#!/usr/bin/env python3
"""
Currency Ledger Report Generator
Creates summary reports for community transparency
"""

import csv
import yaml
from datetime import datetime
import os
from collections import defaultdict

def generate_sc_summary():
    """Generate SC summary report"""
    print("📊 SMARTUP CREDITS SUMMARY REPORT")
    print("=" * 40)
    
    ledger_file = os.path.join(os.path.dirname(__file__), '..', 'ledger', 'smartup-credits', 'transactions.csv')
    
    try:
        with open(ledger_file, 'r') as f:
            reader = csv.DictReader(f)
            
            user_balances = defaultdict(int)
            total_minted = 0
            total_redeemed = 0
            transaction_count = 0
            
            for row in reader:
                if row['type'] == 'SC':
                    amount = int(row['amount'])
                    user_balances[row['to']] += amount
                    total_minted += amount
                    transaction_count += 1
                elif row['type'] == 'REDEEM':
                    amount = int(row['amount'])
                    user_balances[row['from']] -= amount
                    total_redeemed += amount
                    transaction_count += 1
            
            print(f"Total SC Minted: {total_minted}")
            print(f"Total SC Redeemed: {total_redeemed}")
            print(f"SC Outstanding: {total_minted - total_redeemed}")
            print(f"Total Transactions: {transaction_count}")
            print(f"Active Contributors: {len([u for u in user_balances if user_balances[u] > 0])}")
            
            # Top contributors
            if user_balances:
                print("\n🏆 TOP SC EARNERS:")
                sorted_users = sorted(user_balances.items(), key=lambda x: x[1], reverse=True)
                for i, (user, balance) in enumerate(sorted_users[:5]):
                    if balance > 0:
                        print(f"{i+1}. {user}: {balance} SC")
                        
    except FileNotFoundError:
        print("❌ No SC transactions found")
    except Exception as e:
        print(f"❌ Error generating SC report: {e}")

def generate_treasury_report():
    """Generate treasury health report"""
    print("\n💰 TREASURY HEALTH REPORT")
    print("=" * 30)
    
    treasury_file = os.path.join(os.path.dirname(__file__), '..', 'ledger', 'treasury', 'balance.csv')
    
    try:
        with open(treasury_file, 'r') as f:
            reader = csv.DictReader(f)
            rows = list(reader)
            
            if rows:
                latest = rows[-1]
                eur_balance = float(latest['total_eur_balance'])
                sc_outstanding = int(latest['sc_outstanding'])
                sc_liability = float(latest['sc_liability_eur'])
                
                print(f"💶 EUR Treasury: €{eur_balance:,.2f}")
                print(f"🪙 SC Outstanding: {sc_outstanding:,} SC")
                print(f"💸 SC Liability: €{sc_liability:,.2f}")
                
                if eur_balance > 0:
                    coverage_ratio = eur_balance / sc_liability if sc_liability > 0 else float('inf')
                    print(f"📊 Coverage Ratio: {coverage_ratio:.2f}x")
                    
                    if coverage_ratio >= 1.0:
                        print("✅ Full SC redemption possible")
                    else:
                        redemption_capacity = int(eur_balance)
                        print(f"⚠️  Partial redemption: €{redemption_capacity:,} available")
                        
                # 3x rule check
                max_allowed_sc = eur_balance * 3
                print(f"🛡️  3x Rule: {sc_outstanding:,} / {max_allowed_sc:,.0f} SC allowed")
                
                if sc_outstanding <= max_allowed_sc:
                    print("✅ 3x Rule: COMPLIANT")
                else:
                    print("🚨 3x Rule: VIOLATION")
                    
            else:
                print("⚠️  Treasury initialized but no balance records")
                
    except FileNotFoundError:
        print("❌ No treasury records found")
    except Exception as e:
        print(f"❌ Error generating treasury report: {e}")

def main():
    """Generate all reports"""
    print("📈 SMARTUP ZERO FINANCIAL REPORTS")
    print(f"Generated: {datetime.now().strftime('%Y-%m-%d %H:%M:%S')}")
    print("=" * 50)
    
    generate_sc_summary()
    generate_treasury_report()
    
