import { MuiIcon, Factory } from "./factories/abstractFactory";

class MuiFactory implements Factory {
  private static instance: MuiFactory;

  private registry: Map<string, JSX.Element>;

  private constructor() { 
    this.registry = new Map() 
  }

  public static getInstance(): MuiFactory {
    if (!MuiFactory.instance) {
      MuiFactory.instance = new MuiFactory();
    }
  
    return MuiFactory.instance;
  }

  public register(icons: MuiIcon[]): void {
    icons.forEach((muiIcon: MuiIcon) => {
      const { name, icon } = muiIcon;
      this.registry.set(name, icon)
    })
  }

  public get(name: string): JSX.Element | undefined {
    if (!this.registry.has(name)) {
      console.warn(`we could not find ${name}. Did you add it to the registry?`)
    }
    return this.registry.get(name);
  }
}

export default MuiFactory;