<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Integrations\Divi\Pages;

use LIT\MCP\Integrations\Divi\Design\DesignSystemReader;
use LIT\MCP\Integrations\Divi\Pages\DiviNodeGetAbility;
use LIT\MCP\Integrations\Divi\Pages\DiviOutlineAbility;
use LIT\MCP\Integrations\Divi\Pages\DiviPageLoader;
use LIT\MCP\Tests\Unit\Integrations\Divi\Design\DesignSystemTest;
use LIT\MCP\Tests\Unit\TestCase;
use Mockery;
use stdClass;

final class DiviReadAbilitiesTest extends TestCase
{
    private function design(): DesignSystemReader
    {
        $reader = Mockery::mock(DesignSystemReader::class);
        $reader->allows('read')->andReturn(DesignSystemTest::sample());

        return $reader;
    }

    public function testOutlineListsNodesWithTreeRevAndPostRev(): void
    {
        $content = DiviPageLoaderTest::fixture('synthetic-basic.html');
        DiviPageLoaderTest::givenPost($content);
        $ability = new DiviOutlineAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());

        self::assertTrue($ability->permission(['post_id' => 7]));
        $result = $ability->execute(['post_id' => 7]);

        self::assertSame(substr(hash('sha256', $content), 0, 12), $result['tree_rev']);
        self::assertSame(12, strlen($result['rev']));
        self::assertNotSame($result['tree_rev'], $result['rev']);
        self::assertCount(16, $result['nodes']);
        self::assertStringStartsWith('s0 section "Hero"', $result['outline']);
        self::assertSame([], $result['hints']);
        self::assertTrue($ability->isDirect());
        self::assertTrue($ability->annotations()['readonly']);
    }

    public function testOutlineOfASubtreeAndUnknownNode(): void
    {
        DiviPageLoaderTest::givenPost(DiviPageLoaderTest::fixture('synthetic-basic.html'));
        $ability = new DiviOutlineAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());

        $result = $ability->execute(['post_id' => 7, 'id' => 's1', 'depth' => 1]);
        self::assertSame(['s1', 's1.r0'], array_column($result['nodes'], 'id'));

        $missing = $ability->execute(['post_id' => 7, 'id' => 's7']);
        self::assertSame('lit_not_found', $missing->get_error_code());
        self::assertStringContainsString('tree_rev', $missing->get_error_message());
    }

    public function testOutlineValidatesTheSubtreeId(): void
    {
        DiviPageLoaderTest::givenPost(DiviPageLoaderTest::fixture('synthetic-basic.html'));
        $ability = new DiviOutlineAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());

        self::assertSame(
            'lit_validation_failed',
            $ability->execute(['post_id' => 7, 'id' => 'hero'])->get_error_code()
        );
    }

    public function testOutlineHintsForEmptyAndReadOnlyContent(): void
    {
        DiviPageLoaderTest::givenPost('');
        $ability = new DiviOutlineAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());
        self::assertSame(['Die Seite hat noch keinen Divi-Inhalt.'], $ability->execute(['post_id' => 7])['hints']);

        DiviPageLoaderTest::givenPost(DiviPageLoaderTest::fixture('synthetic-mixed.html'));
        $hints = $ability->execute(['post_id' => 7])['hints'];
        self::assertStringContainsString('nur lesbar', $hints[0]);
    }

    public function testNodeGetReturnsFullFormShortformAndPresets(): void
    {
        DiviPageLoaderTest::givenPost(DiviPageLoaderTest::fixture('synthetic-basic.html'));
        $ability = new DiviNodeGetAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());

        $heading = $ability->execute(['post_id' => 7, 'id' => 's0.r0.c1.m0']);

        self::assertSame('heading', $heading['type']);
        self::assertSame('s0.r0.c1', $heading['parent']);
        self::assertSame(12, strlen($heading['rev']));
        self::assertSame(
            ['desktop' => ['value' => ['headingLevel' => 'h1', 'color' => '#1a1a1a']], 'phone' => ['value' => ['size' => '28px']]],
            $heading['attrs']['title.decoration.font.font']
        );
        self::assertSame(['text' => 'Willkommen bei Müller & Söhne', 'level' => 'h1'], $heading['shortform']);
        self::assertSame([['id' => 'a1b2c3d4-e5f6-4a7b-8c9d-0e1f2a3b4c5d', 'name' => '']], $heading['presets']);
        self::assertSame('5.2.1', $heading['builder_version']);

        $accordion = $ability->execute(['post_id' => 7, 'id' => 's1.r0.c1.m0']);
        self::assertSame(['s1.r0.c1.m0.m0', 's1.r0.c1.m0.m1'], $accordion['children']);
        self::assertInstanceOf(stdClass::class, $accordion['shortform']);
    }

    public function testNodeGetValidatesTheId(): void
    {
        DiviPageLoaderTest::givenPost(DiviPageLoaderTest::fixture('synthetic-basic.html'));
        $ability = new DiviNodeGetAbility(new DiviPageLoader(DiviPageLoaderTest::schema()), $this->design());

        self::assertSame('lit_validation_failed', $ability->execute(['post_id' => 7, 'id' => 'hero'])->get_error_code());
        self::assertSame('lit_not_found', $ability->execute(['post_id' => 7, 'id' => 's5.r0'])->get_error_code());
    }
}