<?php

namespace App\Http\Controllers;

use App\Models\IntegrationTemplate;
use App\Models\Service;
use Illuminate\Http\Request;
use Inertia\Inertia;

class TemplateController extends Controller
{
    public function index()
    {
        return Inertia::render('Template/Index', [
            'templates' => IntegrationTemplate::withCount('serviceItems')->get(),
        ]);
    }

    public function create()
    {
        return Inertia::render('Template/Create', [
            'services' => Service::all(),
        ]);
    }

    public function store(Request $request)
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'description' => 'nullable|string',
            'is_active' => 'boolean',
            'items' => 'required|array|min:1',
            'items.*.service_id' => 'required|exists:services,id',
            'items.*.label' => 'required|string|max:255',
            'items.*.is_mandatory' => 'boolean',
            'items.*.fields' => 'nullable|array',
            'items.*.fields.*.label' => 'required|string',
            'items.*.fields.*.type' => 'required|string|in:text,checkbox,date',
        ]);

        \Illuminate\Support\Facades\DB::transaction(function () use ($validated) {
            $template = IntegrationTemplate::create([
                'name' => $validated['name'],
                'description' => $validated['description'],
                'is_active' => $validated['is_active'] ?? true,
            ]);

            foreach ($validated['items'] as $item) {
                $template->serviceItems()->create([
                    'service_id' => $item['service_id'],
                    'label' => $item['label'],
                    'is_mandatory' => $item['is_mandatory'] ?? false,
                    'fields' => $item['fields'] ?? [],
                ]);
            }
        });

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

    public function edit(IntegrationTemplate $template)
    {
        $template->load('serviceItems');

        return Inertia::render('Template/Edit', [
            'template' => $template,
            'services' => Service::all(),
        ]);
    }

    public function update(Request $request, IntegrationTemplate $template)
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'description' => 'nullable|string',
            'is_active' => 'boolean',
            'items' => 'required|array|min:1',
            'items.*.service_id' => 'required|exists:services,id',
            'items.*.label' => 'required|string|max:255',
            'items.*.is_mandatory' => 'boolean',
            'items.*.fields' => 'nullable|array',
            'items.*.fields.*.label' => 'required|string',
            'items.*.fields.*.type' => 'required|string|in:text,checkbox,date',
        ]);

        \Illuminate\Support\Facades\DB::transaction(function () use ($template, $validated) {
            $template->update([
                'name' => $validated['name'],
                'description' => $validated['description'],
                'is_active' => $validated['is_active'],
            ]);

            // Sync items: simpler to delete all and recreate
            $template->serviceItems()->delete();

            foreach ($validated['items'] as $item) {
                $template->serviceItems()->create([
                    'service_id' => $item['service_id'],
                    'label' => $item['label'],
                    'is_mandatory' => $item['is_mandatory'] ?? false,
                    'fields' => $item['fields'] ?? [],
                ]);
            }
        });

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

    public function destroy(IntegrationTemplate $template)
    {
        $template->delete();
        return back()->with('success', 'Template supprimé.');
    }
}