#!/usr/bin/env node

import 'dotenv/config'
import { analyzeWithGemini } from './gemini-analyzer'
import * as fs from 'fs'
import * as path from 'path'
import { stdout } from 'process'

async function main() {
	const args = process.argv.slice(2)
	const filePath = args[0]
	const modelFlag = args.find((arg) => arg.startsWith('--model='))
	const apiKeyFlag = args.find((arg) => arg.startsWith('--api-key='))
	const model = modelFlag ? modelFlag.split('=')[1] : 'gemini-2.0-flash'
	const apiKey = apiKeyFlag
		? apiKeyFlag.split('=')[1]
		: process.env.GOOGLE_API_KEY

	if (!filePath) {
		console.error('Error: Please provide a file path')
		console.error('Usage: describe <file> [--model=<model>] [--api-key=<key>]')
		process.exit(1)
	}

	if (!apiKey) {
		console.error('Error: No API key provided. Either:')
		console.error('1. Set the GOOGLE_API_KEY environment variable, or')
		console.error('2. Pass the API key with --api-key=<key>')
		process.exit(1)
	}

	const resolvedPath = path.resolve(filePath)
	if (!fs.existsSync(resolvedPath)) {
		console.error(`Error: File '${resolvedPath}' not found`)
		process.exit(1)
	}

	try {
		const description = await analyzeWithGemini(resolvedPath, model, apiKey)
		// return the result using stdio
		stdout.write(description)
	} catch (err: any) {
		console.error('Error:', err.message || String(err))
		process.exit(1)
	}
}

main().catch((err) => {
	console.error('Error:', err)
	process.exit(1)
})