'use strict';Object.defineProperty(exports,Symbol.toStringTag,{value:'Module'});const buildInternalReverseChnCidr=require('../_virtual/build-internal-reverse-chn-cidr.cjs'),require$$0$1=require('node:path'),index=require('./trace/index.cjs'),buildChnCidr=require('./build-chn-cidr2.cjs'),require$$1=require('node:fs'),dir=require('./constants/dir.cjs'),require$$0=require('foxts/async-write-to-stream'),misc=require('./lib/misc.cjs'),require$$7=require('worktank'),require$$8=require('url');var hasRequiredBuildInternalReverseChnCidr;

function requireBuildInternalReverseChnCidr () {
	if (hasRequiredBuildInternalReverseChnCidr) return buildInternalReverseChnCidr.__module.exports;
	hasRequiredBuildInternalReverseChnCidr = 1;
	(function (module, exports) {
		Object.defineProperty(exports, "__esModule", {
		    value: true
		});
		Object.defineProperty(exports, "buildInternalReverseChnCIDR", {
		    enumerable: true,
		    get: function() {
		        return buildInternalReverseChnCIDR;
		    }
		});
		const _nodepath = /*#__PURE__*/ _interop_require_default(require$$0$1);
		const _trace = /*@__PURE__*/ index.__require();
		const _buildchncidr = buildChnCidr.__require();
		const _nodefs = /*#__PURE__*/ _interop_require_default(require$$1);
		const _dir = /*@__PURE__*/ dir.__require();
		const _asyncwritetostream = require$$0;
		const _misc = /*@__PURE__*/ misc.__require();
		const _worktank = /*#__PURE__*/ _interop_require_default(require$$7);
		function _interop_require_default(obj) {
		    return obj && obj.__esModule ? obj : {
		        default: obj
		    };
		}
		const pool = new _worktank.default({
		    name: 'build-internal-reverse-chn-cidr',
		    size: 1,
		    timeout: 10000,
		    warmup: true,
		    autoterminate: 30000,
		    env: {},
		    methods: {
		        // eslint-disable-next-line object-shorthand -- workertank
		        getreversedCidr: async function(cidr, importMetaUrl) {
		            // TODO: createRequire is a temporary workaround for https://github.com/nodejs/node/issues/51956
		            const { default: module1 } = await import('node:module');
		            const __require = module1.createRequire(importMetaUrl);
		            const { exclude, merge } = __require('fast-cidr-tools');
		            const { RESERVED_IPV4_CIDR, NON_CN_CIDR_INCLUDED_IN_CHNROUTE } = __require('./constants/cidr');
		            const { appendArrayInPlace } = __require('./lib/append-array-in-place');
		            return merge(appendArrayInPlace(exclude([
		                '0.0.0.0/0'
		            ], RESERVED_IPV4_CIDR.concat(cidr), true), // https://github.com/misakaio/chnroutes2/issues/25
		            NON_CN_CIDR_INCLUDED_IN_CHNROUTE), true);
		        }
		    }
		});
		const buildInternalReverseChnCIDR = (0, _trace.task)(require.main === module, __filename)(async (span)=>{
		    const [cidr] = await span.traceChildPromise('download chnroutes2', (0, _buildchncidr.getChnCidrPromise)());
		    const reversedCidr = await span.traceChildAsync('build reversed chn cidr', async ()=>{
		        const reversedCidr = await pool.exec('getreversedCidr', [
		            cidr,
		            require$$8.pathToFileURL(__filename).toString()
		        ]);
		        pool.terminate();
		        return reversedCidr;
		    });
		    const outputFile = _nodepath.default.join(_dir.OUTPUT_INTERNAL_DIR, 'reversed-chn-cidr.txt');
		    await (0, _misc.mkdirp)(_dir.OUTPUT_INTERNAL_DIR);
		    const writeStream = _nodefs.default.createWriteStream(outputFile);
		    for (const line of reversedCidr){
		        const p = (0, _asyncwritetostream.asyncWriteToStream)(writeStream, line + '\n');
		        if (p) {
		            // eslint-disable-next-line no-await-in-loop -- stream high water mark
		            await p;
		        }
		    }
		    await (0, _asyncwritetostream.asyncWriteToStream)(writeStream, '\n');
		    writeStream.end();
		}); 
	} (buildInternalReverseChnCidr.__module, buildInternalReverseChnCidr.__module.exports));
	return buildInternalReverseChnCidr.__module.exports;
}exports.__require=requireBuildInternalReverseChnCidr;