package eu.eudat.controllers;

import java.util.List;
import java.util.Map;
import java.util.UUID;

import javax.transaction.Transactional;

import eu.eudat.entities.DataRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.CrossOrigin;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import eu.eudat.dao.entities.DMPDao;
import eu.eudat.dao.entities.DMPProfileDao;
import eu.eudat.dao.entities.DataRepositoryDao;
import eu.eudat.dao.entities.DatasetDao;
import eu.eudat.dao.entities.DatasetProfileDao;
import eu.eudat.dao.entities.DatasetProfileRulesetDao;
import eu.eudat.dao.entities.DatasetProfileViewstyleDao;
import eu.eudat.dao.entities.OrganisationDao;
import eu.eudat.dao.entities.ProjectDao;
import eu.eudat.dao.entities.RegistryDao;
import eu.eudat.dao.entities.ResearcherDao;
import eu.eudat.dao.entities.ServiceDao;
import eu.eudat.proxy.config.exceptions.HugeResultSet;
import eu.eudat.proxy.config.exceptions.NoURLFound;
import eu.eudat.proxy.fetching.RemoteFetcher;


@RestController
@CrossOrigin
public class DataRepositories  {
	
	@Autowired private DataRepositoryDao dataRepositoryDao;
	@Autowired private DatasetDao datasetDao;
	@Autowired private DatasetProfileDao datasetProfileDao;
	@Autowired private DatasetProfileRulesetDao datasetProfileRulesetDao;
	@Autowired private DatasetProfileViewstyleDao datasetProfileViewstyleDao;
	@Autowired private DMPDao dMPDao;
	@Autowired private DMPProfileDao dMPProfileDao;
	@Autowired private OrganisationDao organisationDao;
	@Autowired private ProjectDao projectDao;
	@Autowired private RegistryDao registryDao;
	@Autowired private ResearcherDao researcherDao;
	@Autowired private ServiceDao serviceDao;
	
	@Autowired private RemoteFetcher remoteFetcher;
	
	
	
	@RequestMapping(method = RequestMethod.GET, value = { "/external/datarepos" }, produces="application/json")
	public @ResponseBody ResponseEntity<List<Map<String,String>>> listExternalDataRepositories(@RequestParam(value="query", required=false) String query ){
		try {
			List<Map<String,String>> remoteRepos = remoteFetcher.getRepositories(query);
			return ResponseEntity.status(HttpStatus.OK).body(remoteRepos);
		}
		catch(NoURLFound ex) {
			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(null);
		}
		catch(HugeResultSet ex) {
			return ResponseEntity.status(HttpStatus.UNPROCESSABLE_ENTITY).body(null); //the ex.getMessage has the appropriate text description
		}
	}
	
	
	
	
	// MANAGE DATAREPOSITORy(IES)

//	@RequestMapping(method = RequestMethod.GET, value = { "/datarepos" })
//	public @ResponseBody ResponseEntity<List<UUID>> listDataRepositories(){
//		try {
//			List<UUID> allIDs = dataRepositoryDao.listAllIDs();
//			return ResponseEntity.status(HttpStatus.OK).body(allIDs);
//		}
//		catch(Exception ex) {
//			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(null);
//		}
//	}
//
//
//	@RequestMapping(method = RequestMethod.GET, value = { "/datarepos/{id}" })
//	public @ResponseBody ResponseEntity<DataRepository> getDataRepository(@PathVariable("id") String id) {
//		try {
//			DataRepository dataRepository = dataRepositoryDao.read(UUID.fromString(id));
//			return ResponseEntity.status(HttpStatus.OK).body(dataRepository);
//		}
//		catch(Exception ex) {
//			return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(null);
//		}
//	}
//
//
//
//	@RequestMapping(method = RequestMethod.GET, value = { "/datarepo/getAll" }, produces="application/json")
//	public @ResponseBody ResponseEntity<List<DataRepository>> getAllDataRepositories(){
//
//		try {
//			List<DataRepository> allDataRepositories = dataRepositoryDao.getAll();
//
//			return ResponseEntity.status(HttpStatus.OK).body(allDataRepositories);
//
//		}
//		catch(Exception ex) {
//			ex.printStackTrace();
//			return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(null);
//		}
//
//	}
//
//
//	@Transactional
//	@RequestMapping(method = RequestMethod.POST, value = { "/datarepo/create" }, consumes = "application/json", produces="application/json")
//	public @ResponseBody ResponseEntity<DataRepository> setOrganisation(@RequestBody DataRepository dataRepository) {
//		try {
//			DataRepository createdDataRepository = dataRepositoryDao.update(dataRepository);
//			return ResponseEntity.status(HttpStatus.CREATED).body(createdDataRepository);
//		} catch (Exception e) {
//			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(null);
//		}
//	}
//
//
//	@RequestMapping(method = RequestMethod.POST, value = { "/datarepo/delete" }, consumes = "application/json", produces="text/plain")
//	public @ResponseBody ResponseEntity<Object> delete(@RequestBody DataRepository dataRepository) {
//
//		DataRepository dr = new DataRepository();
//		dr.setId(dataRepository.getId());
//		try {
//			dataRepositoryDao.delete(dr);
//			return ResponseEntity.status(HttpStatus.CREATED).body("{\"msg\":\"Deleted data repository!\"}");
//		} catch (Exception e) {
//			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("{\"msg\":\"Could not delete data repository!\"}");
//		}
//
//	}
	
	
}