import fs from 'fs'

const DEFAULT_SECRETS_PATH = '/etc/p42/secrets.env'

function stripQuotes(value) {
    if(
        (value.startsWith('"') && value.endsWith('"')) ||
        (value.startsWith("'") && value.endsWith("'"))
    ) {
        return(value.slice(1, -1))
    }
    return(value)
}

export function loadP42Secrets(filePath = DEFAULT_SECRETS_PATH) {
    if(process.env.mysql_user && process.env.mysql_pass) return(true)

    if(!fs.existsSync(filePath)) return(false)

    const text = fs.readFileSync(filePath, 'utf8')
    for(const rawLine of text.split('\n')) {
        const line = rawLine.trim()
        if(!line || line.startsWith('#')) continue
        const eq = line.indexOf('=')
        if(eq < 1) continue
        const key = line.slice(0, eq).trim()
        const value = stripQuotes(line.slice(eq + 1).trim())
        if(key === 'mysql_user' || key === 'mysql_pass') {
            process.env[key] = value
        }
    }

    return(Boolean(process.env.mysql_user && process.env.mysql_pass))
}