export function spaPathFromCiUrl(url: string | null | undefined): string | null {
  if (url == null) return null
  const u = url.trim()
  if (u === '' || u === '#') return '/app/home'
  if (/^https?:\/\//i.test(u)) return null

  const path = u.replace(/^\/+/, '').replace(/\/+$/, '')
  if (!path) return '/app/home'

  if (path === 'app' || path.startsWith('app/')) {
    return `/${path}`
  }

  const querySuffix = path.includes('?') ? `?${path.slice(path.indexOf('?') + 1)}` : ''
  const pathOnly = path.split('?')[0] ?? path

  const slug = pathOnly
    .split('/')
    .map((s) => s.trim())
    .filter(Boolean)
    .map((s) => s.toLowerCase())
    .join('/')

  const competitionScoresDetail = /^teacher\/competition_scores\/scores\/(\d+)$/.exec(slug)
  if (competitionScoresDetail) {
    return `/app/teacher/competition-scores/${competitionScoresDetail[1]}${querySuffix}`
  }

  const teacherMessage = /^teacher\/teacher_message\/(\d+)$/.exec(slug)
  if (teacherMessage) {
    return `/app/teacher/messages/${teacherMessage[1]}${querySuffix}`
  }

  const gradingScore = /^grading\/(homework|quiz|project|test|midterm|final|comments)$/.exec(slug)
  if (gradingScore) {
    return `/app/grading/scores/${gradingScore[1]}${querySuffix}`
  }

  const placementBatchDetail = /^grading\/placement_batch\/(\d+)$/.exec(slug)
  if (placementBatchDetail) {
    return `/app/grading/placement-batch/${placementBatchDetail[1]}${querySuffix}`
  }

  const inventoryEdit = /^inventory\/edit\/(\d+)$/.exec(slug)
  if (inventoryEdit) {
    return `/app/administrator/inventory/edit/${inventoryEdit[1]}${querySuffix}`
  }
  const inventoryAudit = /^inventory\/classroom\/audit\/(\d+)$/.exec(slug)
  if (inventoryAudit) {
    return `/app/administrator/inventory/classroom/${inventoryAudit[1]}/audit${querySuffix}`
  }
  const inventoryAdjust = /^inventory\/adjust\/(\d+)$/.exec(slug)
  if (inventoryAdjust) {
    return `/app/administrator/inventory/items/${inventoryAdjust[1]}/adjust${querySuffix}`
  }
  const inventoryMovementEdit = /^inventory\/movements\/edit\/(\d+)$/.exec(slug)
  if (inventoryMovementEdit) {
    return `/app/administrator/inventory/movements/${inventoryMovementEdit[1]}/edit${querySuffix}`
  }

  const userEdit = /^user\/edit\/(\d+)$/.exec(slug)
  if (userEdit) {
    return `/app/user/edit/${userEdit[1]}${querySuffix}`
  }

  const authUserPw = /^user\/set_authorized_user_password\/(\d+)$/.exec(slug)
  if (authUserPw) {
    return `/set-authorized-user-password/${authUserPw[1]}${querySuffix}`
  }

