/*
 * Tencent is pleased to support the open source community by making
 * 蓝鲸智云 - 配置平台 (BlueKing - CMDB) available.
 * Copyright (C) 2025 Tencent. All rights reserved.
 * Licensed under the MIT License (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at http://opensource.org/licenses/MIT
 * 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.
 * We undertake not to change the open source license (MIT license) applicable
 * to the current version of the project delivered to anyone in the future.
 */

package rest

import (
	"encoding/json/v2"
	"log/slog"
	"net/http"
)

// Renderer interface for managing response payloads.
type Renderer interface {
	Render(w http.ResponseWriter, r *http.Request)
}

// APIResponse response for api request
type APIResponse struct {
	HTTPCode int    `json:"-"` // http response status code
	Code     int    `json:"code"`
	Message  string `json:"message"`
	Data     any    `json:"data"`
}

// Render chi render interface implementation
func (e *APIResponse) Render(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "application/json")

	w.WriteHeader(e.HTTPCode)

	err := json.MarshalWrite(w, e)
	if err != nil {
		slog.Error("render resp failed", "err", err)
	}
}

// APIOK 正常返回
func APIOK(data any) Renderer {
	return &APIResponse{
		Message:  "request OK",
		HTTPCode: http.StatusOK,
		Code:     0,
		Data:     data,
	}
}

// APIError 错误返回
func APIError(err error) Renderer {
	return &APIResponse{
		Message:  err.Error(),
		HTTPCode: http.StatusBadRequest,
		Code:     40000,
	}
}