package eu.eudat.controllers;

import eu.eudat.audit.AuditableAction;
import eu.eudat.authorization.AuthorizationFlags;
import gr.cite.tools.validation.ValidationFilterAnnotation;
import eu.eudat.data.EntityDoiEntity;
import eu.eudat.model.DescriptionTemplateType;
import eu.eudat.model.EntityDoi;
import eu.eudat.model.builder.EntityDoiBuilder;
import eu.eudat.model.censorship.EntityDoiCensor;
import eu.eudat.model.persist.EntityDoiPersist;
import eu.eudat.model.result.QueryResult;
import eu.eudat.query.EntityDoiQuery;
import eu.eudat.query.lookup.EntityDoiLookup;
import eu.eudat.service.deposit.DepositService;
import eu.eudat.service.entitydoi.EntityDoiService;
import gr.cite.tools.auditing.AuditService;
import gr.cite.tools.data.builder.BuilderFactory;
import gr.cite.tools.data.censor.CensorFactory;
import gr.cite.tools.data.query.QueryFactory;
import gr.cite.tools.exception.MyApplicationException;
import gr.cite.tools.exception.MyForbiddenException;
import gr.cite.tools.exception.MyNotFoundException;
import gr.cite.tools.fieldset.FieldSet;
import gr.cite.tools.logging.LoggerService;
import gr.cite.tools.logging.MapLogEntry;
import org.slf4j.LoggerFactory;
import org.springframework.context.MessageSource;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.bind.annotation.*;

import javax.management.InvalidApplicationException;
import java.util.*;

@RestController
@RequestMapping(path = "api/entity-doi")
public class EntityDoiController {

    private static final LoggerService logger = new LoggerService(LoggerFactory.getLogger(DescriptionTemplateTypeController.class));

    private final BuilderFactory builderFactory;

    private final AuditService auditService;

    private final EntityDoiService entityDoiService;

    private final CensorFactory censorFactory;

    private final QueryFactory queryFactory;

    private final MessageSource messageSource;

    public EntityDoiController(
            BuilderFactory builderFactory,
            AuditService auditService,
            EntityDoiService entityDoiService, CensorFactory censorFactory,
            QueryFactory queryFactory,
            MessageSource messageSource) {
        this.builderFactory = builderFactory;
        this.auditService = auditService;
        this.entityDoiService = entityDoiService;
        this.censorFactory = censorFactory;
        this.queryFactory = queryFactory;
        this.messageSource = messageSource;
    }

    @PostMapping("query")
    public QueryResult<EntityDoi> Query(@RequestBody EntityDoiLookup lookup) throws MyApplicationException, MyForbiddenException {
        logger.debug("querying {}", EntityDoi.class.getSimpleName());

        this.censorFactory.censor(EntityDoiCensor.class).censor(lookup.getProject(), null);

        EntityDoiQuery query = lookup.enrich(this.queryFactory).authorize(AuthorizationFlags.OwnerOrDmpAssociatedOrPermission);

        List<EntityDoiEntity> data = query.collectAs(lookup.getProject());
        List<EntityDoi> models = this.builderFactory.builder(EntityDoiBuilder.class).authorize(AuthorizationFlags.OwnerOrDmpAssociatedOrPermission).build(lookup.getProject(), data);
        long count = (lookup.getMetadata() != null && lookup.getMetadata().getCountAll()) ? query.count() : models.size();

        this.auditService.track(AuditableAction.EntityDoi_Query, "lookup", lookup);

        return new QueryResult<>(models, count);
    }

    @GetMapping("{id}")
    public EntityDoi Get(@PathVariable("id") UUID id, FieldSet fieldSet, Locale locale) throws MyApplicationException, MyForbiddenException, MyNotFoundException {
        logger.debug(new MapLogEntry("retrieving" + EntityDoi.class.getSimpleName()).And("id", id).And("fields", fieldSet));

        this.censorFactory.censor(EntityDoiCensor.class).censor(fieldSet, null);

        EntityDoiQuery query = this.queryFactory.query(EntityDoiQuery.class).authorize(AuthorizationFlags.OwnerOrDmpAssociatedOrPermission).ids(id);
        EntityDoi model = this.builderFactory.builder(EntityDoiBuilder.class).authorize(AuthorizationFlags.OwnerOrDmpAssociatedOrPermission).build(fieldSet, query.firstAs(fieldSet));
        if (model == null)
            throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{id, EntityDoi.class.getSimpleName()}, LocaleContextHolder.getLocale()));

        this.auditService.track(AuditableAction.EntityDoi_Lookup, Map.ofEntries(
                new AbstractMap.SimpleEntry<String, Object>("id", id),
                new AbstractMap.SimpleEntry<String, Object>("fields", fieldSet)
        ));

        return model;
    }

    @PostMapping("persist")
    @Transactional
    @ValidationFilterAnnotation(validator = EntityDoiPersist.EntityDoiPersistValidator.ValidatorName, argumentName = "model")
    public EntityDoi Persist(@RequestBody EntityDoiPersist model, FieldSet fieldSet) throws MyApplicationException, MyForbiddenException, MyNotFoundException, InvalidApplicationException {
        logger.debug(new MapLogEntry("persisting" + DescriptionTemplateType.class.getSimpleName()).And("model", model).And("fieldSet", fieldSet));
        EntityDoi persisted = this.entityDoiService.persist(model, fieldSet);

        this.auditService.track(AuditableAction.EntityDoi_Persist, Map.ofEntries(
                new AbstractMap.SimpleEntry<String, Object>("model", model),
                new AbstractMap.SimpleEntry<String, Object>("fields", fieldSet)
        ));

        return persisted;
    }

    @DeleteMapping("{id}")
    @Transactional
    public void Delete(@PathVariable("id") UUID id) throws MyForbiddenException, InvalidApplicationException {
        logger.debug(new MapLogEntry("retrieving" + EntityDoi.class.getSimpleName()).And("id", id));

        this.entityDoiService.deleteAndSave(id);

        this.auditService.track(AuditableAction.EntityDoi_Delete, "id", id);
    }

}