/*
*   Turns object of type:
*   {
*       user: true,
*       interests: {
*           sports: true,
*           tv: true,
*       }
*   }
*   into an object of style:
*   {
*       user: { data: undefined, status: undefined },
*       interests: {
*           sports: { data: undefined, status: undefined },
*           tv: { data: undefined, status: undefined },
*       }
*   }
*/

export function generateInitialData(stateStructure) {
    return Object.keys(stateStructure).reduce((state, key) => {
        // Check if an object exists at that key
        if (typeof stateStructure[key] === 'object') {
            // if so recurse on that object
            state[key] = generateInitialData(stateStructure[key]);
        } else {
            // otherwise place data at that point
            state[key] = { data: undefined, status: undefined };
        }
        return state;
    }, {});
}