  const shortcuts: Record<string, string> = {
    'landing_page/admin_dashboard': '/app/landing-page/admin-dashboard',
    'landing_page/guest_dashboard': '/app/home',
    'landing_page/parent_dashboard': '/app/parent/home',
    'landing_page/teacher_dashboard': '/app/teacher_dashboard',
    'teacher/dashboard': '/app/teacher_dashboard',
    'teacher/no_classes': '/app/teacher/no-classes',
    'teacher/select_semester': '/app/teacher/select-semester',
    'teacher/trash': '/app/teacher/trash',
    'teacher/inbox': '/app/teacher/inbox',
    'teacher/sent': '/app/teacher/sent',
    'teacher/competition_scores/index': '/app/teacher/competition-scores',
    'teacher/absence_vacation': '/app/teacher/absence-vacation',
    'teacher/add_final_exam': '/app/teacher/add-final-exam',
    'teacher/add_homework': '/app/teacher/add-homework',
    'teacher/add_midterm_exam': '/app/teacher/add-midterm-exam',
    'teacher/add_participation': '/app/teacher/add-participation',
    'teacher/add_project': '/app/teacher/add-project',
    'teacher/add_quiz': '/app/teacher/add-quiz',
    'teacher/add_quiz_column_form': '/app/teacher/add-quiz-column-form',
    'teacher/calendar': '/app/teacher/calendar',
    'teacher/class_progress_history': '/app/teacher/class-progress-history',
    'teacher/class_progress_submit': '/app/teacher/class-progress-submit',
    'teacher/class_progress_view': '/app/teacher/class-progress-view',
    'teacher/class_view': '/app/teacher/class-view',
    'teacher/drafts': '/app/teacher/drafts',
    'teacher/exam_drafts': '/app/teacher/exam-drafts',
    'teacher/homework_list': '/app/teacher/homework-list',
    'teacher/scores': '/app/teacher/scores',
    'teacher/showupdate_attendance': '/app/teacher/showupdate-attendance',
    'teacher/teacher_assignment': '/app/teacher/teacher-assignment',
    'teacher/teacher_contactus': '/app/teacher/teacher-contactus',
    'teacher/teacher_support': '/app/teacher/teacher-support',
    'teacher/teacher_message': '/app/teacher/inbox',
    'flags/flags_management': '/app/administrator/flags/management',
    'flags/processed_flags': '/app/administrator/flags/processed',
    'flags/incident_analysis': '/app/administrator/flags/incident-analysis',
    'administrator/dashboard': '/app/administrator/dashboard',
    'administrator/administratordashboard': '/app/admin/dashboard',
    'administrator/absence': '/app/administrator/absence',
    'administrator/daily_attendance': '/app/administrator/daily_attendance',
    'administrator/daily_attendance_analysis': '/app/administrator/daily_attendance_analysis',
    'administrator/exam_drafts': '/app/administrator/exam-drafts',
    'administrator/grading_management': '/app/administrator/grading_management',
    'administrator/ip_bans': '/app/administrator/ip_bans',
    'administrator/late_slip_logs': '/app/administrator/late_slip_logs',
    'administrator/manage_users': '/app/administrator/manage_users',
    'administrator/notifications_alerts': '/app/administrator/notifications_alerts',
    'administrator/parent_profile': '/app/administrator/parent_profiles',
    'administrator/paypal_transactions': '/app/administrator/paypal_transactions',
    'administrator/print_notification_admins': '/app/administrator/print_notification_admins',
    'administrator/removed_students': '/app/administrator/removed_students',
    'administrator/search_results': '/app/administrator/search_results',
    'administrator/sections_auto_distribute': '/app/administrator/sections/auto-distribute',
    'administrator/sections_promotion_totals': '/app/administrator/sections/promotion-totals',
    'administrator/student_class_assignment': '/app/administrator/student_class_assignment',
    'administrator/student_profiles': '/app/administrator/student_profiles',
    'administrator/subject_curriculum': '/app/administrator/subject-curriculum',
    'administrator/teacher_class_assignment': '/app/administrator/teacher_class_assignment',
    'administrator/teacher_submissions': '/app/administrator/teacher-submissions',
    'administrator/events/event_list': '/app/administrator/events',
    'administrator/events': '/app/administrator/events',
    'admin/competition_winners': '/app/competition-winners',
    'admin/competition_winners/index': '/app/competition-winners',
    'admin/competition_winners/form': '/app/competition-winners/create',
    'admin/competition_winners/preview': '/app/competition-winners',
    'admin/competition_winners/scores': '/app/competition-winners',
    'admin/competition_winners/winners': '/app/competition-winners',
    'admin/class_progress_list': '/app/admin/progress',
    'admin/class_progress_view': '/app/admin/progress',
    'administrator/student_score_card': '/app/administrator/student-score-card',
    'administrator/emergency_contact': '/app/administrator/emergency-contacts',
    'administrator/emergency_contact/index': '/app/administrator/emergency-contacts',
    'administrator/emergency_contact/edit': '/app/administrator/emergency-contacts',
