import {Latus} from '@latus/core';
import {expect} from 'chai';

import {
  buildExpression,
  buildExpressions,
  buildInvoke,
  buildValue,
} from '../src/builders';

const asyncWait = () => new Promise((resolve) => setTimeout(resolve, 0));

let latus;
let Entity;
beforeEach(async () => {
  latus = Latus.mock({
    '@avocado/behavior': require('../src'),
    '@avocado/entity': require('@avocado/entity'),
    '@avocado/resource': require('@avocado/resource'),
    '@avocado/traits': require('@avocado/traits'),
  });
  await Promise.all(latus.invokeFlat('@latus/core/starting'));
  ({Entity} = latus.get('%resources'));
});
describe('Behaved', () => {
  let entity;
  beforeEach(async () => {
    entity = await Entity.load({
      traits: {
        Behaved: {
          params: {
            routines: {
              initial: buildExpressions([
                buildInvoke(
                  ['entity', 'forceMovement'],
                  [
                    buildValue([10, 0]),
                  ],
                ),
                buildInvoke(
                  ['Timing', 'wait'],
                  [
                    buildValue(1),
                  ],
                ),
              ]),
              another: buildExpressions([
                buildInvoke(
                  ['entity', 'forceMovement'],
                  [
                    buildValue([20, 0]),
                  ],
                ),
              ]),
              one: buildExpressions([
                buildInvoke(
                  ['entity', 'forceMovement'],
                  [
                    buildValue([30, 0]),
                  ],
                ),
                buildInvoke(
                  ['Timing', 'wait'],
                  [
                    buildValue(0),
                  ],
                ),
                buildInvoke(
                  ['entity', 'jumpToRoutine'],
                  [
                    buildValue('two'),
                  ],
                ),
              ]),
              two: buildExpressions([
                buildInvoke(
                  ['entity', 'forceMovement'],
                  [
                    buildValue([40, 0]),
                  ],
                ),
                buildInvoke(
                  ['entity', 'jumpToRoutine'],
                  [
                    buildValue('one'),
                  ],
                ),
              ]),
            },
          },
        },
        Mobile: {},
        Positioned: {},
      },
    });
  });
  it('exists', async () => {
    expect(entity.is('Behaved')).to.be.true;
  });
  if ('client' !== process.env.SIDE) {
    it('runs routines', async () => {
      expect(entity.position).to.deep.equal([0, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.position).to.deep.equal([10, 0]);
      entity.tick(1);
      await asyncWait();
      expect(entity.position).to.deep.equal([10, 0]);
      entity.isBehaving = false;
      entity.tick(1);
      await asyncWait();
      expect(entity.position).to.deep.equal([10, 0]);
      entity.isBehaving = true;
      entity.tick(1);
      await asyncWait();
      expect(entity.position).to.deep.equal([20, 0]);
    });
    it('can change routines', async () => {
      entity.currentRoutine = 'another';
      expect(entity.position).to.deep.equal([0, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.position).to.deep.equal([20, 0]);
    });
    it('allows routines to set routine', async () => {
      entity.currentRoutine = 'one';
      expect(entity.position).to.deep.equal([0, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.currentRoutine).to.equal('one');
      expect(entity.position).to.deep.equal([30, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.currentRoutine).to.equal('one');
      expect(entity.position).to.deep.equal([30, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.currentRoutine).to.equal('two');
      expect(entity.position).to.deep.equal([30, 0]);
      entity.tick(0);
      await asyncWait();
      expect(entity.currentRoutine).to.equal('one');
      expect(entity.position).to.deep.equal([70, 0]);
    });
  }
});