"use strict";
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    Object.defineProperty(o, "default", { enumerable: true, value: v });
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        __setModuleDefault(result, mod);
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    };
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Object.defineProperty(exports, "__esModule", { value: true });
exports.McpClient = void 0;
const n8n_workflow_1 = require("n8n-workflow");
const zod_1 = require("zod");
const core_1 = require("zod/v4/core");
const listSearch = __importStar(require("./listSearch"));
const resourceMapping = __importStar(require("./resourceMapping"));
const descriptions_1 = require("../shared/descriptions");
const utils_1 = require("../shared/utils");
class McpClient {
    constructor() {
        this.description = {
            displayName: 'MCP Client',
            description: 'Standalone MCP Client',
            name: 'mcpClient',
            icon: {
                light: 'file:../mcp.svg',
                dark: 'file:../mcp.dark.svg',
            },
            group: ['transform'],
            version: [1, 1.1],
            defaultVersion: 1.1,
            defaults: {
                name: 'MCP Client',
            },
            credentials: descriptions_1.credentials,
            inputs: [n8n_workflow_1.NodeConnectionTypes.Main],
            outputs: [n8n_workflow_1.NodeConnectionTypes.Main],
            properties: [
                (0, descriptions_1.transportSelect)({
                    defaultOption: 'httpStreamable',
                }),
                {
                    displayName: 'MCP Endpoint URL',
                    name: 'endpointUrl',
                    type: 'string',
                    default: '',
                    placeholder: 'e.g. https://my-mcp-server.ai/mcp',
                    required: true,
                    description: 'The URL of the MCP server to connect to',
                },
                {
                    displayName: 'Authentication',
                    name: 'authentication',
                    type: 'options',
                    options: [
                        {
                            name: 'Bearer Auth',
                            value: 'bearerAuth',
                        },
                        {
                            name: 'Header Auth',
                            value: 'headerAuth',
                        },
                        {
                            name: 'MCP OAuth2',
                            value: 'mcpOAuth2Api',
                        },
                        {
                            name: 'Multiple Headers Auth',
                            value: 'multipleHeadersAuth',
                        },
                        {
                            name: 'None',
                            value: 'none',
                        },
                    ],
                    default: 'none',
                    description: 'The way to authenticate with your endpoint',
                },
                {
                    displayName: 'Credentials',
                    name: 'credentials',
                    type: 'credentials',
                    default: '',
                    displayOptions: {
                        show: {
                            authentication: ['headerAuth', 'bearerAuth', 'mcpOAuth2Api', 'multipleHeadersAuth'],
                        },
                    },
                },
                {
                    displayName: 'Tool',
                    name: 'tool',
                    type: 'resourceLocator',
                    default: { mode: 'list', value: '' },
                    required: true,
                    description: 'The tool to use',
                    modes: [
                        {
                            displayName: 'From List',
                            name: 'list',
                            type: 'list',
                            typeOptions: {
                                searchListMethod: 'getTools',
                                searchable: true,
                                skipCredentialsCheckInRLC: true,
                            },
                        },
                        {
                            displayName: 'ID',
                            name: 'id',
                            type: 'string',
                        },
                    ],
                },
                {
                    displayName: 'Input Mode',
                    name: 'inputMode',
                    type: 'options',
                    default: 'manual',
                    noDataExpression: true,
                    options: [
                        {
                            name: 'Manual',
                            value: 'manual',
                            description: 'Manually specify the input data for each tool parameter',
                        },
                        {
                            name: 'JSON',
                            value: 'json',
                            description: 'Specify the input data as a JSON object',
                        },
                    ],
                },
                {
                    displayName: 'Parameters',
                    name: 'parameters',
                    type: 'resourceMapper',
                    default: {
                        mappingMode: 'defineBelow',
                        value: null,
                    },
                    noDataExpression: true,
                    required: true,
                    typeOptions: {
                        loadOptionsDependsOn: ['tool.value'],
                        resourceMapper: {
                            resourceMapperMethod: 'getToolParameters',
                            hideNoDataError: true,
                            addAllFields: false,
                            supportAutoMap: false,
                            mode: 'add',
                            fieldWords: {
                                singular: 'parameter',
                                plural: 'parameters',
                            },
                        },
                    },
                    displayOptions: {
                        show: {
                            inputMode: ['manual'],
                        },
                    },
                },
                {
                    displayName: 'JSON',
                    name: 'jsonInput',
                    type: 'json',
                    typeOptions: {
                        rows: 5,
                    },
