import { Navigate, Route, Routes } from 'react-router-dom'
import { useAuth } from './auth/AuthContext'
import { DomainsProvider } from './auth/DomainsContext'
import { DomainDetailPage } from './pages/DomainDetailPage'
import { HomePage } from './pages/HomePage'
import { LoginPage } from './pages/LoginPage'
import { RegisterPage } from './pages/RegisterPage'
import { SharedListsPage } from './pages/SharedListsPage'
import { StubPage } from './pages/StubPage'
import type { ReactNode } from 'react'

function Protected({ children }: { children: ReactNode }) {
  const { user, loading, status } = useAuth()

  if (loading) {
    return (
      <div className="auth-layout">
        <p className="muted">Loading…</p>
      </div>
    )
  }

  if (!user) {
    if (status?.registration_open) {
      return <Navigate to="/register" replace />
    }
    return <Navigate to="/login" replace />
  }

  if (user.role !== 'admin') {
    return (
      <div className="auth-layout">
        <div className="auth-panel">
          <h1>Access denied</h1>
          <p className="lede">
            Your account is signed in but does not have admin permission for
            domain controls.
          </p>
        </div>
      </div>
    )
  }

  return <DomainsProvider>{children}</DomainsProvider>
}

export default function App() {
  return (
    <Routes>
      <Route path="/login" element={<LoginPage />} />
      <Route path="/register" element={<RegisterPage />} />
      <Route
        path="/"
        element={
          <Protected>
            <HomePage />
          </Protected>
        }
      />
      <Route
        path="/shared-lists"
        element={
          <Protected>
            <SharedListsPage />
          </Protected>
        }
      />
      <Route
        path="/domains/:domain/settings"
        element={
          <Protected>
            <DomainDetailPage />
          </Protected>
        }
      />
      <Route
        path="/domains/:domain/records"
        element={
          <Protected>
            <StubPage
              title="DNS records"
              description="View Migadu DNS records for the selected domain."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/domains/:domain/diagnostics"
        element={
          <Protected>
            <StubPage
              title="Diagnostics"
              description="Domain diagnostics from the Migadu API."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/domains/:domain/usage"
        element={
          <Protected>
            <StubPage
              title="Usage"
              description="Domain usage statistics from the Migadu API."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/mailboxes"
        element={
          <Protected>
            <StubPage
              title="Mailboxes"
              description="Manage mailboxes on administered domains."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/identities"
        element={
          <Protected>
            <StubPage
              title="Identities"
              description="Manage mailbox identities."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/forwardings"
        element={
          <Protected>
            <StubPage
              title="Forwardings"
              description="Manage address forwardings."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/aliases"
        element={
          <Protected>
            <StubPage
              title="Aliases"
              description="Manage aliases on administered domains."
              domainScoped
            />
          </Protected>
        }
      />
      <Route
        path="/rewrites"
        element={
          <Protected>
            <StubPage
              title="Rewrites"
              description="Manage rewrite rules."
              domainScoped
            />
          </Protected>
        }
      />
      <Route path="*" element={<Navigate to="/" replace />} />
    </Routes>
  )
}