<?php

declare(strict_types=1);

namespace Kartierung\Analyze;

use Kartierung\Analyze\Exception\InvalidEntity;
use Kartierung\Analyze\Result\EntityField;
use Kartierung\Analyze\Result\EntityResult;
use Kartierung\Analyze\Result\FieldAccess;
use Kartierung\Analyze\Result\Type\ArrayType;
use Kartierung\Analyze\Result\Type\PrimitiveType;
use Kartierung\FullEntity;
use Kartierung\PropertyPropagatedEntity;
use PHPUnit\Framework\TestCase;

class EntityAnalyzerTest extends TestCase
{
    public function testTableNameIsAnalyzed(): void
    {
        // Given
        $entity = FullEntity::class;

        // When
        $result = (new EntityAnalyzer(FullEntity::class))->analyze();

        // Then
        $this->assertEquals('simple-table', $result->tableName);
        $this->assertEquals(FullEntity::class, $result->classFqcn);
    }

    public function testFieldsAreAnalyzed(): void
    {
        // Given
        $entity = FullEntity::class;

        // When
        $result = (new EntityAnalyzer($entity))->analyze();

        // Then
        $this->assertContainsEquals(
            new EntityField(
                name: 'intField',
                type: PrimitiveType::INTEGER,
                columnName: 'int-field',
                isIdField: false,
                readAccess: FieldAccess::GETTER
            ),
            $result->fields
        );
        $this->assertContainsEquals(
            new EntityField(
                name: 'idField',
                type: PrimitiveType::INTEGER,
                columnName: 'renamed-id-field',
                isIdField: true,
                readAccess: FieldAccess::PUBLIC
            ),
            $result->fields
        );
    }

    public function testIdFieldIsFound(): void
    {
        // Given
        $entity = FullEntity::class;

        // When
        $result = (new EntityAnalyzer($entity))->analyze();

        // Then
        $this->assertEquals(
            new EntityField(
                name: 'idField',
                type: PrimitiveType::INTEGER,
                columnName: 'renamed-id-field',
                isIdField: true,
                readAccess: FieldAccess::PUBLIC
            ),
            $result->idField
        );
    }

    public function testNoIdIsInvalid(): void
    {
        // Given
        $entity = EntityWithoutId::class;

        // Then
        $this->expectException(InvalidEntity::class);

        // When
        (new EntityAnalyzer($entity))->analyze();
    }

    public function testMultipleIdsIsInvalid(): void
    {
        // Given
        $entity = EntityWithTwoIds::class;

        // Then
        $this->expectException(InvalidEntity::class);

        // When
        (new EntityAnalyzer($entity))->analyze();
    }

    public function testTableAttributeIsOptional(): void
    {
        // Given
        $entity = EntityWithoutTableAttribute::class;

        // When
        $result = (new EntityAnalyzer($entity))->analyze();

        // Then
        $this->assertEquals("EntityWithoutTableAttribute", $result->tableName);
    }

    public function testArrayOfChildEntities(): void
    {
        // Given
        $entity = EntityWithListOfFullEntities::class;

        // When
        $result = (new EntityAnalyzer($entity))->analyze();

        // Then
        $this->assertEquals(
            new EntityField(
                name: 'id',
                type: PrimitiveType::INTEGER,
                columnName: 'id',
                isIdField: true,
                readAccess: FieldAccess::PUBLIC
            ),
            $result->fields[0]
        );
        $this->assertEquals(
            new EntityField(
                name: 'children',
                type: new ArrayType(
                    new EntityResult(
                        classFqcn: IdOnlyEntity::class,
                        tableName: 'IdOnlyEntity',
                        fields: [
                            new EntityField(
                                name: 'id',
                                type: PrimitiveType::INTEGER,
                                columnName: 'id',
                                isIdField: true,
                                readAccess: FieldAccess::PUBLIC
                            )
                        ],
                        idField: new EntityField(
                            name: 'id',
                            type: PrimitiveType::INTEGER,
                            columnName: 'id',
                            isIdField: true,
                            readAccess: FieldAccess::PUBLIC
                        )
                    )
                ),
                columnName: 'children',
                isIdField: false,
                readAccess: FieldAccess::PUBLIC
            ),
            $result->fields[1]
        );
    }
}