src/types/index.ts

// Core data types for Mirchi Trading application

export interface Party {
  id: string;
  name: string;
  contact?: string;
  address?: string;
  gstNumber?: string;
  balance: number; // Running balance (positive = they owe us, negative = we owe them)
  createdAt: string;
}

export interface BillBook {
  id: string;
  name: string;
  serialFrom: number;
  serialTo: number;
  currentSerial: number;
  isActive: boolean;
}

export interface Lot {
  id: string;
  lotNumber: string;
  particular: string; // Variety: Teja, Garuda, 341, etc.
  purchaseDate: string;
  partyId: string;
  partyName: string;
  gaadiDetails?: string; // Truck/vehicle details
  quality?: string;
  totalBags: number;
  soldBags: number;
  availableBags: number;
  grossWeightPerBag: number;
  netWeightPerBag: number;
  purchaseRate: number; // Rate per kg
  totalWeight: number;
  totalAmount: number;
  paidAmount: number;
  remainingAmount: number;
  paymentStatus: 'paid' | 'partial' | 'pending';
}

export interface PaymentTerm {
  totalAmount: number;
  advanceAmount: number;
  remainingAmount: number;
  payments: Payment[];
}

export interface Payment {
  id: string;
  date: string;
  amount: number;
  method: 'cash' | 'cheque' | 'online' | 'other';
  reference?: string;
  notes?: string;
}

export interface InvoiceItem {
  particular: string; // Variety
  lotNumber: string;
  bags: number;
  grossWeightPerBag: number;
  netWeightPerBag: number;
  rate: number;
  basicAmount: number;
}

export interface Invoice {
  id: string;
  serialNumber: string;
  billBookId: string;
  date: string;
  partyId: string;
  partyName: string;
  items: InvoiceItem[];
  charges: {
    bardhana: number; // ₹18 per bag
    hamali: number; // ₹6 per bag
    adhath: number; // Commission percentage
    cess: number; // Market cess 1-6%
    gaadiBharni: number; // Optional vehicle loading charges
  };
  subtotal: number;
  totalCharges: number;
  totalAmount: number;
  paymentTerms: PaymentTerm;
  notes?: string;
  createdAt: string;
  updatedAt: string;
}

export interface PurchaseEntry {
  id: string;
  date: string;
  partyId: string;
  partyName: string;
  gaadiDetails?: string;
  lots: Lot[];
  totalAmount: number;
  paymentTerms: PaymentTerm;
  notes?: string;
  createdAt: string;
}

export interface LedgerEntry {
  id: string;
  date: string;
  particulars: string; // Description
  referenceNumber: string; // BN number, invoice number, etc.
  lotNumber?: string;
  debit: number; // Money they owe us (Jawak/Sales)
  credit: number; // Money we owe them (Awak/Purchase)
  balance: number; // Running balance
  type: 'awak' | 'jawak' | 'payment' | 'return' | 'adjustment';
}

export interface StockSummary {
  particular: string; // Variety
  awak: {
    bags: number;
    weight: number;
    value: number;
  };
  jawak: {
    bags: number;
    weight: number;
    value: number;
  };
  stock: {
    bags: number;
    weight: number;
    value: number;
  };
  avgBuyRate: number;
  avgSellRate: number;
  profit: number;
  lots: Lot[];
}

export interface Transaction {
  id: string;
  date: string;
  type: 'awak' | 'jawak';
  particular: string;
  lotNumber: string;
  party: string;
  bags: number;
  weight: number;
  rate: number;
  amount: number;
  referenceNumber: string;
}