'use strict'

performance = do ->
    if window.performance?.now
        window.performance
    else
        Date

logFunc = window['cons' + 'ole']['lo' + 'g']

module.exports = do ->
    if ///chrome|safari///i.test(navigator.userAgent) or webkit?
        (Log) -> class LogBrowser extends Log
            @MARKERS = do ->
                tmp = ['', '']
                marker = (color, style = 'normal', msg) ->
                    tmp[0] = "%c#{msg}"
                    tmp[1] = "color: #{color}; font-weight: #{style}"
                    tmp

                white: marker.bind null, 'black', null
                green: marker.bind null, 'green', null
                gray: marker.bind null, 'gray', null
                blue: marker.bind null, 'blue', null
                yellow: marker.bind null, 'orange', null
                red: marker.bind null, 'red', null
                bold: marker.bind null, 'black', 'bold'

            @time = performance.now.bind performance
            @timeDiff = (since) ->
                LogBrowser.time() - since

            _write: (marker) ->
                logFunc.apply window['cons' + 'ole'], marker

            _writeError: (marker) ->
                @_write marker
    else
        {}