/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package org.apache.streampipes.rest.impl;


import org.apache.streampipes.model.labeling.Category;
import org.apache.streampipes.rest.shared.annotation.JacksonSerialized;
import org.apache.streampipes.storage.management.StorageDispatcher;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import java.util.HashMap;
import java.util.Map;

@Path("/v2/users/{username}/labeling/category")
public class CategoryResource extends AbstractRestResource {


    @GET
    @Produces(MediaType.APPLICATION_JSON)
    @JacksonSerialized
    public Response getAll() {
        return ok(StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI()
                .getAllCategories()
        );
    }

    @POST
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    @JacksonSerialized
    public Response add(Category category) {
        String categoryId = StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI()
                .storeCategory(category);

        return ok(StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI().getCategory(categoryId));
    }

    @GET
    @Path("/{categoryId}")
    @Produces(MediaType.APPLICATION_JSON)
    @JacksonSerialized
    public Response getCategory(@PathParam("categoryId") String categoryId) {
        return ok(StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI()
                .getCategory(categoryId));
    }

    @PUT
    @Path("/{categoryId}")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    @JacksonSerialized
    public Response update(@PathParam("categoryId") String categoryId, Category category) {
        if (!categoryId.equals(category.getId())) {
            String resString = "CategoryId not the same as in message body";
            Map<String, Object> errorDetails = new HashMap<>();
            errorDetails.put("message", resString);
            return badRequest(errorDetails);
        }
        StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI()
                .updateCategory(category);

        return ok(StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI().getCategory(categoryId));
    }

    @DELETE
    @Path("/{categoryId}")
    @Produces(MediaType.APPLICATION_JSON)
    @JacksonSerialized
    public Response delete(@PathParam("categoryId") String key) {
        StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getCategoryStorageAPI()
                .deleteCategory(key);
        StorageDispatcher.INSTANCE
                .getNoSqlStore()
                .getLabelStorageAPI()
                .deleteAllForCategory(key);
        return ok();
    }
}
