import type { Item } from '../fs/Item'
import type { Shell } from '../shell/Shell'
import type { SimpleStream } from '../utils/SimpleStream'
import { Program } from './Program'

export class Loadprg extends Program {
    private shell: Shell

    constructor(shell: Shell) {
        super()
        this.shell = shell
    }

    async Exec(_: SimpleStream<string>, stdout: SimpleStream<string>, workdir: Item, args: string[]): Promise<number> {
        const javascript = args.slice(2).join(' ')

        try {
            const program = eval(javascript)

            this.shell.LoadProgram(new program(), args[1])
        } catch (e) {
            stdout.emit(`${String(e)}\n`)
            stdout.emit(`${String((e as Error).stack)}\n`)
            return 1
        }

        return 0
    }
}