var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    var desc = Object.getOwnPropertyDescriptor(m, k);
    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
      desc = { enumerable: true, get: function() { return m[k]; } };
    }
    Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
        var result = {};
        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
(function (factory) {
    if (typeof module === "object" && typeof module.exports === "object") {
        var v = factory(require, exports);
        if (v !== undefined) module.exports = v;
    }
    else if (typeof define === "function" && define.amd) {
        define(["require", "exports", "@langchain/classic/document_loaders/fs/buffer", "@langchain/core/documents", "n8n-workflow"], factory);
    }
})(function (require, exports) {
    "use strict";
    var __syncRequire = typeof module === "object" && typeof module.exports === "object";
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.N8nPdfLoader = void 0;
    const buffer_1 = require("@langchain/classic/document_loaders/fs/buffer");
    const documents_1 = require("@langchain/core/documents");
    const n8n_workflow_1 = require("n8n-workflow");
    class N8nPdfLoader extends buffer_1.BufferLoader {
        constructor(filePathOrBlob, { splitPages = true } = {}) {
            super(filePathOrBlob);
            this.splitPages = splitPages;
        }
        async parse(raw, metadata) {
            if (typeof Reflect.get(globalThis, 'DOMMatrix') === 'undefined') {
                const { default: DOMMatrix } = await (__syncRequire ? Promise.resolve().then(() => __importStar(require('@thednp/dommatrix'))) : new Promise((resolve_1, reject_1) => { require(['@thednp/dommatrix'], resolve_1, reject_1); }).then(__importStar));
                Reflect.set(globalThis, 'DOMMatrix', DOMMatrix);
            }
            const { PDFParse } = await (__syncRequire ? Promise.resolve().then(() => __importStar(require('pdf-parse'))) : new Promise((resolve_2, reject_2) => { require(['pdf-parse'], resolve_2, reject_2); }).then(__importStar));
            const parser = new PDFParse({ data: raw });
            try {
                const result = await parser.getText({ pageJoiner: '' });
                const info = await parser.getInfo().catch((error) => {
                    n8n_workflow_1.LoggerProxy.debug('N8nPdfLoader: getInfo() failed; continuing without pdf.info metadata', {
                        error,
                    });
                    return null;
                });
                const pdfMeta = {
                    info: info?.info,
                    metadata: info?.metadata,
                    totalPages: result.total,
                };
                const documents = result.pages.map((page) => new documents_1.Document({
                    pageContent: page.text,
                    metadata: {
                        ...metadata,
                        pdf: pdfMeta,
                        loc: { pageNumber: page.num },
                    },
                }));
                if (this.splitPages)
                    return documents;
                if (documents.length === 0)
                    return [];
                return [
                    new documents_1.Document({
                        pageContent: documents.map((doc) => doc.pageContent).join('\n\n'),
                        metadata: {
                            ...metadata,
                            pdf: pdfMeta,
                        },
                    }),
                ];
            }
            finally {
                await parser.destroy().catch(() => undefined);
            }
        }
    }
    exports.N8nPdfLoader = N8nPdfLoader;
});
//# sourceMappingURL=n8n-pdf-loader.js.map