/*
 * 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.syncope.common.rest.api.service;

import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.enums.ParameterIn;
import io.swagger.v3.oas.annotations.headers.Header;
import io.swagger.v3.oas.annotations.media.Schema;
import io.swagger.v3.oas.annotations.responses.ApiResponse;
import io.swagger.v3.oas.annotations.responses.ApiResponses;
import io.swagger.v3.oas.annotations.security.SecurityRequirement;
import io.swagger.v3.oas.annotations.security.SecurityRequirements;
import io.swagger.v3.oas.annotations.tags.Tag;
import java.util.List;
import javax.validation.constraints.NotNull;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.apache.syncope.common.lib.to.DelegationTO;
import org.apache.syncope.common.rest.api.RESTHeaders;

/**
 * REST operations for delegations.
 */
@Tag(name = "Delegations")
@SecurityRequirements({
    @SecurityRequirement(name = "BasicAuthentication"),
    @SecurityRequirement(name = "Bearer") })
@Path("delegations")
public interface DelegationService extends JAXRSService {

    /**
     * Returns a list of all delegations.
     *
     * @return list of all delegations.
     */
    @GET
    @Produces({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    List<DelegationTO> list();

    /**
     * Returns delegation with matching key.
     *
     * @param key delegation key to be read
     * @return delegation with matching key
     */
    @GET
    @Path("{key}")
    @Produces({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    DelegationTO read(@NotNull @PathParam("key") String key);

    /**
     * Creates a new delegation.
     *
     * @param delegationTO delegation to be created
     * @return Response object featuring Location header of created delegation
     */
    @ApiResponses(
            @ApiResponse(responseCode = "201",
                    description = "Delegation successfully created", headers = {
                @Header(name = RESTHeaders.RESOURCE_KEY, schema =
                        @Schema(type = "string"),
                        description = "Key value for the entity created"),
                @Header(name = HttpHeaders.LOCATION, schema =
                        @Schema(type = "string"),
                        description = "URL of the entity created") }))
    @POST
    @Consumes({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    @Produces({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    Response create(@NotNull DelegationTO delegationTO);

    /**
     * Updates the delegation matching the provided key.
     *
     * @param delegationTO delegation to be stored
     */
    @Parameter(name = "key", description = "Delegation's key", in = ParameterIn.PATH, schema =
            @Schema(type = "string"))
    @ApiResponses(
            @ApiResponse(responseCode = "204", description = "Operation was successful"))
    @PUT
    @Path("{key}")
    @Consumes({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    @Produces({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    void update(@NotNull DelegationTO delegationTO);

    /**
     * Deletes the delegation matching the provided key.
     *
     * @param key delegation key to be deleted
     */
    @ApiResponses(
            @ApiResponse(responseCode = "204", description = "Operation was successful"))
    @DELETE
    @Path("{key}")
    @Produces({ MediaType.APPLICATION_JSON, RESTHeaders.APPLICATION_YAML, MediaType.APPLICATION_XML })
    void delete(@NotNull @PathParam("key") String key);
}
