<?php

namespace Tests\Feature;

use App\Http\Middleware\EnsurePlatformSession;
use App\Models\PosLocation;
use App\Models\PosModifier;
use App\Models\PosModifierGroup;
use App\Models\PosProduct;
use App\Models\PosSale;
use App\Models\PosSaleLine;
use App\Models\PosStation;
use App\Models\PosTable;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class PosRestaurantTest extends TestCase
{
    use RefreshDatabase;

    protected function setUp(): void
    {
        parent::setUp();
        $this->withoutMiddleware(EnsurePlatformSession::class);
        $this->withoutVite();
    }

    private function user(): User
    {
        return User::create([
            'public_id' => 'u-'.uniqid(),
            'name' => 'Server',
            'email' => uniqid().'@example.com',
        ]);
    }

    private function restaurant(User $user): array
    {
        $location = PosLocation::create([
            'owner_ref' => $user->public_id,
            'name' => 'Café',
            'currency' => 'GHS',
            'service_style' => PosLocation::STYLE_RESTAURANT,
        ]);
        $table = PosTable::create([
            'owner_ref' => $user->public_id,
            'location_id' => $location->id,
            'label' => 'T1',
            'seats' => 4,
            'status' => PosTable::STATUS_FREE,
        ]);
        $product = PosProduct::create([
            'owner_ref' => $user->public_id,
            'name' => 'Latte',
            'price_minor' => 2500,
            'currency' => 'GHS',
            'is_active' => true,
        ]);

        return [$location, $table, $product];
    }

    public function test_dine_in_ticket_lifecycle(): void
    {
        $user = $this->user();
        [, $table, $product] = $this->restaurant($user);

        // Open a dine-in tab on the table.
        $this->actingAs($user)->post(route('pos.tickets.open'), [
            'order_type' => 'dine_in',
            'table_id' => $table->id,
        ])->assertRedirect();

        $sale = PosSale::where('owner_ref', $user->public_id)->firstOrFail();
        $this->assertSame(PosSale::ORDER_DINE_IN, $sale->order_type);
        $this->assertSame(PosSale::STATUS_PENDING, $sale->status);
        $this->assertTrue($sale->table_id === $table->id);
        $this->assertSame(PosTable::STATUS_OCCUPIED, $table->fresh()->status);

        // Add an item to the tab.
        $this->actingAs($user)->postJson(route('pos.tickets.lines.add', $sale), [
            'product_id' => $product->id,
            'name' => $product->name,
            'unit_price_minor' => $product->price_minor,
            'quantity' => 2,
        ])->assertOk()->assertJsonPath('total_minor', 5000);

        // Fire it to the kitchen.
        $this->actingAs($user)->postJson(route('pos.tickets.send', $sale))
            ->assertOk()->assertJsonPath('fired', 1);

        $line = $sale->lines()->firstOrFail();
        $this->assertSame(PosSaleLine::KITCHEN_QUEUED, $line->fresh()->kitchen_state);
        $this->assertSame(PosSale::KITCHEN_ACTIVE, $sale->fresh()->kitchen_status);

        // Kitchen feed shows the active ticket.
        $this->actingAs($user)->getJson(route('pos.kitchen.feed'))
            ->assertOk()->assertJsonCount(1, 'tickets');

        // Bump the line through to served.
        foreach (['preparing', 'ready', 'served'] as $expected) {
            $this->actingAs($user)->postJson(route('pos.kitchen.bump', $line))
                ->assertOk()->assertJsonPath('state', $expected);
        }
        $this->assertSame(PosSale::KITCHEN_SERVED, $sale->fresh()->kitchen_status);

        // Settle in cash — ticket paid, table freed.
        $this->actingAs($user)->post(route('pos.tickets.settle', $sale), [
            'payment_method' => 'cash',
        ])->assertRedirect(route('pos.sales.show', $sale));

        $this->assertSame(PosSale::STATUS_PAID, $sale->fresh()->status);
        $this->assertNotNull($sale->fresh()->closed_at);
        $this->assertSame(PosTable::STATUS_FREE, $table->fresh()->status);
        $this->assertNull($table->fresh()->current_sale_id);
    }

    public function test_modifiers_course_and_station_routing(): void
    {
        $user = $this->user();
        [, , $product] = $this->restaurant($user);

        $station = PosStation::create(['owner_ref' => $user->public_id, 'name' => 'Bar']);
        $group = PosModifierGroup::create(['owner_ref' => $user->public_id, 'name' => 'Size', 'min_select' => 1, 'max_select' => 1]);
        $large = PosModifier::create(['modifier_group_id' => $group->id, 'owner_ref' => $user->public_id, 'name' => 'Large', 'price_delta_minor' => 1000]);

        $product->update(['station_id' => $station->id, 'course' => 'drink']);
        $product->modifierGroups()->sync([$group->id]);

        // Open a takeaway ticket.
        $this->actingAs($user)->post(route('pos.tickets.open'), ['order_type' => 'takeaway'])->assertRedirect();
        $sale = PosSale::where('owner_ref', $user->public_id)->firstOrFail();

        // Add the product with the Large modifier — price = base 2500 + 1000.
        $this->actingAs($user)->postJson(route('pos.tickets.lines.add', $sale), [
            'product_id' => $product->id,
            'modifier_ids' => [$large->id],
            'quantity' => 1,
        ])->assertOk()->assertJsonPath('total_minor', 3500);

        $line = $sale->lines()->firstOrFail();
        $this->assertSame(3500, $line->unit_price_minor);
        $this->assertSame($station->id, $line->station_id);
        $this->assertSame('drink', $line->course);
        $this->assertSame('Large', $line->modifiers()->value('name'));

        // Fire only the "drink" course.
        $this->actingAs($user)->postJson(route('pos.tickets.send', $sale), ['course' => 'drink'])
            ->assertOk()->assertJsonPath('fired', 1);

        // KDS feed carries the station + modifier.
        $this->actingAs($user)->getJson(route('pos.kitchen.feed'))
            ->assertOk()
            ->assertJsonPath('tickets.0.lines.0.station', 'Bar')
            ->assertJsonPath('tickets.0.lines.0.modifiers.0', 'Large');
    }

    public function test_cannot_open_two_tabs_on_one_table(): void
    {
        $user = $this->user();
        [, $table] = $this->restaurant($user);

        $this->actingAs($user)->post(route('pos.tickets.open'), [
            'order_type' => 'dine_in', 'table_id' => $table->id,
        ])->assertRedirect();

        $this->actingAs($user)->post(route('pos.tickets.open'), [
            'order_type' => 'dine_in', 'table_id' => $table->id,
        ])->assertRedirect();

        $this->assertSame(1, PosSale::where('owner_ref', $user->public_id)->count());
    }
}