<?php

declare(strict_types=1);

namespace Tests\Feature\Invitation;

use App\Models\Organisation;
use App\Models\User;
use App\Models\UserInvitation;
use Database\Seeders\RoleSeeder;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Mail;
use Laravel\Sanctum\Sanctum;
use Tests\TestCase;

class InvitationTest extends TestCase
{
    use RefreshDatabase;

    private Organisation $org;
    private User $orgAdmin;

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

        $this->org = Organisation::factory()->create();
        $this->orgAdmin = User::factory()->create();
        $this->org->users()->attach($this->orgAdmin, ['role' => 'org_admin']);
    }

    // --- INVITE ---

    public function test_org_admin_can_invite_user(): void
    {
        Mail::fake();
        Sanctum::actingAs($this->orgAdmin);

        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/invite", [
            'email' => 'newuser@test.nl',
            'role' => 'org_member',
        ]);

        $response->assertCreated();
        $this->assertDatabaseHas('user_invitations', [
            'email' => 'newuser@test.nl',
            'organisation_id' => $this->org->id,
            'status' => 'pending',
        ]);
        Mail::assertQueued(\App\Mail\InvitationMail::class);
    }

    public function test_org_member_cannot_invite_user(): void
    {
        $member = User::factory()->create();
        $this->org->users()->attach($member, ['role' => 'org_member']);
        Sanctum::actingAs($member);

        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/invite", [
            'email' => 'newuser@test.nl',
            'role' => 'org_member',
        ]);

        $response->assertForbidden();
    }

    public function test_invite_duplicate_email_returns_422(): void
    {
        Mail::fake();
        Sanctum::actingAs($this->orgAdmin);

        UserInvitation::factory()->create([
            'email' => 'existing@test.nl',
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
            'expires_at' => now()->addDays(7),
        ]);

        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/invite", [
            'email' => 'existing@test.nl',
            'role' => 'org_member',
        ]);

        $response->assertUnprocessable();
    }

    public function test_invite_existing_member_returns_422(): void
    {
        Mail::fake();
        $existingUser = User::factory()->create(['email' => 'member@test.nl']);
        $this->org->users()->attach($existingUser, ['role' => 'org_member']);

        Sanctum::actingAs($this->orgAdmin);

        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/invite", [
            'email' => 'member@test.nl',
            'role' => 'org_member',
        ]);

        $response->assertUnprocessable();
    }

    // --- SHOW ---

    public function test_show_invitation_by_token(): void
    {
        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
        ]);

        $response = $this->getJson("/api/v1/invitations/{$invitation->token}");

        $response->assertOk();
        $response->assertJsonPath('data.organisation.name', $this->org->name);
    }

    public function test_show_expired_invitation_returns_status_expired(): void
    {
        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
            'expires_at' => now()->subDay(),
        ]);

        $response = $this->getJson("/api/v1/invitations/{$invitation->token}");

        $response->assertOk();
        $response->assertJsonPath('data.status', 'expired');
    }

    public function test_show_unknown_token_returns_404(): void
    {
        $response = $this->getJson('/api/v1/invitations/nonexistent-token');

        $response->assertNotFound();
    }

    // --- ACCEPT ---

    public function test_accept_with_new_account(): void
    {
        $invitation = UserInvitation::factory()->create([
            'email' => 'newuser@test.nl',
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
            'expires_at' => now()->addDays(7),
        ]);

        $response = $this->postJson("/api/v1/invitations/{$invitation->token}/accept", [
            'name' => 'New User',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertOk();
        $response->assertJsonStructure(['data' => ['user' => ['id', 'name', 'email'], 'token']]);

        $this->assertDatabaseHas('users', ['email' => 'newuser@test.nl']);
        $this->assertDatabaseHas('organisation_user', [
            'organisation_id' => $this->org->id,
            'role' => $invitation->role,
        ]);
        $this->assertDatabaseHas('user_invitations', [
            'id' => $invitation->id,
            'status' => 'accepted',
        ]);
    }

    public function test_accept_with_existing_account(): void
    {
        $existingUser = User::factory()->create(['email' => 'existing@test.nl']);

        $invitation = UserInvitation::factory()->create([
            'email' => 'existing@test.nl',
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
            'expires_at' => now()->addDays(7),
        ]);

        $response = $this->postJson("/api/v1/invitations/{$invitation->token}/accept");

        $response->assertOk();
        $response->assertJsonStructure(['data' => ['user', 'token']]);

        $this->assertDatabaseHas('organisation_user', [
            'user_id' => $existingUser->id,
            'organisation_id' => $this->org->id,
        ]);
    }

    public function test_accept_expired_invitation_returns_422(): void
    {
        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
            'expires_at' => now()->subDay(),
        ]);

        $response = $this->postJson("/api/v1/invitations/{$invitation->token}/accept", [
            'name' => 'Test',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertUnprocessable();
    }

    public function test_accept_already_accepted_invitation_returns_422(): void
    {
        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'accepted',
            'expires_at' => now()->addDays(7),
        ]);

        $response = $this->postJson("/api/v1/invitations/{$invitation->token}/accept", [
            'name' => 'Test',
            'password' => 'password123',
            'password_confirmation' => 'password123',
        ]);

        $response->assertUnprocessable();
    }

    // --- REVOKE ---

    public function test_org_admin_can_revoke_invitation(): void
    {
        Sanctum::actingAs($this->orgAdmin);

        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
        ]);

        $response = $this->deleteJson(
            "/api/v1/organisations/{$this->org->id}/invitations/{$invitation->id}"
        );

        $response->assertNoContent();
        $this->assertDatabaseHas('user_invitations', [
            'id' => $invitation->id,
            'status' => 'expired',
        ]);
    }

    public function test_org_member_cannot_revoke_invitation(): void
    {
        $member = User::factory()->create();
        $this->org->users()->attach($member, ['role' => 'org_member']);
        Sanctum::actingAs($member);

        $invitation = UserInvitation::factory()->create([
            'organisation_id' => $this->org->id,
            'invited_by_user_id' => $this->orgAdmin->id,
            'status' => 'pending',
        ]);

        $response = $this->deleteJson(
            "/api/v1/organisations/{$this->org->id}/invitations/{$invitation->id}"
        );

        $response->assertForbidden();
    }

    public function test_unauthenticated_cannot_invite(): void
    {
        $response = $this->postJson("/api/v1/organisations/{$this->org->id}/invite", [
            'email' => 'test@test.nl',
            'role' => 'org_member',
        ]);

        $response->assertUnauthorized();
    }
}