import { create } from 'zustand'

interface POSUser {
  id: string
  email: string
  firstName: string
  lastName: string
  role: string
}

interface POSState {
  currentTransactionId: string | null
  locationId: string | null
  drawerSessionId: string | null
  locked: boolean
  cashier: POSUser | null
  token: string | null
  lastActivity: number
  setTransaction: (id: string | null) => void
  setLocation: (id: string) => void
  setDrawerSession: (id: string | null) => void
  unlock: (user: POSUser, token: string) => void
  lock: () => void
  touchActivity: () => void
  reset: () => void
}

export const usePOSStore = create<POSState>((set) => ({
  currentTransactionId: null,
  locationId: null,
  drawerSessionId: null,
  locked: true,
  cashier: null,
  token: null,
  lastActivity: Date.now(),
  setTransaction: (id) => set({ currentTransactionId: id }),
  setLocation: (id) => set({ locationId: id }),
  setDrawerSession: (id) => set({ drawerSessionId: id }),
  unlock: (user, token) => set({ locked: false, cashier: user, token, lastActivity: Date.now() }),
  lock: () => set({ locked: true, currentTransactionId: null }),
  touchActivity: () => set({ lastActivity: Date.now() }),
  reset: () => set({ currentTransactionId: null }),
}))