import type { DateRange, OrderData } from '../types.ts';

const SIZE_SUFFIX_PATTERN = /\s+-\s+(?:(?:PP|P|M|G|GG|XG|XGG|EG|EGG|EXG|U|UNICO|ÚNICO|\d{2})(?:\/(?:PP|P|M|G|GG|XG|XGG|EG|EGG|EXG|U|UNICO|ÚNICO|\d{2}))*)$/i;

export const parseOrderDate = (dateStr: string): Date => {
  if (!dateStr) return new Date(0);
  if (dateStr.includes('T')) return new Date(dateStr);
  const parts = dateStr.split(/[-/]/);
  if (parts.length === 3) {
    if (parts[0].length === 4) {
      return new Date(Number(parts[0]), Number(parts[1]) - 1, Number(parts[2]));
    }
    return new Date(Number(parts[2]), Number(parts[1]) - 1, Number(parts[0]));
  }
  const fallback = new Date(dateStr);
  return Number.isNaN(fallback.getTime()) ? new Date(0) : fallback;
};

export const getBaseProductName = (description: string): string => {
  const productName = description.trim();
  if (productName.toLocaleUpperCase('pt-BR').startsWith('ETIQUETA')) {
    return productName;
  }

  return productName.split(' TAMANHO')[0].replace(SIZE_SUFFIX_PATTERN, '').trim();
};

export const getClientDisplayName = (order: OrderData): string => {
  return order.Nome_Cliente || 'Cliente Desconhecido';
};

export const getOrderCustomerKey = (order: OrderData): string => {
  return order.Fone_Cliente || `name:${getClientDisplayName(order)}`;
};

export const isOrderInDateRange = (order: OrderData, dateRange: DateRange): boolean => {
  const orderDate = parseOrderDate(order.Data_Pedido);
  return orderDate >= dateRange.start && orderDate <= dateRange.end;
};

export const filterOrdersByDateRange = (orders: OrderData[], dateRange: DateRange): OrderData[] => {
  return orders.filter(order => isOrderInDateRange(order, dateRange));
};

export const getOrderItemRevenue = (order: OrderData): number => {
  return order.Quantidade * order.Valor_Unitario;
};