interface IElement {
  state: string;
  temperature: number;
  warm: (degrees: number) => IElement;
  cool: (degrees: number) => IElement;
  deriveState: (temperature: number) => string;
};

class WaterElement implements IElement {
  private _state = 'liquid';
  private _temperature = 20;

  constructor(temperature: number = 20) {
    this._temperature = temperature;
    this._state = this.deriveState(temperature);
  }

  get state(): string {
    return this._state;
  }

  get temperature(): number {
    return this._temperature;
  }

  deriveState(temperature: number): string {
    if (temperature > 100) return 'gaseous';
    if (temperature > 0 && temperature < 100) return 'liquid';
    return 'solid';
  }

  warm(degrees: number): IElement {
    const temperature = this.temperature + degrees;

    return new WaterElement(temperature);
  }

  cool(degrees: number): IElement {
    const temperature = this.temperature - degrees;

    return new WaterElement(temperature);
  }
}

const liquidWater = new WaterElement(20);
const solidWater = liquidWater.cool(40);
const steamWater = solidWater.warm(150);

console.log(liquidWater.temperature, liquidWater.state);  // 20 liquid
console.log(solidWater.temperature, solidWater.state);    // -20 solid
console.log(steamWater.temperature, steamWater.state);    // 130 gaseous

function AlcoholElement(temperature: number = 20): IElement {
  const state = deriveState(temperature);

  function deriveState(temperature: number): string {
    if (temperature > 78) return 'gaseous';
    if (temperature > -114 && temperature < 78) return 'liquid';
    return 'solid';
  };

  function warm(degrees: number): IElement {
    const _temperature = temperature + degrees;

    return AlcoholElement(_temperature);
  }

  function cool(degrees: number): IElement {
    const _temperature = temperature - degrees;

    return AlcoholElement(_temperature);
  }

  const element = {
    deriveState,
    warm,
    cool
  };

  Object.defineProperties(element, {
    temperature: {
      value: temperature,
      writable: false
    },
    state: {
      value: state,
      writable: false
    }
  });

  return element as IElement;
}

const liquidAlcohol = AlcoholElement(20);
const solidAlcohol = liquidAlcohol.cool(240);
const steamAlcohol = solidAlcohol.warm(450);

console.log(liquidAlcohol.temperature, liquidAlcohol.state);  // 20 liquid
console.log(solidAlcohol.temperature, solidAlcohol.state);    // -220 solid
console.log(steamAlcohol.temperature, steamAlcohol.state);    // 230 gaseous