from supabase import create_client, Client
from datetime import datetime
import os
from dotenv import load_dotenv
import uuid

# Load environment variables
load_dotenv()

SUPABASE_URL = os.getenv("SUPABASE_URL")
SUPABASE_KEY = os.getenv("SUPABASE_KEY")

if not SUPABASE_URL or not SUPABASE_KEY:
    raise ValueError("❌ Missing SUPABASE_URL or SUPABASE_KEY in .env file")


class Database:
    def __init__(self):
        self.client: Client = create_client(SUPABASE_URL, SUPABASE_KEY)
        print("✅ Supabase client initialized successfully.")

    # ---------- User Operations ----------
    def create_user(self, user_data):
        data = {
            "id": user_data.get("id", str(uuid.uuid4())),
            "username": user_data["username"],
            "email": user_data["email"],
            "age": user_data["age"],
            "gender": user_data["gender"],
            "allergies": user_data.get("allergies", ""),
            "conditions": user_data.get("conditions", ""),
            "created_at": datetime.utcnow().isoformat()
        }

        try:
            response = self.client.table("users").insert(data).execute()
            print("✅ User created successfully:", response.data)
            return data["id"]
        except Exception as e:
            raise Exception(f"❌ Error creating user: {str(e)}")

    # ---------- Symptom Analysis Logging ----------
    def log_symptom_analysis(self, analysis_data):
        data = {
            "id": analysis_data.get("id", str(uuid.uuid4())),
            "user_id": analysis_data["user_id"],
            "symptoms": analysis_data["symptoms"],
            "analysis_result": analysis_data["result"],
            "created_at": datetime.utcnow().isoformat()
        }

        try:
            response = self.client.table("symptoms_history").insert(data).execute()
            print("✅ Symptom analysis logged successfully:", response.data)
        except Exception as e:
            raise Exception(f"❌ Error logging symptom analysis: {str(e)}")

    # ---------- Image Analysis Logging ----------
    def log_image_analysis(self, analysis_data):
        data = {
            "id": analysis_data.get("id", str(uuid.uuid4())),
            "user_id": analysis_data["user_id"],
            "filename": analysis_data["filename"],
            "analysis_result": analysis_data["result"],
            "confidence": analysis_data["confidence"],
            "created_at": datetime.utcnow().isoformat()
        }

        try:
            response = self.client.table("image_analysis").insert(data).execute()
            print("✅ Image analysis logged successfully:", response.data)
        except Exception as e:
            raise Exception(f"❌ Error logging image analysis: {str(e)}")


# Initialize database instance
db = Database()