// ─────────────────────────────────────────────────────────────────────────────
// Mock data — shell-global notifications inbox
// Profile, sales, and workspace alerts only. Product-local surfaces such as
// placements or Learning Activities rules do not appear here.
// ─────────────────────────────────────────────────────────────────────────────

export type NotificationVariant = "info" | "success" | "warning"

export type NotificationAudience = "staff" | "student"

export type NotificationCategory = "profile" | "sales" | "workspace"

export type NotificationTimeGroup = "today" | "yesterday" | "earlier"

export interface NotificationItem {
  id: string
  title: string
  timestamp: string
  timeGroup: NotificationTimeGroup
  read: boolean
  variant: NotificationVariant
  category: NotificationCategory
  audience?: NotificationAudience
  href?: string
}

export const NOTIFICATION_CATEGORY_LABEL: Record<NotificationCategory, string> = {
  profile: "Profile",
  sales: "Sales",
  workspace: "Workspace",
}

export const MOCK_NOTIFICATIONS: NotificationItem[] = [
  {
    id: "notif-profile-1",
    title: "Verify your email address",
    timestamp: "12m ago",
    timeGroup: "today",
    read: false,
    variant: "info",
    category: "profile",
    href: "/settings/profile",
  },
  {
    id: "notif-sales-1",
    title: "Renewal quote ready for review",
    timestamp: "45m ago",
    timeGroup: "today",
    read: false,
    variant: "info",
    category: "sales",
    audience: "staff",
    href: "/settings/organization",
  },
  {
    id: "notif-workspace-1",
    title: "New member joined your workspace",
    timestamp: "2h ago",
    timeGroup: "today",
    read: false,
    variant: "success",
    category: "workspace",
    audience: "staff",
    href: "/settings/organization",
  },
  {
    id: "notif-sales-2",
    title: "Subscription renews in 14 days",
    timestamp: "4h ago",
    timeGroup: "today",
    read: false,
    variant: "warning",
    category: "sales",
    audience: "staff",
    href: "/settings/organization",
  },
  {
    id: "notif-profile-2",
    title: "Password changed successfully",
    timestamp: "Yesterday",
    timeGroup: "yesterday",
    read: false,
    variant: "success",
    category: "profile",
    href: "/settings/profile",
  },
  {
    id: "notif-workspace-2",
    title: "Exxat One added to workspace products",
    timestamp: "Yesterday",
    timeGroup: "yesterday",
    read: true,
    variant: "info",
    category: "workspace",
    audience: "staff",
    href: "/settings/organization",
  },
  {
    id: "notif-sales-3",
    title: "Invoice available for March",
    timestamp: "2 days ago",
    timeGroup: "earlier",
    read: true,
    variant: "info",
    category: "sales",
    audience: "staff",
    href: "/settings/organization",
  },
  {
    id: "notif-workspace-3",
    title: "Workspace role updated for Jordan Lee",
    timestamp: "3 days ago",
    timeGroup: "earlier",
    read: true,
    variant: "info",
    category: "workspace",
    audience: "staff",
    href: "/settings/organization",
  },
]

export function unreadNotificationCount(items: NotificationItem[]): number {
  return items.filter(item => !item.read).length
}