<?php

namespace Tests\Controllers;

use App\Models\Cashup;
use CodeIgniter\Test\CIUnitTestCase;
use CodeIgniter\Test\DatabaseTestTrait;
use CodeIgniter\Test\FeatureTestTrait;
use Tests\Support\CashupFixtureTrait;
use Tests\Support\DatabaseBootstrapTrait;
use Tests\Support\EmployeeFixtureTrait;
use Tests\Support\ExpenseFixtureTrait;
use Tests\Support\OsposConfigFixtureTrait;
use Tests\Support\SaleFixtureTrait;

class CashupControllerTest extends CIUnitTestCase
{
    use DatabaseTestTrait;
    use DatabaseBootstrapTrait;
    use FeatureTestTrait;
    use EmployeeFixtureTrait;
    use OsposConfigFixtureTrait;
    use CashupFixtureTrait;
    use ExpenseFixtureTrait;
    use SaleFixtureTrait;

    protected $migrate     = true;
    protected $migrateOnce = true;
    protected $seedOnce    = true;
    protected $refresh     = false;
    protected $namespace   = 'App';

    protected function setUp(): void
    {
        $this->resetDatabaseOnce();

        parent::setUp();

        $this->injectOsposSettings([
            'company'             => 'Test Co',
            'dateformat'          => 'Y-m-d',
            'timeformat'          => 'H:i:s',
            'number_locale'       => 'en_US',
            'currency_decimals'   => 2,
            'currency_symbol'     => '$',
            'thousands_separator' => ',',
        ]);
    }

    protected function tearDown(): void
    {
        parent::tearDown();
    }

    protected function createCashupEmployee(): int
    {
        return $this->createEmployee(
            first_name: 'Cashier',
            last_name:  'Cashup',
            email:      'cashup.' . uniqid() . '@test.com',
            username:   'cashup_' . uniqid(),
            grants: [
                ['permission_id' => 'cashups', 'menu_group' => 'home'],
            ],
        );
    }

    protected function loginAs(int $personId): void
    {
        $this->withSession([
            'person_id'  => $personId,
            'menu_group' => 'home',
        ]);
    }

    public function testPostSave_RecomputesTamperedTotalServerSide(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        // Component amounts only sum to (50 - 0 - 0 + 10 + 0 + 0) = 60, but the
        // client claims a total of 1000.00. The server must store 60, not 1000.
        $response = $this->post('/cashups/save/-1', [
            'open_date'            => '2026-09-05 08:00:00',
            'close_date'           => '2026-09-05 16:00:00',
            'open_amount_cash'     => '0',
            'transfer_amount_cash' => '0',
            'closed_amount_cash'   => '50',
            'closed_amount_due'    => '10',
            'closed_amount_card'   => '0',
            'closed_amount_check'  => '0',
            'closed_amount_total'  => '1000.00',
            'open_employee_id'     => '999999',
            'close_employee_id'    => '999999',
            'description'          => 'Test cashup - tampered total',
        ]);

        $response->assertStatus(200);
        $result = json_decode($response->getJSON(), true);
        $this->assertTrue($result['success']);

        $cashup = model(Cashup::class)->get_info($result['id']);
        $this->assertEquals(60.0, (float) $cashup->closed_amount_total);
    }

    public function testPostSave_StoresConsistentTotalAndForcesOwnerToAuthenticatedUser(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        // 100 - 20 - 5 + 15 + 40 + 25 = 155. The client also tries to attribute
        // the cashup to other employees (777/888); the server must force the
        // authenticated user's person_id.
        $response = $this->post('/cashups/save/-1', [
            'open_date'            => '2026-09-05 08:00:00',
            'close_date'           => '2026-09-05 16:00:00',
            'open_amount_cash'     => '20',
            'transfer_amount_cash' => '5',
            'closed_amount_cash'   => '100',
            'closed_amount_due'    => '15',
            'closed_amount_card'   => '40',
            'closed_amount_check'  => '25',
            'closed_amount_total'  => '155',
            'open_employee_id'     => '777',
            'close_employee_id'    => '888',
            'description'          => 'Test cashup - consistent total',
        ]);

        $response->assertStatus(200);
        $result = json_decode($response->getJSON(), true);
        $this->assertTrue($result['success']);

        $cashup = model(Cashup::class)->get_info($result['id']);
        $this->assertEquals(155.0, (float) $cashup->closed_amount_total);
        $this->assertEquals($cashierId, (int) $cashup->open_employee_id);
        $this->assertEquals($cashierId, (int) $cashup->close_employee_id);
    }

    public function testPostAjaxCashupTotal_ReturnsCalculatedTotal(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        // 100 - 20 - 5 + 15 + 40 + 25 = 155
        $response = $this->post('/cashups/ajax_cashup_total', [
            'open_amount_cash'     => '20',
            'transfer_amount_cash' => '5',
            'closed_amount_cash'   => '100',
            'closed_amount_due'    => '15',
            'closed_amount_card'   => '40',
            'closed_amount_check'  => '25',
        ]);

        $response->assertStatus(200);
        $result = json_decode($response->getJSON(), true);
        $this->assertSame('155.00', $result['total']);
    }

    public function testGetView_PrefillsOpenDatesForNewEntry(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        $response = $this->get('/cashups/view/-1');

        $response->assertStatus(200);
        $response->assertSee(date('Y-m-d'));
    }

    public function testGetView_DoesNotRecalculateAlreadyClosedCashup(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        $cashupId = $this->createCashup($cashierId, $cashierId, ['closed_amount_cash' => 75.00]);

        $response = $this->get("/cashups/view/$cashupId");

        $response->assertStatus(200);
        $response->assertSee(to_currency_no_money(75.00));
    }

    public function testGetView_AggregatesPaymentsAndSubtractsCashExpensesOnPendingClose(): void
    {
        $cashierId = $this->createCashupEmployee();
        $this->loginAs($cashierId);

        $cashupId = $this->createCashup($cashierId, $cashierId, [
            'open_amount_cash'     => 100,
            'transfer_amount_cash' => 10,
        ]);

        $cashSaleId = $this->createSale($cashierId);
        $this->createSalePayment($cashSaleId, $cashierId, 'Cash', 50);

        $dueSaleId = $this->createSale($cashierId);
        $this->createSalePayment($dueSaleId, $cashierId, 'Due', 20);

        $categoryId = $this->createExpenseCategory();
        $this->createExpense($cashierId, $categoryId, ['amount' => 15]);

        $response = $this->get("/cashups/view/$cashupId");

        $response->assertStatus(200);
        $response->assertSeeInField('closed_amount_cash', to_currency_no_money(145));
        $response->assertSeeInField('closed_amount_due', to_currency_no_money(20));
        $response->assertSeeInField('closed_amount_total', to_currency_no_money(55));
    }
}