var path = require('path'); var fs = require('fs'); var _0777 = parseInt('0777', 8);

module.exports = mkdirP.mkdirp = mkdirP.mkdirP = mkdirP;

function mkdirP (p, opts, f, made) {

if (typeof opts === 'function') {
    f = opts;
    opts = {};
}
else if (!opts || typeof opts !== 'object') {
    opts = { mode: opts };
}

var mode = opts.mode;
var xfs = opts.fs || fs;

if (mode === undefined) {
    mode = _0777 & (~process.umask());
}
if (!made) made = null;

var cb = f || function () {};
p = path.resolve(p);

xfs.mkdir(p, mode, function (er) {
    if (!er) {
        made = made || p;
        return cb(null, made);
    }
    switch (er.code) {
        case 'ENOENT':
            mkdirP(path.dirname(p), opts, function (er, made) {
                if (er) cb(er, made);
                else mkdirP(p, opts, cb, made);
            });
            break;

        // In the case of any other error, just see if there's a dir
        // there already.  If so, then hooray!  If not, then something
        // is borked.
        default:
            xfs.stat(p, function (er2, stat) {
                // if the stat fails, then that's super weird.
                // let the original error be the failure reason.
                if (er2 || !stat.isDirectory()) cb(er, made)
                else cb(null, made);
            });
            break;
    }
});

}

mkdirP.sync = function sync (p, opts, made) {

if (!opts || typeof opts !== 'object') {
    opts = { mode: opts };
}

var mode = opts.mode;
var xfs = opts.fs || fs;

if (mode === undefined) {
    mode = _0777 & (~process.umask());
}
if (!made) made = null;

p = path.resolve(p);

try {
    xfs.mkdirSync(p, mode);
    made = made || p;
}
catch (err0) {
    switch (err0.code) {
        case 'ENOENT' :
            made = sync(path.dirname(p), opts, made);
            sync(p, opts, made);
            break;

        // In the case of any other error, just see if there's a dir
        // there already.  If so, then hooray!  If not, then something
        // is borked.
        default:
            var stat;
            try {
                stat = xfs.statSync(p);
            }
            catch (err1) {
                throw err0;
            }
            if (!stat.isDirectory()) throw err0;
            break;
    }
}

return made;

};