    'nav-builder': '/app/nav-builder',
    'nav-builder/index': '/app/nav-builder/index',
    'nav-builder/edit': '/app/nav-builder/edit',
    'api/nav-builder': '/app/nav-builder',
    'parent/parent_dashboard': '/app/parent/home',
    parent_dashboard: '/app/parent/home',
    'parent/attendance-reports': '/app/parent/attendance-reports',
    'parent/authorized-users': '/app/parent/authorized-users',
    'parent/update-profile': '/app/parent/update-profile',
    'parent/add_second_parent': '/app/parent/add-second-parent',
    'parent/add-second-parent': '/app/parent/add-second-parent',
    'parent/enroll_classes': '/app/parent/enroll-classes',
    'parent/enroll-classes': '/app/parent/enroll-classes',
    'parent/enroll_success': '/app/parent/enroll/success',
    'parent/enroll_failure': '/app/parent/enroll/failure',
    'parent/payment': '/app/parent/payment',
    'parent/invoice_payment': '/app/parent/invoice-payment',
    'parent/invoice-payment': '/app/parent/invoice-payment',
    'parent/calendar': '/app/parent/calendar',
    'parent/attendance': '/app/parent/attendance',
    'parent/report-attendance': '/app/parent/report-attendance',
    'parent/report_cards': '/app/parent/report-cards',
    'parent/report-cards': '/app/parent/report-cards',
    'parent/progress': '/app/parent/progress',
    'parent/events': '/app/parent/events',
    'parent/contact': '/app/parent/contact',
    'parent/register_student': '/app/parent/register-student',
    'parent/register-student': '/app/parent/register-student',
    'parent/scores': '/app/parent/scores',
    'parent/assignments': '/app/parent/assignments',
    'parent/classes': '/app/parent/classes',
    'parent/viewsecondparent': '/app/parent/add-second-parent',
    'parent/child_register': '/app/parent/register-student',
    'parent/edit-emergency-contact': '/app/parent/edit-emergency-contact',
    'parent/emergency-contacts': '/app/parent/emergency-contacts',
    'parent/edit_all_students': '/app/parent/edit-all-students',
    'parent/edit-all-students': '/app/parent/edit-all-students',
    'class-prep': '/app/administrator/class-prep',
    communications: '/app/administrator/communications',
    'communications/index': '/app/administrator/communications',
    'configuration/configuration_view': '/app/administrator/configuration_view',
    'discounts/list': '/app/administrator/discounts',
    'discount/create': '/app/administrator/discounts/create',
    'discount/apply': '/app/administrator/discounts/apply',
    'errors/invalid_token': '/invalid-token',
    'errors/access_denied': '/access-denied',
    'discounts/reverse_discount': '/app/administrator/discounts/reverse',
    'expenses/index': '/app/administrator/expenses',
    'expenses/create': '/app/administrator/expenses/create',
    family: '/app/administrator/family',
    'family/index': '/app/administrator/family',
    'family/compose-email': '/app/administrator/family/compose-email',
    'families/import-legacy': '/app/families/import-legacy',
    'administrator/expense_management': '/app/administrator/expenses',
    'enroll_withdraw/new-students': '/app/admin/enrollment/new-students',
    'enroll_withdraw/enrollment_withdrawal': '/app/administrator/enroll-withdraw/enrollment-withdrawal',
    'emails/parent_email_extractor': '/app/administrator/parent-email-extractor',
    'emails/broadcast': '/app/administrator/email-templates',
    '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/homework_tracking': '/app/grading/homework-tracking',
    'grading/participation': '/app/grading/participation',
    'grading/placement_index': '/app/grading/placement-index',
    'grading/placement': '/app/grading/placement',
    'grading/schedule_meeting': '/app/grading/schedule-meeting',
    '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',
    'inventory/books/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',
    'invoice_payment/invoice_management': '/app/administrator/invoice-payment',
    '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/under_processing': '/app/administrator/reimbursements/under-processing',
    'refunds/list': '/app/refunds/list',
    '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',
    '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',
    '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',
    'user/welcome_back': '/app/user/welcome-back',
    'user/login_activity': '/app/user/login-activity',
    'user/user_list': '/app/user/user-list',
    'user/create': '/app/user/create',
    'user/forgot_password': '/forgot-password',
    'user/reset_password': '/reset-password',
    'user/set_password': '/set-password',
    'user/password_set_success': '/password-set-success',
    'user/login': '/login',
    'user/register': '/register',
  }

  const mapped = shortcuts[slug]
  if (mapped) return `${mapped}${querySuffix}`
  return `/app/${slug}${querySuffix}`
}

export function isExternalNavUrl(url: string | null | undefined): boolean {
  if (!url) return false
  return /^https?:\/\//i.test(url.trim())
}