));
		if (appDir == null) {
			appDir = ".";
		}
		appDir += File.separator + ".SeCuris";
		File fAppDir = new File(appDir);
		if (!fAppDir.exists()) {
			if (!fAppDir.mkdirs())
				return null;
			log.debug("Created app working directory app in: {}", fAppDir.getAbsolutePath());
		}
		return fAppDir;
	}

	@Named("support-email")
	@Provides
	@Singleton
	public String getSupportEmail() {
		return "integrity@curistec.com";
	}

	@Named("hash-logo")
	@Provides
	@Singleton
	public String getHashLogo() {
		return "1b42616809d4cd8ccf109e3c30d0ab25067f160b30b7354a08ddd563de0096ba";
	}

	@Named("license-req-file-name")
	@Provides
	@Singleton
	public String getLicenseReqFileName() {
		return "license.req";
	}

	@Named("license-file-name")
	@Provides
	@Singleton
	public String getLicenseFileName() {
		return "license.lic";
	}

	@Provides
	@Singleton
	public DataSource getDataSource(@Named("app-dir") File appDir) {

		JdbcDataSource dataSource = new JdbcDataSource();
		dataSource.setURL(getUrl(appDir));
		dataSource.setUser("curis");
		dataSource.setPassword(getPassword());
		log.debug("JdbcDataSource: {}", dataSource);
		return dataSource;
	}

	@Named("db-files")
	@Provides
	@Singleton
	public List<String> getDbFiles() {
		return getAppDbFiles();
	}

}