<?php

namespace Tests\Feature\Validation;

use App\Http\Middleware\VerifyCsrfToken;
use App\Models\FinanceDocument;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Storage;
use Tests\TestCase;
use Tests\Traits\CreatesFinanceData;
use Tests\Traits\SeedsRolesAndPermissions;

/**
 * Finance Document Validation Tests
 *
 * Tests finance document model behavior and amount tiers.
 */
class FinanceDocumentValidationTest extends TestCase
{
    use RefreshDatabase, SeedsRolesAndPermissions, CreatesFinanceData;

    protected function setUp(): void
    {
        parent::setUp();
        Storage::fake('local');
        $this->seedRolesAndPermissions();
    }

    public function test_amount_tier_small(): void
    {
        $document = $this->createFinanceDocument(['amount' => 3000]);

        $this->assertEquals(FinanceDocument::AMOUNT_TIER_SMALL, $document->determineAmountTier());
    }

    public function test_amount_tier_medium(): void
    {
        $document = $this->createFinanceDocument(['amount' => 25000]);

        $this->assertEquals(FinanceDocument::AMOUNT_TIER_MEDIUM, $document->determineAmountTier());
    }

    public function test_amount_tier_large(): void
    {
        $document = $this->createFinanceDocument(['amount' => 75000]);

        $this->assertEquals(FinanceDocument::AMOUNT_TIER_LARGE, $document->determineAmountTier());
    }

    public function test_document_amount_boundary_small_medium(): void
    {
        // 4999 should be small
        $smallDoc = $this->createFinanceDocument(['amount' => 4999]);
        $this->assertEquals(FinanceDocument::AMOUNT_TIER_SMALL, $smallDoc->determineAmountTier());

        // 5000 should be medium
        $mediumDoc = $this->createFinanceDocument(['amount' => 5000]);
        $this->assertEquals(FinanceDocument::AMOUNT_TIER_MEDIUM, $mediumDoc->determineAmountTier());
    }

    public function test_document_amount_boundary_medium_large(): void
    {
        // 50000 should be medium
        $mediumDoc = $this->createFinanceDocument(['amount' => 50000]);
        $this->assertEquals(FinanceDocument::AMOUNT_TIER_MEDIUM, $mediumDoc->determineAmountTier());

        // 50001 should be large
        $largeDoc = $this->createFinanceDocument(['amount' => 50001]);
        $this->assertEquals(FinanceDocument::AMOUNT_TIER_LARGE, $largeDoc->determineAmountTier());
    }

    public function test_document_status_constants(): void
    {
        $this->assertEquals('pending', FinanceDocument::STATUS_PENDING);
        $this->assertEquals('approved_cashier', FinanceDocument::STATUS_APPROVED_CASHIER);
        $this->assertEquals('approved_accountant', FinanceDocument::STATUS_APPROVED_ACCOUNTANT);
        $this->assertEquals('approved_chair', FinanceDocument::STATUS_APPROVED_CHAIR);
        $this->assertEquals('rejected', FinanceDocument::STATUS_REJECTED);
    }

    public function test_cashier_can_approve_pending_document(): void
    {
        $cashier = $this->createCashier();
        $document = $this->createFinanceDocument(['status' => FinanceDocument::STATUS_PENDING]);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($cashier)
            ->post(route('admin.finance.approve', $document));

        $document->refresh();
        $this->assertEquals(FinanceDocument::STATUS_APPROVED_CASHIER, $document->status);
    }

    public function test_cashier_can_reject_pending_document(): void
    {
        $cashier = $this->createCashier();
        $document = $this->createFinanceDocument(['status' => FinanceDocument::STATUS_PENDING]);

        $response = $this->withoutMiddleware(VerifyCsrfToken::class)
            ->actingAs($cashier)
            ->post(
                route('admin.finance.reject', $document),
                ['rejection_reason' => 'Test rejection']
            );

        $document->refresh();
        $this->assertEquals(FinanceDocument::STATUS_REJECTED, $document->status);
    }
}