'use client'

import { useState, useEffect } from 'react'
import { useAos } from '@/store/aos'
import { SidebarNav } from './sidebar-nav'
import { TopBar } from './top-bar'
import { Footer } from './footer'
import { CommandMenu } from './command-menu'
import { CompanyDrawer } from './company-drawer'
import { Sheet, SheetContent, SheetTitle } from '@/components/ui/sheet'
import { DashboardView } from './views/dashboard'
import { CalendarView } from './views/calendar'
import { ReportingView } from './views/reporting'
import { CrmView } from './views/crm'
import { LeadsView } from './views/leads'
import { EstimatesView } from './views/estimates'
import { ProjectsView } from './views/projects'
import { TimesheetView } from './views/timesheet'
import { SupportView } from './views/support'
import { LicensesView } from './views/licenses'
import { AgencyView } from './views/agency'
import { ResellerPortalView } from './views/reseller-portal'
import { InstancesView } from './views/instances'
import { ContractsView } from './views/contracts'
import { ExpensesView } from './views/expenses'
import { FinanceView } from './views/finance'
import { RecurringView } from './views/recurring'
import { AccountingView } from './views/accounting'
import { FinanzamtView } from './views/finanzamt'
import { AuditView } from './views/audit'
import { DataView } from './views/data'
import { KbView } from './views/kb'
import { ApiView } from './views/api'
import { SettingsView } from './views/settings'
import { GlobalSettingsView } from './views/global-settings'
import { SetupWizardView } from './views/setup-wizard'
import { PortalShell } from './portal-shell'
import { OnboardingOverlay } from './onboarding-overlay'
import { MobileBottomNav } from './mobile-bottom-nav'

export function AppShell() {
  const { view, sidebarOpen, setSidebarOpen, portalMode } = useAos()
  const [mounted, setMounted] = useState(false)

  // Hydration gate: wait for client mount before rendering interactive UI
  // This prevents Radix UI useId() mismatches between server and client
  useEffect(() => {
    // eslint-disable-next-line react-hooks/set-state-in-effect
    setMounted(true)
  }, [])

  // Portal mode renders a completely separate experience
  if (portalMode) return <PortalShell />

  // Before mount: render a minimal skeleton to prevent hydration mismatch
  if (!mounted) {
    return (
      <div className="flex min-h-screen w-full bg-background">
        <aside className="hidden w-64 shrink-0 border-r border-border md:block" />
        <div className="flex min-w-0 flex-1 flex-col">
          <header className="h-16 border-b border-border" />
          <main className="flex-1" />
          <Footer />
        </div>
      </div>
    )
  }

  return (
    <div className="flex min-h-screen w-full bg-background">
      {/* Desktop sidebar */}
      <aside className="hidden w-64 shrink-0 border-r border-border md:block">
        <div className="sticky top-0 h-screen">
          <SidebarNav />
        </div>
      </aside>

      {/* Mobile sidebar */}
      <Sheet open={sidebarOpen} onOpenChange={setSidebarOpen}>
        <SheetContent side="left" className="w-72 p-0">
          <SheetTitle className="sr-only">Navigation</SheetTitle>
          <SidebarNav />
        </SheetContent>
      </Sheet>

      {/* Main */}
      <div className="flex min-w-0 flex-1 flex-col">
        <TopBar />
        <main className="flex-1 pb-16 md:pb-0">
          {view === 'dashboard' && <DashboardView />}
          {view === 'calendar' && <CalendarView />}
          {view === 'reporting' && <ReportingView />}
          {view === 'crm' && <CrmView />}
          {view === 'leads' && <LeadsView />}
          {view === 'estimates' && <EstimatesView />}
          {view === 'projects' && <ProjectsView />}
          {view === 'timesheet' && <TimesheetView />}
          {view === 'support' && <SupportView />}
          {view === 'licenses' && <LicensesView />}
          {view === 'agency' && <AgencyView />}
          {view === 'reseller_portal' && <ResellerPortalView />}
          {view === 'instances' && <InstancesView />}
          {view === 'contracts' && <ContractsView />}
          {view === 'expenses' && <ExpensesView />}
          {view === 'finance' && <FinanceView />}
          {view === 'recurring' && <RecurringView />}
          {view === 'accounting' && <AccountingView />}
          {view === 'finanzamt' && <FinanzamtView />}
          {view === 'audit' && <AuditView />}
          {view === 'data' && <DataView />}
          {view === 'kb' && <KbView />}
          {view === 'api' && <ApiView />}
          {view === 'settings' && <SettingsView />}
          {view === 'settings_global' && <GlobalSettingsView />}
          {view === 'setup' && <SetupWizardView />}
        </main>
        <Footer />
      </div>

      <CommandMenu />
      <CompanyDrawer />
      <OnboardingOverlay />
      <MobileBottomNav />
    </div>
  )
}