from flask import Flask, request, jsonify
import requests
import urllib.parse
import re

app = Flask(__name__)

@app.route('/translate', methods=['POST'])
def handle_translation():
    data = request.get_json()
    if not data or 'text' not in data:
        return jsonify({"error": "Missing 'text' in request"}), 400
    
    term = data['text'].strip()
    
    # Validate single word/term
    if not term:
        return jsonify({"error": "Empty input"}), 400
    if re.search(r'\s{2,}', term) or len(term.split()) > 2:
        return jsonify({"error": "Input must be a single word or short term (max 2 words)"}), 400

    try:
        mestreechs_translation = translate_to_mestreechs(term)
        return jsonify({
            "dutch_term": term,
            "mestreechs_translation": mestreechs_translation
        })
    
    except Exception as e:
        return jsonify({"error": str(e)}), 500

def translate_to_mestreechs(dutch_term):
    try:
        # Encode term for URL
        encoded_term = urllib.parse.quote(dutch_term)
        url = f"https://www.limburgs.net/api/search/{encoded_term}?dialects=Maastricht&languageDirection=NL-LI&deep=false"
        
        response = requests.get(url, timeout=5)
        if response.status_code == 200:
            results = response.json()
            if results and isinstance(results, list) and results and results[0].get('dialects'):
                return results[0]['dialects'][0]['translation']
        return "Translation not found"
    except requests.exceptions.Timeout:
        return "API timeout"
    except:
        return "API error"

if __name__ == "__main__":
    app.run(debug=False, host='0.0.0.0', port=7860)