// 3-pin jumper component for the LogicSimulator
// Copyright (C) 2022 Sascha Nitsch

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

// eslint-disable-next-line @typescript-eslint/no-unused-vars
class Jumper3 extends BaseComponent {
  private pressed = false;
  private text: NodeList | null = null;
  private l: HTMLElement | null = null;
  private r: HTMLElement | null = null;
  private p1 = WireState.float;
  private p2 = WireState.float;
  private p3 = WireState.float;
  constructor(simulator: Simulator, id: string, param: BaseComponentParam) {
    super(simulator, id, param);

    if (this.breadboard) {
      this.pins.set('p1', new TriState(this, 0, -5.08 * 3));
      this.pins.set('p2', new TriState(this, 10.16, 5.08 * 3));
      this.pins.set('p3', new TriState(this, 0, -5.08 * 3));
    } else {
      this.pins.set('p1', new TriState(this, -30, 0));
      this.pins.set('p2', new TriState(this, 0, 20));
      this.pins.set('p3', new TriState(this, 30, 0));
    }
  }

  setup(canvas: SVGElement) {
    super.doSetup('jumper3', canvas);
    if (!this.element) return;
    this.text = this.element.querySelectorAll('.inner');
    this.element.addEventListener('mousedown', this.activate.bind(this));
    this.l = <HTMLElement>this.element.querySelectorAll('.l')[0];
    this.r = <HTMLElement>this.element.querySelectorAll('.r')[0];
    this.updateSwitch();
  }

  updateSwitch() {
    if (!this.r || !this.l) return;
    if (this.pressed) {
      this.r.classList.add('hidden');
      this.l.classList.remove('hidden');
    } else {
      this.l.classList.add('hidden');
      this.r.classList.remove('hidden');
    }
  }

  activate(e: MouseEvent) {
    e.preventDefault();
    this.pressed = !this.pressed;
    if (this.text && this.text.length > 0) {
      // document.text = this.text;
      if (this.breadboard) {
        this.text[1].textContent = this.pressed ? '1' : '0';
      } else {
        this.text[0].textContent = this.pressed ? '---' : '] [';
      }
    }
    this.updateSwitch();
    this.simulator.manualtick();
  }

  io() {
    /*this.state.a = this.a.getAndReset();
    this.state.b = this.b.getAndReset();*/
    this.p1 = this.getPin('p1').getAndReset();
    this.p2 = this.getPin('p2').getAndReset();
    this.p3 = this.getPin('p3').getAndReset();
  }

  update(): boolean {
    const oldstate = this.p2;
    const state = this.pressed ? this.p1 : this.p3;
    this.getPin('p2').setState(state);
    return state !== oldstate;
  }
}