<?php

namespace Tests\Feature;

use App\Models\Customer;
use App\Models\CustomerGroup;
use App\Models\Deposit;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * Registering a deposit over the counter.
 */
class DepositTest extends TestCase
{
    use RefreshDatabase;

    private function customer(array $attributes = []): Customer
    {
        $customer = new Customer();

        $customer->forceFill(array_merge([
            'lan_id'        => 1,
            'name'          => 'Erik Olsson',
            'guardian_name' => 'Karin Olsson',
            'deposit'       => 0,
            'amount_left'   => 0,
            'give_leftover' => 0,
            'is_in_group'   => 0,
        ], $attributes))->save();

        return $customer;
    }

    private function asUser(): self
    {
        $this->actingAs(User::factory()->create(), 'sanctum');

        return $this;
    }

    public function test_a_deposit_is_credited_and_recorded(): void
    {
        $customer = $this->customer(['lan_id' => 42, 'deposit' => 100, 'amount_left' => 100]);

        $this->asUser()->postJson('/api/register_deposit', [
            'customer_id'   => 42,
            'deposit'       => 250,
            'give_leftover' => 1,
        ])->assertOk();

        $customer->refresh();
        $this->assertSame(350, $customer->deposit);
        $this->assertSame(350, $customer->amount_left);
        $this->assertSame(1, (int) $customer->give_leftover);
        $this->assertSame(250, Deposit::first()->amount);
    }

    public function test_a_group_members_deposit_lands_on_the_group(): void
    {
        $group = CustomerGroup::create(['name' => 'Klanen']);

        $groupCustomer = $this->customer([
            'lan_id' => 10, 'name' => 'Klanen', 'deposit' => 500, 'amount_left' => 500,
            'is_in_group' => 0, 'customer_group_id' => $group->id,
        ]);
        $member = $this->customer([
            'lan_id' => 11, 'name' => 'Anna', 'is_in_group' => 1, 'customer_group_id' => $group->id,
        ]);

        $this->asUser()->postJson('/api/register_deposit', [
            'customer_id'   => 11,
            'deposit'       => 200,
            'give_leftover' => 0,
        ])->assertOk();

        $this->assertSame(700, $groupCustomer->refresh()->deposit);
        $this->assertSame(700, $groupCustomer->amount_left);
        $this->assertSame(0, $member->refresh()->deposit);

        // The receipt is kept on the person who paid, the balance on the group
        $this->assertSame($member->id, Deposit::first()->customer_id);
    }

    public function test_an_unknown_customer_gives_404_and_writes_nothing(): void
    {
        $this->asUser()->postJson('/api/register_deposit', [
            'customer_id'   => 999999,
            'deposit'       => 250,
            'give_leftover' => 0,
        ])->assertStatus(404);

        $this->assertSame(0, Deposit::count());
    }

    public function test_a_member_whose_group_row_is_missing_gives_404_and_writes_nothing(): void
    {
        // A broken state: the member points at a group that has no account row
        $member = $this->customer([
            'lan_id' => 11, 'name' => 'Anna', 'is_in_group' => 1, 'customer_group_id' => 999,
        ]);

        $this->asUser()->postJson('/api/register_deposit', [
            'customer_id'   => 11,
            'deposit'       => 200,
            'give_leftover' => 0,
        ])->assertStatus(404);

        // No receipt for money that was never credited anywhere
        $this->assertSame(0, Deposit::count());
        $this->assertSame(0, $member->refresh()->deposit);
    }

    public function test_the_endpoint_is_closed_to_anyone_not_logged_in(): void
    {
        $customer = $this->customer(['lan_id' => 42]);

        $this->postJson('/api/register_deposit', [
            'customer_id'   => 42,
            'deposit'       => 250,
            'give_leftover' => 0,
        ])->assertStatus(401);

        $this->assertSame(0, Deposit::count());
        $this->assertSame(0, $customer->refresh()->deposit);
    }
}