import 'typings-global'
import plugins = require('./smartpath.plugins')

/* ------------------------------------------ *
 * ------------ helpers --------------------- *
 * ------------------------------------------ */

// checks a file 
let makeAbsolute = function(localPathArg: string, baseArg?: string): string {
    let absolutePath: string
    let alreadyAbsolute = plugins.path.isAbsolute(localPathArg)
    if (baseArg && !alreadyAbsolute) {
        absolutePath = plugins.path.join(baseArg,localPathArg)
    } else if (!alreadyAbsolute) {
         absolutePath = plugins.path.resolve(localPathArg)
    } else {
        absolutePath = localPathArg
    }
    return absolutePath
}

/* ------------------------------------------ *
 * ------- export functions ----------------- *
 * ------------------------------------------ */
export let toAbsolute = function(relativeArg: string | string[], baseArg?: string): any {
    if (typeof relativeArg === 'string') {
        return makeAbsolute(relativeArg,baseArg)
    } else if (Array.isArray(relativeArg)) {
        let relativeArray = relativeArg
        let absoluteArray: string[] = []
        for (let key in relativeArray) {
            absoluteArray.push(makeAbsolute(relativeArray[key],baseArg))
        }
        return absoluteArray
    } else {
        console.error('smartpath.absolute() could not make sense of the input. ' +
            'Input is neither String nor Array')
        return false
    }
}