package eu.eudat.controllers;

import eu.eudat.exceptions.security.UnauthorisedException;
import eu.eudat.managers.ResearcherManager;
import eu.eudat.models.dmp.Researcher;
import eu.eudat.models.external.ResearchersExternalSourcesModel;
import eu.eudat.models.helpers.responses.ResponseItem;
import eu.eudat.models.security.Principal;
import eu.eudat.proxy.config.exceptions.HugeResultSet;
import eu.eudat.proxy.config.exceptions.NoURLFound;
import eu.eudat.services.ApiContext;
import eu.eudat.types.ApiMessageCode;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

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


@RestController
@CrossOrigin
@RequestMapping(value = {"/api"})

public class Researchers extends BaseController {

    @Autowired
    public Researchers(ApiContext apiContext) {
        super(apiContext);
    }

    @RequestMapping(method = RequestMethod.GET, value = {"/external/researchers"}, produces = "application/json")
    public @ResponseBody
    ResponseEntity<ResponseItem<ResearchersExternalSourcesModel>> listExternalResearchers(@RequestParam(value = "query", required = false) String query) {
        try {
            List<Map<String, String>> remoteRepos = this.getApiContext().getOperationsContext().getRemoteFetcher().getResearchers(query);
            ResearchersExternalSourcesModel researchersExternalSourcesModel = new ResearchersExternalSourcesModel().fromExternalItem(remoteRepos);
            return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<ResearchersExternalSourcesModel>().payload(researchersExternalSourcesModel).status(ApiMessageCode.NO_MESSAGE));
        } catch (NoURLFound ex) {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new ResponseItem<ResearchersExternalSourcesModel>().status(ApiMessageCode.ERROR_MESSAGE).message("External Url Not Found"));
        } catch (HugeResultSet ex) {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new ResponseItem<ResearchersExternalSourcesModel>().status(ApiMessageCode.ERROR_MESSAGE).message("Huge Result Set"));
        } catch (Exception ex) {
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new ResponseItem<ResearchersExternalSourcesModel>().status(ApiMessageCode.ERROR_MESSAGE).message(ex.getMessage()));
        }
    }

    @Transactional
    @RequestMapping(method = RequestMethod.POST, value = {"/researchers/create"}, consumes = "application/json", produces = "application/json")
    public @ResponseBody
    ResponseEntity<ResponseItem<Researcher>> create(@RequestBody eu.eudat.models.researcher.Researcher researcher, Principal principal) {
        try {
            ResearcherManager.create(this.getApiContext(), researcher);
            return ResponseEntity.status(HttpStatus.OK).body(new ResponseItem<Researcher>().status(ApiMessageCode.SUCCESS_MESSAGE));
        } catch (UnauthorisedException e) {
            e.printStackTrace();
            throw e;
        } catch (Exception e) {
            e.printStackTrace();
            return ResponseEntity.status(HttpStatus.BAD_REQUEST).body(new ResponseItem<Researcher>().status(ApiMessageCode.SUCCESS_MESSAGE).message(e.getMessage()));
        }
    }

}