package com.uas.ps.message;

import com.uas.account.web.AccountConfigurer;
import com.uas.ps.core.util.ContextUtils;
import com.uas.sso.web.SSOConfigurer;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.event.ApplicationPreparedEvent;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Profile;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;

import java.io.*;
import java.util.Properties;
import java.util.logging.Logger;


/**
 * 应用入口
 *
 * @author sunyj
 * @since 2017年8月16日 下午4:00:03
 */
@SpringBootApplication
@EnableWebMvc
public class Application {

    private static final Logger logger = Logger.getLogger(SSOConfigurer.class.getName());

    public static void main(String[] args) throws FileNotFoundException {
        File logFile = new File("logs/log.log");
        if (!logFile.getParentFile().exists()) {
            logFile.getParentFile().mkdir();
        }
        System.setErr(new PrintStream(new FileOutputStream(logFile, true)));
        SpringApplication application = new SpringApplication(Application.class);
        application.addListeners(new ApplicationListener<ApplicationPreparedEvent>() {
            @Override
            public void onApplicationEvent(ApplicationPreparedEvent event) {
                ContextUtils.setApplicationContext(event.getApplicationContext());
            }
        });
        application.run(args);
    }

    @Bean(name = "accountConfigurer")
    @Profile(value = {"dev"})
    public AccountConfigurer devAccountConfigurer(ApplicationContext applicationContext) {
        return accountConfigurer(applicationContext, "classpath:config/account-dev.properties");
    }

    @Bean(name = "accountConfigurer")
    @Profile(value = {"test", "prod"})
    public AccountConfigurer prodAccountConfigurer(ApplicationContext applicationContext) {
        return accountConfigurer(applicationContext, "classpath:account-prod.properties");
    }

    private AccountConfigurer accountConfigurer(ApplicationContext applicationContext, String location) {
        AccountConfigurer configurer = new AccountConfigurer();
        // 解决Spring Boot应用不支持Resource.getFile方式读取配置文件的问题
        Properties prop = getProperties(applicationContext, location);

        if (prop != null) {
            configurer.initProperties(prop);
        } else {
            logger.severe("Initializing is not available AccountConfigLocation on the classpath");
        }
        return configurer;
    }

    private Properties getProperties(ApplicationContext applicationContext, String location) {
        Properties prop = null;
        try (InputStream stream = applicationContext.getResource(location).getInputStream()) {
            prop = new Properties();
            prop.load(stream);
        } catch (IOException e) {
            e.printStackTrace();
            logger.severe(" account read config file error. \n" + e.toString());
        }
        return prop;
    }
}