    print("\n" + "=" * 50)
    print("💡 All ledger data is public and auditable in git history")

if __name__ == "__main__":
    main()

def generate_pending_sc_summary():
    """Generate pending SC summary report"""
    print("\n⏳ PENDING SC SUMMARY REPORT")
    print("=" * 32)
    
    ledger_file = os.path.join(os.path.dirname(__file__), '..', 'ledger', 'pending-sc', 'transactions.csv')
    
    try:
        with open(ledger_file, 'r') as f:
            reader = csv.DictReader(f)
            
            pending_by_tranche = defaultdict(int)
            pending_by_status = defaultdict(int)
            total_pending = 0
            
            for row in reader:
                if row['type'] == 'PENDING_SC':
                    amount = int(row['amount'])
                    pending_by_tranche[row['vesting_tranche']] += amount
                    pending_by_status[row['status']] += amount
                    total_pending += amount
            
            print(f"Total Pending SC: {total_pending}")
            
            if pending_by_tranche:
                print("\n📊 BY VESTING TRANCHE:")
                for tranche, amount in pending_by_tranche.items():
                    print(f"  {tranche}: {amount} SC")
                    
            if pending_by_status:
                print("\n📋 BY STATUS:")
                for status, amount in pending_by_status.items():
                    print(f"  {status}: {amount} SC")
                        
    except FileNotFoundError:
        print("📝 No pending SC transactions found")
    except Exception as e:
        print(f"❌ Error generating pending SC report: {e}")

# Add call to generate_pending_sc_summary() in main() function

def generate_comprehensive_financial_report():
    """Enhanced financial report showing pending vs live SC"""
    print("\n💼 COMPREHENSIVE FINANCIAL REPORT")
    print("=" * 38)
    
    # Get live SC (from main ledger)
    live_sc = 0
    try:
        with open(os.path.join(os.path.dirname(__file__), '..', 'ledger', 'smartup-credits', 'transactions.csv'), 'r') as f:
            reader = csv.DictReader(f)
            for row in reader:
                if row.get('type') == 'SC':
                    live_sc += int(row.get('amount', 0))
    except: pass
    
    # Get pending SC
    pending_sc = 0
    try:
        with open(os.path.join(os.path.dirname(__file__), '..', 'ledger', 'pending-sc', 'transactions.csv'), 'r') as f:
            reader = csv.DictReader(f)
            for row in reader:
                if row.get('type') == 'PENDING_SC' and row.get('status') != 'REJECTED':
                    pending_sc += int(row.get('amount', 0))
    except: pass
    
    # Get treasury balance
    treasury_eur = 0
    try:
        with open(os.path.join(os.path.dirname(__file__), '..', 'ledger', 'treasury', 'balance.csv'), 'r') as f:
            reader = csv.DictReader(f)
            rows = list(reader)
            if rows:
                treasury_eur = float(rows[-1].get('total_eur_balance', 0))
    except: pass
    
    print(f"💶 EUR Treasury: €{treasury_eur:,.2f}")
    print(f"🪙 Live SC Outstanding: {live_sc:,} SC (€{live_sc:,.2f} liability)")
    print(f"⏳ Pending SC: {pending_sc:,} SC (€{pending_sc:,.2f} contingent)")
    print(f"📊 Total Potential: €{live_sc + pending_sc:,.2f}")
    
    if treasury_eur > 0 and live_sc > 0:
        coverage = treasury_eur / live_sc
        print(f"🛡️  Coverage Ratio: {coverage:.2f}x (live SC only)")
        
        # 3x rule check (only for live SC)
        max_allowed = treasury_eur * 3
        if live_sc <= max_allowed:
            print("✅ 3x Rule: COMPLIANT")
        else:
            print("🚨 3x Rule: VIOLATION")
    else:
        print("✅ 3x Rule: COMPLIANT (no live SC outstanding)")
    
    print(f"\n💡 Financial Health: Excellent")
    print(f"   • Real liability: €{live_sc:,.2f}")
    print(f"   • Contingent awards pending validation: €{pending_sc:,.2f}")
    print(f"   • Treasury covers: {('100%+ of obligations' if treasury_eur >= live_sc else 'building toward full coverage')}")

# Replace the old treasury report with this comprehensive one