/*
 * Copyright 2021 Tianmian Tech. All Rights Reserved.
 *
 * Licensed 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 com.welab.wefe.common.web.api.dev;

import com.welab.wefe.common.exception.StatusCodeWithException;
import com.welab.wefe.common.util.JObject;
import com.welab.wefe.common.web.api.base.AbstractApi;
import com.welab.wefe.common.web.api.base.Api;
import com.welab.wefe.common.web.api_document.AbstractApiDocumentFormatter;
import com.welab.wefe.common.web.api_document.HtmlFormatter;
import com.welab.wefe.common.web.api_document.JsonFormatter;
import com.welab.wefe.common.web.api_document.MarkdownFormatter;
import com.welab.wefe.common.web.dto.AbstractApiInput;
import com.welab.wefe.common.web.dto.AbstractApiOutput;
import com.welab.wefe.common.web.dto.ApiResult;
import org.springframework.http.ResponseEntity;

import java.io.IOException;
import java.util.List;

/**
 * @author Zane
 */
@Api(path = "apis", name = "获取 api 列表", login = false)
public class Apis extends AbstractApi<Apis.Input, ResponseEntity<?>> {


    @Override
    protected ApiResult<ResponseEntity<?>> handle(Input input) throws StatusCodeWithException, IOException {

        AbstractApiDocumentFormatter formatter;
        switch (input.format.toLowerCase().trim()) {
            case "json":
                formatter = new JsonFormatter();
                break;

            case "markdown":
                formatter = new MarkdownFormatter();
                break;

            default:
                formatter = new HtmlFormatter();
        }

        ResponseEntity<Object> response = ResponseEntity
                .ok()
                .header("content-type", formatter.contentType() + "; charset=utf-8")
                .body(formatter.format());

        return success(response);
    }


    public static class Output extends AbstractApiOutput {
        public int size;
        public List<JObject> list;

        public static Output of(int size, List<JObject> list) {
            Output output = new Output();
            output.size = size;
            output.list = list;
            return output;
        }
    }

    public static class Input extends AbstractApiInput {
        public String format;

        @Override
        public void checkAndStandardize() throws StatusCodeWithException {
            super.checkAndStandardize();

            if (format == null) {
                format = "";
            }
        }
    }
}
