package eu.dnetlib.data.collector.plugins.schemaorg;

import eu.dnetlib.data.collector.plugin.AbstractCollectorPlugin;
import eu.dnetlib.data.collector.plugins.schemaorg.httpapi.kaggle.KaggleRepositoryIterable;
import eu.dnetlib.data.collector.plugins.schemaorg.sitemapindex.SitemapFileIterator;
import eu.dnetlib.data.collector.plugins.schemaorg.sitemapindex.SitemapIndexIterator;
import eu.dnetlib.data.collector.plugins.schemaorg.sitemapindex.SitemapIndexRepositoryIterable;
import eu.dnetlib.data.collector.rmi.CollectorServiceException;
import eu.dnetlib.data.collector.rmi.InterfaceDescriptor;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.net.MalformedURLException;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import java.util.concurrent.TimeUnit;

public class SchemaOrgPlugin extends AbstractCollectorPlugin {

    private static final Log log = LogFactory.getLog(SchemaOrgPlugin.class);

    public String hello(){
        return "hello";
    }

    @Override
    public Iterable<String> collect(final InterfaceDescriptor interfaceDescriptor, final String fromDate, final String untilDate) throws CollectorServiceException {
        try {
			RepositoryIterable repository = null;
        	String repositoryAccessType = Utils.getAsString(interfaceDescriptor.getParams(), "repositoryAccessType", null);
        	switch(repositoryAccessType) {
				case "sitemapindex": {
					SitemapIndexRepositoryIterable.Options repositoryOptions = this.compileSitemapIndexRepositoryOptions(interfaceDescriptor);
					SitemapIndexRepositoryIterable repositoryIterable = new SitemapIndexRepositoryIterable(repositoryOptions);
					repositoryIterable.bootstrap();
					repository = repositoryIterable;
					break;
				}
				case "httpapi-kaggle": {
					KaggleRepositoryIterable.Options repositoryOptions = this.compileKaggleRepositoryOptions(interfaceDescriptor);
					KaggleRepositoryIterable repositoryIterable = new KaggleRepositoryIterable(repositoryOptions);
					repositoryIterable.bootstrap();
					repository = repositoryIterable;
					break;
				}
				default:
					throw new CollectorServiceException(String.format("unrecognized repository access type ", repositoryAccessType));
			}
			SchemaOrgIterable.Options schemaOrgOptions = this.compileSchemaOrgOptions(interfaceDescriptor);
            SchemaOrgIterable iterable = new SchemaOrgIterable(schemaOrgOptions, repository);
            return iterable;
        } catch (Exception e) {
            throw new CollectorServiceException("Could not create iterator", e);
        }
    }

	private KaggleRepositoryIterable.Options compileKaggleRepositoryOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		KaggleRepositoryIterable.Options kaggleRepositoryOptions = new KaggleRepositoryIterable.Options();
		kaggleRepositoryOptions.setQueueSize(Utils.getAsInt(interfaceDescriptor.getParams(), "httpapi-kaggle_queueSize", 100));
		kaggleRepositoryOptions.setPutTimeout(Utils.getAsLong(interfaceDescriptor.getParams(), "httpapi-kaggle_producerBlockPollingTimeout", 20));
		kaggleRepositoryOptions.setPutTimeoutUnit(Utils.getAsEnum(interfaceDescriptor.getParams(), "httpapi-kaggle_producerBlockPollingTimeoutUnit", TimeUnit.MINUTES, TimeUnit.class));
		kaggleRepositoryOptions.setCharset(Utils.getAsCharset(interfaceDescriptor.getParams(), "httpapi-kaggle_APICharset", StandardCharsets.UTF_8));
		kaggleRepositoryOptions.setQueryUrl(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_queryUrl", null));
		kaggleRepositoryOptions.setQueryPagePlaceholder(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_queryPagePlaceholder", "{PAGE}"));
		kaggleRepositoryOptions.setResponsePropertyTotalDataset(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_responsePropertyTotalDataset", "totalDatasetListItems"));
		kaggleRepositoryOptions.setResponsePropertyDatasetList(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_responsePropertyDatasetList", "datasetListItems"));
		kaggleRepositoryOptions.setResponsePropertyDatasetUrl(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_responsePropertyDatasetUrl", "datasetUrl"));
		kaggleRepositoryOptions.setResponseBaseDatasetUrl(Utils.getAsString(interfaceDescriptor.getParams(), "httpapi-kaggle_responseBaseDatasetUrl", interfaceDescriptor.getBaseUrl()));
		kaggleRepositoryOptions.setRepositoryQueueIteratorOptions(this.compileRepositoryQueueOptions(interfaceDescriptor));
		return kaggleRepositoryOptions;

