package eu.eudat.managers;

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

import eu.eudat.dao.entities.ProjectDao;
import eu.eudat.dao.entities.UserInfoDao;
import eu.eudat.models.criteria.ProjectCriteria;
import eu.eudat.models.external.ExternalListingItem;
import eu.eudat.models.external.ExternalSourcesItemModel;
import eu.eudat.models.external.ProjectsExternalSourcesModel;
import eu.eudat.models.helpers.DataTableData;
import eu.eudat.models.project.Project;
import eu.eudat.models.project.ProjectCriteriaRequest;
import eu.eudat.models.project.ProjectTableRequest;
import eu.eudat.models.security.Principal;
import eu.eudat.proxy.config.exceptions.HugeResultSet;
import eu.eudat.proxy.config.exceptions.NoURLFound;
import eu.eudat.proxy.fetching.RemoteFetcher;
import eu.eudat.queryable.QueryableList;
import eu.eudat.utilities.builders.DomainModelConverter;

public class ProjectManager {

    public DataTableData<eu.eudat.models.project.Project> getPaged(ProjectDao projectRepository, ProjectTableRequest projectTableRequest) throws IllegalAccessException, InstantiationException {
        QueryableList<eu.eudat.entities.Project> items = projectRepository.getWithCriteria(projectTableRequest.getCriteria());
        QueryableList<eu.eudat.entities.Project> pagedItems = PaginationManager.applyPaging(items, projectTableRequest);
        List<eu.eudat.models.project.Project> projects = new DomainModelConverter<eu.eudat.entities.Project, Project>().fromDataModel(pagedItems.toList(), eu.eudat.models.project.Project.class);
        DataTableData<eu.eudat.models.project.Project> dataTable = new DataTableData<eu.eudat.models.project.Project>();
        dataTable.setData(projects);
        dataTable.setTotalCount(items.count());
        return dataTable;
    }

    public eu.eudat.models.project.Project getSingle(ProjectDao projectRepository, String id) throws InstantiationException, IllegalAccessException {
        eu.eudat.models.project.Project project = new eu.eudat.models.project.Project();
        project.fromDataModel(projectRepository.find(UUID.fromString(id)));
        return project;
    }

    public eu.eudat.entities.Project inactivate(ProjectDao projectRepository, String id) throws InstantiationException, IllegalAccessException {
        eu.eudat.entities.Project project = projectRepository.find(UUID.fromString(id));
        project.setStatus(Project.Status.DELETED.getValue());
        project = projectRepository.createOrUpdate(project);
        return project;
    }

    public List<eu.eudat.models.project.Project> getCriteriaWithExternal(ProjectDao projectRepository, ProjectCriteriaRequest projectCriteria, RemoteFetcher remoteFetcher) throws IllegalAccessException, InstantiationException, HugeResultSet, NoURLFound {
        QueryableList<eu.eudat.entities.Project> items = projectRepository.getWithCriteria(projectCriteria.getCriteria());
        List<eu.eudat.models.project.Project> projects = new DomainModelConverter<eu.eudat.entities.Project, Project>().fromDataModel(items.toList(), eu.eudat.models.project.Project.class);
        List<Map<String, String>> remoteRepos = remoteFetcher.getProjects(projectCriteria.getCriteria().getLike());
        ProjectsExternalSourcesModel projectsExternalSourcesModel = new ProjectsExternalSourcesModel().fromExternalItem(remoteRepos);
        for (ExternalSourcesItemModel externalListingItem : projectsExternalSourcesModel) {
            eu.eudat.models.project.Project project = new eu.eudat.models.project.Project();
            project.setReference(externalListingItem.getRemoteId());
            project.setLabel(externalListingItem.getName());
            project.setDescription(externalListingItem.getDescription());
            project.setUri(externalListingItem.getUri());
            project.setAbbreviation(externalListingItem.getAbbreviation());
            project.setStatus((short) 0);
            projects.add(project);
        }
        return projects;
    }

    public List<eu.eudat.models.project.Project> getCriteria(ProjectDao projectRepository, ProjectCriteriaRequest projectCriteria, RemoteFetcher remoteFetcher) throws IllegalAccessException, InstantiationException, HugeResultSet, NoURLFound {
        QueryableList<eu.eudat.entities.Project> items = projectRepository.getWithCriteria(projectCriteria.getCriteria());
        List<eu.eudat.models.project.Project> projects = new DomainModelConverter<eu.eudat.entities.Project, Project>().fromDataModel(items.toList(), eu.eudat.models.project.Project.class);
        return projects;
    }

    public static void createOrUpdate(ProjectDao projectRepository, UserInfoDao userInfoRepository, eu.eudat.models.project.Project project, Principal principal) {
        eu.eudat.entities.Project projectEntity = project.toDataModel();
        projectEntity.setCreationUser(userInfoRepository.find(principal.getId()));
        projectRepository.createOrUpdate(projectEntity);
    }
}