<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\NarratorText;
use App\Models\Translation;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;

class NarratorController extends Controller
{
    private const VALID_CONTEXTS = [
        'intro',
        'transition_projects',
        'transition_skills',
        'transition_testimonials',
        'transition_journey',
        'hint',
        'encouragement_25',
        'encouragement_50',
        'encouragement_75',
        'contact_unlocked',
        'welcome_back',
    ];

    private const VALID_HERO_TYPES = ['recruteur', 'client', 'dev'];

    public function getText(Request $request, string $context): JsonResponse
    {
        if (!in_array($context, self::VALID_CONTEXTS)) {
            return response()->json([
                'error' => [
                    'code' => 'INVALID_CONTEXT',
                    'message' => 'Invalid narrator context',
                    'valid_contexts' => self::VALID_CONTEXTS,
                ],
            ], 404);
        }

        $lang = app()->getLocale();
        $heroType = $request->query('hero');

        // Valider hero_type
        if ($heroType && !in_array($heroType, self::VALID_HERO_TYPES)) {
            $heroType = null;
        }

        $narratorText = NarratorText::getRandomText($context, $heroType);

        if (!$narratorText) {
            return response()->json([
                'error' => [
                    'code' => 'NO_TEXT_FOUND',
                    'message' => 'No narrator text found for this context',
                ],
            ], 404);
        }

        $text = Translation::getTranslation($narratorText->text_key, $lang);

        return response()->json([
            'data' => [
                'context' => $context,
                'text' => $text,
                'variant' => $narratorText->variant,
                'hero_type' => $narratorText->hero_type,
            ],
            'meta' => [
                'lang' => $lang,
            ],
        ]);
    }
}