from flask import Flask, request, jsonify
from deep_translator import GoogleTranslator

app = Flask(__name__)

# 翻訳関数
def translate_text(text, target_language):
    try:
        translator = GoogleTranslator(source='auto', target=target_language)
        translated_text = translator.translate(text)
        return {"translated_text": translated_text}
    except Exception as e:
        return {"error": str(e)}

# エンドポイント "/"
@app.route("/", methods=["POST"])
def translate():
    data = request.json
    # 必須フィールドのチェック
    if not data or "text" not in data or "target_language" not in data:
        return jsonify({"error": "Invalid request. 'text' and 'target_language' fields are required."}), 400

    text = data["text"]
    target_language = data["target_language"]

    # 翻訳処理
    result = translate_text(text, target_language)
    return jsonify(result)

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