<?php

declare(strict_types=1);

use App\Models\{OauthToken, User};
use Illuminate\Support\Facades\Http;

function assignAzureFdAccess(User $user): void
{
    $protocol = App\Models\ConnectionProtocol::query()->where('name', 'url')->first();
    if (! $protocol) {
        $protocol = new App\Models\ConnectionProtocol();
        $protocol->name = 'url';
        $protocol->save();
    }

    $provider = App\Models\ConnectionProvider::query()->where('slug', 'azure-fd')->first();
    if (! $provider) {
        $provider = new App\Models\ConnectionProvider();
        $provider->name = 'Azure FD';
        $provider->slug = 'azure-fd';
        $provider->save();
    }

    $status = App\Models\ConnectionStatus::query()->where('name', 'connected')->first();
    if (! $status) {
        $status = new App\Models\ConnectionStatus();
        $status->name = 'connected';
        $status->save();
    }

    $app = App\Models\ConnectedApp::query()->create([
        'name' => 'Azure FD Portal',
        'slug' => 'azure-fd-portal',
        'connection_protocol_id' => $protocol->id,
        'connection_provider_id' => $provider->id,
        'connection_status_id' => $status->id,
        'settings' => [
            'url' => [
                'redirect_url' => 'https://azure.microsoft.com',
            ],
        ],
    ]);

    $role = App\Models\Role::findOrCreate('Azure User');
    $role->update(['priority' => 10]);
    $role->apps()->attach($app->id, ['duration' => now()->addYear()->toDateTimeString()]);

    $user->assignRole($role);
}

it('redirects unauthenticated users to login when connecting', function (): void {
    $this->get(route('entra.connect'))
        ->assertRedirect(route('login'));
});

it('returns 403 forbidden if user does not have permission for azure-fd app', function (): void {
    $user = User::factory()->create();

    $this->actingAs($user)
        ->get(route('entra.connect'))
        ->assertStatus(403);
});

it('redirects to Microsoft login on connect when authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);

    $response = $this->actingAs($user)
        ->get(route('entra.connect'));

    $response->assertRedirectContains('login.microsoftonline.com');
    $response->assertRedirectContains('oauth2/v2.0/authorize');
});

it('stores token and redirects to dashboard on successful callback when authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);

    Http::fake([
        'login.microsoftonline.com/*' => Http::response([
            'access_token' => 'fake-access-token',
            'refresh_token' => 'fake-refresh-token',
            'token_type' => 'Bearer',
            'expires_in' => 3600,
        ]),
    ]);

    $state = 'test-state-value';

    $response = $this->actingAs($user)
        ->withSession(['oauth_state' => $state])
        ->get(route('entra.callback', [
            'code' => 'fake-auth-code',
            'state' => $state,
        ]));

    $response->assertRedirect(route('dashboard.user'));
    $response->assertSessionHas('entra_success', 'Microsoft connected successfully!');

    $this->assertDatabaseHas('oauth_tokens', [
        'user_id' => $user->id,
        'provider' => 'microsoft',
        'token_type' => 'Bearer',
    ]);
});

it('redirects to dashboard with error on invalid state when authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);

    $response = $this->actingAs($user)
        ->withSession(['oauth_state' => 'correct-state'])
        ->get(route('entra.callback', [
            'code' => 'fake-code',
            'state' => 'wrong-state',
        ]));

    $response->assertRedirect(route('dashboard.user'));
    $response->assertSessionHas('entra_error');
});

it('redirects to dashboard with error when Microsoft returns error and authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);
    $state = 'test-state';

    $response = $this->actingAs($user)
        ->withSession(['oauth_state' => $state])
        ->get(route('entra.callback', [
            'error' => 'access_denied',
            'error_description' => 'User cancelled the request',
            'state' => $state,
        ]));

    $response->assertRedirect(route('dashboard.user'));
    $response->assertSessionHas('entra_error', 'User cancelled the request');
});

it('disconnects and removes the token when authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);

    OauthToken::create([
        'user_id' => $user->id,
        'provider' => 'microsoft',
        'access_token' => 'fake-token',
        'refresh_token' => 'fake-refresh',
        'token_type' => 'Bearer',
        'expires_at' => now()->addHour(),
    ]);

    $response = $this->actingAs($user)
        ->delete(route('entra.disconnect'));

    $response->assertRedirect(route('dashboard.user'));
    $response->assertSessionHas('entra_success', 'Microsoft disconnected.');

    $this->assertDatabaseMissing('oauth_tokens', [
        'user_id' => $user->id,
        'provider' => 'microsoft',
    ]);
});

it('updates existing token on re-connect when authorized', function (): void {
    $user = User::factory()->create();
    assignAzureFdAccess($user);

    OauthToken::create([
        'user_id' => $user->id,
        'provider' => 'microsoft',
        'access_token' => 'old-token',
        'refresh_token' => 'old-refresh',
        'token_type' => 'Bearer',
        'expires_at' => now()->subHour(),
    ]);

    Http::fake([
        'login.microsoftonline.com/*' => Http::response([
            'access_token' => 'new-access-token',
            'refresh_token' => 'new-refresh-token',
            'token_type' => 'Bearer',
            'expires_in' => 3600,
        ]),
    ]);

    $state = 'reconnect-state';

    $this->actingAs($user)
        ->withSession(['oauth_state' => $state])
        ->get(route('entra.callback', [
            'code' => 'new-auth-code',
            'state' => $state,
        ]));

    expect(OauthToken::where('user_id', $user->id)->where('provider', 'microsoft')->count())->toBe(1);

    $token = $user->oauthToken('microsoft');
    expect($token->access_token)->toBe('new-access-token');
    expect($token->refresh_token)->toBe('new-refresh-token');
});