<?php

declare(strict_types=1);

use App\Application\Admin\Cms\Services\ContentPreviewService;
use App\Application\LiveComponents\Admin\BlockEditor\BlockEditorComponent;
use App\Application\LiveComponents\Admin\BlockEditor\BlockEditorState;
use App\Domain\Cms\Services\BlockTemplateService;
use App\Domain\Cms\Services\BlockTypeRegistry;
use App\Framework\LiveComponents\ComponentRegistry;
use App\Framework\LiveComponents\ValueObjects\ComponentId;

describe('BlockEditorComponent', function () {
    beforeEach(function () {
        $this->componentId = ComponentId::generate('admin-block-editor');
        $this->blockTypeRegistry = new BlockTypeRegistry();
        $this->componentRegistry = Mockery::mock(ComponentRegistry::class);
        
        // Mock ContentPreviewService
        $this->previewService = Mockery::mock(ContentPreviewService::class);
        $this->previewService
            ->shouldReceive('renderPreview')
            ->andReturn('<div>Preview HTML</div>');
        
        // Mock BlockTemplateService
        $this->templateService = Mockery::mock(BlockTemplateService::class);
        $this->templateService
            ->shouldReceive('getAllTemplates')
            ->andReturn([
                'landing-page' => [
                    'name' => 'Landing Page',
                    'description' => 'Test template',
                    'blocks' => [],
                ],
            ]);
        
        $this->state = BlockEditorState::empty();
    });

    it('creates component with initial state', function () {
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        expect($component->id)->toBe($this->componentId);
        expect($component->state)->toBe($this->state);
    });

    it('adds a new block', function () {
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $newState = $component->addBlock('hero');

        expect($newState->blocks)->toHaveCount(1);
        expect($newState->blocks[0]['type'])->toBe('hero');
    });

    it('does not add block for invalid block type', function () {
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $newState = $component->addBlock('invalid-type');

        expect($newState->blocks)->toBeEmpty();
    });

    it('removes a block', function () {
        $state = $this->state->withBlockAdded('hero', ['title' => 'Test']);
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $blockId = $state->blocks[0]['id'];
        $newState = $component->removeBlock($blockId);

        expect($newState->blocks)->toBeEmpty();
    });

    it('updates block field', function () {
        $state = $this->state->withBlockAdded('text', ['content' => 'Old content']);
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $blockId = $state->blocks[0]['id'];
        $newState = $component->updateBlockField($blockId, 'content', 'New content');

        expect($newState->blocks[0]['data']['content'])->toBe('New content');
    });

    it('reorders blocks', function () {
        $state = $this->state
            ->withBlockAdded('hero', ['title' => 'Hero'])
            ->withBlockAdded('text', ['content' => 'Text']);
        
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $blockIds = array_map(fn ($block) => $block['id'], $state->blocks);
        $reorderedIds = array_reverse($blockIds);
        
        $newState = $component->reorderBlocks($reorderedIds);

        expect($newState->blocks[0]['type'])->toBe('text');
        expect($newState->blocks[1]['type'])->toBe('hero');
    });

    it('toggles preview mode', function () {
        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $newState = $component->togglePreview();

        expect($newState->isPreviewMode)->toBeTrue();
        expect($newState->previewHtml)->not->toBeNull();
    });

    it('applies template', function () {
        $this->templateService
            ->shouldReceive('hasTemplate')
            ->with('landing-page')
            ->andReturn(true);
        
        $this->templateService
            ->shouldReceive('getTemplate')
            ->with('landing-page')
            ->andReturn([
                'name' => 'Landing Page',
                'description' => 'Test',
                'blocks' => [
                    [
                        'type' => 'hero',
                        'data' => ['title' => 'Hero Title'],
                    ],
                ],
            ]);

        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $newState = $component->applyTemplate('landing-page');

        expect($newState->blocks)->not->toBeEmpty();
        expect($newState->blocks[0]['type'])->toBe('hero');
    });

    it('does not apply invalid template', function () {
        $this->templateService
            ->shouldReceive('hasTemplate')
            ->with('invalid')
            ->andReturn(false);

        $component = new BlockEditorComponent(
            id: $this->componentId,
            state: $this->state,
            blockTypeRegistry: $this->blockTypeRegistry,
            previewService: $this->previewService,
            componentRegistry: $this->componentRegistry,
            templateService: $this->templateService
        );

        $newState = $component->applyTemplate('invalid');

        expect($newState->blocks)->toBeEmpty();
    });
});