package com.example.reporting.services.impl.pdf;

import static com.example.reporting.util.ResourceUtils.OTHER_RESOURCE_CODES;
import static com.example.reporting.util.DateUtil.formatDate;
import static com.example.reporting.util.ReportUtil.getRegionName;
import static com.example.reporting.util.Constants.*;
import static com.example.reporting.util.NumberUtils.getStringFromBigDecimal;
import static com.example.reporting.util.NumberUtils.getStringFromLong;
import static com.example.reporting.util.PdfUtil.formatDocumentType;
import static com.example.reporting.util.PdfUtil.getPdfPCell;
import static com.example.reporting.util.PdfUtil.getPdfPCellSpaningAcross;
import static com.example.reporting.util.PdfUtil.getPdfPTable;
import static com.example.reporting.util.ReferenceUtil.getResourceLabel;
import static com.example.reporting.util.StringUtils.getYesNo;
import static com.example.reporting.util.StringUtils.MONTHS;

import java.awt.Color;
import java.io.IOException;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.hibernate.HibernateException;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.server.ResponseStatusException;

import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Paragraph;
import com.lowagie.text.pdf.PdfPTable;
import com.lowagie.text.pdf.PdfWriter;

import com.example.reporting.dto.ReportDataDto;
import com.example.reporting.dto.database.*;
import com.example.reporting.dto.reference.*;
import com.example.reporting.services.IReferenceListService;
import com.example.reporting.services.database.ITeamService;

/**
 * Abstract class for PDF converter for reports
 */
public abstract class PdfConverterReport extends PdfConverter<ReportParameter> {

	protected final ITeamService teamService;
	protected final IReferenceListService referenceListService;

	protected Map<String, ReferenceDetailDto> referenceList9498;
	protected Map<String, ReferenceDto> referenceListResources4435;
	protected Map<String, ReferenceDto> referenceList9480;
	protected Map<String, SubstanceDto> referenceListSubstances9147;
	protected Map<String, ComponentDto> referenceListComponents5193;
	protected Map<String, ResourceDto> referenceListResources4860;

	/**
	 * Creates a new instance of PdfConverterReport.
	 */
	public static PdfConverterReport of(ReportDto reportDto,
			ITeamService teamService, IReferenceListService referenceListService)
			throws DocumentException, IOException {
		switch (reportDto.getType()) {
			case TYPE_A:
				return new PdfConverterTypeA(teamService, referenceListService);
			case TYPE_B:
				return new PdfConverterTypeB(teamService, referenceListService);
			case TYPE_C:
				return new PdfConverterTypeC(teamService, referenceListService);
			default:
				throw new ResponseStatusException(HttpStatus.UNPROCESSABLE_ENTITY,
					"Unknown type: " + reportDto.getType());
		}
	}

	protected PdfConverterReport(ITeamService teamService,
			IReferenceListService referenceListService) throws DocumentException, IOException {
		super();
		this.teamService = teamService;
		this.referenceListService = referenceListService;
	}

	@Override
	public ResponseEntity<byte[]> convert(ReportParameter param) throws IOException {
		return this.convert(param.submitDto(), param.headers(), param.isNotReadOnly());
	}

	ResponseEntity<byte[]> convert(ReportDataDto submitDto, HttpHeaders headers, boolean isNotReadOnly)
			throws IOException {

		PdfWriter writer = null;
		try {
			loadReferenceLists(submitDto.getReportDto().getReportRoot().getYear(), isNotReadOnly);

			writer = PdfWriter.getInstance(document, baos);
			generateTitlePage(submitDto.getReportDto(), writer);

			generateStatusPage(submitDto.getReportDto());

			generateMasterDataPage(submitDto.getReportDto(), submitDto.getContactPersonList());

			generateEntityDataPage(submitDto.getReportDto(), submitDto.getCapacityDtoList(),
				submitDto.getSubUnitDtoList(), submitDto.getClassificationDtoList(),
				submitDto.getLineDtoList());

			generateResourcesPage(submitDto.getResourceInputDtoList(), submitDto.getResourceComponentDtoList(),
				submitDto.getReportDto(), submitDto.getResourceDesignationDtoList());

			generateDataPage(submitDto);

			generateValidationPage(submitDto.getReportDto(), submitDto.getExternalContributorDtoList());

			generateAttachmentsPage(submitDto.getDocumentDtoList());

			generateConclusionPage(submitDto.getReportDto());
		} finally {
			document.close();
			if (writer != null) {
				writer.close();
			}
		}

		return new ResponseEntity<>(baos.toByteArray(), headers, HttpStatus.OK);
	}

	protected abstract void generateDataPage(ReportDataDto submitDto);

	// Rest of the class follows similar pattern with generic naming...
	// [Additional methods would continue with similar transformations]

	private void loadReferenceLists(String year, boolean isNotReadOnly) {
		this.referenceList9498 = referenceListService.getEntityTypes9498(year);
		this.referenceListResources4435 = referenceListService.getReferenceListResourceComponents4435(year, isNotReadOnly);
		this.referenceList9480 = referenceListService.getReferenceListSystems9480(year, isNotReadOnly);
		// Additional reference list loading...
	}

	@Override
	protected Paragraph getPdfTitle(ReportDto reportDto) {
		return new Paragraph("Report for the year " + reportDto.getReportRoot().getYear(), fontBold22);
	}
}