from nc_py_api import Nextcloud
import json
from typing import Dict, Any
import os

import arena_config

# Initialize Nextcloud client
nc = Nextcloud(nextcloud_url=arena_config.NEXTCLOUD_URL, nc_auth_user=arena_config.NEXTCLOUD_USERNAME, nc_auth_pass=arena_config.NEXTCLOUD_PASSWORD)

def load_leaderboard() -> Dict[str, Any]:
    try:
        file_content = nc.files.download(arena_config.NEXTCLOUD_LEADERBOARD_PATH)
        return json.loads(file_content.decode('utf-8'))
    except Exception as e:
        print(f"Error loading leaderboard: {str(e)}")
        return {}

def save_leaderboard(leaderboard_data: Dict[str, Any]) -> bool:
    try:
        json_data = json.dumps(leaderboard_data, indent=2)
        nc.files.upload(arena_config.NEXTCLOUD_LEADERBOARD_PATH, json_data.encode('utf-8'))
        return True
    except Exception as e:
        print(f"Error saving leaderboard: {str(e)}")
        return False

def update_leaderboard(winner: str, loser: str) -> Dict[str, Any]:
    leaderboard = load_leaderboard()
    
    if winner not in leaderboard:
        leaderboard[winner] = {"wins": 0, "losses": 0, "opponents": {}}
    if loser not in leaderboard:
        leaderboard[loser] = {"wins": 0, "losses": 0, "opponents": {}}
    
    leaderboard[winner]["wins"] += 1
    leaderboard[winner]["opponents"].setdefault(loser, {"wins": 0, "losses": 0})["wins"] += 1
    
    leaderboard[loser]["losses"] += 1
    leaderboard[loser]["opponents"].setdefault(winner, {"wins": 0, "losses": 0})["losses"] += 1
    
    save_leaderboard(leaderboard)
    return leaderboard

# Function to get the current leaderboard
def get_current_leaderboard() -> Dict[str, Any]:
    return load_leaderboard()