<?php

use App\Models\Location;
use App\Models\PackagingItem;
use App\Models\PackagingMaterial;
use App\Models\Product;
use App\Models\StockEntry;
use App\Models\StorageRoom;
use App\Models\StorageShelf;
use App\Models\Supplier;
use App\Services\ProductionService;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

/**
 * Prüfung 08.09.2026 F-08: Füllgewicht mit Nachkommastellen (Dezimalspalte, deutsche Eingabe, Validierung).
 */
function fwUser(): User
{
    $user = User::query()->create(['email' => uniqid('fw_', true).'@test.example', 'password' => bcrypt('password')]);
    $user->forceFill(['admin' => 7, 'confirmed' => true, 'active' => true, 'wizard' => 100, 'blocked' => false])->save();

    return $user->fresh();
}

test('F-08: füllgewicht 39,5 wird mit nachkommastellen gespeichert und skaliert die rezeptur exakt', function () {
    $this->actingAs(fwUser(), 'user');

    $this->post(route('admin_product_store'), ['id' => 'new', 'name' => 'FW-Dezimal', 'fill_weight' => '39,5'])
        ->assertRedirect()->assertSessionHasNoErrors();

    $product = Product::query()->where('name', 'FW-Dezimal')->firstOrFail();
    expect($product->fill_weight)->toBe(39.5)
        ->and(app(ProductionService::class)->recipeGramScale($product))->toBe(0.395);

    // Punkt mit 1–2 Nachkommastellen gilt als Dezimaltrenner (WaWi-Konvention), leer = null.
    $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Dezimal', 'fill_weight' => '4.5'])->assertSessionHasNoErrors();
    expect($product->fresh()->fill_weight)->toBe(4.5);

    $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Dezimal', 'fill_weight' => ''])->assertSessionHasNoErrors();
    expect($product->fresh()->fill_weight)->toBeNull();
});

test('F-08: ungültiges oder negatives füllgewicht wird abgelehnt', function () {
    $this->actingAs(fwUser(), 'user');
    $product = Product::query()->create(['name' => 'FW-Invalid', 'title' => 'x', 'active' => true, 'fill_weight' => 10]);

    // Der Produkt-Controller rendert bei Fehlern das Formular direkt (kein Redirect).
    foreach (['abc', '-5', '0'] as $bad) {
        $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'FW-Invalid', 'fill_weight' => $bad])
            ->assertOk()
            ->assertSee('is-invalid', false);
    }
    expect($product->fresh()->fill_weight)->toBe(10.0);
});

test('F-07: produktionsformular liefert die verpackungs-stückliste je ergebnisprodukt für die vorschau', function () {
    $this->actingAs(fwUser(), 'user');
    $supplier = Supplier::factory()->create();
    $material = PackagingMaterial::factory()->create();
    $pk = PackagingItem::factory()->create(['packaging_material_id' => $material->id, 'supplier_id' => $supplier->id, 'name' => 'F07-Tiegel', 'category' => 'packaging']);
    $small = Product::query()->create(['name' => 'F07-5ml', 'title' => 'x', 'active' => true, 'no_recipe_required' => true, 'production_relevant' => false]);
    $small->packagings()->sync([$pk->id => ['quantity' => 2, 'pos' => 0]]);
    Location::factory()->create();

    $html = $this->get(route('admin.inventory.productions.create'))->assertOk()->getContent();
    $start = strpos($html, "data-packaging-bom='") + strlen("data-packaging-bom='");
    $bom = json_decode(substr($html, $start, strpos($html, "'", $start) - $start), true);

    expect($bom)->toHaveKey((string) $small->id)
        ->and($bom[$small->id][0]['name'])->toBe('F07-Tiegel')
        ->and($bom[$small->id][0]['per_unit'])->toEqual(2)
        ->and($html)->toContain('renderPackagingPreview');
});

