/**
 * 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 demo.jaxrs.swagger.server;

import java.util.Collections;
import java.util.Map;
import java.util.TreeMap;

import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.FormParam;
import javax.ws.rs.GET;
import javax.ws.rs.HeaderParam;
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.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiImplicitParam;
import io.swagger.annotations.ApiImplicitParams;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import io.swagger.annotations.Contact;
import io.swagger.annotations.Info;
import io.swagger.annotations.SwaggerDefinition;

@Path("/sample")
@Api(value = "/sample")
@SwaggerDefinition(
    info = @Info(
        description = "Sample JAX-RS service with Swagger documentation",
        version="1.0.0",
        title = "Sample REST Application",
        contact = @Contact(
            name = "Apache CXF",
            email = "users@cxf.apache.org"
        )
    )
)
public class Sample {
    private Map<String, Item> items;

    public Sample() {
        items = Collections.synchronizedMap(new TreeMap<String, Item>(String.CASE_INSENSITIVE_ORDER));
        items.put("Item 1", new Item("Item 1", "Value 1"));
        items.put("Item 2", new Item("Item 2", "Value 2"));
    }


    @Produces({ MediaType.APPLICATION_JSON })
    @GET
    @ApiOperation(
        value = "Get operation with Response and @Default value",
        notes = "Get operation with Response and @Default value",
        response = Item.class,
        responseContainer = "List"
    )
    public Response getItems(
        @ApiParam(value = "Page to fetch", required = true) @QueryParam("page") @DefaultValue("1") int page) {

        return Response.ok(items.values()).build();
    }

    @Produces({ MediaType.APPLICATION_JSON })
    @Path("/{name}")
    @GET
    @ApiOperation(
        value = "Get operation with type and headers",
        notes = "Get operation with type and headers",
        response = Item.class
    )
    public Item getItem(
        @ApiParam(value = "language", required = true) @HeaderParam("Accept-Language") final String language,
        @ApiParam(value = "name", required = true) @PathParam("name") String name) {
        return items.get(name);
    }

    @Consumes({ MediaType.APPLICATION_JSON })
    @POST
    @ApiOperation(
        value = "Post operation with entity in a body",
        notes = "Post operation with entity in a body",
        response = Item.class
    )
    public Response createItem(
        @Context final UriInfo uriInfo,
        @ApiParam(value = "item", required = true) final Item item) {
        items.put(item.getName(), item);
        return Response
            .created(uriInfo.getBaseUriBuilder().path(item.getName()).build())
            .entity(item).build();
    }

    @Produces({ MediaType.APPLICATION_JSON })
    @Path("/{name}")
    @PUT
    @ApiOperation(
        value = "Put operation with form parameter",
        notes = "Put operation with form parameter",
        response = Item.class
    )
    public Item updateItem(
        @ApiParam(value = "name", required = true) @PathParam("name") String name,
        @ApiParam(value = "value", required = true) @FormParam("value") String value) {
        Item item = new Item(name, value);
        items.put(name,  item);
        return item;
    }

    @Path("/{name}")
    @DELETE
    @ApiOperation(
        value = "Delete operation with implicit header",
        notes = "Delete operation with implicit header"
    )
    @ApiImplicitParams(
       @ApiImplicitParam(
           name = "Accept-Language",
           value = "language",
           required = true,
           dataType = "String",
           paramType = "header"
       )
    )
    public Response delete(@ApiParam(value = "name", required = true) @PathParam("name") String name) {
        items.remove(name);
        return Response.ok().build();
    }
}
