// 74xx02 emulation 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
function IC74xx02Init() {
  class IC74xx02 extends DILBase {
    constructor(simulator: Simulator, id: string, param: BaseComponentParam) {
      super(simulator, id, 14, param);
    }

    setup(canvas: SVGElement) {
      super.DILBASEsetup('ic14', canvas, '74xx02');
    }

    update(): boolean {
      if (this.startdelay) {
        --this.startdelay;
        return false;
      }
      if (this.getStateWire('p14') !== WireState.high || this.getStateWire('p7') !== WireState.low) return false; // no power
      let oldstate;
      let mod = false;
      let s;
      oldstate = this.getStateWire('p1');
      s = !(
        this.binary(this.getStateWire('p2'), true) !== false || this.binary(this.getStateWire('p3'), true) !== false
      );
      this.stateMapWire.set('p1', s ? WireState.high : WireState.low);
      mod ||= this.getStateWire('p1') !== oldstate;

      oldstate = this.getStateWire('p4');
      s = !(
        this.binary(this.getStateWire('p5'), true) !== false || this.binary(this.getStateWire('p6'), true) !== false
      );
      this.stateMapWire.set('p4', s ? WireState.high : WireState.low);
      mod ||= this.getStateWire('p4') !== oldstate;

      oldstate = this.getStateWire('p10');
      s = !(
        this.binary(this.getStateWire('p8'), true) !== false || this.binary(this.getStateWire('p9'), true) !== false
      );
      this.stateMapWire.set('p10', s ? WireState.high : WireState.low);
      mod ||= this.getStateWire('p10') !== oldstate;

      oldstate = this.getStateWire('p13');
      s = !(
        this.binary(this.getStateWire('p11'), true) !== false || this.binary(this.getStateWire('p12'), true) !== false
      );
      this.stateMapWire.set('p13', s ? WireState.high : WireState.low);
      mod ||= this.getStateWire('p13') !== oldstate;

      this.getPin('p1').setState(this.getStateWire('p1'));
      this.getPin('p4').setState(this.getStateWire('p4'));
      this.getPin('p10').setState(this.getStateWire('p10'));
      this.getPin('p13').setState(this.getStateWire('p13'));
      return mod;
    }
  }
  window.IC74xx02 = IC74xx02;
}

// eslint-disable-next-line @typescript-eslint/no-unused-vars
function IC74xx02Depends() {
  return 'dilbase';
}