import { Decimal } from 'decimal.js';
import { describe, expect, it } from 'vitest';
import { Bloc } from '../../src/domain/bloc.js';
import { Module } from '../../src/domain/module.js';

const makeModule = (id: number, h: number) =>
  new Module({ id, blocId: 1, nom: `M${id}`, heuresPrevues: new Decimal(h) });

describe('Bloc', () => {
  it('cree un bloc vide', () => {
    const b = new Bloc({ id: 1, formationId: 100, nom: 'B1', heuresPrevues: new Decimal(120) });
    expect(b.modules.length).toBe(0);
    expect(b.heuresAttribuees().toNumber()).toBe(0);
    expect(b.heuresRestantes().toNumber()).toBe(120);
  });

  it('throw si heuresPrevues < 0', () => {
    expect(
      () => new Bloc({ id: 1, formationId: 100, nom: 'B1', heuresPrevues: new Decimal(-1) }),
    ).toThrow();
  });

  it('ajouterModule rollup correct', () => {
    const b = new Bloc({ id: 1, formationId: 100, nom: 'B1', heuresPrevues: new Decimal(120) });
    b.ajouterModule(makeModule(1, 40));
    b.ajouterModule(makeModule(2, 60));
    expect(b.heuresAttribuees().toNumber()).toBe(100);
    expect(b.heuresRestantes().toNumber()).toBe(20);
  });

  it('throw si module duplique', () => {
    const b = new Bloc({ id: 1, formationId: 100, nom: 'B1', heuresPrevues: new Decimal(120) });
    b.ajouterModule(makeModule(1, 40));
    expect(() => b.ajouterModule(makeModule(1, 10))).toThrow(/deja present/);
  });

  it('throw si capacite bloc depassee', () => {
    const b = new Bloc({ id: 1, formationId: 100, nom: 'B1', heuresPrevues: new Decimal(50) });
    b.ajouterModule(makeModule(1, 30));
    expect(() => b.ajouterModule(makeModule(2, 30))).toThrow(/depassee/);
  });
});