(function(window){
    "use strict";
    var parseInt = window.parseInt

    function solidColor(r,g,b) {
        if (!this) return new solidColor(r,g,b);
        this.type = "solid";
        this.red = r;
        this.green = g;
        this.blue = b;
        Object.freeze(this);
    }
    function alphaColor(r,g,b,a) {
        if (!this) return new alphaColor(r,g,b,a);
        this.type = "alpha";
        this.red = r;
        this.green = g;
        this.blue = b;
        this.alpha = a;
        Object.freeze(this);
    }
    function unknownColor() {
        if (!this) return new unknownColor();
        this.type = "unknown";
        Object.freeze(this);
    }

    function parseHexColor(rawstr) {
        rawstr = rawstr.trim().substring(1);
        if (rawstr.length === 8) {
            return alphaColor(
                parseInt(rawstr.substring(0,2), 16), parseInt(rawstr.substring(2,4), 16),
                parseInt(rawstr.substring(4,6), 16), parseInt(rawstr.substring(4,6), 16)
            );
        } else if (rawstr.length === 4) {
            return alphaColor(
                parseInt(rawstr[0], 16) * 0x11, parseInt(rawstr[1], 16) * 0x11, parseInt(rawstr[2], 16) * 0x11, parseInt(rawstr[3], 16) * 0x11
            );
        } else if (rawstr.length === 6) {
            return solidColor(
                parseInt(rawstr.substring(0,2), 16), parseInt(rawstr.substring(2,4), 16), parseInt(rawstr.substring(4,6), 16)
            );
        } else if (rawstr.length === 3) {
            return alphaColor( parseInt(rawstr[0], 16) * 0x11, parseInt(rawstr[1], 16) * 0x11, parseInt(rawstr[2], 16) * 0x11 );
        }
        return unknownColor();
    }

    // the red component of green
    console.log(parseHexColor("#0f0").red);
    // the alpha of transparent purple
    console.log(parseHexColor("#f0f7").alpha);
    // the entire color for turquoise
    console.log(parseHexColor("#40E0D0"));
})(self);