<?php

namespace App\Http\Controllers\Chatbot;

use App\Http\Controllers\Controller;
use App\Models\ChatFeedback;
use App\Models\ChatLog;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class FeedbackController extends Controller
{
    /**
     * Simpan feedback untuk satu jawapan chatbot.
     */
    public function store(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'chat_log_id'    => ['required', 'integer', 'exists:chat_logs,id'],
            'rating'         => ['required', 'in:helpful,not_helpful,partially_helpful'],
            'comment'        => ['nullable', 'string', 'max:1000'],
            'correct_answer' => ['nullable', 'string', 'max:5000'],
        ]);

        $chatLog = ChatLog::findOrFail($validated['chat_log_id']);

        // Elak duplikasi feedback
        if ($chatLog->feedback) {
            return response()->json([
                'success' => false,
                'message' => 'Anda sudah memberikan feedback untuk soalan ini.',
            ], 409);
        }

        $feedback = ChatFeedback::create([
            'chat_log_id'    => $chatLog->id,
            'user_id'        => auth()->id(),
            'rating'         => $validated['rating'],
            'comment'        => $validated['comment'] ?? null,
            'correct_answer' => $validated['correct_answer'] ?? null,
        ]);

        // Flag untuk semakan admin jika jawapan tidak membantu
        if ($validated['rating'] === ChatFeedback::RATING_NOT_HELPFUL) {
            $chatLog->update(['is_flagged' => true]);
        }

        return response()->json([
            'success' => true,
            'message' => 'Terima kasih atas maklum balas anda.',
        ]);
    }
}