"use strict";
/********************************************************************************
 * Copyright (C) 2017 TypeFox and others.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the Eclipse
 * Public License v. 2.0 are satisfied: GNU General Public License, version 2
 * with the GNU Classpath Exception which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 ********************************************************************************/
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Object.defineProperty(exports, "__esModule", { value: true });
exports.FileSearchServiceImpl = void 0;
var cp = require("child_process");
var fuzzy = require("fuzzy");
var readline = require("readline");
var vscode_ripgrep_1 = require("vscode-ripgrep");
var inversify_1 = require("inversify");
var uri_1 = require("@theia/core/lib/common/uri");
var file_uri_1 = require("@theia/core/lib/node/file-uri");
var core_1 = require("@theia/core");
var node_1 = require("@theia/process/lib/node");
var file_search_service_1 = require("../common/file-search-service");
var path = require("path");
var FileSearchServiceImpl = /** @class */ (function () {
    function FileSearchServiceImpl(logger, 
    /** @deprecated since 1.7.0 */
    rawProcessFactory) {
        this.logger = logger;
        this.rawProcessFactory = rawProcessFactory;
    }
    FileSearchServiceImpl.prototype.find = function (searchPattern, options, clientToken) {
        return __awaiter(this, void 0, void 0, function () {
            var cancellationSource, token, opts, roots, _a, _b, rootUri, rootUri, rootOptions, includePatterns, excludePatterns, exactMatches, fuzzyMatches, patterns;
            var e_1, _c;
            var _this = this;
            return __generator(this, function (_d) {
                switch (_d.label) {
                    case 0:
                        cancellationSource = new core_1.CancellationTokenSource();
                        if (clientToken) {
                            clientToken.onCancellationRequested(function () { return cancellationSource.cancel(); });
                        }
                        token = cancellationSource.token;
                        opts = __assign({ fuzzyMatch: true, limit: Number.MAX_SAFE_INTEGER, useGitIgnore: true }, options);
                        roots = options.rootOptions || {};
                        if (options.rootUris) {
                            try {
                                for (_a = __values(options.rootUris), _b = _a.next(); !_b.done; _b = _a.next()) {
                                    rootUri = _b.value;
                                    if (!roots[rootUri]) {
                                        roots[rootUri] = {};
                                    }
                                }
                            }
                            catch (e_1_1) { e_1 = { error: e_1_1 }; }
                            finally {
                                try {
                                    if (_b && !_b.done && (_c = _a.return)) _c.call(_a);
                                }
                                finally { if (e_1) throw e_1.error; }
                            }
                        }
                        // eslint-disable-next-line guard-for-in
                        for (rootUri in roots) {
                            rootOptions = roots[rootUri];
                            if (opts.includePatterns) {
                                includePatterns = rootOptions.includePatterns || [];
                                rootOptions.includePatterns = __spread(includePatterns, opts.includePatterns);
                            }
                            if (opts.excludePatterns) {
                                excludePatterns = rootOptions.excludePatterns || [];
                                rootOptions.excludePatterns = __spread(excludePatterns, opts.excludePatterns);
                            }
                            if (rootOptions.useGitIgnore === undefined) {
                                rootOptions.useGitIgnore = opts.useGitIgnore;
                            }
                        }
                        exactMatches = new Set();
                        fuzzyMatches = new Set();
                        if (core_1.isWindows) {
                            // Allow users on Windows to search for paths using either forwards or backwards slash
                            searchPattern = searchPattern.replace(/\//g, '\\');
                        }
                        patterns = searchPattern.toLocaleLowerCase().trim().split(file_search_service_1.WHITESPACE_QUERY_SEPARATOR);
                        return [4 /*yield*/, Promise.all(Object.keys(roots).map(function (root) { return __awaiter(_this, void 0, void 0, function () {
                                var rootUri, rootPath_1, rootOptions, e_2;
                                return __generator(this, function (_a) {
                                    switch (_a.label) {
                                        case 0:
                                            _a.trys.push([0, 2, , 3]);
                                            rootUri = new uri_1.default(root);
                                            rootPath_1 = file_uri_1.FileUri.fsPath(rootUri);
                                            rootOptions = roots[root];
                                            return [4 /*yield*/, this.doFind(rootUri, rootOptions, function (candidate) {
                                                    // Convert OS-native candidate path to a file URI string
                                                    var fileUri = file_uri_1.FileUri.create(path.resolve(rootPath_1, candidate)).toString();
                                                    // Skip results that have already been matched.
