<?php

declare(strict_types=1);

namespace Tests\Feature\Api\Admin;

use App\Models\ModuleDatacenter;
use App\Models\User;
use App\Models\VirtualMachines;
use App\Models\vCenter;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Http\Client\Request;
use Illuminate\Support\Facades\Http;
use Spatie\Permission\Models\Role;
use Tests\TestCase;

class VCenterManagerVmStatsTest extends TestCase
{
    use RefreshDatabase;

    private User $admin;

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

        Role::firstOrCreate(['name' => 'Full Administrator', 'guard_name' => 'admin']);
        $this->admin = User::factory()->create();
        $this->admin->assignRole('Full Administrator');

        config()->set('portal-monitor.url', 'http://portal-monitor-api:8080');
        config()->set('portal-monitor.api_key', 'test-api-key');
        config()->set('portal-monitor.timeout', 3);
    }

    private function datacenterId(): int
    {
        $vcenter = vCenter::create(['host' => 'vcenter.test']);

        return ModuleDatacenter::create([
            'name' => 'DC-01',
            'datacenter_id' => 'datacenter-1',
            'vcenter_id' => $vcenter->id,
        ])->id;
    }

    public function test_stats_resolves_database_id_and_returns_portal_monitor_metrics(): void
    {
        $vm = VirtualMachines::create([
            'uuid' => '8d804daf-c856-4a99-b749-fb97060b84f0',
            'vm_id' => 'vm-217209',
            'name' => 'web-01',
            'power_state' => 'POWERED_ON',
            'ram_mb' => 8192,
            'datacenter_id' => $this->datacenterId(),
        ]);

        Http::fake([
            'http://portal-monitor-api:8080/api/v1/vsphere/vms/vm-217209/metrics' => Http::response([
                'success' => true,
                'data' => [
                    'cpu_usage_percent' => 12.5,
                    'cpu_mhz' => 420.25,
                    'cpu_ready_ms' => 1.5,
                    'memory_active_mb' => 2048.5,
                    'memory_consumed_mb' => 3072.5,
                    'guest_memory_usage_percent' => 25.1,
                    'disk_read_bps' => 1024,
                    'disk_write_bps' => 2048,
                    'disk_latency_ms' => 4.2,
                    'network_rx_bps' => 4096,
                    'network_tx_bps' => 8192,
                    'timestamp' => '2026-10-17T08:00:00Z',
                    'stale' => true,
                ],
            ]),
            'http://portal-monitor-api:8080/api/v1/vsphere/vms/vm-217209/storage' => Http::response([
                'success' => true,
                'data' => [
                    'summary' => [
                        'total_bytes' => 161061273600,
                        'used_bytes' => 107374182400,
                        'free_bytes' => 53687091200,
                        'usage_percent' => 66.6667,
                    ],
                    'disks' => [
                        ['capacity_bytes' => 53687091200],
                        ['capacity_bytes' => 107374182400],
                    ],
                ],
            ]),
        ]);

        $this->actingAs($this->admin, 'admin')
            ->getJson('/api/v1/administrator/vcenter-manager/vm/stats?vm_id=' . $vm->id)
            ->assertOk()
            ->assertJsonPath('data.cpu_usage_percent', 12.5)
            ->assertJsonPath('data.mem_usage_mb', 2048.5)
            ->assertJsonPath('data.mem_consumed_mb', 3072.5)
            ->assertJsonPath('data.mem_total_mb', 8192)
            ->assertJsonPath('data.disk_read_bps', 1024)
            ->assertJsonPath('data.disk_total_bytes', 161061273600)
            ->assertJsonPath('data.disk_used_bytes', 107374182400)
            ->assertJsonPath('data.disk_usage_percent', 66.6667)
            ->assertJsonPath('data.timestamp', '2026-10-17T08:00:00Z')
            ->assertJsonPath('data.stale', true);

        Http::assertSent(fn (Request $request) =>
            $request->url() === 'http://portal-monitor-api:8080/api/v1/vsphere/vms/vm-217209/metrics'
            && $request->hasHeader('X-API-Key', 'test-api-key')
        );
        Http::assertSent(fn (Request $request) =>
            $request->url() === 'http://portal-monitor-api:8080/api/v1/vsphere/vms/vm-217209/storage'
            && $request->hasHeader('X-API-Key', 'test-api-key')
        );
    }

    public function test_stats_returns_sanitized_gateway_error(): void
    {
        $vm = VirtualMachines::create([
            'uuid' => '796ae79b-b8b9-4638-9be2-d1b3b39325f2',
            'vm_id' => 'vm-217210',
            'name' => 'web-02',
            'power_state' => 'POWERED_ON',
            'datacenter_id' => $this->datacenterId(),
        ]);

        Http::fake([
            '*' => Http::response([
                'error' => ['message' => 'upstream-secret-detail'],
            ], 500),
        ]);

        $this->actingAs($this->admin, 'admin')
            ->getJson('/api/v1/administrator/vcenter-manager/vm/stats?vm_id=' . $vm->id)
            ->assertStatus(502)
            ->assertExactJson([
                'error' => true,
                'message' => 'Unable to fetch VM metrics',
            ])
            ->assertDontSee('upstream-secret-detail');
    }

    public function test_stats_does_not_call_monitor_for_powered_off_vm(): void
    {
        $vm = VirtualMachines::create([
            'uuid' => 'f33f3f6c-dd0a-45f7-82f7-4c61a0d4e750',
            'vm_id' => 'vm-217211',
            'name' => 'web-03',
            'power_state' => 'POWERED_OFF',
            'datacenter_id' => $this->datacenterId(),
        ]);

        Http::fake();

        $this->actingAs($this->admin, 'admin')
            ->getJson('/api/v1/administrator/vcenter-manager/vm/stats?vm_id=' . $vm->id)
            ->assertStatus(400);

        Http::assertNothingSent();
    }
}