                    default: '{\n  "my_field_1": "value",\n  "my_field_2": 1\n}\n',
                    validateType: 'object',
                    displayOptions: {
                        show: {
                            inputMode: ['json'],
                        },
                    },
                },
                {
                    displayName: 'Options',
                    name: 'options',
                    placeholder: 'Add Option',
                    description: 'Additional options to add',
                    type: 'collection',
                    default: {},
                    options: [
                        {
                            displayName: 'Convert to Binary',
                            name: 'convertToBinary',
                            type: 'boolean',
                            default: true,
                            description: 'Whether to convert images and audio to binary data. If false, images and audio will be returned as base64 encoded strings.',
                        },
                        {
                            displayName: 'Timeout',
                            name: 'timeout',
                            type: 'number',
                            typeOptions: {
                                minValue: 1,
                            },
                            default: 60000,
                            description: 'Time in ms to wait for tool calls to finish',
                        },
                    ],
                },
            ],
        };
        this.methods = {
            listSearch,
            resourceMapping,
        };
    }
    async execute() {
        const authentication = this.getNodeParameter('authentication', 0);
        const serverTransport = this.getNodeParameter('serverTransport', 0);
        const endpointUrl = this.getNodeParameter('endpointUrl', 0);
        const node = this.getNode();
        const client = await (0, utils_1.connectMcpClientForCredential)(this, {
            authentication,
            serverTransport,
            endpointUrl,
            surface: 'MCP Client',
        });
        if (!client.ok) {
            throw (0, utils_1.mapToNodeOperationError)(node, client.error);
        }
        try {
            const inputMode = this.getNodeParameter('inputMode', 0, 'manual');
            const items = this.getInputData();
            const returnData = [];
            for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
                try {
                    const tool = this.getNodeParameter('tool.value', itemIndex);
                    const options = this.getNodeParameter('options', itemIndex);
                    let parameters = {};
                    if (inputMode === 'manual') {
                        parameters = this.getNodeParameter('parameters.value', itemIndex);
                    }
                    else {
                        parameters = this.getNodeParameter('jsonInput', itemIndex);
                    }
                    const result = (await client.result.callTool({
                        name: tool,
                        arguments: parameters,
                    }, undefined, {
                        timeout: options.timeout ? Number(options.timeout) : undefined,
                    }));
                    if (node.typeVersion >= 1.1 && result.isError) {
                        const textContent = result.content.find((item) => item.type === 'text');
                        const errorMessage = textContent && 'text' in textContent
                            ? textContent.text
                            : `Tool "${tool}" returned an error`;
                        throw new n8n_workflow_1.NodeOperationError(node, errorMessage, { itemIndex });
                    }
                    let binaryIndex = 0;
                    const binary = {};
                    const content = [];
                    const convertToBinary = options.convertToBinary ?? true;
                    for (const contentItem of result.content) {
                        if (contentItem.type === 'text') {
                            content.push({
                                ...contentItem,
                                text: (0, n8n_workflow_1.jsonParse)(contentItem.text, { fallbackValue: contentItem.text }),
                            });
                            continue;
                        }
                        if (convertToBinary && (contentItem.type === 'image' || contentItem.type === 'audio')) {
                            binary[`data_${binaryIndex}`] = await this.helpers.prepareBinaryData(Buffer.from(contentItem.data, 'base64'), undefined, contentItem.mimeType);
                            binaryIndex++;
                            continue;
                        }
                        content.push(contentItem);
                    }
                    const outputJson = {};
                    if ((0, utils_1.isStructuredContent)(result.structuredContent)) {
                        outputJson.structuredContent = { ...result.structuredContent };
                    }
                    if (content.length > 0) {
                        outputJson.content = content;
                    }
                    returnData.push({
                        json: outputJson,
                        binary: Object.keys(binary).length > 0 ? binary : undefined,
                        pairedItem: {
                            item: itemIndex,
                        },
                    });
                }
                catch (e) {
                    const errorMessage = e instanceof zod_1.ZodError ? (0, core_1.prettifyError)(e) : e instanceof Error ? e.message : String(e);
                    if (this.continueOnFail()) {
                        returnData.push({
                            json: {
                                error: {
                                    message: errorMessage,
                                    issues: e instanceof zod_1.ZodError ? e.issues : undefined,
                                },
                            },
                            pairedItem: {
                                item: itemIndex,
                            },
                        });
                        continue;
                    }
                    throw new n8n_workflow_1.NodeOperationError(node, errorMessage, {
                        itemIndex,
                    });
                }
            }
            return [returnData];
        }
        finally {
            await client.result.close();
        }
    }
}
exports.McpClient = McpClient;
//# sourceMappingURL=McpClient.node.js.map