<?php

namespace App\Http\Controllers;

use App\Models\Devis;
use App\Models\DevisSetting;
use Illuminate\Http\Request;
use Inertia\Inertia;
use Barryvdh\DomPDF\Facade\Pdf;

class DevisController extends Controller
{
    public function index()
    {
        $devis = Devis::latest()->get();
        return Inertia::render('Devis/Index', [
            'devis' => $devis
        ]);
    }

    public function create()
    {
        return Inertia::render('Devis/Create');
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'title' => 'required|string|max:255',
            'destinataire_type' => 'required|string|in:commune,service_interne',
            'destinataire_nom' => 'required|string|max:255',
            'referent' => 'nullable|string|max:255',
            'date_devis' => 'required|date',
            'status' => 'required|string|in:draft,sent,accepted,rejected',
            'items' => 'nullable|array',
            'tva_rate' => 'nullable|numeric|min:0|max:100',
            'notes' => 'nullable|string',
        ]);

        // Calculer les montants
        $totalHt = 0;
        if (!empty($validated['items'])) {
            foreach ($validated['items'] as $item) {
                $qty = floatval($item['quantite'] ?? 0);
                $price = floatval($item['prix_unitaire'] ?? 0);
                $totalHt += $qty * $price;
            }
        }

        $tvaRate = floatval($validated['tva_rate'] ?? 20);
        $totalTtc = $totalHt * (1 + ($tvaRate / 100));

        $validated['total_ht'] = $totalHt;
        $validated['total_ttc'] = $totalTtc;

        Devis::create($validated);

        return redirect()->route('devis.index')->with('success', 'Devis créé avec succès.');
    }

    public function show(Devis $devi)
    {
        $settings = DevisSetting::first() ?? DevisSetting::create([
            'entity_name' => "Direction des Systèmes d'Information",
            'entity_sub' => "Communauté d'Agglomération Béziers Méditerranée",
            'email' => "support.informatique@beziers-mediterranee.fr",
            'telephone' => "04.67.01.60.00",
            'adresse' => "Béziers, France",
        ]);

        return Inertia::render('Devis/Show', [
            'devis' => $devi,
            'settings' => $settings
        ]);
    }

    public function edit(Devis $devi)
    {
        return Inertia::render('Devis/Edit', [
            'devis' => $devi
        ]);
    }

    public function update(Request $request, Devis $devi)
    {
        $validated = $request->validate([
            'title' => 'required|string|max:255',
            'destinataire_type' => 'required|string|in:commune,service_interne',
            'destinataire_nom' => 'required|string|max:255',
            'referent' => 'nullable|string|max:255',
            'date_devis' => 'required|date',
            'status' => 'required|string|in:draft,sent,accepted,rejected',
            'items' => 'nullable|array',
            'tva_rate' => 'nullable|numeric|min:0|max:100',
            'notes' => 'nullable|string',
        ]);

        // Calculer les montants
        $totalHt = 0;
        if (!empty($validated['items'])) {
            foreach ($validated['items'] as $item) {
                $qty = floatval($item['quantite'] ?? 0);
                $price = floatval($item['prix_unitaire'] ?? 0);
                $totalHt += $qty * $price;
            }
        }

        $tvaRate = floatval($validated['tva_rate'] ?? 20);
        $totalTtc = $totalHt * (1 + ($tvaRate / 100));

        $validated['total_ht'] = $totalHt;
        $validated['total_ttc'] = $totalTtc;

        $devi->update($validated);

        return redirect()->route('devis.index')->with('success', 'Devis mis à jour avec succès.');
    }

    public function destroy(Devis $devi)
    {
        $devi->delete();
        return redirect()->route('devis.index')->with('success', 'Devis supprimé avec succès.');
    }

    public function settings()
    {
        $settings = DevisSetting::first() ?? DevisSetting::create([
            'entity_name' => "Direction des Systèmes d'Information",
            'entity_sub' => "Communauté d'Agglomération Béziers Méditerranée",
            'email' => "support.informatique@beziers-mediterranee.fr",
            'telephone' => "04.67.01.60.00",
            'adresse' => "Béziers, France",
        ]);

        return Inertia::render('Devis/Settings', [
            'settings' => $settings
        ]);
    }

    public function updateSettings(Request $request)
    {
        $validated = $request->validate([
            'entity_name' => 'required|string|max:255',
            'entity_sub' => 'required|string|max:255',
            'email' => 'required|email|max:255',
            'telephone' => 'required|string|max:50',
            'adresse' => 'nullable|string|max:255',
        ]);

        $settings = DevisSetting::first();
        if ($settings) {
            $settings->update($validated);
        } else {
            DevisSetting::create($validated);
        }

        return redirect()->route('devis.index')->with('success', 'Paramètres du devis mis à jour avec succès.');
    }

    public function downloadPdf(Devis $devi)
    {
        $settings = DevisSetting::first() ?? DevisSetting::create([
            'entity_name' => "Direction des Systèmes d'Information",
            'entity_sub' => "Communauté d'Agglomération Béziers Méditerranée",
            'email' => "support.informatique@beziers-mediterranee.fr",
            'telephone' => "04.67.01.60.00",
            'adresse' => "Béziers, France",
        ]);

        $pdf = Pdf::loadView('pdf.devis', [
            'devis' => $devi,
            'settings' => $settings,
        ]);

        return $pdf->download("devis-{$devi->number}.pdf");
    }
}