<?php

namespace Tests\Unit\Requests;

use App\Http\Requests\StoreContractRequest;
use Illuminate\Support\Facades\Validator;
use Tests\TestCase;

class StoreContractRequestTest extends TestCase
{
    public function test_empty_data_fails(): void
    {
        $request = new StoreContractRequest();
        $validator = Validator::make([], $request->rules());
        $this->assertTrue($validator->fails());
    }

    public function test_missing_contract_number_fails(): void
    {
        $data = [
            'contract_date' => '2026-01-15',
            'year'          => 2026,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('contract_number', $validator->errors()->toArray());
    }

    public function test_missing_contract_date_fails(): void
    {
        $data = [
            'contract_number' => 'ДГ-2026/001',
            'year'            => 2026,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('contract_date', $validator->errors()->toArray());
    }

    public function test_missing_year_fails(): void
    {
        $data = [
            'contract_number' => 'ДГ-2026/001',
            'contract_date'   => '2026-01-15',
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('year', $validator->errors()->toArray());
    }

    public function test_invalid_contract_date_format_fails(): void
    {
        $data = [
            'contract_number' => 'ДГ-2026/001',
            'contract_date'   => 'not-a-date',
            'year'            => 2026,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('contract_date', $validator->errors()->toArray());
    }

    public function test_year_below_min_fails(): void
    {
        $data = [
            'contract_number' => 'ДГ-1999/001',
            'contract_date'   => '1999-06-01',
            'year'            => 1999,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('year', $validator->errors()->toArray());
    }

    public function test_year_at_min_boundary_passes(): void
    {
        $data = [
            'contract_number' => 'ДГ-2000/001',
            'contract_date'   => '2000-01-01',
            'year'            => 2000,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $errors = $validator->errors()->toArray();
        $this->assertArrayNotHasKey('year', $errors);
    }

    public function test_year_must_be_numeric(): void
    {
        $data = [
            'contract_number' => 'ДГ-2026/001',
            'contract_date'   => '2026-01-15',
            'year'            => 'two-thousand',
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('year', $validator->errors()->toArray());
    }

    public function test_valid_data_passes(): void
    {
        $data = [
            'contract_number' => 'ДГ-2026/042',
            'contract_date'   => '2026-02-20',
            'year'            => 2026,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertFalse($validator->fails());
    }

    public function test_contract_number_must_be_string(): void
    {
        $data = [
            'contract_number' => ['not', 'a', 'string'],
            'contract_date'   => '2026-01-15',
            'year'            => 2026,
        ];
        $request = new StoreContractRequest();
        $validator = Validator::make($data, $request->rules());
        $this->assertTrue($validator->fails());
        $this->assertArrayHasKey('contract_number', $validator->errors()->toArray());
    }
}