import { Evaluator, type ExpressionSource, Scope } from '../dist/index.js';

const e = new Evaluator({
    logger: undefined,
});
const en = new Evaluator({
    logger: {
        warn: () => void 0,
        error: () => void 0,
        info: () => void 0,
        debug: () => void 0,
    },
});
const s = new Scope(undefined, false);

describe('Evaluate conditions', () => {
    it('can evaluate boolean literals', () => {
        expect(e.evaluateCondition(true, s)).toBe(true);
        expect(e.evaluateCondition(false, s)).toBe(false);
    });
    it('can evaluate empty literals', () => {
        expect(e.evaluateCondition(null, s)).toBe(true);
        expect(e.evaluateCondition(undefined, s)).toBe(true);
    });
    it('can evaluate well known strings', () => {
        expect(e.evaluateCondition('' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('true' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('false' as ExpressionSource<boolean>, s)).toBe(false);
    });
    it('can evaluate to boolean', () => {
        expect(e.evaluateCondition('(false)' as ExpressionSource<boolean>, s)).toBe(false);
        expect(e.evaluateCondition('(true)' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('(false)' as ExpressionSource<boolean>, s, false)).toBe(false);
        expect(e.evaluateCondition('(true)' as ExpressionSource<boolean>, s, false)).toBe(true);
    });
    it('can evaluate to nil', () => {
        expect(e.evaluateCondition('{}' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('{}' as ExpressionSource<boolean>, s, false)).toBe(false);
    });
    it('do not convert to boolean', () => {
        expect(en.evaluateCondition('""' as ExpressionSource<boolean>, s)).toBe(true);
        expect(en.evaluateCondition('nil' as ExpressionSource<boolean>, s)).toBe(true);
        expect(en.evaluateCondition('undefined' as ExpressionSource<boolean>, s)).toBe(true);
        expect(en.evaluateCondition('0' as ExpressionSource<boolean>, s)).toBe(true);
        expect(en.evaluateCondition('nan' as ExpressionSource<boolean>, s)).toBe(true);

        expect(en.evaluateCondition('""' as ExpressionSource<boolean>, s, false)).toBe(false);
        expect(en.evaluateCondition('nil' as ExpressionSource<boolean>, s, false)).toBe(false);
        expect(en.evaluateCondition('undefined' as ExpressionSource<boolean>, s, false)).toBe(false);
        expect(en.evaluateCondition('0' as ExpressionSource<boolean>, s, false)).toBe(false);
        expect(en.evaluateCondition('nan' as ExpressionSource<boolean>, s, false)).toBe(false);
    });
    it('can evaluate complex', () => {
        expect(e.evaluateCondition('12>3' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('12<3' as ExpressionSource<boolean>, s)).toBe(false);
        expect(e.evaluateCondition('12==3' as ExpressionSource<boolean>, s)).toBe(false);
        expect(e.evaluateCondition('12!=3' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('12>=3' as ExpressionSource<boolean>, s)).toBe(true);
        expect(e.evaluateCondition('12<=3' as ExpressionSource<boolean>, s)).toBe(false);
    });
    it('can return default on error', () => {
        expect(en.evaluateCondition('12>>3' as ExpressionSource<boolean>, undefined, true)).toBe(true);
        expect(en.evaluateCondition('12>>3' as ExpressionSource<boolean>, null, false)).toBe(false);
    });
});