<?php

declare(strict_types=1);

namespace Tests\Unit\Policies\FormBuilder;

use App\Models\FormBuilder\FormSchema;
use App\Models\FormBuilder\FormSubmission;
use App\Models\FormBuilder\FormSubmissionActionFailure;
use App\Models\Organisation;
use App\Models\User;
use App\Policies\FormBuilder\FormSubmissionActionFailurePolicy;
use Database\Seeders\RoleSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

/**
 * RFC V3 — IDOR-class FK-chain enforcement.
 *
 * The cross-tenant test below is the IDOR-class assertion: an admin
 * from organisation B must not be able to access a failure whose
 * submission belongs to organisation A. Findable in audit by the
 * "IDOR" search term in this docblock.
 */
final class FormSubmissionActionFailurePolicyTest extends TestCase
{
    use RefreshDatabase;

    private Organisation $orgA;

    private Organisation $orgB;

    private User $superAdmin;

    private User $orgAdminA;

    private User $orgAdminB;

    private User $regular;

    protected function setUp(): void
    {
        parent::setUp();
        $this->seed(RoleSeeder::class);

        $this->orgA = Organisation::factory()->create();
        $this->orgB = Organisation::factory()->create();

        $this->superAdmin = User::factory()->create();
        $this->superAdmin->assignRole('super_admin');

        $this->orgAdminA = User::factory()->create();
        $this->orgA->users()->attach($this->orgAdminA, ['role' => 'org_admin']);

        $this->orgAdminB = User::factory()->create();
        $this->orgB->users()->attach($this->orgAdminB, ['role' => 'org_admin']);

        $this->regular = User::factory()->create();
    }

    public function test_super_admin_can_perform_all_abilities(): void
    {
        $failure = $this->failureFor($this->orgA);

        $this->assertTrue($this->policy()->view($this->superAdmin, $failure));
        $this->assertTrue($this->policy()->retry($this->superAdmin, $failure));
        $this->assertTrue($this->policy()->resolve($this->superAdmin, $failure));
        $this->assertTrue($this->policy()->dismiss($this->superAdmin, $failure));
    }

    public function test_org_admin_in_correct_org_can_perform_all_abilities(): void
    {
        $failure = $this->failureFor($this->orgA);

        $this->assertTrue($this->policy()->view($this->orgAdminA, $failure));
        $this->assertTrue($this->policy()->retry($this->orgAdminA, $failure));
        $this->assertTrue($this->policy()->resolve($this->orgAdminA, $failure));
        $this->assertTrue($this->policy()->dismiss($this->orgAdminA, $failure));
    }

    /**
     * IDOR — RFC V3. An org admin in B must NOT see a failure in A.
     */
    public function test_org_admin_of_other_org_cannot_access_cross_tenant(): void
    {
        $failure = $this->failureFor($this->orgA);

        $this->assertFalse($this->policy()->view($this->orgAdminB, $failure));
        $this->assertFalse($this->policy()->retry($this->orgAdminB, $failure));
        $this->assertFalse($this->policy()->resolve($this->orgAdminB, $failure));
        $this->assertFalse($this->policy()->dismiss($this->orgAdminB, $failure));
    }

    public function test_regular_user_without_admin_role_denied_all(): void
    {
        $failure = $this->failureFor($this->orgA);

        $this->assertFalse($this->policy()->view($this->regular, $failure));
        $this->assertFalse($this->policy()->retry($this->regular, $failure));
        $this->assertFalse($this->policy()->resolve($this->regular, $failure));
        $this->assertFalse($this->policy()->dismiss($this->regular, $failure));
    }

    public function test_view_any_super_admin_yes_org_admin_yes_regular_no(): void
    {
        $this->assertTrue($this->policy()->viewAny($this->superAdmin));
        $this->assertTrue($this->policy()->viewAny($this->orgAdminA));
        $this->assertFalse($this->policy()->viewAny($this->regular));
    }

    public function test_view_returns_false_when_parent_submission_soft_deleted(): void
    {
        $failure = $this->failureFor($this->orgA);
        // Soft-delete the submission. The failure row is preserved (no
        // cascade on soft-delete); the policy's submission relation
        // honours the SoftDeletes scope and returns null.
        FormSubmission::query()->withoutGlobalScopes()->where('id', $failure->form_submission_id)->delete();

        $reloaded = FormSubmissionActionFailure::query()->find($failure->id);
        $this->assertNotNull($reloaded);

        $this->assertFalse($this->policy()->view($this->superAdmin, $reloaded));
    }

    private function policy(): FormSubmissionActionFailurePolicy
    {
        return new FormSubmissionActionFailurePolicy();
    }

    private function failureFor(Organisation $organisation): FormSubmissionActionFailure
    {
        $schema = FormSchema::factory()->create(['organisation_id' => $organisation->id]);
        $submission = FormSubmission::factory()->create([
            'form_schema_id' => $schema->id,
            'organisation_id' => $organisation->id,
        ]);

        return FormSubmissionActionFailure::factory()
            ->for($submission, 'submission')
            ->create();
    }
}