<?php

namespace Tests\Feature;

use App\Models\Device;
use App\Models\DeviceState;
use App\Models\Entity;
use App\Services\DeviceCommandService;
use App\Services\ShellyLocalOnboarder;
use App\Services\ShellyPoller;
use App\Support\Shelly\ShellyRpc;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Tests\TestCase;

class ShellyHttpTest extends TestCase
{
    use RefreshDatabase;

    private function fakeShelly(bool $switchOn = true): void
    {
        Http::fake(['*/rpc' => function ($request) use ($switchOn) {
            $method = $request->data()['method'] ?? '';
            $result = match ($method) {
                'Shelly.GetDeviceInfo' => ['id' => 'shellyplus1-abc', 'model' => 'SNSW-001X16EU', 'name' => 'Flur'],
                'Shelly.GetStatus' => [
                    'switch:0' => ['id' => 0, 'output' => $switchOn, 'apower' => 5.0],
                    'input:0' => ['id' => 0, 'state' => false],
                    'sys' => ['restart_required' => false],
                ],
                default => [],
            };

            return Http::response(['id' => 1, 'result' => $result]);
        }]);
    }

    public function test_local_onboarder_creates_an_http_device_from_the_api(): void
    {
        $this->fakeShelly();

        $device = app(ShellyLocalOnboarder::class)->onboard('10.10.30.78', 'Deckenlicht', null);

        $this->assertSame('http', $device->protocol);
        $this->assertSame('10.10.30.78', data_get($device->config, 'ip'));
        $this->assertSame('shellyplus1-abc', data_get($device->config, 'mqtt_prefix'));
        $this->assertSame('SNSW-001X16EU', $device->model);
        $this->assertTrue(data_get($device->entities()->where('key', 'switch:0')->first()->state->state, 'on'));
        $this->assertSame(5, data_get($device->entities()->where('key', 'power:0')->first()->state->state, 'watts'));
    }

    public function test_onboarding_reuses_a_device_auto_created_via_mqtt(): void
    {
        $this->fakeShelly();
        Device::create(['name' => 'x', 'vendor' => 'Shelly', 'protocol' => 'mqtt', 'config' => ['mqtt_prefix' => 'shellyplus1-abc']]);

        app(ShellyLocalOnboarder::class)->onboard('10.10.30.78');

        $this->assertSame(1, Device::where('config->mqtt_prefix', 'shellyplus1-abc')->count());
        $this->assertSame('http', Device::where('config->mqtt_prefix', 'shellyplus1-abc')->first()->protocol);
    }

    public function test_onboarding_does_not_hijack_a_different_device_on_a_reused_ip(): void
    {
        // Device A previously held this IP (a different Shelly). After DHCP reassignment a new
        // Shelly answers at the same IP — it must NOT overwrite A.
        $a = Device::create(['name' => 'A', 'vendor' => 'Shelly', 'protocol' => 'http', 'config' => ['ip' => '10.10.30.78', 'mqtt_prefix' => 'other-shelly']]);
        $this->fakeShelly(); // identifies as shellyplus1-abc

        $device = app(ShellyLocalOnboarder::class)->onboard('10.10.30.78');

        $this->assertNotSame($a->id, $device->id);
        $this->assertSame('other-shelly', data_get($a->fresh()->config, 'mqtt_prefix'));
        $this->assertSame('shellyplus1-abc', data_get($device->config, 'mqtt_prefix'));
    }

    public function test_http_driver_controls_via_rpc_and_audits(): void
    {
        $this->fakeShelly();
        $device = app(ShellyLocalOnboarder::class)->onboard('10.10.30.78');
        Http::fake(['*/rpc' => Http::response(['id' => 1, 'result' => []])]); // reset recorded calls target

        $entity = $device->entities()->where('key', 'switch:0')->first();
        $command = app(DeviceCommandService::class)->setOn($entity->load('device', 'state'), false);

        $this->assertSame('ok', $command->result);
        Http::assertSent(fn ($request) => str_contains($request->url(), '/rpc')
            && ($request->data()['method'] ?? '') === 'Switch.Set'
            && ($request->data()['params']['on'] ?? null) === false);
    }

    public function test_poller_applies_status_and_marks_reachable(): void
    {
        $device = Device::create(['name' => 'Flur', 'vendor' => 'Shelly', 'protocol' => 'http', 'config' => ['ip' => '10.10.30.78']]);
        $this->fakeShelly(switchOn: false);

        $this->assertTrue(app(ShellyPoller::class)->poll($device));
        $this->assertFalse(data_get($device->entities()->where('key', 'switch:0')->first()->state->state, 'on'));
        $this->assertNotNull($device->fresh()->last_seen_at);
    }

    public function test_poller_returns_false_when_unreachable(): void
    {
        $device = Device::create(['name' => 'Flur', 'vendor' => 'Shelly', 'protocol' => 'http', 'config' => ['ip' => '10.10.30.99']]);
        Http::fake(['*/rpc' => fn () => throw new \Illuminate\Http\Client\ConnectionException('unreachable')]);

        $this->assertFalse(app(ShellyPoller::class)->poll($device));
    }

    public function test_rpc_reachable_reflects_availability(): void
    {
        $this->fakeShelly();
        $this->assertTrue(app(ShellyRpc::class)->reachable('10.10.30.78'));

        Http::fake(['*/rpc' => fn () => throw new \Illuminate\Http\Client\ConnectionException('nope')]);
        $this->assertFalse(app(ShellyRpc::class)->reachable('10.10.30.99'));
    }
}