const REACT_STATICS: {[key: string]: boolean} = {
    childContextTypes: true,
    contextTypes: true,
    defaultProps: true,
    displayName: true,
    getDefaultProps: true,
    mixins: true,
    propTypes: true,
    type: true
};

const KNOWN_STATICS: {[key: string]: boolean} = {
    name: true,
    length: true,
    prototype: true,
    caller: true,
    callee: true,
    arguments: true,
    arity: true
};

const defineProperty = Object.defineProperty;
const getOwnPropertyNames = Object.getOwnPropertyNames;
const getOwnPropertySymbols = Object.getOwnPropertySymbols;
const getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor;
const getPrototypeOf = Object.getPrototypeOf;
const objectPrototype = getPrototypeOf && getPrototypeOf(Object);

export function hoistNonReactStatics(targetComponent: any, sourceComponent: any, blacklist?: any) {
    if (typeof sourceComponent !== 'string') { // don't hoist over string (html) components

        if (objectPrototype) {
            const inheritedComponent = getPrototypeOf(sourceComponent);
            if (inheritedComponent && inheritedComponent !== objectPrototype) {
                hoistNonReactStatics(targetComponent, inheritedComponent, blacklist);
            }
        }

        let keys: Array<any> = getOwnPropertyNames(sourceComponent);

        if (getOwnPropertySymbols) {
            keys = keys.concat(getOwnPropertySymbols(sourceComponent));
        }

        for (let i = 0; i < keys.length; ++i) {
            const key: string = keys[i];
            if (!REACT_STATICS[key] && !KNOWN_STATICS[key] && (!blacklist || !blacklist[key])) {
                const descriptor: any = getOwnPropertyDescriptor(sourceComponent, key);
                try { // Avoid failures from read-only properties
                    defineProperty(targetComponent, key, descriptor);
                } catch (e) {}
            }
        }

        return targetComponent;
    }

    return targetComponent;
}