<?php

namespace Tests\Feature;

use App\Models\FinanceDocument;
use App\Models\PaymentOrder;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Foundation\Testing\WithFaker;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Facades\Storage;
use Spatie\Permission\Models\Role;
use Tests\TestCase;

/**
 * Payment Order Workflow Feature Tests
 *
 * Tests payment order creation, verification, and execution
 */
class PaymentOrderWorkflowTest extends TestCase
{
    use RefreshDatabase, WithFaker;

    protected User $accountant;
    protected User $cashier;
    protected FinanceDocument $approvedDocument;

    protected function setUp(): void
    {
        parent::setUp();

        Role::create(['name' => 'finance_accountant']);
        Role::create(['name' => 'finance_cashier']);

        $this->accountant = User::factory()->create(['email' => 'accountant@test.com']);
        $this->cashier = User::factory()->create(['email' => 'cashier@test.com']);

        $this->accountant->assignRole('finance_accountant');
        $this->cashier->assignRole('finance_cashier');

        $this->accountant->givePermissionTo(['create_payment_order', 'view_payment_orders']);
        $this->cashier->givePermissionTo(['verify_payment_order', 'execute_payment', 'view_payment_orders']);

        // Create an approved finance document
        $this->approvedDocument = FinanceDocument::create([
            'title' => 'Approved Document',
            'description' => 'Test',
            'amount' => 5000,
            'request_type' => 'expense_reimbursement',
            'status' => FinanceDocument::STATUS_APPROVED_ACCOUNTANT,
            'submitted_by_id' => $this->accountant->id,
            'submitted_at' => now(),
            'cashier_approved_at' => now(),
            'accountant_approved_at' => now(),
            'amount_tier' => 'small',
        ]);
    }

    /** @test */
    public function accountant_can_create_payment_order_for_approved_document()
    {
        $this->actingAs($this->accountant);

        $response = $this->post(route('admin.payment-orders.store'), [
            'finance_document_id' => $this->approvedDocument->id,
            'payee_name' => 'John Doe',
            'payment_amount' => 5000,
            'payment_method' => 'bank_transfer',
            'payee_bank_name' => 'Test Bank',
            'payee_bank_code' => '012',
            'payee_account_number' => '1234567890',
            'notes' => 'Test payment order',
        ]);

        $response->assertRedirect();

        $this->assertDatabaseHas('payment_orders', [
            'finance_document_id' => $this->approvedDocument->id,
            'payee_name' => 'John Doe',
            'payment_amount' => 5000,
            'status' => 'pending_verification',
        ]);

        // Check finance document is updated
        $this->approvedDocument->refresh();
        $this->assertNotNull($this->approvedDocument->payment_order_created_at);
    }

    /** @test */
    public function payment_order_number_is_automatically_generated()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->assertNotEmpty($paymentOrder->payment_order_number);
        $this->assertStringStartsWith('PO-', $paymentOrder->payment_order_number);
    }

    /** @test */
    public function cashier_can_verify_payment_order()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->actingAs($this->cashier);

        $response = $this->post(route('admin.payment-orders.verify', $paymentOrder), [
            'action' => 'approve',
            'verification_notes' => 'Verified and approved',
        ]);

        $response->assertRedirect();

        $paymentOrder->refresh();
        $this->assertEquals('approved', $paymentOrder->verification_status);
        $this->assertEquals('verified', $paymentOrder->status);
        $this->assertNotNull($paymentOrder->verified_at);
        $this->assertEquals($this->cashier->id, $paymentOrder->verified_by_cashier_id);

        // Check finance document is updated
        $this->approvedDocument->refresh();
        $this->assertNotNull($this->approvedDocument->payment_verified_at);
    }

    /** @test */
    public function cashier_can_reject_payment_order_during_verification()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->actingAs($this->cashier);

        $response = $this->post(route('admin.payment-orders.verify', $paymentOrder), [
            'action' => 'reject',
            'verification_notes' => 'Incorrect amount',
        ]);

        $response->assertRedirect();

        $paymentOrder->refresh();
        $this->assertEquals('rejected', $paymentOrder->verification_status);
        $this->assertNotNull($paymentOrder->verified_at);
    }

    /** @test */
    public function cashier_can_execute_verified_payment_order()
    {
        Storage::fake('local');

        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'bank_transfer',
            'status' => 'verified',
            'verification_status' => 'approved',
            'created_by_accountant_id' => $this->accountant->id,
            'verified_by_cashier_id' => $this->cashier->id,
            'verified_at' => now(),
        ]);

        $this->actingAs($this->cashier);

        $receipt = UploadedFile::fake()->create('receipt.pdf', 100);

        $response = $this->post(route('admin.payment-orders.execute', $paymentOrder), [
            'transaction_reference' => 'TXN123456',
            'payment_receipt' => $receipt,
            'execution_notes' => 'Payment completed successfully',
        ]);

        $response->assertRedirect();

        $paymentOrder->refresh();
        $this->assertEquals('executed', $paymentOrder->status);
        $this->assertEquals('completed', $paymentOrder->execution_status);
        $this->assertNotNull($paymentOrder->executed_at);
        $this->assertEquals($this->cashier->id, $paymentOrder->executed_by_cashier_id);
        $this->assertEquals('TXN123456', $paymentOrder->transaction_reference);

        // Check finance document is updated
        $this->approvedDocument->refresh();
        $this->assertNotNull($this->approvedDocument->payment_executed_at);
    }

    /** @test */
    public function cannot_execute_unverified_payment_order()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->assertFalse($paymentOrder->canBeExecuted());
    }

    /** @test */
    public function cannot_verify_already_verified_payment_order()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'verified',
            'verification_status' => 'approved',
            'created_by_accountant_id' => $this->accountant->id,
            'verified_by_cashier_id' => $this->cashier->id,
            'verified_at' => now(),
        ]);

        $this->assertFalse($paymentOrder->canBeVerifiedByCashier());
    }

    /** @test */
    public function accountant_can_cancel_unexecuted_payment_order()
    {
        $paymentOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 5000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->actingAs($this->accountant);

        $response = $this->post(route('admin.payment-orders.cancel', $paymentOrder));

        $response->assertRedirect();

        $paymentOrder->refresh();
        $this->assertEquals('cancelled', $paymentOrder->status);
    }

    /** @test */
    public function payment_order_for_different_payment_methods()
    {
        // Test cash payment
        $cashOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 1000,
            'payment_method' => 'cash',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->assertEquals('現金', $cashOrder->getPaymentMethodText());

        // Test check payment
        $checkOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 2000,
            'payment_method' => 'check',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->assertEquals('支票', $checkOrder->getPaymentMethodText());

        // Test bank transfer
        $transferOrder = PaymentOrder::create([
            'finance_document_id' => $this->approvedDocument->id,
            'payment_order_number' => PaymentOrder::generatePaymentOrderNumber(),
            'payee_name' => 'Test Payee',
            'payment_amount' => 3000,
            'payment_method' => 'bank_transfer',
            'payee_bank_name' => 'Test Bank',
            'payee_bank_code' => '012',
            'payee_account_number' => '1234567890',
            'status' => 'pending_verification',
            'created_by_accountant_id' => $this->accountant->id,
        ]);

        $this->assertEquals('銀行轉帳', $transferOrder->getPaymentMethodText());
    }
}