import type { INodeType, INodeTypeDescription } from 'n8n-workflow';
import { NodeConnectionTypes } from 'n8n-workflow';

import { agent, chat, embeddings, search } from './descriptions';
import { getAgentModels } from './GenericFunctions';

export class Perplexity implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Perplexity',
		name: 'perplexity',
		icon: {
			light: 'file:perplexity.svg',
			dark: 'file:perplexity.dark.svg',
		},
		group: ['transform'],
		version: [1, 2],
		defaultVersion: 2,
		subtitle: '={{ $parameter["operation"] + ": " + $parameter["resource"] }}',
		description:
			'AI-powered answer engine that provides accurate, trusted, and real-time answers to any question. Supports chat completions, agent responses, web search, and embeddings.',
		defaults: {
			name: 'Perplexity',
		},
		inputs: [NodeConnectionTypes.Main],
		outputs: [NodeConnectionTypes.Main],
		usableAsTool: true,
		credentials: [
			{
				name: 'perplexityApi',
				required: true,
			},
		],
		requestDefaults: {
			baseURL: 'https://api.perplexity.ai',
			ignoreHttpStatusErrors: true,
		},
		properties: [
			// V1: hidden resource selector (only chat)
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'hidden',
				noDataExpression: true,
				options: [
					{
						name: 'Chat',
						value: 'chat',
					},
				],
				default: 'chat',
				displayOptions: {
					show: {
						'@version': [1],
					},
				},
			},
			// V2: visible resource selector (all resources)
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				noDataExpression: true,
				options: [
					{
						name: 'Agent',
						value: 'agent',
						description:
							'Create responses using the Agent API with third-party models, presets, tools, and structured outputs',
					},
					{
						name: 'Chat',
						value: 'chat',
						description: 'Send messages using Sonar models with built-in web search',
					},
					{
						name: 'Embedding',
						value: 'embedding',
						description: 'Generate vector embeddings for text',
					},
					{
						name: 'Search',
						value: 'search',
						description: 'Get raw, ranked web search results',
					},
				],
				default: 'chat',
				displayOptions: {
					show: {
						'@version': [2],
					},
				},
			},
			...agent.description,
			...chat.description,
			...embeddings.description,
			...search.description,
		],
	};

	methods = {
		listSearch: {
			getAgentModels,
		},
	};
}