<?php

use PHPUnit\Framework\TestCase;
use Tests\Classes\ParameterKeyTestClass;
use Tests\Aspects\ParameterKeyAspect;

final class ParameterKeyTest extends TestCase
{
    private ParameterKeyTestClass $instance;

    protected function setUp(): void
    {
        $this->instance = new ParameterKeyTestClass();
        ParameterKeyAspect::reset();
    }

    public function testBeforeReceivesAssociativeArrayWithParameterNames(): void
    {
        $this->instance->methodWithNamedParams('John', 'Doe', 30);

        // Verify that the keys are parameter names, not numeric indices
        $this->assertEquals(['firstName', 'lastName', 'age'], ParameterKeyAspect::$capturedKeys);

        // Verify the values are correctly mapped to parameter names
        $this->assertEquals('John', ParameterKeyAspect::$capturedArgs['firstName']);
        $this->assertEquals('Doe', ParameterKeyAspect::$capturedArgs['lastName']);
        $this->assertEquals(30, ParameterKeyAspect::$capturedArgs['age']);
    }

    public function testSingleParameterHasCorrectKey(): void
    {
        $testData = ['key1' => 'value1', 'key2' => 'value2'];
        $this->instance->methodWithSingleParam($testData);

        // Verify the parameter name is used as the key
        $this->assertEquals(['data'], ParameterKeyAspect::$capturedKeys);
        $this->assertEquals($testData, ParameterKeyAspect::$capturedArgs['data']);
    }

    public function testMixedTypesHaveCorrectKeys(): void
    {
        $metadata = (object) ['info' => 'test'];
        $this->instance->methodWithMixedTypes(42, 'TestName', true, $metadata);

        // Verify all parameter names are present as keys
        $this->assertEquals(['id', 'name', 'active', 'metadata'], ParameterKeyAspect::$capturedKeys);

        // Verify each parameter value is accessible by its name
        $this->assertEquals(42, ParameterKeyAspect::$capturedArgs['id']);
        $this->assertEquals('TestName', ParameterKeyAspect::$capturedArgs['name']);
        $this->assertTrue(ParameterKeyAspect::$capturedArgs['active']);
        $this->assertSame($metadata, ParameterKeyAspect::$capturedArgs['metadata']);
    }

    public function testParametersCanBeAccessedByName(): void
    {
        $this->instance->methodWithNamedParams('Jane', 'Smith', 25);

        // Verify we can access parameters by their name using array key syntax
        $this->assertArrayHasKey('firstName', ParameterKeyAspect::$capturedArgs);
        $this->assertArrayHasKey('lastName', ParameterKeyAspect::$capturedArgs);
        $this->assertArrayHasKey('age', ParameterKeyAspect::$capturedArgs);

        // Verify numeric keys do NOT exist
        $this->assertArrayNotHasKey(0, ParameterKeyAspect::$capturedArgs);
        $this->assertArrayNotHasKey(1, ParameterKeyAspect::$capturedArgs);
        $this->assertArrayNotHasKey(2, ParameterKeyAspect::$capturedArgs);
    }
}