	}

    private SitemapIndexIterator.Options compileSitemapIndexOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		SitemapIndexIterator.Options sitemapIndexIteratorOptions = new SitemapIndexIterator.Options();
		sitemapIndexIteratorOptions.setCharset(Utils.getAsCharset(interfaceDescriptor.getParams(), "sitemap_IndexCharset", StandardCharsets.UTF_8));
		sitemapIndexIteratorOptions.setIndexUrl(new URL(interfaceDescriptor.getBaseUrl()));
		return sitemapIndexIteratorOptions;

	}

	private SitemapFileIterator.Options compileSitemapFileOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		SitemapFileIterator.Options sitemapFileIteratorOptions = new SitemapFileIterator.Options();
		sitemapFileIteratorOptions.setCharset(Utils.getAsCharset(interfaceDescriptor.getParams(), "sitemap_FileCharset", StandardCharsets.UTF_8));
		sitemapFileIteratorOptions.setSchemaType(Utils.getAsEnum(interfaceDescriptor.getParams(), "sitemap_FileSchema", SitemapFileIterator.Options.SitemapSchemaType.Xml, SitemapFileIterator.Options.SitemapSchemaType.class));
		sitemapFileIteratorOptions.setFileType(Utils.getAsEnum(interfaceDescriptor.getParams(), "sitemap_FileType", SitemapFileIterator.Options.SitemapFileType.Text, SitemapFileIterator.Options.SitemapFileType.class));
		return sitemapFileIteratorOptions;
	}

	private RepositoryQueueIterator.Options compileRepositoryQueueOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		RepositoryQueueIterator.Options repositoryQueueIteratorOptions = new RepositoryQueueIterator.Options();
		repositoryQueueIteratorOptions.setBlockPolling(Utils.getAsBoolean(interfaceDescriptor.getParams(), "consumerBlockPolling", true));
		repositoryQueueIteratorOptions.setPollTimeout(Utils.getAsLong(interfaceDescriptor.getParams(), "consumerBlockPollingTimeout", 2));
		repositoryQueueIteratorOptions.setPollTimeoutUnit(Utils.getAsEnum(interfaceDescriptor.getParams(), "consumerBlockPollingTimeoutUnit", TimeUnit.MINUTES, TimeUnit.class));
		return repositoryQueueIteratorOptions;
	}

	private SitemapIndexRepositoryIterable.Options compileSitemapIndexRepositoryOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		SitemapIndexRepositoryIterable.Options sitemapIndexRepositoryIterableOptions = new SitemapIndexRepositoryIterable.Options();
		sitemapIndexRepositoryIterableOptions.setQueueSize(Utils.getAsInt(interfaceDescriptor.getParams(), "sitemap_queueSize", 100));
		sitemapIndexRepositoryIterableOptions.setPutTimeout(Utils.getAsLong(interfaceDescriptor.getParams(), "sitemap_producerBlockPollingTimeout", 20));
		sitemapIndexRepositoryIterableOptions.setPutTimeoutUnit(Utils.getAsEnum(interfaceDescriptor.getParams(), "sitemap_producerBlockPollingTimeoutUnit", TimeUnit.MINUTES, TimeUnit.class));
		sitemapIndexRepositoryIterableOptions.setRepositoryQueueIteratorOptions(this.compileRepositoryQueueOptions(interfaceDescriptor));
		sitemapIndexRepositoryIterableOptions.setSitemapFileIteratorOptions(this.compileSitemapFileOptions(interfaceDescriptor));
		sitemapIndexRepositoryIterableOptions.setSitemapIndexIteratorOptions(this.compileSitemapIndexOptions(interfaceDescriptor));
		return sitemapIndexRepositoryIterableOptions;
	}

	private EndpointAccessIterator.Options compileEndpointAccessOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		EndpointAccessIterator.Options endpointAccessIteratorOptions = new EndpointAccessIterator.Options();
		endpointAccessIteratorOptions.setCharset(Utils.getAsCharset(interfaceDescriptor.getParams(), "endpointCharset", StandardCharsets.UTF_8));
		return endpointAccessIteratorOptions;
	}

	private DatasetMappingIterator.Options compileDatasetMappingOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		DatasetMappingIterator.Options datasetMappingIteratorOptions = new DatasetMappingIterator.Options();

