<?php

declare(strict_types=1);

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

use LIT\MCP\Integrations\Divi\Design\VariableBook;
use LIT\MCP\Integrations\Divi\Design\VariableDiff;
use PHPUnit\Framework\TestCase;

final class VariableDiffTest extends TestCase
{
    public function testNoChangeIsAnEmptyDiffEvenWhenOnlyLastUpdatedDiffers(): void
    {
        $book = VariableBook::fromDivi(VariableBookTest::stored());
        $touched = $book->with('numbers', 'gvid-f6yq6mayfy', [
            'label' => 'Eckenradius', 'value' => '8px', 'order' => '1', 'lastUpdated' => '2030-01-01T00:00:00.000Z',
        ]);

        self::assertSame([], VariableDiff::between($book, VariableBook::fromDivi(VariableBookTest::stored())));
        self::assertSame([], VariableDiff::between($book, $touched));
    }

    public function testAddedChangedArchivedAndActivated(): void
    {
        $before = VariableBook::fromDivi(VariableBookTest::stored());
        $after = $before
            ->with('fonts', 'gvid-new0000001', ['label' => 'Neu', 'value' => 'Lato', 'order' => '2'])
            ->with('numbers', 'gvid-f6yq6mayfy', ['label' => 'Radius', 'value' => '12px', 'order' => '1'])
            ->with('numbers', 'gvid-5dec72fwsc', ['label' => 'Abstand Karte', 'value' => '2rem', 'order' => '2',
                'status' => 'archived'])
            ->with('numbers', 'gvid-old0000001', ['label' => 'Alt', 'value' => '1px', 'order' => '3']);

        self::assertSame([
            ['type' => 'fonts', 'id' => 'gvid-new0000001', 'name' => 'Neu', 'action' => 'added'],
            ['type' => 'numbers', 'id' => 'gvid-5dec72fwsc', 'name' => 'Abstand Karte', 'action' => 'archived'],
            ['type' => 'numbers', 'id' => 'gvid-f6yq6mayfy', 'name' => 'Radius', 'action' => 'changed',
                'fields' => ['label', 'value']],
            ['type' => 'numbers', 'id' => 'gvid-old0000001', 'name' => 'Alt', 'action' => 'activated'],
        ], VariableDiff::between($before, $after));
    }

    public function testArchivingClearsTheOrderWithoutAFieldEntryButLabelAndValueChangesShow(): void
    {
        $before = VariableBook::fromDivi(VariableBookTest::stored());
        $archived = $before->with('numbers', 'gvid-5dec72fwsc', [
            'label' => 'Abstand Karte', 'value' => '2rem', 'order' => '', 'status' => 'archived',
        ]);
        $archivedAndRenamed = $before->with('numbers', 'gvid-5dec72fwsc', [
            'label' => 'Abstand', 'value' => '2rem', 'order' => '', 'status' => 'archived',
        ]);

        self::assertSame(
            [['type' => 'numbers', 'id' => 'gvid-5dec72fwsc', 'name' => 'Abstand Karte', 'action' => 'archived']],
            VariableDiff::between($before, $archived)
        );
        self::assertSame(
            [['type' => 'numbers', 'id' => 'gvid-5dec72fwsc', 'name' => 'Abstand', 'action' => 'archived',
                'fields' => ['label']]],
            VariableDiff::between($before, $archivedAndRenamed)
        );
    }

    public function testReorderIsAChangeOfTheOrder(): void
    {
        $before = VariableBook::fromDivi(VariableBookTest::stored());
        $after = $before->with('numbers', 'gvid-5dec72fwsc', [
            'label' => 'Abstand Karte', 'value' => '2rem', 'order' => '1',
        ]);

        self::assertSame(
            [['type' => 'numbers', 'id' => 'gvid-5dec72fwsc', 'name' => 'Abstand Karte', 'action' => 'changed',
                'fields' => ['order']]],
            VariableDiff::between($before, $after)
        );
    }

    public function testGradientsAreComparedLikeEveryOtherType(): void
    {
        $before = VariableBook::fromDivi(VariableBookTest::stored());
        $after = $before->with('gradients', 'gvid-grad000001', [
            'label' => 'Verlauf', 'value' => 'linear-gradient(blue, red)', 'order' => '1',
        ]);

        self::assertSame(
            [['type' => 'gradients', 'id' => 'gvid-grad000001', 'name' => 'Verlauf', 'action' => 'changed',
                'fields' => ['value']]],
            VariableDiff::between($before, $after)
        );
    }

    public function testSummaryCountsTheActions(): void
    {
        self::assertSame(
            'Variablen: 1 angelegt, 1 geändert, 1 archiviert.',
            VariableDiff::summary([['action' => 'added'], ['action' => 'changed'], ['action' => 'archived']])
        );
        self::assertSame(
            'Variablen: 2 geändert, 1 aktiviert.',
            VariableDiff::summary([['action' => 'activated'], ['action' => 'changed'], ['action' => 'changed']])
        );
        self::assertSame('Variablen: keine Änderung.', VariableDiff::summary([]));
    }
}