#!/usr/bin/env python3
"""
Get MEXC Exchange Info for ETHUSDC
"""

import requests
import json

def get_mexc_exchange_info():
    """Get detailed MEXC exchange information for ETHUSDC"""
    print("Getting MEXC Exchange Info for ETHUSDC...")
    print("=" * 50)
    
    try:
        # Get exchange info from MEXC public API
        resp = requests.get('https://api.mexc.com/api/v3/exchangeInfo')
        data = resp.json()
        
        # Find ETHUSDC symbol
        ethusdc_info = None
        for symbol_info in data.get('symbols', []):
            if symbol_info['symbol'] == 'ETHUSDC':
                ethusdc_info = symbol_info
                break
        
        if not ethusdc_info:
            print("❌ ETHUSDC symbol not found")
            return
        
        print("✅ Found ETHUSDC symbol information")
        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 Precision: {ethusdc_info['baseAssetPrecision']}")
        print(f"Quote Precision: {ethusdc_info['quoteAssetPrecision']}")
        
        print("\nFilters:")
        print("-" * 20)
        
        lot_size_filter = None
        min_notional_filter = None
        
        for filter_info in ethusdc_info.get('filters', []):
            filter_type = filter_info['filterType']
            print(f"\n{filter_type}:")
            
            if filter_type == 'LOT_SIZE':
                lot_size_filter = filter_info
            elif filter_type == 'MIN_NOTIONAL':
                min_notional_filter = filter_info
            
            for key, value in filter_info.items():
                if key != 'filterType':
                    print(f"  {key}: {value}")
        
        # Analyze requirements
        print("\n" + "=" * 50)
        print("ANALYSIS:")
        
        if lot_size_filter:
            min_qty = float(lot_size_filter['minQty'])
            step_size = lot_size_filter['stepSize']
            
            print(f"Minimum Quantity: {min_qty} ETH")
            print(f"Step Size: {step_size}")
            
            # Check our test quantity
            test_qty = 0.009871
            print(f"\nOur quantity: {test_qty}")
            print(f"Meets minimum?: {'✅ Yes' if test_qty >= min_qty else '❌ No'}")
            
            # Check step size compliance
            if '.' in step_size:
                decimal_places = len(step_size.split('.')[-1].rstrip('0'))
                properly_rounded = round(test_qty, decimal_places)
                print(f"Required decimals: {decimal_places}")
                print(f"Properly rounded: {properly_rounded}")
            
        if min_notional_filter:
            min_notional = float(min_notional_filter['minNotional'])
            test_value = 0.009871 * 3031  # approximate price
            print(f"\nMinimum Order Value: ${min_notional}")
            print(f"Our order value: ${test_value:.2f}")
            print(f"Meets minimum?: {'✅ Yes' if test_value >= min_notional else '❌ No'}")
        
        print("\n💡 RECOMMENDATIONS:")
        if lot_size_filter and min_notional_filter:
            safe_qty = max(float(lot_size_filter['minQty']) * 1.1, min_notional / 3000)
            print(f"Use quantity >= {safe_qty:.6f} ETH for safe trading")
            print(f"This equals ~${safe_qty * 3031:.2f} USD")
        
    except Exception as e:
        print(f"❌ Error: {e}")

if __name__ == "__main__":
    get_mexc_exchange_info()