<?php

use App\Models\Ingredient;
use App\Models\Location;
use App\Models\MaterialQuality;
use App\Models\StockEntry;
use App\Models\Supplier;
use App\Models\TaxRate;
use App\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

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

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

    return $user->fresh();
}

function stockPriceIngredient(): Ingredient
{
    return Ingredient::query()->create(['name' => 'INCI-'.uniqid('', true), 'active' => true, 'pos' => 0]);
}

test('net price derives gross from tax rate on store', function () {
    $admin = stockPriceAdmin();
    $ingredient = stockPriceIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    $quality = MaterialQuality::factory()->create();
    $tax = TaxRate::query()->create(['name' => 'Standard', 'percent' => 19, 'active' => true, 'pos' => 0]);

    $this->actingAs($admin, 'user');

    $this->post(route('admin.inventory.stock-entries.store'), [
        'entry_type' => 'ingredient',
        'ingredient_id' => (string) $ingredient->id,
        'supplier_id' => (string) $supplier->id,
        'location_id' => (string) $location->id,
        'quality_id' => (string) $quality->id,
        'tax_rate_id' => (string) $tax->id,
        'ordered_at' => '2026-06-01',
        'ordered_quantity' => '1000',
        'price_per_kg' => '10,00',
    ])->assertRedirect(route('admin.inventory.stock-entries.index'));

    $entry = StockEntry::query()->latest('id')->firstOrFail();

    expect((float) $entry->price_per_kg)->toBe(10.0)
        ->and((float) $entry->price_per_kg_gross)->toBe(11.9)
        ->and((float) $entry->tax_rate_percent)->toBe(19.0);
});

test('gross price derives net from tax rate on store', function () {
    $admin = stockPriceAdmin();
    $ingredient = stockPriceIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    $quality = MaterialQuality::factory()->create();
    $tax = TaxRate::query()->create(['name' => 'Standard', 'percent' => 19, 'active' => true, 'pos' => 0]);

    $this->actingAs($admin, 'user');

    $this->post(route('admin.inventory.stock-entries.store'), [
        'entry_type' => 'ingredient',
        'ingredient_id' => (string) $ingredient->id,
        'supplier_id' => (string) $supplier->id,
        'location_id' => (string) $location->id,
        'quality_id' => (string) $quality->id,
        'tax_rate_id' => (string) $tax->id,
        'ordered_at' => '2026-06-01',
        'ordered_quantity' => '1000',
        'price_per_kg_gross' => '11,90',
    ])->assertRedirect(route('admin.inventory.stock-entries.index'));

    $entry = StockEntry::query()->latest('id')->firstOrFail();

    expect((float) $entry->price_per_kg)->toBe(10.0)
        ->and((float) $entry->price_per_kg_gross)->toBe(11.9);
});

test('without tax rate net equals gross', function () {
    $admin = stockPriceAdmin();
    $ingredient = stockPriceIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    $quality = MaterialQuality::factory()->create();

    $this->actingAs($admin, 'user');

    $this->post(route('admin.inventory.stock-entries.store'), [
        'entry_type' => 'ingredient',
        'ingredient_id' => (string) $ingredient->id,
        'supplier_id' => (string) $supplier->id,
        'location_id' => (string) $location->id,
        'quality_id' => (string) $quality->id,
        'ordered_at' => '2026-06-01',
        'ordered_quantity' => '500',
        'price_per_kg' => '8,00',
    ])->assertRedirect(route('admin.inventory.stock-entries.index'));

    $entry = StockEntry::query()->latest('id')->firstOrFail();

    expect((float) $entry->price_per_kg)->toBe(8.0)
        ->and((float) $entry->price_per_kg_gross)->toBe(8.0)
        ->and($entry->tax_rate_percent)->toBeNull();
});

test('ingredient requires net or gross price', function () {
    $admin = stockPriceAdmin();
    $ingredient = stockPriceIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    $quality = MaterialQuality::factory()->create();

    $this->actingAs($admin, 'user');

    $this->post(route('admin.inventory.stock-entries.store'), [
        'entry_type' => 'ingredient',
        'ingredient_id' => (string) $ingredient->id,
        'supplier_id' => (string) $supplier->id,
        'location_id' => (string) $location->id,
        'quality_id' => (string) $quality->id,
        'ordered_at' => '2026-06-01',
        'ordered_quantity' => '500',
    ])->assertSessionHasErrors('price_per_kg');
});

test('copy creates pending duplicate without receiving data', function () {
    $admin = stockPriceAdmin();
    $ingredient = stockPriceIngredient();
    $location = Location::factory()->create();
    $supplier = Supplier::factory()->create();
    $quality = MaterialQuality::factory()->create();
    $tax = TaxRate::query()->create(['name' => 'Standard', 'percent' => 19, 'active' => true, 'pos' => 0]);

    $source = StockEntry::query()->create([
        'entry_type' => 'ingredient',
        'ingredient_id' => $ingredient->id,
        'supplier_id' => $supplier->id,
        'location_id' => $location->id,
        'unit' => 'gram',
        'ordered_by' => $admin->id,
        'ordered_at' => '2026-01-01',
        'ordered_quantity' => 1000,
        'price_per_kg' => 10,
        'price_per_kg_gross' => 11.9,
        'tax_rate_id' => $tax->id,
        'tax_rate_percent' => 19,
        'quality_id' => $quality->id,
        'received_at' => '2026-01-10',
        'received_quantity' => 1000,
        'batch_number' => 'CHARGE-1',
        'best_before' => '2027-01-01',
        'status' => 'received',
    ]);

    $this->actingAs($admin, 'user');

    $this->get(route('admin.inventory.stock-entries.copy', $source))
        ->assertRedirect();

    $copy = StockEntry::query()->where('status', 'pending')->latest('id')->firstOrFail();

    expect($copy->id)->not->toBe($source->id)
        ->and($copy->ingredient_id)->toBe($ingredient->id)
        ->and($copy->supplier_id)->toBe($supplier->id)
        ->and((float) $copy->price_per_kg)->toBe(10.0)
        ->and((float) $copy->price_per_kg_gross)->toBe(11.9)
        ->and($copy->quality_id)->toBe($quality->id)
        ->and($copy->batch_number)->toBeNull()
        ->and($copy->best_before)->toBeNull()
        ->and($copy->received_quantity)->toBeNull()
        ->and($copy->ordered_by)->toBe($admin->id);
});

test('copy is blocked for non admin', function () {
    $admin = stockPriceAdmin();
    $source = StockEntry::factory()->create(['ordered_by' => $admin->id]);

    $copyreader = User::query()->create([
        'email' => uniqid('cr_', true).'@test.example',
        'password' => bcrypt('password'),
    ]);
    $copyreader->forceFill(['admin' => 1, 'confirmed' => true, 'active' => true, 'wizard' => 100, 'blocked' => false])->save();

    $this->actingAs($copyreader->fresh(), 'user');

    $this->get(route('admin.inventory.stock-entries.copy', $source))
        ->assertRedirect(route('home'));
});