package org.gcube.accounting.datamodel.validations.validators;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.InputStream;
import java.net.URL;

import org.gcube.documentstore.records.DSMapper;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.databind.ObjectMapper;

public class TestRules {
	
	private static final Logger logger = LoggerFactory.getLogger(TestRules.class);
	
	@Test
	public void testAllRules() throws Exception {
		
		String[] aggregationTests = new String[]{
				"AuthorizationService-generate", "AuthorizationService-retrieve", "AuthorizationService-scopes",
				"TagMe-tag", "GeoNetwork-login", "CkanConnector-connect", "CkanConnector-disconnect",
				"FullTextIndexNode-insert", "FullTextIndexNode-delete"
		};
		
		for(String aggregationTest : aggregationTests) {
			testRule(aggregationTest);
		}
		
	}
	
	public void testRule(String rulePrefix) throws Exception {
		ObjectMapper mapper = DSMapper.getObjectMapper();
		InputStream regexInputStream = TestRules.class.getClassLoader().getResourceAsStream(rulePrefix + "-rule.json");
		MatcherReplace matcherReplace = mapper.readValue(regexInputStream, MatcherReplace.class);
		Replacer replacer = matcherReplace.getReplacer();
		
		URL url = TestRules.class.getClassLoader().getResource(rulePrefix + "-values.csv");
		File elaborationFile = new File(url.toURI());
		try(BufferedReader br = new BufferedReader(new FileReader(elaborationFile))) {
			for(String line; (line = br.readLine()) != null;) {
				String[] splittedLine = line.split(",");
				boolean matched = matcherReplace.check(splittedLine[0],splittedLine[1],splittedLine[2]);
				if(matched) {
					logger.info("{} -> {},{},{}", line, replacer.getServiceClass(), replacer.getServiceName(), replacer.getCalledMethod());
				} else {
					logger.error("{} does not match {}. This MUST not occur.", line, matcherReplace.getMultiMatcher().toString());
					throw new Exception(line + " does not match "+ matcherReplace.getMultiMatcher().toString() + ". This MUST not occur.");
				}
				
			}
		} catch(Exception e) {
			throw e;
		}
	}
	
	@Test
	public void testSingleRule() throws Exception {
		testRule("TagMe-tag");
	}
	
}