import { Observation } from '../../types/types';
import { ParametersType, ToolInfo } from '../../types/tool_types';
import { BaseTool } from '../BaseTool';

const wordCountParams = [
                    {
                        name: 'phrase',
                        type: 'string',
                        description: 'The phrase to count words in',
                        required: true
                    }
                ] as const;

                type WordCountParamsType = typeof wordCountParams;

                const wordCountInfo: ToolInfo<WordCountParamsType> = {
                    name: 'wordcount',
                    description: 'Counts the number of words in a given phrase',
                    citationRules: 'No citation needed.',
                    parameterRules: wordCountParams
                };

                export class WordCountTool extends BaseTool<WordCountParamsType> {
                    constructor() {
                        super(wordCountInfo);
                    }

                    async execute(args: ParametersType<WordCountParamsType>): Promise<Observation[]> {
                        const { phrase } = args;
                        const wordCount = phrase ? phrase.trim().split(/\s+/).length : 0;
                        return [{ type: 'text', text: `Word count: ${wordCount}` }];
                    }
                }