# backend/utils/db.py
from simple_salesforce import Salesforce
import os
from datetime import datetime
from dotenv import load_dotenv

# Load environment variables from .env file
load_dotenv()

# Salesforce credentials
SF_USERNAME = os.getenv("SF_USERNAME")
SF_PASSWORD = os.getenv("SF_PASSWORD")
SF_SECURITY_TOKEN = os.getenv("SF_SECURITY_TOKEN")
SF_CLIENT_ID = os.getenv("SF_CLIENT_ID")
SF_CLIENT_SECRET = os.getenv("SF_CLIENT_SECRET")
SF_DOMAIN = os.getenv("SF_DOMAIN", "login")  # Default to login

# Validate credentials
if not all([SF_USERNAME, SF_PASSWORD, SF_SECURITY_TOKEN, SF_CLIENT_ID, SF_CLIENT_SECRET]):
    raise ValueError("Missing Salesforce credentials in environment variables")

# Initialize Salesforce client
sf = Salesforce(
    username=SF_USERNAME,
    password=SF_PASSWORD,
    security_token=SF_SECURITY_TOKEN,
    client_id=SF_CLIENT_ID,
    client_secret=SF_CLIENT_SECRET,
    domain=SF_DOMAIN
)

def update_leaderboard(player_name: str, drs_out: bool = False, runs: float = 0):
    """
    Update the player's leaderboard stats in User_Profile__c.
    """
    try:
        query = f"SELECT Id, Name__c, Matches__c, LBW_Dismissals__c, Score__c FROM User_Profile__c WHERE Name__c = '{player_name}'"
        result = sf.query(query)
        
        if result["totalSize"] > 0:
            player = result["records"][0]
            player_id = player["Id"]
            sf.User_Profile__c.update(player_id, {
                "Matches__c": player["Matches__c"] + 1,
                "LBW_Dismissals__c": player["LBW_Dismissals__c"] + 1 if drs_out else player["LBW_Dismissals__c"],
                "Score__c": player["Score__c"] + runs
            })
        else:
            sf.User_Profile__c.create({
                "Name__c": player_name,
                "Matches__c": 1,
                "LBW_Dismissals__c": 1 if drs_out else 0,
                "Score__c": runs
            })
    except Exception as e:
        raise Exception(f"Failed to update leaderboard: {str(e)}")

def get_leaderboard():
    """
    Retrieve the leaderboard sorted by score from User_Profile__c.
    """
    try:
        query = "SELECT Id, Name__c, Matches__c, LBW_Dismissals__c, Score__c FROM User_Profile__c ORDER BY Score__c DESC"
        result = sf.query(query)
        return result["records"]
    except Exception as e:
        raise Exception(f"Failed to retrieve leaderboard: {str(e)}")

def store_drs_result(video_url: str, verdict: str, speed: float, replay_link: str, player_name: str) -> str:
    """
    Store DRS analysis result in Match__c and DRS_Result__c.
    Returns the Match__c record ID.
    """
    try:
        # Find player (User_Profile__c)
        query = f"SELECT Id FROM User_Profile__c WHERE Name__c = '{player_name}'"
        result = sf.query(query)
        if result["totalSize"] == 0:
            raise Exception(f"Player {player_name} not found")
        player_id = result["records"][0]["Id"]

        # Create Match__c record
        match = sf.Match__c.create({
            "Video_URL__c": video_url,
            "Match_Date__c": datetime.now().isoformat(),
            "Player__c": player_id,
            "Match_Type__c": "Friendly",
            "Result__c": verdict
        })
        match_id = match["id"]

        # Create DRS_Result__c record
        sf.DRS_Result__c.create({
            "Verdict__c": verdict,
            "Speed__c": speed,
            "Replay_Link__c": replay_link,
            "Match__c": match_id
        })

        return match_id
    except Exception as e:
        raise Exception(f"Failed to store DRS result: {str(e)}")