		DatasetMappingIterator.Options.UpdatedDateOptions datasetMappingIteratorUpdatedDateOptions = new DatasetMappingIterator.Options.UpdatedDateOptions();
		datasetMappingIteratorUpdatedDateOptions.format =Utils.getAsString(interfaceDescriptor.getParams(), "updatedDateFormat", "YYYY-MM-DD");
		datasetMappingIteratorOptions.setUpdatedDateOptions(datasetMappingIteratorUpdatedDateOptions);

		DatasetMappingIterator.Options.CreatedDateOptions datasetMappingIteratorCreatedDateOptions = new DatasetMappingIterator.Options.CreatedDateOptions();
		datasetMappingIteratorCreatedDateOptions.format =Utils.getAsString(interfaceDescriptor.getParams(), "createdDateFormat", "YYYY-MM-DD");
		datasetMappingIteratorOptions.setCreatedDateOptions(datasetMappingIteratorCreatedDateOptions);

		DatasetMappingIterator.Options.PublicationDateOptions datasetMappingIteratorPublicationDateOptions = new DatasetMappingIterator.Options.PublicationDateOptions();
		datasetMappingIteratorPublicationDateOptions.format =Utils.getAsString(interfaceDescriptor.getParams(), "publicationDateFormat", "YYYY-MM-DD");
		datasetMappingIteratorOptions.setPublicationDateOptions(datasetMappingIteratorPublicationDateOptions);

		DatasetMappingIterator.Options.ContributorOptions datasetMappingIteratorContributorOptions = new DatasetMappingIterator.Options.ContributorOptions();
		datasetMappingIteratorContributorOptions.fallbackType =Utils.getAsEnum(interfaceDescriptor.getParams(), "contributorFallbackType",DatasetDocument.Contributor.ContributorType.Other, DatasetDocument.Contributor.ContributorType.class);
		datasetMappingIteratorOptions.setContributorOptions(datasetMappingIteratorContributorOptions);

		DatasetMappingIterator.Options.IdentifierOptions datasetMappingIteratorIdentifierOptions = new DatasetMappingIterator.Options.IdentifierOptions();
		datasetMappingIteratorIdentifierOptions.fallbackType = Utils.getAsEnum(interfaceDescriptor.getParams(), "identifierFallbackType", null, DatasetDocument.Identifier.IdentifierType.class);
		datasetMappingIteratorIdentifierOptions.fallbackURL = Utils.getAsBoolean(interfaceDescriptor.getParams(), "identifierFallbackURL", true);
		datasetMappingIteratorIdentifierOptions.mappingARK = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingARK", null);
		datasetMappingIteratorIdentifierOptions.mappingDOI = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingDOI", null);
		datasetMappingIteratorIdentifierOptions.mappingHandle = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingHandle", null);
		datasetMappingIteratorIdentifierOptions.mappingPURL = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingPURL", null);
		datasetMappingIteratorIdentifierOptions.mappingURL = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingURL", null);
		datasetMappingIteratorIdentifierOptions.mappingURN = Utils.getAsStringCsv(interfaceDescriptor.getParams(), "identifierMappingURN", null);
		datasetMappingIteratorOptions.setIdentifierOptions(datasetMappingIteratorIdentifierOptions);
		return datasetMappingIteratorOptions;
	}

	private SchemaOrgIterable.Options compileSchemaOrgOptions(InterfaceDescriptor interfaceDescriptor) throws MalformedURLException {
		SchemaOrgIterable.Options schemaOrgIterableOptions = new SchemaOrgIterable.Options();
		schemaOrgIterableOptions.setDatasetMappingOptions(this.compileDatasetMappingOptions(interfaceDescriptor));
		schemaOrgIterableOptions.setEndpointAccessOptions(this.compileEndpointAccessOptions(interfaceDescriptor));
		return schemaOrgIterableOptions;
	}
}