<?php

use App\Models\Ingredient;
use App\Models\Location;
use App\Models\StockDisposal;
use App\Models\StockEntry;
use App\Models\Supplier;
use App\Services\InventoryService;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

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

function rmbUser(): User
{
    $user = User::query()->create([
        'email' => uniqid('rmb_', true).'@test.example',
        'password' => bcrypt('password'),
    ]);
    $user->forceFill(['admin' => 7, 'confirmed' => true, 'active' => true, 'wizard' => 100, 'blocked' => false])->save();

    return $user->fresh();
}

function rmbIngredient(): Ingredient
{
    return Ingredient::query()->create([
        'name' => 'RMB-Öl', 'trans_name' => '', 'inci' => 'RMB', 'trans_inci' => '',
        'effect' => '', 'trans_effect' => '', 'active' => true, 'pos' => 0,
    ]);
}

function rmbStock(Ingredient $ing, Location $location, Supplier $supplier, User $user, float $qty, string $batch, string $bestBefore): StockEntry
{
    return StockEntry::query()->create([
        'entry_type' => 'ingredient', 'ingredient_id' => $ing->id,
        'supplier_id' => $supplier->id, 'location_id' => $location->id,
        'unit' => 'gram', 'ordered_by' => $user->id, 'ordered_at' => '2026-01-01',
        'ordered_quantity' => $qty, 'status' => 'received',
        'received_by' => $user->id, 'received_at' => '2026-01-15',
        'received_quantity' => $qty, 'batch_number' => $batch, 'best_before' => $bestBefore,
    ]);
}

// 17.09.2026: Live-Fall Sonnenblumenöl — Alt-Ausschuss ohne Chargenbezug „frisst" nach FEFO
// die Eingänge auf; die Chargenansicht blendet Rest 0 aus. Die Bestandsrechnung zeigt alles.
test('bestandsrechnung listet auch aufgebrauchte eingaenge und rechnet den alt-ausschuss nach fefo zu', function () {
    $user = rmbUser();
    $this->actingAs($user, 'user');
    $ing = rmbIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();

    $old = rmbStock($ing, $location, $supplier, $user, 2900, 'ALT', '2028-09-30');
    $short = rmbStock($ing, $location, $supplier, $user, 874, 'KURZ', '2026-12-04');
    $big = rmbStock($ing, $location, $supplier, $user, 10164.16, 'NEU', '2028-09-30');
    $last = rmbStock($ing, $location, $supplier, $user, 6841.12, 'NEU', '2028-09-30');

    // Ausschuss mit Chargenbezug auf die letzte Charge, dazu Alt-Ausschuss ohne Bezug.
    StockDisposal::query()->create([
        'disposal_type' => 'ingredient', 'ingredient_id' => $ing->id, 'stock_entry_id' => $last->id,
        'location_id' => $location->id, 'quantity' => 41.12, 'unit' => 'gram', 'reason' => 'Bruch', 'disposed_at' => '2026-07-01',
    ]);
    StockDisposal::query()->create([
        'disposal_type' => 'ingredient', 'ingredient_id' => $ing->id, 'stock_entry_id' => null,
        'location_id' => $location->id, 'quantity' => 12100, 'unit' => 'gram', 'reason' => 'Korrektur',
        'note' => 'Initialbestand', 'disposed_at' => '2026-07-28',
    ]);

    $svc = app(InventoryService::class);
    $bd = $svc->stockBreakdownForIngredient($ing->id);

    // Kopfzahl und Summenzeile stimmen überein.
    $header = $svc->remainingByIngredient([$ing->id])[$ing->id];
    expect($bd['remaining_total'])->toBe($header)
        ->and($header)->toBe(roundWawiQuantity(20779.28 - 41.12 - 12100))
        ->and($bd['received_total'])->toBe(20779.28)
        ->and($bd['disposed_bound_total'])->toBe(41.12)
        ->and($bd['disposed_unbound_total'])->toBe(12100.0)
        ->and($bd['disposed_unbound_unallocated'])->toBe(0.0)
        ->and($bd['unbound_disposals'])->toHaveCount(1);

    // Alle vier Eingänge gelistet (Chargenansicht zeigt nur die mit Rest > 0).
    expect($bd['entries'])->toHaveCount(4)
        ->and($svc->chargesWithRemainingForIngredient($ing->id))->toHaveCount(2);

    $byId = $bd['entries']->keyBy('id');
    // FEFO: kurzes MHD zuerst, dann nach id.
    expect((float) $byId[$short->id]->getAttribute('unbound_disposal_quantity'))->toBe(874.0)
        ->and((float) $byId[$short->id]->getAttribute('remaining_quantity'))->toBe(0.0)
        ->and((float) $byId[$old->id]->getAttribute('unbound_disposal_quantity'))->toBe(2900.0)
        ->and((float) $byId[$old->id]->getAttribute('remaining_quantity'))->toBe(0.0)
        ->and((float) $byId[$big->id]->getAttribute('unbound_disposal_quantity'))->toBe(8326.0)
        ->and((float) $byId[$big->id]->getAttribute('remaining_quantity'))->toBe(1838.16)
        ->and((float) $byId[$last->id]->getAttribute('bound_disposal_quantity'))->toBe(41.12)
        ->and((float) $byId[$last->id]->getAttribute('unbound_disposal_quantity'))->toBe(0.0)
        ->and((float) $byId[$last->id]->getAttribute('remaining_quantity'))->toBe(6800.0);

    // Seite: Klappbereich mit Zusammenfassung, aufgebrauchte Eingänge und Alt-Ausschuss sichtbar.
    $res = $this->get(route('admin.inventory.raw-material-stock.show', $ing));
    $res->assertOk()
        ->assertSee('Bestandsrechnung nachvollziehen')
        ->assertSee('4 Eingänge, 2 davon aufgebraucht, 1 Ausschuss ohne Chargenbezug')
        ->assertSee('KURZ')
        ->assertSee('Initialbestand')
        ->assertSee('= Gesamtbestand');
});

test('bestandsrechnung weist alt-ausschuss ueber dem eingang als nicht zurechenbar aus', function () {
    $user = rmbUser();
    $this->actingAs($user, 'user');
    $ing = rmbIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    rmbStock($ing, $location, $supplier, $user, 500, 'A', '2028-01-01');
    StockDisposal::query()->create([
        'disposal_type' => 'ingredient', 'ingredient_id' => $ing->id, 'stock_entry_id' => null,
        'location_id' => $location->id, 'quantity' => 800, 'unit' => 'gram', 'reason' => 'Korrektur', 'disposed_at' => '2026-07-28',
    ]);

    $bd = app(InventoryService::class)->stockBreakdownForIngredient($ing->id);

    expect($bd['disposed_unbound_unallocated'])->toBe(300.0)
        ->and($bd['remaining_total'])->toBe(-300.0)
        ->and($bd['remaining_total'])->toBe(app(InventoryService::class)->remainingByIngredient([$ing->id])[$ing->id]);
});