import requests

# Check ETHUSDC precision requirements on MEXC
try:
    # Get symbol information from MEXC
    resp = requests.get('https://api.mexc.com/api/v3/exchangeInfo')
    data = resp.json()
    
    print('=== ETHUSDC SYMBOL INFORMATION ===')
    
    # Find ETHUSDC symbol
    ethusdc_info = None
    for symbol_info in data.get('symbols', []):
        if symbol_info['symbol'] == 'ETHUSDC':
            ethusdc_info = symbol_info
            break
    
    if ethusdc_info:
        print(f'Symbol: {ethusdc_info["symbol"]}')
        print(f'Status: {ethusdc_info["status"]}')
        print(f'Base Asset: {ethusdc_info["baseAsset"]}')
        print(f'Quote Asset: {ethusdc_info["quoteAsset"]}')
        print(f'Base Asset Precision: {ethusdc_info["baseAssetPrecision"]}')
        print(f'Quote Asset Precision: {ethusdc_info["quoteAssetPrecision"]}')
        
        # Check order types
        order_types = ethusdc_info.get('orderTypes', [])
        print(f'Allowed Order Types: {order_types}')
        
        # Check filters for quantity and price precision
        print('\nFilters:')
        for filter_info in ethusdc_info.get('filters', []):
            filter_type = filter_info['filterType']
            print(f'  {filter_type}:')
            for key, value in filter_info.items():
                if key != 'filterType':
                    print(f'    {key}: {value}')
        
        # Calculate proper quantity precision
        print('\n=== QUANTITY FORMATTING RECOMMENDATIONS ===')
        
        # Find LOT_SIZE filter for minimum order size
        lot_size_filter = None
        min_notional_filter = None
        for filter_info in ethusdc_info.get('filters', []):
            if filter_info['filterType'] == 'LOT_SIZE':
                lot_size_filter = filter_info
            elif filter_info['filterType'] == 'MIN_NOTIONAL':
                min_notional_filter = filter_info
        
        if lot_size_filter:
            step_size = lot_size_filter['stepSize']
            min_qty = lot_size_filter['minQty']
            max_qty = lot_size_filter['maxQty']
            print(f'Min Quantity: {min_qty}')
            print(f'Max Quantity: {max_qty}')
            print(f'Step Size: {step_size}')
            
            # Count decimal places in step size to determine precision
            decimal_places = len(step_size.split('.')[-1].rstrip('0')) if '.' in step_size else 0
            print(f'Required decimal places: {decimal_places}')
            
            # Test formatting our problematic quantity
            test_quantity = 0.0028169119884018344
            formatted_quantity = round(test_quantity, decimal_places)
            print(f'Original quantity: {test_quantity}')
            print(f'Formatted quantity: {formatted_quantity}')
            print(f'String format: {formatted_quantity:.{decimal_places}f}')
            
            # Check if our quantity meets minimum
            if formatted_quantity < float(min_qty):
                print(f'❌ Quantity {formatted_quantity} is below minimum {min_qty}')
                min_value_needed = float(min_qty) * 2665  # Approximate ETH price
                print(f'💡 Need at least ${min_value_needed:.2f} to place minimum order')
            else:
                print(f'✅ Quantity {formatted_quantity} meets minimum requirement')
        
        if min_notional_filter:
            min_notional = min_notional_filter['minNotional']
            print(f'Minimum Notional Value: ${min_notional}')
        
    else:
        print('❌ ETHUSDC symbol not found in exchange info')
        
except Exception as e:
    print(f'Error: {e}')