<?php

use App\Models\Artwork;
use App\Models\ArtworkComment;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;

uses(RefreshDatabase::class);

it('omits comments from the initial artwork page and does not query them', function (): void {
    $artwork = Artwork::factory()->create([
        'slug' => 'm18h1-deferred-comments',
    ]);
    ArtworkComment::factory()->count(2)->create(['artwork_id' => $artwork->id]);

    DB::enableQueryLog();
    DB::flushQueryLog();

    $response = $this->get(route('art.show', ['id' => $artwork->id, 'slug' => $artwork->slug]))->assertOk();
    $queries = collect(DB::getQueryLog());
    DB::disableQueryLog();

    expect($response->getContent())->not->toContain('"comments"')
        ->and($queries->filter(fn (array $query): bool => str_contains(strtolower($query['query']), 'artwork_comments'))->count())->toBe(0);
});

it('keeps the existing complete comments API contract', function (): void {
    $artwork = Artwork::factory()->create();
    $comment = ArtworkComment::factory()->create(['artwork_id' => $artwork->id]);

    $this->getJson("/api/artworks/{$artwork->id}/comments")
        ->assertOk()
        ->assertJsonStructure([
            'data' => [[
                'id', 'parent_id', 'raw_content', 'rendered_content',
                'created_at', 'time_ago', 'user', 'reactions', 'replies',
            ]],
            'meta' => ['current_page', 'last_page', 'total', 'per_page'],
        ])
        ->assertJsonPath('data.0.id', $comment->id);
});

it('measures the initial artwork detail SQL after deferring comments', function (): void {
    $artwork = Artwork::factory()->create([
        'slug' => 'm18h1-sql-measurement',
    ]);
    ArtworkComment::factory()->count(2)->create(['artwork_id' => $artwork->id]);

    DB::flushQueryLog();
    DB::enableQueryLog();

    $this->get(route('art.show', ['id' => $artwork->id, 'slug' => $artwork->slug]))
        ->assertOk();

    $queries = DB::getQueryLog();
    DB::disableQueryLog();

    $normalized = collect($queries)->map(fn (array $query): string => strtolower(preg_replace('/\s+/', ' ', $query['query'])));
    $selects = $normalized->filter(fn (string $query): bool => str_starts_with(ltrim($query), 'select '));
    $writes = $normalized->reject(fn (string $query): bool => str_starts_with(ltrim($query), 'select '));
    $commentQueries = $normalized->filter(fn (string $query): bool => str_contains($query, 'artwork_comments'));

    fwrite(STDERR, sprintf(
        "M18H1_SQL initial_guest_total=%d initial_guest_select=%d initial_guest_write=%d initial_guest_comment_queries=%d\n",
        count($queries),
        $selects->count(),
        $writes->count(),
        $commentQueries->count(),
    ));

    expect($commentQueries)->toHaveCount(0);
});