import { IOptions, Options } from "./options";

/**
 * Responsive options map.
 *
 * @export
 * @class ResponsiveMap
 */
export class ResponsiveMap {
    [breakpoint: string]: IOptions;

    /**
     * Creates an instance of ResponsiveMap.
     * @param {ResponsiveMap} [map] Map to copy properties.
     * @param {IOptions} [globalOptions] Options to use as default.
     * @memberof ResponsiveMap
     */
    constructor(map?: ResponsiveMap, globalOptions?: IOptions) {
        if (map == null) {
            return;
        }

        // Instantiate options keeping global properties.
        for (const breakpoint in map) {
            if (map.hasOwnProperty(breakpoint)) {
                const responsiveOptions = new Options((map as any)[breakpoint]);

                // Copy from global options
                if (globalOptions != null) {
                    for (const prop in globalOptions) {
                        if (
                            globalOptions.hasOwnProperty(prop) &&
                            prop !== "responsive" &&
                            (map as any)[breakpoint][prop] == null
                        ) {
                            (responsiveOptions as any)[prop] = (globalOptions as any)[prop];
                        }
                    }
                }

                (this as any)[breakpoint] = responsiveOptions;
            }
        }
    }
}