package com.hepl.tunefortwo.config.thymeleaf;

import java.nio.charset.StandardCharsets;
import java.util.Collections;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.templatemode.TemplateMode;
import org.thymeleaf.templateresolver.ClassLoaderTemplateResolver;
import org.thymeleaf.templateresolver.ITemplateResolver;

@Configuration
public class ThymeleafConfig {

    @Bean
    TemplateEngine emailTemplateEngine() {
        final TemplateEngine templateEngine = new TemplateEngine();
        // Resolver for HTML emails (except the editable one)
        templateEngine.addTemplateResolver(htmlTemplateResolver());
        return templateEngine;
    }

    private ITemplateResolver htmlTemplateResolver() {
        final ClassLoaderTemplateResolver templateResolver = new ClassLoaderTemplateResolver();
        templateResolver.setResolvablePatterns(Collections.singleton("*"));
        templateResolver.setPrefix("/templates/");
        templateResolver.setSuffix(".html");
        templateResolver.setTemplateMode(TemplateMode.HTML);
        templateResolver.setCharacterEncoding(StandardCharsets.UTF_8.toString());
        templateResolver.setCacheable(false);
        return templateResolver;
    }
}