import { P as PackerConfig, a as PackedCourseData, S as StaticCourseManifest } from './types-CHgpWQAY.js';

/**
 * Abstraction for file system operations needed by the migrator.
 * This allows dependency injection of file system operations,
 * avoiding bundling issues with Node.js fs module.
 */
interface FileSystemAdapter {
    /**
     * Read a text file and return its contents as a string
     */
    readFile(filePath: string): Promise<string>;
    /**
     * Read a binary file and return its contents as a Buffer
     */
    readBinary(filePath: string): Promise<Buffer>;
    /**
     * Check if a file or directory exists
     */
    exists(filePath: string): Promise<boolean>;
    /**
     * Get file/directory statistics
     */
    stat(filePath: string): Promise<FileStats>;
    /**
     * Write text data to a file
     */
    writeFile(filePath: string, data: string | Buffer): Promise<void>;
    /**
     * Write JSON data to a file with formatting
     */
    writeJson(filePath: string, data: any, options?: {
        spaces?: number;
    }): Promise<void>;
    /**
     * Ensure a directory exists, creating it and parent directories if needed
     */
    ensureDir(dirPath: string): Promise<void>;
    /**
     * Join path segments into a complete path
     */
    joinPath(...segments: string[]): string;
    /**
     * Get the directory name of a path
     */
    dirname(filePath: string): string;
    /**
     * Check if a path is absolute
     */
    isAbsolute(filePath: string): boolean;
}
interface FileStats {
    isDirectory(): boolean;
    isFile(): boolean;
    size: number;
}
/**
 * Error thrown when file system operations fail
 */
declare class FileSystemError extends Error {
    readonly operation: string;
    readonly filePath: string;
    readonly cause?: Error | undefined;
    constructor(message: string, operation: string, filePath: string, cause?: Error | undefined);
}

declare class CouchDBToStaticPacker {
    private config;
    private sourceDB;
    constructor(config?: Partial<PackerConfig>);
    /**
     * Pack a CouchDB course database into static data structures
     */
    packCourse(sourceDB: PouchDB.Database, courseId: string): Promise<PackedCourseData>;
    /**
     * Pack a CouchDB course database and write the static files to disk
     */
    packCourseToFiles(sourceDB: PouchDB.Database, courseId: string, outputDir: string, fsAdapter: FileSystemAdapter): Promise<{
        manifest: StaticCourseManifest;
        filesWritten: number;
        attachmentsFound: number;
    }>;
    /**
     * Write packed course data to files using FileSystemAdapter
     */
    private writePackedDataToFiles;
    private extractCourseConfig;
    private extractDesignDocs;
    private extractDocumentsByType;
    private createChunks;
    private prepareChunkData;
    private buildIndices;
    private buildEloIndex;
    private buildTagIndex;
    /**
     * Build view index by querying CouchDB views directly instead of parsing map functions
     */
    private buildViewIndex;
    /**
     * Format CouchDB view results for static consumption
     */
    private formatViewResults;
    /**
     * Format ELO view results - convert to sorted array format
     */
    private formatEloViewIndex;
    /**
     * Format tags view results - convert to tag mapping format
     */
    private formatTagsViewIndex;
    /**
     * Format inexperience view results - convert to experience-based format
     */
    private formatInexperienceViewIndex;
    /**
     * Format generic view results - fallback for unknown views
     */
    private formatGenericViewIndex;
    /**
     * Extract all attachments from documents and download binary data
     */
    private extractAllAttachments;
    /**
     * Extract attachments for a single document
     */
    private extractDocumentAttachments;
    /**
     * Transform attachment stubs to include file paths
     */
    private transformAttachmentStubs;
    /**
     * Get file extension from content type
     */
    private getFileExtension;
}

export { CouchDBToStaticPacker as C, type FileSystemAdapter as F, type FileStats as a, FileSystemError as b };