import { position, place_top } from "./position.js";
import { size, auto } from "./size.js";

class sticky {
    #width;
    #height;
    #position;
    
    constructor() {
        this.#width = new auto();
        this.#height = new auto();
        this.#position = new place_top();
    }

    set width(value) {
        if (!(value instanceof size)) {
            throw "Width must be instance of size.";
        }
        
        this.#width = value;
    }

    set height(value) {
        if (!(value instanceof size)) {
            throw "Height must be instance of size.";
        }

        this.#height = value;
    }

    set position(value) {
        if (!(value instanceof position)) {
            throw "Position must be instance of position class.";
        }

        this.#position = value;
    }

    get element() {
        const container = document.createElement("div");
        
        container.style.width = this.#width.as_css;
        container.style.height = this.#height.as_css;
        
        container.style.position = "fixed";
        container.style.top = this.#position.top_css;
        container.style.bottom = this.#position.bottom_css;
        container.style.right = this.#position.right_css;
        container.style.left = this.#position.left_css;

        return container;
    }
}

export { sticky };