from flask import Flask, request, jsonify
import requests

app = Flask(__name__)

class APIService:
    """Basisklasse für alle API-Dienste."""
    def __init__(self, api_key):
        self.api_key = api_key

    def fetch(self, *args, **kwargs):
        raise NotImplementedError("Diese Methode muss von Unterklassen implementiert werden.")

class SynonymAPI(APIService):
    """API-Dienst für Synonyme."""
    def fetch(self, word):
        url = f"https://lingua-robot.p.rapidapi.com/language/v1/synonyms?word={word}"
        headers = {
            'x-rapidapi-key': self.api_key,
            'x-rapidapi-host': "lingua-robot.p.rapidapi.com"
        }
        response = requests.get(url, headers=headers)
        return response.json()['entries'][0]['synonyms'] if response.status_code == 200 else []

class GrammarAPI(APIService):
    """API-Dienst für Grammatik."""
    def fetch(self, text):
        response = requests.post(self.api_key, data={'text': text, 'language': 'en'})
        return response.json()['matches'] if response.status_code == 200 else []

class APIManager:
    """Verwalten der APIs (Synonym und Grammatik)."""
    def __init__(self):
        self.synonym_api = None
        self.grammar_api = None

    def set_synonym_api(self, api):
        self.synonym_api = api

    def set_grammar_api(self, api):
        self.grammar_api = api

    def fetch_synonyms(self, word):
        return self.synonym_api.fetch(word) if self.synonym_api else "Keine Synonym-API konfiguriert."

    def fetch_grammar(self, text):
        return self.grammar_api.fetch(text) if self.grammar_api else "Keine Grammatik-API konfiguriert."

# Instanziierung
api_manager = APIManager()

# API-Routen
@app.route('/configure', methods=['POST'])
def configure_apis():
    data = request.json
    synonym_api_key = data.get('synonym_api_key')
    grammar_api_key = data.get('grammar_api_key')
    api_manager.set_synonym_api(SynonymAPI(synonym_api_key))
    api_manager.set_grammar_api(GrammarAPI(grammar_api_key))
    return jsonify({"status": "APIs erfolgreich konfiguriert."})

@app.route('/analyze-text', methods=['POST'])
def analyze_text():
    data = request.json
    text = data.get('text')
    word = text.split()[0]
    synonyms = api_manager.fetch_synonyms(word)
    grammar = api_manager.fetch_grammar(text)
    return jsonify({"synonyms": synonyms, "grammar_suggestions": grammar})

# Start des Servers
if __name__ == '__main__':
    app.run(debug=True)