const Host = require('./Host')
const child_process = require('child_process')
const ExecutionResult = require('../logical/ExecutionResult')
const fs = require('fs')

class LocalHost extends Host {
    async execute(command) {
        const result = new ExecutionResult()
        return new Promise((resolve) => {
            child_process.exec(command, (error, stdout, stderr) => {
                result.exit(error ? error.code : 0)
                result.out(stdout)
                result.error(stderr)
                resolve(result)
            })
        })
    }

    async open_file_read_stream(file_path) {
        file_path = typeof file_path === 'string' ? file_path : file_path.path
        return fs.createReadStream(file_path)
    }

    async open_file_write_stream(file_path) {
        file_path = typeof file_path === 'string' ? file_path : file_path.path
        return fs.createWriteStream(file_path)
    }
}

module.exports = exports = LocalHost