package gr.cite.annotation.web.controllers;

import com.fasterxml.jackson.core.JsonProcessingException;
import gr.cite.annotation.audit.AuditableAction;
import gr.cite.annotation.authorization.AuthorizationFlags;
import gr.cite.annotation.data.AnnotationEntity;
import gr.cite.annotation.model.Annotation;
import gr.cite.annotation.model.builder.AnnotationBuilder;
import gr.cite.annotation.model.censorship.AnnotationCensor;
import gr.cite.annotation.model.persist.AnnotationPersist;
import gr.cite.annotation.query.AnnotationQuery;
import gr.cite.annotation.query.lookup.AnnotationLookup;
import gr.cite.annotation.service.annotation.AnnotationService;
import gr.cite.annotation.web.model.QueryResult;
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 gr.cite.tools.validation.ValidationFilterAnnotation;
import jakarta.transaction.Transactional;
import jakarta.xml.bind.JAXBException;
import org.slf4j.LoggerFactory;
import org.springframework.context.MessageSource;
import org.springframework.context.i18n.LocaleContextHolder;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.*;

import javax.management.InvalidApplicationException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.transform.TransformerException;
import java.util.AbstractMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

@RestController
@RequestMapping(path = "api/annotation", produces = MediaType.APPLICATION_JSON_VALUE)
public class AnnotationController {

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

    private final CensorFactory censorFactory;

    private final QueryFactory queryFactory;

    private final BuilderFactory builderFactory;

    private final AuditService auditService;

    private final MessageSource messageSource;

    private final AnnotationService annotationService;

    public AnnotationController(CensorFactory censorFactory, QueryFactory queryFactory, BuilderFactory builderFactory, AuditService auditService, MessageSource messageSource, AnnotationService annotationService) {
        this.censorFactory = censorFactory;
        this.queryFactory = queryFactory;
        this.builderFactory = builderFactory;
        this.auditService = auditService;
        this.messageSource = messageSource;
        this.annotationService = annotationService;
    }

    @PostMapping("query")
    public QueryResult<Annotation> query(@RequestBody AnnotationLookup lookup) {
        logger.debug("querying {}", Annotation.class.getSimpleName());

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

        AnnotationQuery query = lookup.enrich(this.queryFactory).authorize(AuthorizationFlags.OwnerOrPermissionAssociated);
        List<AnnotationEntity> data = query.collect();
        List<Annotation> models = this.builderFactory.builder(AnnotationBuilder.class).authorize(AuthorizationFlags.OwnerOrPermissionAssociated).build(lookup.getProject(), data);
        long count = (lookup.getMetadata() != null && lookup.getMetadata().getCountAll()) ? query.count() : models.size();

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

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

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

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

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

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

        return model;
    }

    @PostMapping("persist")
    @Transactional
    @ValidationFilterAnnotation(validator = AnnotationPersist.AnnotationPersistValidator.ValidatorName, argumentName = "model")
    public Annotation persist(@RequestBody AnnotationPersist model, FieldSet fieldSet) throws MyApplicationException, MyForbiddenException, MyNotFoundException, InvalidApplicationException, JAXBException, ParserConfigurationException, JsonProcessingException, TransformerException {
        logger.debug(new MapLogEntry("persisting" + Annotation.class.getSimpleName()).And("model", model).And("fieldSet", fieldSet));

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

        Annotation persisted = this.annotationService.persist(model, fieldSet);

        this.auditService.track(AuditableAction.Annotation_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" + Annotation.class.getSimpleName()).And("id", id));

        this.annotationService.deleteAndSave(id);

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

}