package rest;

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

import org.apache.commons.lang3.SerializationUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.util.MultiValueMap;
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 com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;

import dao.entities.DMPDao;
import dao.entities.DMPProfileDao;
import dao.entities.DataRepositoryDao;
import dao.entities.DatasetDao;
import dao.entities.DatasetProfileDao;
import dao.entities.DatasetProfileRulesetDao;
import dao.entities.DatasetProfileViewstyleDao;
import dao.entities.OrganisationDao;
import dao.entities.ProjectDao;
import dao.entities.RegistryDao;
import dao.entities.ResearcherDao;
import dao.entities.ServiceDao;
import entities.DMP;
import entities.DMPProfile;
import entities.DataRepository;
import entities.Dataset;
import entities.DatasetProfile;
import entities.DatasetProfileRuleset;
import entities.Organisation;
import entities.Project;
import entities.Registry;
import entities.Researcher;
import entities.Service;
import entities.responses.IDLabelPair;
import helpers.Transformers;
import responses.RestResponse;


@RestController
@CrossOrigin
public class Projects  {
	
	@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;
	


	// MANAGE PROJECT(S)
	
	@RequestMapping(method = RequestMethod.GET, value = { "/projects" })
	public @ResponseBody ResponseEntity<Object> listProjects(){
		try {
			List<UUID> allIDs = projectDao.listAllIDs();
			return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allIDs));
		}
		catch(Exception ex) {
			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
		}
	}
	
	@RequestMapping(method = RequestMethod.GET, value = { "/projects/{id}" })
	public @ResponseBody ResponseEntity<Object> getProject(@PathVariable("id") String id) {
		try {
			Project project = projectDao.read(UUID.fromString(id));
			return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(project));
		}
		catch(Exception ex) {
			return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Erroneous input: "+ex.getMessage());
		}
	}
	
	
	@RequestMapping(method = RequestMethod.GET, value = { "/project/listAllLabelIDs" })
	public @ResponseBody ResponseEntity<Object> listLabelIds(){
		try {
			List<IDLabelPair> allIDs = projectDao.listAllIDsLabels();
			return ResponseEntity.status(HttpStatus.OK).body(new ObjectMapper().writeValueAsString(allIDs));
		}
		catch(Exception ex) {
			return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body("Serialization issue: "+ex.getMessage());
		}
	}
	
	
	@RequestMapping(method = RequestMethod.POST, value = { "/project/set" }, consumes = "application/json")
	public @ResponseBody ResponseEntity<Object> setProject(@RequestBody Project project) {
		String reason = "";
		Project storedProject = null;
		//try first to create
		try {
			storedProject = projectDao.create(project);
			return ResponseEntity.status(HttpStatus.CREATED).body("Created project with id: " + storedProject.getId());
		}
		catch(Exception e) {
			reason += e.getMessage();
			//try updating
			try {
				storedProject = projectDao.update(project);
				return ResponseEntity.status(HttpStatus.CREATED).body("Updated project with id: " + storedProject.getId());
			}
			catch(Exception ex) {
				reason += (System.lineSeparator()+e.getMessage());
				return ResponseEntity.status(HttpStatus.BAD_REQUEST).body("Could not create or update project! Reason: " + reason);
			}
		}
	}
	

	
}