import { describe, expect, it } from 'vitest';
import { aspMax, atBasis, aupMax, fkBasis, lepMax, paBasis, computeDerived } from '$lib/engine/derived';
import { newCharacter } from '$lib/characters/default';

describe('derived', () => {
	it('computes AT/PA/FK basis for default human', () => {
		const c = newCharacter({ name: 'Test', id: '00000000-0000-4000-8000-000000000001' });
		expect(atBasis(c)).toBe(Math.round((11 + 11 + 11) / 5));
		expect(paBasis(c)).toBe(Math.round((11 + 11 + 11) / 5));
		expect(fkBasis(c)).toBe(Math.round((11 + 11 + 11) / 5));
	});

	it('includes race LeP bonus for human', () => {
		const c = newCharacter({ name: 'H', id: '00000000-0000-4000-8000-000000000002' });
		c.meta.rasse = 'Mittelländer';
		const ko = 12;
		const kk = 13;
		c.eigenschaften.KO = { startwert: ko, mod: 0 };
		c.eigenschaften.KK = { startwert: kk, mod: 0 };
		const base = Math.round((2 * ko + kk) / 2);
		expect(lepMax(c)).toBe(base + 10 + c.energien.lep.mod);
	});

	it('computes aspMax as round((MU+IN+CH)/2) plus race and mod', () => {
		const c = newCharacter({ id: '00000000-0000-4000-8000-000000000004' });
		c.energien.asp = { mod: 0 };
		c.eigenschaften.MU = { startwert: 12, mod: 0 };
		c.eigenschaften.IN = { startwert: 14, mod: 0 };
		c.eigenschaften.CH = { startwert: 10, mod: 0 };
		const base = Math.round((12 + 14 + 10) / 2);
		expect(aspMax(c)).toBe(base + c.energien.asp.mod);
	});

	it('computes aupMax as round((MU+KO+GE)/2) plus race and mod', () => {
		const c = newCharacter({ id: '00000000-0000-4000-8000-000000000005' });
		c.meta.rasse = 'mensch01';
		c.eigenschaften.MU = { startwert: 13, mod: 0 };
		c.eigenschaften.KO = { startwert: 12, mod: 0 };
		c.eigenschaften.GE = { startwert: 11, mod: 0 };
		const base = Math.round((13 + 12 + 11) / 2);
		expect(aupMax(c)).toBe(base + 10 + c.energien.aup.mod);
	});

	it('computeDerived returns all keys', () => {
		const c = newCharacter({ id: '00000000-0000-4000-8000-000000000003' });
		const d = computeDerived(c);
		expect(d.atBasis).toBeTypeOf('number');
		expect(d.fkBasis).toBeTypeOf('number');
		expect(d.lepMax).toBeTypeOf('number');
	});
});