cashup/frontend/src/types.ts

export type CashupCap = 'count' | 'finalise' | 'reports' | 'floats' | 'settings'

export interface User {
  email: string
  name: string
  is_admin: boolean
  caps: CashupCap[]
}

// Admins implicitly hold every capability.
export function can(user: User, cap: CashupCap): boolean {
  return user.is_admin || (user.caps?.includes(cap) ?? false)
}

export interface CashUp {
  id: number
  session_date: string
  created_by: string
  created_at: string
  updated_at: string
  status: 'draft' | 'final'
  total_float_counted: string
  total_cash_counted: string
  notes: string | null
  submitted_at: string | null
  submitted_by: string | null
}

export interface Denomination {
  id?: number
  cash_up_id?: number
  count_type: 'takings' | 'float'
  denomination_type: 'note' | 'coin'
  denomination_value: number
  quantity: number | null
  value_entered: number | null
  total_amount: number
}

export interface CardMachine {
  id?: number
  cash_up_id?: number
  machine_name: string
  total_amount: number
  amex_amount: number
  visa_mc_amount: number
}

export interface ReconciliationRow {
  category: string
  banked_amount: number
  reported_amount: number
  variance?: number
}

export interface PaymentTotals {
  cash: number
  manual_visa_mc: number
  manual_amex: number
  gateway_visa_mc: number
  gateway_amex: number
  bacs: number
}

export interface TillPayment {
  payment_type: string
  quantity: number
  total_value: number
}

export interface TransactionItem {
  time: string
  payment_type: string
  details: string
  amount: number
  is_voided: boolean
}

export interface TransactionBreakdown {
  reception_manual:  Record<string, TransactionItem[]>
  reception_gateway: Record<string, TransactionItem[]>
  restaurant_bar:    Record<string, TransactionItem[]>
}

export interface Attachment {
  id: number
  cash_up_id: number
  file_name: string
  file_path: string
  file_size: number
  mime_type: string
  uploaded_at: string
  attachment_type: 'pdq_z_report' | 'receipt_error' | 'other'
  label: string | null
}

export interface FloatCount {
  id: number
  count_type: 'petty_cash' | 'change_tin' | 'safe_cash'
  count_date: string
  created_by: string
  total_counted: string
  total_receipts: string
  target_amount: string
  variance: string
  notes: string | null
}

export interface FloatDenomination {
  denomination_value: string
  quantity: number
  total_amount: string
  target?: number
}

export interface FloatReceipt {
  id: number
  receipt_value: string
  receipt_description: string
}

export const GBP_DENOMINATIONS: Array<{ value: number; label: string; type: 'note' | 'coin' }> = [
  { value: 50,   label: '£50',   type: 'note' },
  { value: 20,   label: '£20',   type: 'note' },
  { value: 10,   label: '£10',   type: 'note' },
  { value: 5,    label: '£5',    type: 'note' },
  { value: 2,    label: '£2',    type: 'coin' },
  { value: 1,    label: '£1',    type: 'coin' },
  { value: 0.50, label: '50p',   type: 'coin' },
  { value: 0.20, label: '20p',   type: 'coin' },
  { value: 0.10, label: '10p',   type: 'coin' },
  { value: 0.05, label: '5p',    type: 'coin' },
  { value: 0.02, label: '2p',    type: 'coin' },
  { value: 0.01, label: '1p',    type: 'coin' },
]

export function fmtGBP(n: number | string) {
  return '£' + parseFloat(String(n || 0)).toFixed(2).replace(/\B(?=(\d{3})+(?!\d))/g, ',')
}

export function today() {
  return new Date().toISOString().slice(0, 10)
}