import { expect, test } from 'bun:test';
import { TestPrograms } from './programs';
import { peggyParse } from '@/parser';
import {
  evaluate,
  type DenotableFunctionSignature,
  matchSignature,
} from '@/interpreter';
import { testingLogger } from './logger';

test('matches simple signatures', async () => {
  const simpleSignature: DenotableFunctionSignature[] = [
    {
      arguments: ['int'],
      return: 'int',
    },
  ];

  expect(matchSignature(['int'], simpleSignature)).toEqual(simpleSignature[0]);
});

test('finds first match', async () => {
  const simpleSignature: DenotableFunctionSignature[] = [
    {
      arguments: ['int', 'int'],
      return: 'int',
    },
    {
      arguments: [['int', 'real'], 'int'],
      return: 'real',
    },
  ];

  expect(matchSignature(['int', 'int'], simpleSignature)).toEqual(
    simpleSignature[0],
  );

  expect(matchSignature(['real', 'int'], simpleSignature)).toEqual(
    simpleSignature[1],
  );
});