import type { Routes, UrlMatchResult, UrlSegment } from '@angular/router'
import { authGuard, guestGuard, roleGuard } from './core/auth.guards'
import { CUSTOMER_AREA_ROLES } from './core/roles'
import { AuthLayout } from './layout/auth-layout'
import { Shell } from './layout/shell'

/** Sezioni dell'area clienti: privati, aziende e installatori (che hanno anche la loro area). */
const customer = [roleGuard(...CUSTOMER_AREA_ROLES)]

const AUTH_PAGES = new Set(['login', 'registrazione', 'forgot-password', 'reset-password', 'verify-email'])

/**
 * Il layout di accesso vale solo per le sue pagine. Con `path: ''` Angular lo attiverebbe anche per `/`
 * (rotta vuota con figli: corrisponde all'URL vuoto anche se nessun figlio corrisponde), con una pagina vuota.
 */
function authPagesMatcher(segments: UrlSegment[]): UrlMatchResult | null {
  return segments[0] && AUTH_PAGES.has(segments[0].path) ? { consumed: [] } : null
}

/**
 * - Pagine di accesso nel layout semplice. Login, registrazione e password dimenticata solo da anonimi
 *   (`guestGuard`); reset password e verifica email anche con una sessione aperta.
 *   I percorsi `/forgot-password`, `/reset-password`, `/verify-email` sono quelli dei link delle email dell'API;
 *   `/login?redirect=` e `/registrazione?email=` sono il contratto con il sito pubblico (checkout).
 * - Area autenticata nel layout con menu (`authGuard`). Ogni sezione è riservata ai ruoli che la usano
 *   (`roleGuard`, `canMatch`): un ruolo non ammesso viene portato alla propria pagina iniziale (`homeFor`).
 *   Area clienti alla radice (customer, company; le sezioni anche installer), `/installatori`, `/admin`.
 */
export const routes: Routes = [
  {
    matcher: authPagesMatcher,
    component: AuthLayout,
    children: [
      { path: 'login', canActivate: [guestGuard], loadComponent: () => import('./pages/auth/login') },
      { path: 'registrazione', canActivate: [guestGuard], loadComponent: () => import('./pages/auth/register') },
      { path: 'forgot-password', canActivate: [guestGuard], loadComponent: () => import('./pages/auth/forgot-password') },
      { path: 'reset-password', loadComponent: () => import('./pages/auth/reset-password') },
      { path: 'verify-email', loadComponent: () => import('./pages/auth/verify-email') },
    ],
  },
  {
    path: '',
    component: Shell,
    canActivate: [authGuard],
    children: [
      // Area clienti (prompt 30)
      {
        path: '',
        pathMatch: 'full',
        canMatch: [roleGuard('customer', 'company')],
        loadComponent: () => import('./pages/customer/dashboard'),
      },
      { path: 'ordini', canMatch: customer, loadComponent: () => import('./pages/customer/orders') },
      { path: 'ordini/:numero', canMatch: customer, loadComponent: () => import('./pages/customer/order-detail') },
      { path: 'preventivi', canMatch: customer, loadComponent: () => import('./pages/customer/quotes') },
      { path: 'preventivi/:id', canMatch: customer, loadComponent: () => import('./pages/customer/quote-detail') },
      { path: 'assistenza', canMatch: customer, loadComponent: () => import('./pages/customer/tickets') },
      { path: 'assistenza/nuova', canMatch: customer, loadComponent: () => import('./pages/customer/ticket-new') },
      { path: 'assistenza/:id', canMatch: customer, loadComponent: () => import('./pages/customer/ticket-detail') },
      { path: 'documenti', canMatch: customer, loadComponent: () => import('./pages/customer/documents') },
      { path: 'profilo', canMatch: customer, loadComponent: () => import('./pages/customer/profile') },

      // Area installatori (prompt 31)
      {
        path: 'installatori',
        canMatch: [roleGuard('installer')],
        children: [
          { path: '', pathMatch: 'full', loadComponent: () => import('./pages/installer/installer-home') },
          { path: 'listino', loadComponent: () => import('./pages/installer/price-list') },
          { path: 'documenti', loadComponent: () => import('./pages/installer/technical-docs') },
          { path: 'profilo', loadComponent: () => import('./pages/installer/installer-profile') },
        ],
      },

      // Pannello admin (prompt 32). I `/:id` sono anche i link delle notifiche email allo staff.
      {
        path: 'admin',
        canMatch: [roleGuard('admin')],
        children: [
          { path: '', pathMatch: 'full', loadComponent: () => import('./pages/admin/admin-dashboard') },
          { path: 'richieste', loadComponent: () => import('./pages/admin/quote-requests') },
          { path: 'richieste/:id', loadComponent: () => import('./pages/admin/quote-request-detail') },
          { path: 'preventivi', loadComponent: () => import('./pages/admin/quotes') },
          { path: 'preventivi/:id', loadComponent: () => import('./pages/admin/quote-detail') },
          { path: 'ticket', loadComponent: () => import('./pages/admin/tickets') },
          { path: 'ticket/:id', loadComponent: () => import('./pages/admin/ticket-detail') },
          { path: 'installatori', loadComponent: () => import('./pages/admin/installers') },
          { path: 'installatori/:id', loadComponent: () => import('./pages/admin/installer-detail') },
          { path: 'utenti', loadComponent: () => import('./pages/admin/users') },
          { path: 'utenti/:id', loadComponent: () => import('./pages/admin/user-detail') },
          { path: 'blog', loadComponent: () => import('./pages/admin/blog') },
          { path: 'blog/nuovo', loadComponent: () => import('./pages/admin/blog-editor') },
          { path: 'blog/categorie', loadComponent: () => import('./pages/admin/blog-categories') },
          { path: 'blog/:id', loadComponent: () => import('./pages/admin/blog-editor') },
          { path: 'documenti', loadComponent: () => import('./pages/admin/documents') },
          { path: 'contatti', loadComponent: () => import('./pages/admin/contacts') },
          { path: 'contatti/:id', loadComponent: () => import('./pages/admin/contact-detail') },
          { path: 'showroom', loadComponent: () => import('./pages/admin/showroom') },
          { path: 'showroom/:id', loadComponent: () => import('./pages/admin/booking-detail') },
        ],
      },

      { path: '**', loadComponent: () => import('./pages/not-found') },
    ],
  },
]