<?php

namespace Tests\Feature;

use App\Models\Contract;
use App\Models\Role;
use App\Models\User;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class ContractControllerTest extends TestCase
{
    use RefreshDatabase;

    protected $seed = true;

    private User $adminUser;
    private User $managerUser;

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

        $this->adminUser = User::factory()->create(['role' => Role::ADMIN]);
        $this->managerUser = User::factory()->create(['role' => Role::MANAGER]);
    }

    // ==================== Authentication ====================

    public function test_guest_cannot_access_contracts_index(): void
    {
        $response = $this->get(route('contract.index'));

        $response->assertRedirect(route('login'));
    }

    public function test_guest_cannot_access_contract_create(): void
    {
        $response = $this->get(route('contract.create'));

        $response->assertRedirect(route('login'));
    }

    public function test_guest_cannot_store_contract(): void
    {
        $response = $this->post(route('contract.store'), []);

        $response->assertRedirect(route('login'));
    }

    public function test_guest_cannot_update_contract(): void
    {
        $contract = Contract::factory()->create();

        $response = $this->post(route('contract.update', $contract), []);

        $response->assertRedirect(route('login'));
    }

    public function test_guest_cannot_delete_contract(): void
    {
        $contract = Contract::factory()->create();

        $response = $this->delete(route('contract.delete', $contract));

        $response->assertRedirect(route('login'));
    }

    // ==================== Index ====================

    public function test_admin_can_access_contracts_index(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->get(route('contract.index'));

        $response->assertStatus(200);
        $response->assertViewIs('contracts.index');
    }

    public function test_manager_can_access_contracts_index(): void
    {
        $response = $this->actingAs($this->managerUser)
            ->get(route('contract.index'));

        $response->assertStatus(200);
        $response->assertViewIs('contracts.index');
    }

    // ==================== Create/Show ====================

    public function test_admin_can_access_contract_create_form(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->get(route('contract.create'));

        $response->assertStatus(200);
        $response->assertViewIs('contracts.edit');
    }

    public function test_admin_can_view_contract(): void
    {
        $contract = Contract::factory()->create();

        $response = $this->actingAs($this->adminUser)
            ->get(route('contract.show', $contract));

        $response->assertStatus(200);
        $response->assertViewIs('contracts.edit');
    }

    // ==================== Store ====================

    public function test_admin_can_create_contract(): void
    {
        $contractData = [
            'contract_number' => 'CONTRACT-2026-001',
            'contract_date' => '2026-01-15',
            'year' => 2026,
        ];

        $response = $this->actingAs($this->adminUser)
            ->post(route('contract.store'), $contractData);

        $response->assertRedirect(route('contract.index'));
        $this->assertDatabaseHas('contracts', [
            'contract_number' => 'CONTRACT-2026-001',
            'year' => 2026,
        ]);
    }

    public function test_manager_cannot_create_contract(): void
    {
        $contractData = [
            'contract_number' => 'CONTRACT-2026-002',
            'contract_date' => '2026-01-15',
            'year' => 2026,
        ];

        $response = $this->actingAs($this->managerUser)
            ->post(route('contract.store'), $contractData);

        $response->assertStatus(403);
        $this->assertDatabaseMissing('contracts', [
            'contract_number' => 'CONTRACT-2026-002',
        ]);
    }

    public function test_store_contract_requires_contract_number(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->post(route('contract.store'), [
                'contract_date' => '2026-01-15',
                'year' => 2026,
            ]);

        $response->assertSessionHasErrors('contract_number');
    }

    public function test_store_contract_requires_contract_date(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->post(route('contract.store'), [
                'contract_number' => 'CONTRACT-2026-003',
                'year' => 2026,
            ]);

        $response->assertSessionHasErrors('contract_date');
    }

    public function test_store_contract_requires_year(): void
    {
        $response = $this->actingAs($this->adminUser)
            ->post(route('contract.store'), [
                'contract_number' => 'CONTRACT-2026-004',
                'contract_date' => '2026-01-15',
            ]);

        $response->assertSessionHasErrors('year');
    }

    // ==================== Update ====================

    public function test_admin_can_update_contract(): void
    {
        $contract = Contract::factory()->create([
            'contract_number' => 'OLD-NUMBER',
            'year' => 2025,
        ]);

        $response = $this->actingAs($this->adminUser)
            ->post(route('contract.update', $contract), [
                'contract_number' => 'NEW-NUMBER',
                'contract_date' => '2026-02-01',
                'year' => 2026,
            ]);

        $response->assertRedirect(route('contract.index'));
        $this->assertDatabaseHas('contracts', [
            'id' => $contract->id,
            'contract_number' => 'NEW-NUMBER',
            'year' => 2026,
        ]);
    }

    public function test_manager_cannot_update_contract(): void
    {
        $contract = Contract::factory()->create([
            'contract_number' => 'ORIGINAL-NUMBER',
        ]);

        $response = $this->actingAs($this->managerUser)
            ->post(route('contract.update', $contract), [
                'contract_number' => 'MODIFIED-NUMBER',
                'contract_date' => '2026-02-01',
                'year' => 2026,
            ]);

        $response->assertStatus(403);
        $this->assertDatabaseHas('contracts', [
            'id' => $contract->id,
            'contract_number' => 'ORIGINAL-NUMBER',
        ]);
    }

    // ==================== Delete ====================

    public function test_admin_can_delete_contract(): void
    {
        $contract = Contract::factory()->create();

        $response = $this->actingAs($this->adminUser)
            ->delete(route('contract.delete', $contract));

        $response->assertRedirect(route('contract.index'));
        $this->assertDatabaseMissing('contracts', ['id' => $contract->id]);
    }

    public function test_manager_can_delete_contract(): void
    {
        $contract = Contract::factory()->create();

        $response = $this->actingAs($this->managerUser)
            ->delete(route('contract.delete', $contract));

        $response->assertRedirect(route('contract.index'));
        $this->assertDatabaseMissing('contracts', ['id' => $contract->id]);
    }
}