from pymongo import MongoClient
from pydantic import BaseModel, HttpUrl
from datetime import datetime
from typing import Optional, List, Dict, Union

class MongoService:
    def __init__(self, mongo_url:str, database:str):
        self.mongo_url = mongo_url
        self.mongo_client = MongoClient(self.mongo_url)
        self.mongo_database = self.mongo_client[database]
    
    def insert(self, collection:str, data:Dict):
        inserted = self.mongo_database[collection].insert_one(data)
        return
    
    def get(self, collection:str, filter:Dict, fields_to_retrieve:List=[]):
        fields = {}
        if fields_to_retrieve != []:
            for field in fields_to_retrieve:
                fields[field] = 1
        retrieved_data = list(self.mongo_database[collection].find(filter,fields))
        return retrieved_data
    
    def update(self, collection:str, filter:Dict, update_value:Dict, many=False):
        #myquery = { "address": { "$regex": "^S" } }
        #newvalues = { "$set": { "name": "Minnie" } }
        
        if many == True:
            updated = self.mongo_database[collection].update_many(filter, update_value)
        else:
            updated = self.mongo_database[collection].update_one(filter, update_value)

        return