<?php

declare(strict_types=1);

namespace App\Tests\Model\Questionnaire;

use App\Enum\ConditionOperator;
use App\Model\Questionnaire\Condition;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;

class ConditionTest extends TestCase
{
    #[DataProvider('provideAnswers')]
    public function testIsMet(ConditionOperator $operator, string|array|int $value, mixed $answer, bool $expected): void
    {
        $condition = new Condition('controlling', $operator, $value);

        $this->assertSame($expected, $condition->isMet(['controlling' => $answer]));
    }

    public static function provideAnswers(): iterable
    {
        yield 'equals, matching' => [ConditionOperator::EQUALS, 'yes', 'yes', true];
        yield 'equals, other option' => [ConditionOperator::EQUALS, 'yes', 'no', false];
        yield 'in, listed' => [ConditionOperator::IN, ['bad', 'very_bad'], 'bad', true];
        yield 'in, not listed' => [ConditionOperator::IN, ['bad', 'very_bad'], 'good', false];
        yield 'lte, below' => [ConditionOperator::LTE, 3, 1, true];
        yield 'lte, at the limit' => [ConditionOperator::LTE, 3, 3, true];
        yield 'lte, above' => [ConditionOperator::LTE, 3, 4, false];
        // A string "2" is not what the form or the stored JSON hands over for a rating, so it
        // must not open a follow-up by accident.
        yield 'lte, not an int' => [ConditionOperator::LTE, 3, '2', false];
    }

    /**
     * An unanswered rating is not "3 or less": the low-rating follow-up must not demand a reason
     * before a rating was given.
     */
    #[DataProvider('provideOperators')]
    public function testUnansweredIsNeverMet(ConditionOperator $operator, string|array|int $value): void
    {
        $condition = new Condition('controlling', $operator, $value);

        $this->assertFalse($condition->isMet([]));
        $this->assertFalse($condition->isMet(['controlling' => null]));
    }

    public static function provideOperators(): iterable
    {
        yield 'equals' => [ConditionOperator::EQUALS, 'yes'];
        yield 'in' => [ConditionOperator::IN, ['yes']];
        yield 'lte' => [ConditionOperator::LTE, 3];
    }
}