/**
 * Setup State Management
 * 
 * Provides utilities to determine setup completion status and manage
 * field locking based on setup state
 */

export const useSetupState = () => {
  const coopStore = useCoopBuilderStore()
  const membersStore = useMembersStore()
  const policiesStore = usePoliciesStore()
  const streamsStore = useStreamsStore()

  // Check if setup is complete using the same logic as middleware
  const isSetupComplete = computed(() => {
    // Legacy stores OR new coop builder store (either is enough)
    const legacyComplete =
      membersStore.isValid &&
      policiesStore.isValid &&
      streamsStore.hasValidStreams

    const coopComplete = Boolean(
      coopStore &&
        Array.isArray(coopStore.members) &&
        coopStore.members.length > 0 &&
        Array.isArray(coopStore.streams) &&
        coopStore.streams.length > 0
    )

    return legacyComplete || coopComplete
  })

  // Determine if revenue and expense fields should be locked
  const areRevenueFieldsLocked = computed(() => {
    return isSetupComplete.value
  })

  const areExpenseFieldsLocked = computed(() => {
    return isSetupComplete.value
  })

  // Determine if member management should be in separate interface
  const shouldUseSeparateMemberInterface = computed(() => {
    return isSetupComplete.value
  })

  // Get setup completion percentage for progress display
  const setupProgress = computed(() => {
    let completed = 0
    let total = 4 // policies, members, revenue, costs

    if (policiesStore.isValid || (coopStore.equalHourlyWage > 0)) completed++
    if (membersStore.members.length > 0 || coopStore.members.length > 0) completed++
    if (streamsStore.hasValidStreams || coopStore.streams.length > 0) completed++
    if (coopStore.overheadCosts.length > 0) completed++

    return Math.round((completed / total) * 100)
  })

  // Navigation helpers
  const goToSetup = () => {
    navigateTo('/coop-planner')
  }

  const goToMemberManagement = () => {
    navigateTo('/settings#members')
  }

  const goToRevenueMix = () => {
    navigateTo('/mix')
  }

  return {
    isSetupComplete,
    areRevenueFieldsLocked,
    areExpenseFieldsLocked,
    shouldUseSeparateMemberInterface,
    setupProgress,
    goToSetup,
    goToMemberManagement,
    goToRevenueMix
  }
}