<?php

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

uses(RefreshDatabase::class);

it('admin report returns date-filtered breakdown by algo and top similarities with ctr', function () {
    $admin = User::factory()->create(['role' => 'admin']);

    $sourceA = Artwork::factory()->create(['title' => 'Source A']);
    $similarA = Artwork::factory()->create(['title' => 'Similar A']);
    $sourceB = Artwork::factory()->create(['title' => 'Source B']);
    $similarB = Artwork::factory()->create(['title' => 'Similar B']);

    $inRangeDate = now()->subDay()->toDateString();
    $outRangeDate = now()->subDays(5)->toDateString();

    DB::table('similar_artwork_events')->insert([
        [
            'event_date' => $inRangeDate,
            'event_type' => 'impression',
            'algo_version' => 'clip-cosine-v1',
            'source_artwork_id' => $sourceA->id,
            'similar_artwork_id' => $similarA->id,
            'position' => 1,
            'items_count' => 4,
            'occurred_at' => now()->subDay(),
            'created_at' => now(),
            'updated_at' => now(),
        ],
        [
            'event_date' => $inRangeDate,
            'event_type' => 'click',
            'algo_version' => 'clip-cosine-v1',
            'source_artwork_id' => $sourceA->id,
            'similar_artwork_id' => $similarA->id,
            'position' => 1,
            'items_count' => null,
            'occurred_at' => now()->subDay(),
            'created_at' => now(),
            'updated_at' => now(),
        ],
        [
            'event_date' => $inRangeDate,
            'event_type' => 'impression',
            'algo_version' => 'clip-cosine-v2',
            'source_artwork_id' => $sourceB->id,
            'similar_artwork_id' => $similarB->id,
            'position' => 2,
            'items_count' => 4,
            'occurred_at' => now()->subDay(),
            'created_at' => now(),
            'updated_at' => now(),
        ],
        [
            'event_date' => $outRangeDate,
            'event_type' => 'click',
            'algo_version' => 'clip-cosine-v1',
            'source_artwork_id' => $sourceA->id,
            'similar_artwork_id' => $similarA->id,
            'position' => 1,
            'items_count' => null,
            'occurred_at' => now()->subDays(5),
            'created_at' => now(),
            'updated_at' => now(),
        ],
    ]);

    $response = $this->actingAs($admin)->getJson('/api/admin/reports/similar-artworks?from=' . $inRangeDate . '&to=' . $inRangeDate);

    $response->assertOk();
    $response->assertJsonPath('meta.from', $inRangeDate);
    $response->assertJsonPath('meta.to', $inRangeDate);

    $byAlgo = collect($response->json('by_algo_version'));
    expect($byAlgo->count())->toBe(2);

    $v1 = $byAlgo->firstWhere('algo_version', 'clip-cosine-v1');
    expect($v1['impressions'])->toBe(1);
    expect($v1['clicks'])->toBe(1);
    expect((float) $v1['ctr'])->toBe(1.0);

    $top = collect($response->json('top_similarities'));
    expect($top->isNotEmpty())->toBeTrue();
    expect($top->first()['source_artwork_id'])->toBe($sourceA->id);
    expect($top->first()['similar_artwork_id'])->toBe($similarA->id);
    expect((float) $top->first()['ctr'])->toBe(1.0);
});

it('non-admin is denied similar artwork report endpoint', function () {
    $user = User::factory()->create(['role' => 'user']);

    $response = $this->actingAs($user)->getJson('/api/admin/reports/similar-artworks');

    $response->assertStatus(403);
});