import type { ComponentType } from 'react'
import type { Role } from '@/contexts/auth-context'

import { ActiveRidesWidget } from '@/components/dashboard/widgets/active-rides-widget'
import { TodaySalesWidget } from '@/components/dashboard/widgets/today-sales-widget'
import { PendingPOsWidget } from '@/components/dashboard/widgets/pending-pos-widget'
import { StockAlertsWidget } from '@/components/dashboard/widgets/stock-alerts-widget'
import { RecentOrdersWidget } from '@/components/dashboard/widgets/recent-orders-widget'
import { LoadingSheetsWidget } from '@/components/dashboard/widgets/loading-sheets-widget'

export interface WidgetDefinition {
  type: string
  label: string
  description: string
  defaultW: number
  defaultH: number
  minW: number
  minH: number
  maxW?: number
  allowedRoles: Role[] | '*'
  component: ComponentType
}

export const WIDGET_REGISTRY: Record<string, WidgetDefinition> = {
  'active-rides': {
    type: 'active-rides',
    label: 'Active Rides',
    description: 'Live view of all currently active rides with driver and route info.',
    defaultW: 4,
    defaultH: 4,
    minW: 3,
    minH: 3,
    allowedRoles: ['admin', 'warehouse'],
    component: ActiveRidesWidget,
  },
  'today-sales': {
    type: 'today-sales',
    label: "Today's Sales",
    description: "Total revenue and sales counts for today.",
    defaultW: 4,
    defaultH: 4,
    minW: 2,
    minH: 3,
    allowedRoles: ['admin', 'sales'],
    component: TodaySalesWidget,
  },
  'pending-purchase-orders': {
    type: 'pending-purchase-orders',
    label: 'Pending Purchase Orders',
    description: 'Purchase orders that have been issued but not yet fully received.',
    defaultW: 4,
    defaultH: 4,
    minW: 3,
    minH: 3,
    allowedRoles: ['admin', 'warehouse'],
    component: PendingPOsWidget,
  },
  'stock-alerts': {
    type: 'stock-alerts',
    label: 'Stock Alerts',
    description: 'Items at zero or critically low stock levels across all locations.',
    defaultW: 4,
    defaultH: 4,
    minW: 3,
    minH: 3,
    allowedRoles: ['admin', 'warehouse'],
    component: StockAlertsWidget,
  },
  'recent-orders': {
    type: 'recent-orders',
    label: 'Recent Orders',
    description: 'Latest customer orders with status and value.',
    defaultW: 5,
    defaultH: 4,
    minW: 4,
    minH: 3,
    allowedRoles: ['admin', 'sales'],
    component: RecentOrdersWidget,
  },
  'loading-sheets': {
    type: 'loading-sheets',
    label: 'Pending Loading Sheets',
    description: 'Loading sheets awaiting dispatch confirmation.',
    defaultW: 4,
    defaultH: 4,
    minW: 3,
    minH: 3,
    allowedRoles: ['admin', 'warehouse'],
    component: LoadingSheetsWidget,
  },
}

export function getWidgetsForRole(role: Role): WidgetDefinition[] {
  return Object.values(WIDGET_REGISTRY).filter(def =>
    def.allowedRoles === '*' || def.allowedRoles.includes(role)
  )
}