import * as plugins from './npmci.plugins'

let nvmSourceString: string = ''
export let nvmAvailable: boolean = false
let checkNvm = () => {
    if (plugins.shelljs.exec(`bash -c "source /usr/local/nvm/nvm.sh"`,{silent: true}).code === 0) {
        nvmSourceString = `source /usr/local/nvm/nvm.sh && `
        nvmAvailable = true
    } else if (plugins.shelljs.exec(`bash -c "source ~/.nvm/nvm.sh"`,{silent: true}).code === 0) {
        nvmSourceString = `source ~/.nvm/nvm.sh && `
        nvmAvailable = true
    };
}
checkNvm()

export let bash = (commandArg: string, retryArg = 2, bareArg = false): string => {
    let exitCode: number
    let stdOut: string
    let execResult
    if (!process.env.NPMTS_TEST) { // NPMTS_TEST is used during testing
        for (let i = 0; i <= retryArg; i++) {
            if (!bareArg) {
                execResult = plugins.shelljs.exec(
                    `bash -c "${nvmSourceString} ${commandArg}"`
                )
            } else {
                execResult = plugins.shelljs.exec(commandArg)
            }
            exitCode = execResult.code
            stdOut = execResult.stdout
            if (exitCode !== 0 && i === retryArg) {
                process.exit(1)
            } else if (exitCode === 0) {
                i = retryArg + 1 // if everything works out ok retrials are not wanted
            } else {
                plugins.beautylog.warn('Something went wrong! Exit Code: ' + exitCode.toString())
                plugins.beautylog.info('Retry ' + (i + 1).toString() + ' of ' + retryArg.toString())
            }
        }
    } else {
        plugins.beautylog.log('ShellExec would be: ' + commandArg)
    }
    return stdOut
}

export let bashBare = (commandArg, retryArg = 2) => {
    return bash(commandArg, retryArg, true)
}