import api from './client'

export type WidgetType =
  | 'ProductionStats'
  | 'QueueStatus'
  | 'RecentRenders'
  | 'CostOverview'
  | 'WorkerStatus'
  | 'KPISummary'
  | 'OrderThroughput'
  | 'RevenueChart'
  | 'ItemStatus'
  | 'ProcessingTimes'
  | 'RenderTimeByOutputType'
  | 'OutputTypeUsage'
  | 'TopProducts'
  | 'OrdersByUser'
  | 'RenderBackendStats'
  | 'RenderThroughput'
  | 'MaterialCoverage'

export interface WidgetPosition {
  col: number
  row: number
  w: number
  h: number
}

export interface WidgetConfig {
  widget_type: WidgetType
  position: WidgetPosition
  config?: Record<string, unknown>
}

interface DashboardConfigResponse {
  widgets: WidgetConfig[]
}

export async function getDashboardConfig(): Promise<WidgetConfig[]> {
  const { data } = await api.get<DashboardConfigResponse>('/dashboard/config')
  return data.widgets
}

export async function updateDashboardConfig(
  widgets: WidgetConfig[]
): Promise<WidgetConfig[]> {
  const { data } = await api.put<DashboardConfigResponse>('/dashboard/config', {
    widgets,
  })
  return data.widgets
}

export async function getTenantDefaultDashboard(): Promise<WidgetConfig[]> {
  const { data } = await api.get<DashboardConfigResponse>(
    '/dashboard/tenant-default'
  )
  return data.widgets
}

export async function updateTenantDefaultDashboard(
  widgets: WidgetConfig[]
): Promise<WidgetConfig[]> {
  const { data } = await api.put<DashboardConfigResponse>(
    '/dashboard/tenant-default',
    { widgets }
  )
  return data.widgets
}

// ── Dashboard Stats ──────────────────────────────────────────────────────────

export interface RenderThroughputStats {
  completed_today: number
  completed_this_week: number
  completed_this_month: number
  failed_today: number
  failed_this_week: number
  failed_this_month: number
  avg_render_time_s: number | null
  median_render_time_s: number | null
}

export interface MaterialCoverageStats {
  total_unique_materials: number
  mapped_materials: number
  unmapped_materials: number
  coverage_pct: number
  library_material_count: number
  alias_count: number
}

export interface ProductStatsOverview {
  total_products: number
  with_step_files: number
  without_step_files: number
  step_coverage_pct: number
}

export interface OrderStatusBreakdown {
  draft: number
  submitted: number
  processing: number
  completed: number
  rejected: number
  total: number
}

export interface DashboardStats {
  render_throughput: RenderThroughputStats
  material_coverage: MaterialCoverageStats
  product_stats: ProductStatsOverview
  order_status: OrderStatusBreakdown
}

export async function getDashboardStats(): Promise<DashboardStats> {
  const { data } = await api.get<DashboardStats>('/admin/dashboard-stats')
  return data
}