package eu.eudat.controllers;

import eu.eudat.audit.AuditableAction;
import eu.eudat.model.file.ExportRequestModel;
import eu.eudat.model.file.FileEnvelope;
import eu.eudat.model.file.RepositoryFileFormat;
import eu.eudat.service.transformer.FileTransformerService;
import gr.cite.tools.auditing.AuditService;
import gr.cite.tools.logging.LoggerService;
import gr.cite.tools.logging.MapLogEntry;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import javax.management.InvalidApplicationException;
import java.io.IOException;
import java.util.List;

@RestController
@CrossOrigin
@RequestMapping(value = {"/api/file-transformer/"})
public class FileTransformerController {
    private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(FileTransformerController.class));


    private final FileTransformerService fileTransformerService;
    private final AuditService auditService;

    @Autowired
    public FileTransformerController(FileTransformerService fileTransformerService, AuditService auditService){
        this.fileTransformerService = fileTransformerService;
	    this.auditService = auditService;
    }

    @GetMapping("/available")
    public List<RepositoryFileFormat> getAvailableConfigurations() {
        logger.debug(new MapLogEntry("getAvailableConfigurations"));

        List<RepositoryFileFormat> model = this.fileTransformerService.getAvailableExportFileFormats();
        this.auditService.track(AuditableAction.FileTransformer_GetAvailableConfigurations);
        //this.auditService.trackIdentity(AuditableAction.IdentityTracking_Action);

        return model;
    }

    @PostMapping("/export-dmp")
    public ResponseEntity<byte[]> export(@RequestBody ExportRequestModel requestModel) throws InvalidApplicationException, IOException {
        logger.debug(new MapLogEntry("exporting dmp"));
        HttpHeaders headers = new HttpHeaders();

        FileEnvelope fileEnvelope = this.fileTransformerService.exportDmp(requestModel.getId(), requestModel.getRepositoryId(), requestModel.getFormat());
        headers.add("Content-Disposition", "attachment;filename=" + fileEnvelope.getFilename());
        byte[] data = fileEnvelope.getFile();
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        return new ResponseEntity<>(data, headers, HttpStatus.OK);
    }

    @PostMapping("/export-description")
    public ResponseEntity<byte[]> exportDescription(@RequestBody ExportRequestModel requestModel) {
        logger.debug(new MapLogEntry("exporting dmp"));
        HttpHeaders headers = new HttpHeaders();

        FileEnvelope fileEnvelope = this.fileTransformerService.exportDescription(requestModel.getId(), requestModel.getRepositoryId(), requestModel.getFormat());
        headers.add("Content-Disposition", "attachment;filename=" + fileEnvelope.getFilename());
        byte[] data = fileEnvelope.getFile();
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM);
        return new ResponseEntity<>(data, headers, HttpStatus.OK);
    }
}