// CIL[BEGIN chunk_id="useWorkbenchRole_useworkbenchrole_1785096505" type="hook" identity="useWorkbenchRole" parent="none"]
// CIL[DOC-MACRO purpose="Manage and persist the user's active workbench role"]
// CIL[DOC-RESPONSIBILITY responsibility="Read the selected role from localStorage, keep it in sync across tabs, and provide setter helpers"]
// CIL[DOC-CONTEXT module="workbench.hooks" layer="frontend-hook" related_files="[\"custom/apps/workbench/components/WorkbenchSidebar.tsx\",\"custom/apps/workbench/components/work/TeamSwitcher.tsx\"]"]
// CIL[DOC-CONTRACT inputs="none" outputs="{ role, selectRole, roles } plus helpers getWorkbenchRole/setWorkbenchRole" errors="none" side_effects="reads/writes localStorage, listens to storage events"]
// CIL[DOC-MICRO logic_summary="Provides WORKBENCH_ROLES constant, localStorage helpers, and a React hook that syncs role across browser tabs" notable_decisions="[]"]
// CIL[DOC-CONFIDENCE pass="first" score="0.90" flags="none"]
// CIL[DOC-STABILITY stability="stable"]
// CIL[DOC-AUDIENCE audience="developer"]
import { useEffect, useState } from 'react'
import { useLocation, useNavigate } from 'react-router-dom'
import { useAppPath } from '@core/hooks/useAppPath'

const STORAGE_KEY = 'workbench:selected-role'
const DEFAULT_ROLE = 'engineering'

export const WORKBENCH_ROLES = [
  'product',
  'engineering',
  'devops',
  'qa',
  'delivery',
  'docs',
  'support',
  'sales',
  'management',
  'proserve',
]

const ROLE_PATH_RE = new RegExp(`^/workbench/work/(${WORKBENCH_ROLES.join('|')})(?:/|$)`)

export function getWorkbenchRole(): string {
  if (typeof window === 'undefined') return DEFAULT_ROLE
  const saved = localStorage.getItem(STORAGE_KEY)
  return saved && WORKBENCH_ROLES.includes(saved) ? saved : DEFAULT_ROLE
}

export function setWorkbenchRole(role: string) {
  if (typeof window === 'undefined') return
  localStorage.setItem(STORAGE_KEY, role)
}

export function useWorkbenchRole() {
  const navigate = useNavigate()
  const location = useLocation()
  const appPath = useAppPath()
  const [storedRole, setStoredRole] = useState<string>(getWorkbenchRole())

  const urlRoleMatch = location.pathname.match(ROLE_PATH_RE)
  const urlRole = urlRoleMatch ? urlRoleMatch[1] : null
  const role = urlRole || storedRole

  useEffect(() => {
    const handleStorage = (e: StorageEvent) => {
      if (e.key === STORAGE_KEY) {
        setStoredRole(e.newValue || DEFAULT_ROLE)
      }
    }
    window.addEventListener('storage', handleStorage)
    return () => window.removeEventListener('storage', handleStorage)
  }, [])

  const selectRole = (next: string) => {
    setWorkbenchRole(next)
    setStoredRole(next)
    const current = location.pathname
    const restMatch = current.match(ROLE_PATH_RE)
    if (restMatch) {
      const rest = current.slice(`/workbench/work/${restMatch[1]}`.length)
      navigate(appPath(`/work/${next}${rest}`))
    }
  }

  return { role, selectRole, roles: WORKBENCH_ROLES, setStoredRole }
}
// CIL[END chunk_id="useWorkbenchRole_useworkbenchrole_1785096505"]