"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.LmChatCohere = void 0;
exports.tokensUsageParser = tokensUsageParser;
const cohere_1 = require("@langchain/cohere");
const ai_utilities_1 = require("@n8n/ai-utilities");
function tokensUsageParser(result) {
    let totalInputTokens = 0;
    let totalOutputTokens = 0;
    result.generations?.forEach((generationArray) => {
        generationArray.forEach((gen) => {
            const inputTokens = gen.generationInfo?.meta?.tokens?.inputTokens ?? 0;
            const outputTokens = gen.generationInfo?.meta?.tokens?.outputTokens ?? 0;
            totalInputTokens += inputTokens;
            totalOutputTokens += outputTokens;
        });
    });
    return {
        completionTokens: totalOutputTokens,
        promptTokens: totalInputTokens,
        totalTokens: totalInputTokens + totalOutputTokens,
    };
}
class LmChatCohere {
    constructor() {
        this.description = {
            displayName: 'Cohere Chat Model',
            name: 'lmChatCohere',
            icon: { light: 'file:cohere.svg', dark: 'file:cohere.dark.svg' },
            group: ['transform'],
            version: [1],
            description: 'For advanced usage with an AI chain',
            defaults: {
                name: 'Cohere Chat Model',
            },
            codex: {
                categories: ['AI'],
                subcategories: {
                    AI: ['Language Models', 'Root Nodes'],
                    'Language Models': ['Chat Models (Recommended)'],
                },
                resources: {
                    primaryDocumentation: [
                        {
                            url: 'https://docs.n8n.io/integrations/builtin/cluster-nodes/sub-nodes/n8n-nodes-langchain.lmchatcohere/',
                        },
                    ],
                },
            },
            inputs: [],
            outputs: ['ai_languageModel'],
            outputNames: ['Model'],
            credentials: [
                {
                    name: 'cohereApi',
                    required: true,
                },
            ],
            requestDefaults: {
                baseURL: '={{$credentials?.url}}',
                headers: {
                    accept: 'application/json',
                    authorization: '=Bearer {{$credentials?.apiKey}}',
                },
            },
            properties: [
                (0, ai_utilities_1.getConnectionHintNoticeField)(['ai_chain', 'ai_agent']),
                {
                    displayName: 'Model',
                    name: 'model',
                    type: 'options',
                    description: 'The model which will generate the completion. <a href="https://docs.cohere.com/docs/models">Learn more</a>.',
                    typeOptions: {
                        loadOptions: {
                            routing: {
                                request: {
                                    method: 'GET',
                                    url: '/v1/models?page_size=100&endpoint=chat',
                                },
                                output: {
                                    postReceive: [
                                        {
                                            type: 'rootProperty',
                                            properties: {
                                                property: 'models',
                                            },
                                        },
                                        {
                                            type: 'setKeyValue',
                                            properties: {
                                                name: '={{$responseItem.name}}',
                                                value: '={{$responseItem.name}}',
                                                description: '={{$responseItem.description}}',
                                            },
                                        },
                                        {
                                            type: 'sort',
                                            properties: {
                                                key: 'name',
                                            },
                                        },
                                    ],
                                },
                            },
                        },
                    },
                    default: 'command-a-03-2025',
                    builderHint: {
                        propertyHint: 'Default to the latest Cohere Command A model (command-a-03-2025). Avoid command-r and command-light legacy variants.',
                    },
                },
                {
                    displayName: 'Options',
                    name: 'options',
                    placeholder: 'Add Option',
                    description: 'Additional options to add',
                    type: 'collection',
                    default: {},
                    options: [
                        {
                            displayName: 'Sampling Temperature',
                            name: 'temperature',
                            default: 0.7,
                            typeOptions: { maxValue: 2, minValue: 0, numberPrecision: 1 },
                            description: 'Controls randomness: Lowering results in less random completions. As the temperature approaches zero, the model will become deterministic and repetitive.',
                            type: 'number',
                        },
                        {
                            displayName: 'Max Retries',
                            name: 'maxRetries',
                            default: 2,
                            description: 'Maximum number of retries to attempt',
                            type: 'number',
                        },
                    ],
                },
            ],
        };
    }
    async supplyData(itemIndex) {
        const credentials = await this.getCredentials('cohereApi');
        const modelName = this.getNodeParameter('model', itemIndex);
        const options = this.getNodeParameter('options', itemIndex, {});
        const model = new cohere_1.ChatCohere({
            apiKey: credentials.apiKey,
            model: modelName,
            temperature: options.temperature,
            maxRetries: options.maxRetries ?? 2,
            callbacks: [new ai_utilities_1.N8nLlmTracing(this, { tokensUsageParser })],
            onFailedAttempt: (0, ai_utilities_1.makeN8nLlmFailedAttemptHandler)(this),
        });
        return {
            response: model,
        };
    }
}
exports.LmChatCohere = LmChatCohere;
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