package kr.wisestone.owl.config;

import com.amazonaws.ClientConfiguration;
import com.amazonaws.Protocol;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import kr.wisestone.owl.util.PageUtil;
import kr.wisestone.owl.util.WebAppUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.context.support.MessageSourceAccessor;
import org.springframework.context.support.PropertySourcesPlaceholderConfigurer;
import org.springframework.context.support.ReloadableResourceBundleMessageSource;
import org.springframework.core.io.ClassPathResource;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.session.FindByIndexNameSessionRepository;
import org.springframework.session.security.SpringSessionBackedSessionRegistry;

import java.util.Properties;

/**
 * Created by jeong on 2017-08-14.
 */
@Configuration
public class CommonConfiguration {

    private static final String FILE_ENCODING = "UTF-8";
    private static final String MAIL_DEBUG = "mail.debug";
    private static final String MAIL_SMTP_STARTTLS_ENABLE = "mail.smtp.starttls.enable";
    private static final String MAIL_SMTP_AUTH = "mail.smtp.auth";
    private static final String MAIL_SMTP_SSL_TRUST = "mail.smtp.ssl.trust";

    @Value("${aws.access.key}")
    private String accessKey;

    @Value("${aws.access.password}")
    private String accessPassword;

    @Autowired
    private FindByIndexNameSessionRepository findByIndexNameSessionRepository;

    @Value("${email.host}")
    private String emailHost;
    @Value("${email.port}")
    private String emailPort;
    @Value("${email.userName}")
    private String emailUserName;
    @Value("${email.password}")
    private String emailPassword;
    @Value("${email.transport.protocol}")
    private String emailTransportProtocol;
    @Value("${email.smtp.auth}")
    private String emailSmtpAuth;
    @Value("${email.smtp.starttle.enable}")
    private String emailSmtpStarttleEnable;
    @Value("${email.debug}")
    private String emailDebug;
    @Value("${email.sendUrl}")
    private String emailSendUrl;

    @Bean
    public WebAppUtil webAppUtil() {
        return new WebAppUtil();
    }

    @Bean
    public PageUtil pageUtil() {
        return new PageUtil();
    }

    @Profile("prod")
    @Bean
    public static PropertySourcesPlaceholderConfigurer prodProperties() {
        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
        configurer.setLocations(new ClassPathResource("system_prod.properties"));
        configurer.setFileEncoding(FILE_ENCODING);

        return configurer;
    }

    @Profile("dev")
    @Bean
    public static PropertySourcesPlaceholderConfigurer devProperties() {
        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
        configurer.setLocations(new ClassPathResource("system_dev.properties"));
        configurer.setFileEncoding(FILE_ENCODING);

        return configurer;
    }

    @Profile("test")
    @Bean
    public static PropertySourcesPlaceholderConfigurer testProperties() {
        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
        configurer.setLocations(new ClassPathResource("system_test.properties"));
        configurer.setFileEncoding(FILE_ENCODING);

        return configurer;
    }

    @Profile("design")
    @Bean
    public static PropertySourcesPlaceholderConfigurer designProperties() {
        PropertySourcesPlaceholderConfigurer configurer = new PropertySourcesPlaceholderConfigurer();
        configurer.setLocations(new ClassPathResource("system_design.properties"));
        configurer.setFileEncoding(FILE_ENCODING);

        return configurer;
    }

    @Bean
    public String getEmailSendUrl() { return this.emailSendUrl; }

    @Bean
    public MessageSourceAccessor messageSourceAccessor(ReloadableResourceBundleMessageSource reloadableResourceBundleMessageSource) {
        return new MessageSourceAccessor(reloadableResourceBundleMessageSource);
    }

    @Bean
    public ReloadableResourceBundleMessageSource messageSource() {
        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
        messageSource.setCacheSeconds(10);
        messageSource.setDefaultEncoding(FILE_ENCODING);
        messageSource.setBasenames("/WEB-INF/i18n/messages", "/WEB-INF/i18n/mail", "/WEB-INF/i18n/code");
        messageSource.setUseCodeAsDefaultMessage(true);

        return messageSource;
    }

    @Bean
    public JavaMailSender javaMailSender() {
        JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl();
        javaMailSender.setHost(this.emailHost);
        javaMailSender.setPort(Integer.valueOf(this.emailPort));
        javaMailSender.setUsername(this.emailUserName);
        javaMailSender.setPassword(this.emailPassword);

        Properties javaMailProperties = new Properties();
        javaMailProperties.setProperty(MAIL_SMTP_SSL_TRUST, this.emailHost);
        javaMailProperties.setProperty(MAIL_SMTP_AUTH, this.emailSmtpAuth);
        javaMailProperties.setProperty(MAIL_SMTP_STARTTLS_ENABLE, this.emailSmtpStarttleEnable);
        javaMailProperties.setProperty(MAIL_DEBUG, this.emailDebug);
        javaMailSender.setJavaMailProperties(javaMailProperties);

        return javaMailSender;
    }

    @Bean
    public AmazonS3 amazonS3() {
        BasicAWSCredentials credentials = new BasicAWSCredentials(this.accessKey, this.accessPassword);
        ClientConfiguration clientConfiguration = new ClientConfiguration();
        clientConfiguration.setProtocol(Protocol.HTTP);

        return AmazonS3ClientBuilder
                .standard()
                .withRegion(Regions.AP_NORTHEAST_2)
                .withCredentials(new AWSStaticCredentialsProvider(credentials))
                .withClientConfiguration(clientConfiguration).build();
    }

    @Bean
    @SuppressWarnings("unchecked")
    public SpringSessionBackedSessionRegistry sessionRegistry() {
        return new SpringSessionBackedSessionRegistry(this.findByIndexNameSessionRepository);
    }

}