import {
  createRootRoute,
  createRoute,
  createRouter,
  redirect,
} from '@tanstack/react-router'
import { AppShell } from '@/components/layout/AppShell'
import { LoginPage } from '@/pages/LoginPage'
import { RegisterPage } from '@/pages/RegisterPage'
import { GardensPage } from '@/pages/GardensPage'
import { GardenEditorPage } from '@/pages/GardenEditorPage'
import { PlantsPage } from '@/pages/PlantsPage'

const rootRoute = createRootRoute({ component: AppShell })

// The root path has no page of its own yet; send it to the gardens list. A real
// auth-aware landing/redirect lands with the route guard in issue #6.
const indexRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: '/',
  beforeLoad: () => {
    throw redirect({ to: '/gardens' })
  },
})

const loginRoute = createRoute({ getParentRoute: () => rootRoute, path: 'login', component: LoginPage })
const registerRoute = createRoute({ getParentRoute: () => rootRoute, path: 'register', component: RegisterPage })
const gardensRoute = createRoute({ getParentRoute: () => rootRoute, path: 'gardens', component: GardensPage })
const gardenEditorRoute = createRoute({
  getParentRoute: () => rootRoute,
  path: 'gardens/$gardenId',
  component: GardenEditorPage,
})
const plantsRoute = createRoute({ getParentRoute: () => rootRoute, path: 'plants', component: PlantsPage })

const routeTree = rootRoute.addChildren([
  indexRoute,
  loginRoute,
  registerRoute,
  gardensRoute,
  gardenEditorRoute,
  plantsRoute,
])

export const router = createRouter({
  routeTree,
  defaultPreload: 'intent',
})

declare module '@tanstack/react-router' {
  interface Register {
    router: typeof router
  }
}