/**
 * @file        全局错误处理中间件
 * @author      hotok
 * @date        2025-06-28
 * @lastEditor  hotok
 * @lastEditTime 2025-06-28
 * @description 全局错误处理中间件，支持分环境详细度、自动错误日志记录
 */

import { Elysia } from 'elysia';

/**
 * 全局错误处理插件
 */
export const errorHandlerPlugin = (app: Elysia) =>
    app.onError(({ error, set, code, log, env }) => {
        switch (code) {
            case 'VALIDATION': {
                set.status = 400;
                let errors = null as any;
                if (env === 'development') {
                    errors = error.all.map((err) => ({
                        field: err.path?.slice(1) || 'root',
                        message: err.message,
                        expected: err.schema,
                        received: err.value,
                    }));
                } else {
                    errors = error.all.map((err) => err.message);
                }
                return {
                    code: 400,
                    message: '参数验证失败',
                    errors,
                };
            }
            case 'NOT_FOUND': {
                set.status = 404;
                return {
                    code: 404,
                    message: '找不到资源',
                };
            }
            case 'INTERNAL_SERVER_ERROR': {
                set.status = 500;
                log.error(error);
                return {
                    code: 500,
                    message: '服务器内部错误',
                    errors: error.message,
                };
            }
            case 'PARSE': {
                set.status = 400;
                return {
                    code: 400,
                    message: '解析错误',
                    errors: error.message,
                };
            }
            default: {
                // 处理 ElysiaCustomStatusResponse status抛出的异常
                if (error?.constructor?.name === 'ElysiaCustomStatusResponse') {
                    set.status = error.code;
                    return {
                        code: error.code,
                        message: error.response.message || error.response || '服务器内部错误',
                        errors: error,
                    };
                }

                console.log('error', error);
                set.status = 500;
                log.error(error);
                return {
                    code: 500,
                    message: '服务器内部错误',
                    errors: error.message,
                };
            }
        }
    });