import JSON5 from 'https://cdn.skypack.dev/json5@2.0.0'
import { join, basename } from 'https://deno.land/std/path/mod.ts'

let autoCompletions: any = {}

async function loadDir(
	dirPath: string,
	saveObj = autoCompletions
): Promise<void> {
	const dirents = await Deno.readDir(dirPath)

	for await (const dirent of dirents) {
		if (dirent.isDirectory) {
			if (saveObj[dirent.name] === undefined) saveObj[dirent.name] = {}
			await loadDir(join(dirPath, dirent.name), saveObj[dirent.name])
		} else {
			saveObj[basename(dirent.name, '.json')] = JSON5.parse(
				await Deno.readTextFile(join(dirPath, dirent.name))
			)
		}
	}
}

export async function bundleAutoCompletions() {
	autoCompletions = {}

	await loadDir('./packages/auto_completions').then(async () => {
		await Promise.all([
			Deno.writeTextFile(
				'./dist/auto-completions.js',
				`(() => JSON.parse("${JSON.stringify(autoCompletions)
					.replace(/\\\"/g, '\\\\"')
					.replace(/\"/g, '\\"')}"))()`
			),
			Deno.writeTextFile(
				'./dist/auto-completions.json',
				JSON.stringify(autoCompletions)
			),
		])
	})
}