test('AP-52: verpackungsvorschau liefert bestand und lagerort je verpackungsartikel; spalten heißen einheitlich Lagerort', function () {
    $user = fwUser();
    $this->actingAs($user, 'user');
    $supplier = Supplier::factory()->create();
    $material = PackagingMaterial::factory()->create();
    $room = StorageRoom::query()->create(['label' => 'Lager 1', 'pos' => 0, 'active' => true]);
    $shelf = StorageShelf::query()->create(['label' => 'Regal B', 'pos' => 0, 'active' => true]);
    $pk = PackagingItem::factory()->create([
        'packaging_material_id' => $material->id, 'supplier_id' => $supplier->id, 'name' => 'AP52-Tiegel', 'category' => 'packaging',
        'storage_room_id' => $room->id, 'storage_shelf_id' => $shelf->id,
    ]);
    $location = Location::factory()->create();
    // 120 Stück Wareneingang, 20 bereits verbraucht → Bestand 100.
    StockEntry::query()->create([
        'entry_type' => 'packaging', 'packaging_item_id' => $pk->id, 'supplier_id' => $supplier->id, 'location_id' => $location->id, 'unit' => 'piece',
        'ordered_by' => $user->id, 'ordered_at' => '2026-01-01', 'ordered_quantity' => 120, 'price_per_kg' => 1, 'status' => 'received',
        'received_by' => $user->id, 'received_at' => '2026-01-15', 'received_quantity' => 120,
    ]);
    $product = Product::query()->create(['name' => 'AP52-Produkt', 'title' => 'x', 'active' => true, 'no_recipe_required' => true]);
    $product->packagings()->sync([$pk->id => ['quantity' => 1, 'pos' => 0]]);
    app(ProductionService::class)->store(
        ['product_id' => $product->id, 'location_id' => $location->id, 'produced_at' => '2026-08-01', 'quantity' => 20],
        [], $user->id, [['product_id' => $product->id, 'quantity' => 20, 'batch_number' => null]]
    );

    $html = $this->get(route('admin.inventory.productions.create'))->assertOk()->getContent();
    $start = strpos($html, "data-packaging-info='") + strlen("data-packaging-info='");
    $info = json_decode(substr($html, $start, strpos($html, "'", $start) - $start), true);

    expect($info[$pk->id]['stock'])->toEqual(100)
        ->and($info[$pk->id]['storage_label'])->toBe('Lager 1 | Regal B')
        ->and($html)->toContain('packagingRow(')
        ->and(substr_count($html, '<th>Lagerort</th>'))->toBe(2)
        ->and($html)->not->toContain('<th>Ablage</th>');
});

test('AP-47: checkbox „produktionsrelevant" im produktformular wird gespeichert und steuert die produktions-auswahl', function () {
    $this->actingAs(fwUser(), 'user');

    // Neuanlage ohne Häkchen (Hidden-Fallback 0) => Zukaufartikel wie Aloe verschwindet aus der Planung.
    $this->post(route('admin_product_store'), ['id' => 'new', 'name' => 'AP47-Aloe-Zukauf', 'active' => 1, 'production_relevant' => '0'])
        ->assertRedirect()->assertSessionHasNoErrors();
    $product = Product::query()->where('name', 'AP47-Aloe-Zukauf')->firstOrFail();
    expect($product->production_relevant)->toBeFalse();

    // 09.09.2026: Häkchen sitzt in der Karte „Warenwirtschaft" und ist ausformuliert.
    $edit = $this->get(route('admin_product_edit', $product->id))->assertOk()->getContent();
    expect($edit)->toContain('In der Produktion anzeigen (Produkt wird selbst hergestellt)')
        ->and(strpos($edit, 'id="production_relevant"'))->toBeGreaterThan(strpos($edit, 'id="show_in_product_stock"'));

    $html = $this->get(route('admin.inventory.productions.create'))->assertSuccessful()->getContent();
    $planningSelect = substr($html, strpos($html, 'id="product_id"'));
    $planningSelect = substr($planningSelect, 0, strpos($planningSelect, '</select>'));
    expect($planningSelect)->not->toContain('AP47-Aloe-Zukauf');

    // Häkchen wieder setzen => wieder wählbar.
    $this->post(route('admin_product_store'), ['id' => $product->id, 'name' => 'AP47-Aloe-Zukauf', 'active' => 1, 'production_relevant' => '1'])
        ->assertSessionHasNoErrors();
    expect($product->fresh()->production_relevant)->toBeTrue();

    $html = $this->get(route('admin.inventory.productions.create'))->assertSuccessful()->getContent();
    $planningSelect = substr($html, strpos($html, 'id="product_id"'));
    $planningSelect = substr($planningSelect, 0, strpos($planningSelect, '</select>'));
    expect($planningSelect)->toContain('AP47-Aloe-Zukauf');
});