<?php

namespace App\Http\Controllers;

use App\Actions\Integration\CreateIntegrationAction;
use App\Models\IntegrationRequest;
use App\Models\IntegrationTemplate;
use Illuminate\Http\Request;
use Inertia\Inertia;

class IntegrationController extends Controller
{
    public function index()
    {
        return Inertia::render('Integration/Index', [
            'integrations' => IntegrationRequest::with(['agent', 'template'])->latest()->get(),
        ]);
    }

    public function create()
    {
        return Inertia::render('Integration/Create', [
            'templates' => IntegrationTemplate::where('is_active', true)->get(),
        ]);
    }

    public function store(Request $request, CreateIntegrationAction $action)
    {
        $validated = $request->validate([
            'first_name' => 'required|string|max:255',
            'last_name' => 'required|string|max:255',
            'email' => 'required|email|unique:agents,email',
            'position' => 'required|string|max:255',
            'department' => 'required|string|max:255',
            'arrival_date' => 'required|date',
            'template_id' => 'nullable|exists:integration_templates,id',
        ]);

        $integration = $action->execute($validated);

        return redirect()->route('integrations.show', $integration);
    }

    public function show(IntegrationRequest $integration)
    {
        $integration->load([
            'agent', 
            'template', 
            'serviceTasks.service', 
            'serviceTasks.taskItems',
            'serviceTasks.comments.user',
            'serviceTasks.attachments',
            'activities.causer',
            'comments.user'
        ]);

        $taskActivities = \Spatie\Activitylog\Models\Activity::where('subject_type', \App\Models\ServiceTask::class)
            ->whereIn('subject_id', $integration->serviceTasks->pluck('id'))
            ->with('causer')
            ->latest()
            ->get();

        return Inertia::render('Integration/Show', [
            'integration' => $integration,
            'activities' => $integration->activities->merge($taskActivities)->sortByDesc('created_at')->values(),
        ]);
    }

    public function validateRH(IntegrationRequest $integration, \App\Services\IntegrationService $service)
    {
        $this->authorize('update', $integration);
        
        $service->validateRH($integration);

        return back()->with('success', 'Intégration validée par les RH. Les services ont été notifiés.');
    }

    public function downloadPdf(IntegrationRequest $integration)
    {
        // Load relationships needed for the PDF
        $integration->load([
            'agent', 
            'template', 
            'serviceTasks.service', 
            'serviceTasks.taskItems.completedBy'
        ]);

        $pdf = \Barryvdh\DomPDF\Facade\Pdf::loadView('pdf.integration', [
            'integration' => $integration,
            'agent' => $integration->agent,
            'date' => now()->format('d/m/Y'),
        ]);

        // Define paper size and orientation if needed, e.g., A4 portrait
        $pdf->setPaper('a4', 'portrait');

        return $pdf->download("Fiche_Agent_{$integration->agent->last_name}_{$integration->agent->first_name}.pdf");
    }
}