                                                    if (exactMatches.has(fileUri) || fuzzyMatches.has(fileUri)) {
                                                        return;
                                                    }
                                                    // Determine if the candidate matches any of the patterns exactly or fuzzy
                                                    var candidatePattern = candidate.toLocaleLowerCase();
                                                    var patternExists = patterns.every(function (pattern) { return candidatePattern.indexOf(pattern) !== -1; });
                                                    if (patternExists) {
                                                        exactMatches.add(fileUri);
                                                    }
                                                    else if (!searchPattern || searchPattern === '*') {
                                                        exactMatches.add(fileUri);
                                                    }
                                                    else {
                                                        var fuzzyPatternExists = patterns.every(function (pattern) { return fuzzy.test(pattern, candidate); });
                                                        if (opts.fuzzyMatch && fuzzyPatternExists) {
                                                            fuzzyMatches.add(fileUri);
                                                        }
                                                    }
                                                    // Preemptively terminate the search when the list of exact matches reaches the limit.
                                                    if (exactMatches.size === opts.limit) {
                                                        cancellationSource.cancel();
                                                    }
                                                }, token)];
                                        case 1:
                                            _a.sent();
                                            return [3 /*break*/, 3];
                                        case 2:
                                            e_2 = _a.sent();
                                            console.error('Failed to search:', root, e_2);
                                            return [3 /*break*/, 3];
                                        case 3: return [2 /*return*/];
                                    }
                                });
                            }); }))];
                    case 1:
                        _d.sent();
                        if (clientToken && clientToken.isCancellationRequested) {
                            return [2 /*return*/, []];
                        }
                        // Return the list of results limited by the search limit.
                        return [2 /*return*/, __spread(exactMatches, fuzzyMatches).slice(0, opts.limit)];
                }
            });
        });
    };
    FileSearchServiceImpl.prototype.doFind = function (rootUri, options, accept, token) {
        var _this = this;
        return new Promise(function (resolve, reject) {
            var cwd = file_uri_1.FileUri.fsPath(rootUri);
            var args = _this.getSearchArgs(options);
            var ripgrep = cp.spawn(vscode_ripgrep_1.rgPath, args, { cwd: cwd, stdio: ['pipe', 'pipe', 'inherit'] });
            ripgrep.on('error', reject);
            ripgrep.on('exit', function (code, signal) {
                if (typeof code === 'number' && code !== 0) {
                    reject(new Error("\"" + vscode_ripgrep_1.rgPath + "\" exited with code: " + code));
                }
                else if (typeof signal === 'string') {
                    reject(new Error("\"" + vscode_ripgrep_1.rgPath + "\" was terminated by signal: " + signal));
                }
            });
            token.onCancellationRequested(function () {
                ripgrep.kill(); // most likely sends a signal.
                resolve(); // avoid rejecting for no good reason.
            });
            var lineReader = readline.createInterface({
                input: ripgrep.stdout,
                crlfDelay: Infinity,
            });
            lineReader.on('line', function (line) {
                if (!token.isCancellationRequested) {
                    accept(line);
                }
            });
            lineReader.on('close', function () { return resolve(); });
        });
    };
    FileSearchServiceImpl.prototype.getSearchArgs = function (options) {
        var e_3, _a, e_4, _b;
        var args = ['--files', '--hidden'];
        if (options.includePatterns) {
            try {
                for (var _c = __values(options.includePatterns), _d = _c.next(); !_d.done; _d = _c.next()) {
                    var includePattern = _d.value;
                    if (includePattern) {
                        args.push('--glob', includePattern);
                    }
                }
            }
            catch (e_3_1) { e_3 = { error: e_3_1 }; }
            finally {
                try {
                    if (_d && !_d.done && (_a = _c.return)) _a.call(_c);
                }
                finally { if (e_3) throw e_3.error; }
            }
        }
        if (options.excludePatterns) {
            try {
                for (var _e = __values(options.excludePatterns), _f = _e.next(); !_f.done; _f = _e.next()) {
                    var excludePattern = _f.value;
                    if (excludePattern) {
                        args.push('--glob', "!" + excludePattern);
                    }
                }
            }
            catch (e_4_1) { e_4 = { error: e_4_1 }; }
            finally {
                try {
                    if (_f && !_f.done && (_b = _e.return)) _b.call(_e);
                }
                finally { if (e_4) throw e_4.error; }
            }
        }
        if (options.useGitIgnore) {
            // ripgrep follows `.gitignore` by default, but it doesn't exclude `.git`:
            args.push('--glob', '!.git');
        }
        else {
            args.push('--no-ignore');
        }
        return args;
    };
    FileSearchServiceImpl = __decorate([
        inversify_1.injectable(),
        __param(0, inversify_1.inject(core_1.ILogger)),
        __param(1, inversify_1.inject(node_1.RawProcessFactory)),
        __metadata("design:paramtypes", [Object, Function])
    ], FileSearchServiceImpl);
    return FileSearchServiceImpl;
}());
exports.FileSearchServiceImpl = FileSearchServiceImpl;
//# sourceMappingURL=file-search-service-impl.js.map