import { normalizeDocumentQuery } from "./utils/common.js";
import { findDocument } from "./findDocument.js";
/**
 * Gets all uploads for a specific document
 *
 * This function retrieves uploads associated with a document with support for:
 * - Sorting by created_at, original_filename, or filename
 * - Pagination (limit/offset)
 * - Filtering by document path prefix
 * - Filtering hidden uploads (default: excludes hidden)
 *
 * @param client Database client
 * @param query Document query (supports path string, id number, DualDocument, Route, etc.)
 * @param options Query options for filtering, sorting, and pagination
 * @returns Array of Upload objects, or empty array if none found
 */
export const getUploads = async (client, query, options = {}) => {
    const { sortBy = 'created_at', sortOrder = 'desc', limit, offset = 0, startsWithPath, includeHidden = false } = options;
    const normalizedQuery = normalizeDocumentQuery(query);
    // Verify document exists
    const document = await findDocument(client, normalizedQuery);
    if (!document) {
        return [];
    }
    const documentId = document.id;
    // Build query with optional path filter
    const whereClauses = ['u.document_id = $1'];
    const queryParams = [documentId];
    let paramIndex = 2;
    // Filter out hidden uploads unless explicitly requested
    if (!includeHidden) {
        whereClauses.push('u.hidden = false');
    }
    // Add path filter if specified
    if (startsWithPath !== undefined) {
        whereClauses.push(`r.path LIKE $${paramIndex}`);
        queryParams.push(`${startsWithPath}%`);
        paramIndex++;
    }
    const whereClause = whereClauses.join(' AND ');
    // Determine ORDER BY field
    let orderByField;
    switch (sortBy) {
        case 'original_filename':
            orderByField = 'u.original_filename';
            break;
        case 'filename':
            orderByField = 'u.filename';
            break;
        case 'created_at':
        default:
            orderByField = 'u.created_at';
    }
    // Build LIMIT and OFFSET clauses
    let limitClause = '';
    if (limit !== undefined) {
        limitClause += ` LIMIT $${paramIndex}`;
        queryParams.push(limit);
        paramIndex++;
    }
    if (offset > 0) {
        limitClause += ` OFFSET $${paramIndex}`;
        queryParams.push(offset);
        paramIndex++;
    }
    // Get uploads with optional path filter
    const result = await client.query(`SELECT u.id, u.filename, u.document_id, u.created_at, u.original_filename, u.hidden, u.hash
       FROM uploads u
       JOIN documents d ON d.id = u.document_id
       JOIN routes r ON r.id = d.path_id
       WHERE ${whereClause}
       ORDER BY ${orderByField} ${sortOrder.toUpperCase()}
       ${limitClause}`, queryParams);
    return result.rows;
};
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