import { type ViewRouteMetaEntry, viewRouteMeta } from './viewRouteMeta.generated'
import { viewRouteManual } from './viewRouteManual'

/** view registry keys whose folder layout does not match the SPA route (see `App.tsx`). */
const VIEW_REGISTRY_APP_PATH_OVERRIDES: Record<string, string> = {
  // Nested views map to flat `/app/teacher/competition-scores` (+ dynamic detail route).
  'teacher/competition_scores/index': '/app/teacher/competition-scores',
  'teacher/competition_scores/scores': '/app/teacher/competition-scores',
  'landing_page/admin_dashboard': '/app/landing-page/admin-dashboard',
  /** view `landing_page/teacher_dashboard.php` → SPA (underscore segment per legacy URL). */
  'landing_page/teacher_dashboard': '/app/teacher_dashboard',
  'flags/flags_management': '/app/administrator/flags/management',
  'flags/processed_flags': '/app/administrator/flags/processed',
  'flags/incident_analysis': '/app/administrator/flags/incident-analysis',
  'grading/grading_main': '/app/grading',
  'grading/all_decisions': '/app/grading/decisions',
  'grading/below_sixty': '/app/grading/below-60',
  'grading/below_sixty_decision_email_editor': '/app/grading/below-60/decisions/email-editor',
  'grading/below_sixty_decisions': '/app/grading/below-60/decisions',
  'grading/below_sixty_email_editor': '/app/grading/below-60/email-editor',
  'grading/comments': '/app/grading/scores/comments',
  'grading/final': '/app/grading/scores/final',
  'grading/homework': '/app/grading/scores/homework',
  'grading/homework_tracking': '/app/grading/homework-tracking',
  'grading/midterm': '/app/grading/scores/midterm',
  'grading/participation': '/app/grading/participation',
  'grading/placement': '/app/grading/placement',
  /** Batch id is in the URL segment in view; dynamic route uses `spaPathFromCiUrl` / placement-index when no id. */
  'grading/placement_batch': '/app/grading/placement-index',
  'grading/placement_index': '/app/grading/placement-index',
  'grading/project': '/app/grading/scores/project',
  'grading/quiz': '/app/grading/scores/quiz',
  'grading/schedule_meeting': '/app/grading/schedule-meeting',
  'grading/test': '/app/grading/scores/test',
  'inventory/book/index': '/app/inventory/book',
  'inventory/book/form': '/app/inventory/book/create',
  'inventory/classroom/index': '/app/administrator/inventory/classroom',
  'inventory/classroom/form': '/app/administrator/inventory/classroom/create',
  'inventory/classroom/audit_form': '/app/administrator/inventory/classroom',
  'inventory/kitchen/index': '/app/administrator/inventory/kitchen',
  'inventory/kitchen/form': '/app/administrator/inventory/kitchen/create',
  'inventory/office/index': '/app/administrator/inventory/office',
  'inventory/office/form': '/app/administrator/inventory/office/create',
  'inventory/movements/index': '/app/administrator/inventory/movements',
  'inventory/movements/form': '/app/administrator/inventory/movements/create',
  'inventory/movements/edit': '/app/administrator/inventory/movements',
  'inventory/summary': '/app/administrator/inventory/summary',
  'inventory/adjust_form': '/app/administrator/inventory/summary',
  'inventory/teacher_distribute': '/app/teacher/inventory/book-distribute',
  'attendance/teacher_attendance_month': '/app/admin/teacher-attendance/month',
  'attendance/violations_pending': '/app/attendance/violations/pending',
  'attendance/violations_notified': '/app/attendance/violations/notified',
  'attendance/early_dismissals': '/app/attendance/early-dismissals',
  'attendance/early_dismissals_add': '/app/attendance/early-dismissals/new',
  /** view `enroll_withdraw/new-students.php` — registered students list (JWT `registered-new-students`). */
  'enroll_withdraw/new-students': '/app/admin/enrollment/new-students',
  'enroll_withdraw/new_students': '/app/admin/enrollment/new-students',
  'administrator/sections_auto_distribute': '/app/administrator/sections/auto-distribute',
  'administrator/sections_promotion_totals': '/app/administrator/sections/promotion-totals',
  /** view `administrator/events/event_list.php` — school calendar list (`GET .../school-calendar/events`). */
