<?php

namespace App\Http\Controllers;

use App\Models\ChatTopic;
use Illuminate\Http\Request;

class ChatTopicController extends Controller
{
    // Suggested chat topics (موضوعات پیشنهادی). Active only unless include_inactive=1.
    public function index(Request $request)
    {
        $query = ChatTopic::query();

        if (!$request->boolean('include_inactive')) {
            $query->where('is_active', true);
        }

        return response()->json($query->orderBy('order')->get());
    }

    public function show($id)
    {
        return response()->json(ChatTopic::findOrFail($id));
    }

    public function store(Request $request)
    {
        $data = $request->validate([
            'title' => 'required|string|max:255',
            'description' => 'nullable|string',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
        ]);

        $topic = ChatTopic::create($data);

        return response()->json([
            'message' => 'Topic created successfully',
            'topic' => $topic,
        ], 201);
    }

    public function update(Request $request, $id)
    {
        $topic = ChatTopic::findOrFail($id);

        $data = $request->validate([
            'title' => 'sometimes|string|max:255',
            'description' => 'nullable|string',
            'order' => 'nullable|integer',
            'is_active' => 'nullable|boolean',
        ]);

        $topic->update($data);

        return response()->json([
            'message' => 'Topic updated successfully',
            'topic' => $topic,
        ]);
    }

    public function destroy($id)
    {
        $topic = ChatTopic::findOrFail($id);
        $topic->delete();

        return response()->json(['message' => 'Topic deleted successfully']);
    }
}