"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.FileDiscoverer = void 0;
exports.createFileDiscoverer = createFileDiscoverer;
exports.discoverFiles = discoverFiles;
const fs_1 = require("fs");
const path_1 = require("path");
const DEFAULT_EXCLUDES = new Set([
    'node_modules',
    '.git',
    '.svn',
    '.hg',
    'dist',
    'build',
    'coverage',
    '.nyc_output',
    '.next',
    '.nuxt',
    '__pycache__',
    '.pytest_cache',
    'target',
    'bin',
    'obj',
    'vendor',
    '.venv',
    'env'
]);
const PLATFORM_FILE_PROTOCOL = typeof window !== 'undefined';
class FileDiscoverer {
    excludePatterns;
    includeExtensions;
    constructor(excludePatterns = [], includeExtensions = [
        '.ts',
        '.tsx',
        '.js',
        '.jsx',
        '.go',
        '.py',
        '.rs',
        '.cpp',
        '.c',
        '.h',
        '.hpp',
        '.java'
    ]) {
        this.excludePatterns = new Set([...DEFAULT_EXCLUDES, ...excludePatterns]);
        this.includeExtensions = new Set(includeExtensions.map(e => e.toLowerCase()));
    }
    discover(rootPath, filter) {
        if (!(0, fs_1.existsSync)(rootPath)) {
            console.warn(`Path does not exist: ${rootPath}`);
            return [];
        }
        const results = [];
        this.discoverRecursive(rootPath, rootPath, results, 0, filter?.maxDepth || 50);
        return results;
    }
    discoverRecursive(rootPath, currentPath, results, depth, maxDepth) {
        if (depth > maxDepth)
            return;
        let entries = [];
        try {
            entries = (0, fs_1.readdirSync)(currentPath);
        }
        catch (e) {
            return;
        }
        for (const entry of entries) {
            if (entry.startsWith('.') && entry !== '.gitignore')
                continue;
            if (this.excludePatterns.has(entry))
                continue;
            const fullPath = (0, path_1.join)(currentPath, entry);
            let stat = null;
            try {
                stat = (0, fs_1.statSync)(fullPath);
            }
            catch {
                continue;
            }
            if (stat.isDirectory()) {
                this.discoverRecursive(rootPath, fullPath, results, depth + 1, maxDepth);
            }
            else if (stat.isFile()) {
                const ext = (0, path_1.extname)(entry).toLowerCase();
                if (this.includeExtensions.has(ext)) {
                    const relativePath = this.getRelativePath(rootPath, fullPath);
                    results.push({
                        path: fullPath,
                        relativePath,
                        extension: ext,
                        size: stat.size,
                        mtime: stat.mtimeMs
                    });
                }
            }
        }
    }
    getRelativePath(root, full) {
        const normalize = (p) => p.replace(/\\/g, '/');
        const rootNorm = normalize(root);
        const fullNorm = normalize(full);
        if (fullNorm.startsWith(rootNorm)) {
            const relative = fullNorm.substring(rootNorm.length);
            return relative.startsWith('/') ? relative.substring(1) : relative;
        }
        return fullNorm;
    }
    filterByExtensions(files, extensions) {
        const extSet = new Set(extensions.map(e => e.toLowerCase()));
        return files.filter(f => extSet.has(f.extension));
    }
    groupByExtension(files) {
        const groups = new Map();
        for (const file of files) {
            if (!groups.has(file.extension)) {
                groups.set(file.extension, []);
            }
            groups.get(file.extension).push(file);
        }
        return groups;
    }
}
exports.FileDiscoverer = FileDiscoverer;
function createFileDiscoverer(excludePatterns, includeExtensions) {
    return new FileDiscoverer(excludePatterns, includeExtensions);
}
function discoverFiles(rootPath, options) {
    const discoverer = new FileDiscoverer(options?.exclude, options?.include);
    return discoverer.discover(rootPath, { maxDepth: options?.maxDepth });
}
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