  'administrator/events/event_list': '/app/administrator/events',
  'administrator/events': '/app/administrator/events',
  'invoice_payment/invoice_management': '/app/administrator/invoice-payment',
  /** PDF is generated server-side; SPA preview lives under invoice-payment/pdf/:id */
  'invoice_payment/pdf_template': '/app/administrator/invoice-payment',
  'notifications/list_active': '/app/notifications/active',
  'notifications/list_deleted': '/app/notifications/deleted',
  'payment/manual_pay': '/app/administrator/payment/manual-pay',
  'payment/manual_payment': '/app/administrator/payment/manual-payment',
  'payment/notification_management': '/app/administrator/payment/notification-management',
  'payment/unpaid_parents': '/app/payment/unpaid-parents',
  'payment/discount': '/app/administrator/payment/discount-apply-student',
  'payment/extra_charges': '/app/admin/charges',
  'payment/financial_report': '/app/administrator/payment/financial-report',
  'payment/financial_report_summary': '/app/administrator/payment/financial-report-summary',
  'payment/payment_redirect': '/app/parent/payment-redirect',
  'policy/school_policy': '/school-policy',
  'policy/picture_policy': '/picture-policy',
  'print_requests/admin_index': '/app/admin/print-requests',
  'print_requests/teacher_index': '/app/teacher/print-requests',
  'printables_reports/sticker_form': '/app/printables_reports/stickers',
  'printables_reports/stickers': '/app/printables_reports/stickers',
  'printables_reports/badge_form': '/app/administrator/printables/badges',
  'printables_reports/report_card': '/app/administrator/printables/report-cards',
  'reimbursements/index': '/app/administrator/reimbursements',
  'reimbursements/create': '/app/administrator/reimbursements/create',
  'reimbursements/edit': '/app/administrator/reimbursements',
  'reimbursements/under_processing': '/app/administrator/reimbursements/under-processing',
  'report/combined': '/app/report/combined',
  'rfid/rfid_coming_soon': '/app/rfid_coming_soon',
  'rolepermission/list_roles': '/app/rolepermission/roles',
  'rolepermission/permissionList': '/app/rolepermission/list_permissions',
  'rolepermission/list_permissions': '/app/rolepermission/list_permissions',
  'rolepermission/add_permission': '/app/rolepermission/permissions/create',
  'rolepermission/add_role': '/app/rolepermission/roles/create',
  'rolepermission/assign_role': '/app/rolepermission/assign',
  'rolepermission/edit_permission': '/app/rolepermission/list_permissions',
  'rolepermission/edit_role': '/app/rolepermission/roles',
  'rolepermission/edit_role_permissions': '/app/rolepermission/roles',
  'score_analysis/score_prediction': '/app/administrator/score-analysis/score-prediction',
  'slips/preview_list': '/app/slips/preview',
  'slips/slip_pdf': '/app/slips/print',
  'staff/index': '/app/staff',
  'staff/create': '/app/staff/create',
  'student/score_card_list': '/app/student/score-card/list',
  /** Detail view is reached with an id segment in the URL; map the view key to the list entry route. */
  'student/score_card': '/app/student/score-card/list',
  'whatsapp/manage_links': '/app/whatsapp/manage-links',
  'whatsapp/parent_contacts': '/app/whatsapp/parent-contacts',
  'whatsapp/parent_contacts_by_class': '/app/whatsapp/parent-contacts-by-class',
  'winners/competitions/index': '/app/winners/competitions',
}

/** Match view `app/Views/...` keys: lowercase, hyphens in URL map to underscores. */
export function getViewRouteMeta(splat: string): ViewRouteMetaEntry | null {
  const raw = splat
    .trim()
    .replace(/^\/+|\/+$/g, '')
    .toLowerCase()
  if (!raw) return null
  const withUnderscores = raw.replace(/-/g, '_')
  return (
    viewRouteManual[withUnderscores] ?? viewRouteMeta[withUnderscores] ?? null
  )
}

/** Build canonical SPA path from a registry key (snake segments) using kebab-case segments. */
export function registryKeyToAppPath(routeKey: string): string {
  const normalized = routeKey.trim().toLowerCase()
  const override = VIEW_REGISTRY_APP_PATH_OVERRIDES[normalized]
  if (override) return override

  const parts = routeKey.split('/').map((seg) => seg.replace(/_/g, '-'))
  return `/app/${parts.join('/')}`
}