import requests
from config import API_URL, HEADERS

# 轉換英文分類為中文
def translate_sentiment(label):
    if "positive" in label.lower():
        return "😃 **正向**"
    elif "neutral" in label.lower():
        return "😐 **中立**"
    else:
        return "😡 **負向**"

# 轉換信心度為更直觀的等級（加上百分比）
def convert_confidence(score):
    percentage = round(score * 100)
    if score >= 0.90:
        return f"🌟 **極高信心** ({percentage}%)"
    elif score >= 0.75:
        return f"✅ **高信心** ({percentage}%)"
    elif score >= 0.50:
        return f"⚠️ **中等信心** ({percentage}%)"
    elif score >= 0.30:
        return f"❓ **低信心** ({percentage}%)"
    else:
        return f"❌ **極低信心（建議忽略）** ({percentage}%)"

# 調用 Hugging Face API 進行情緒分析
def analyze_sentiment(text):
    try:
        response = requests.post(API_URL, headers=HEADERS, json={"inputs": text})
        result = response.json()

        if isinstance(result, list) and len(result) > 0:
            sentiment = translate_sentiment(result[0]["label"])
            confidence = result[0]["score"]
            confidence_label = convert_confidence(confidence)

            return f"**情緒分類**: {sentiment}\n**AI判斷的信心度為**: {confidence_label}"
        else:
            return "⚠️ **無法分析文本，請稍後再試**"
    
    except Exception as e:
        return f"❌ **錯誤**: {str(e)}"