import AdminJS from 'adminjs'
import AdminJSFastify from '@adminjs/fastify'
import { Database, Resource, getModelByName } from '@adminjs/prisma'
import bcrypt from 'bcrypt'
import { exec } from 'child_process'
import { prisma } from './src/lib/db.mjs'

AdminJS.registerAdapter({ Database, Resource })

// ── Auto-build (prod only) ──────────────────────────────────────────────────
let buildTimeout = null
let buildInProgress = false

function triggerBuild() {
  if (process.env.NODE_ENV !== 'production') {
    console.log('[admin] Dev mode — skipping build')
    return
  }
  if (buildTimeout) clearTimeout(buildTimeout)
  buildTimeout = setTimeout(() => {
    if (buildInProgress) return
    buildInProgress = true
    console.log('[admin] Building site...')
    exec('pnpm build', { cwd: process.cwd(), timeout: 120_000 }, (err, stdout, stderr) => {
      buildInProgress = false
      if (err) console.error('[admin] Build FAILED:', stderr)
      else console.log('[admin] Build OK')
    })
  }, 5_000)
}

const afterBuildHook = async (response) => { triggerBuild(); return response }

// ── AdminJS setup ───────────────────────────────────────────────────────────
export async function setupAdmin(app) {
  const admin = new AdminJS({
    rootPath: '/admin',
    resources: [
      {
        resource: { model: getModelByName('Product'), client: prisma },
        options: {
          navigation: { name: 'Contenu', icon: 'Package' },
          listProperties: ['sortOrder', 'name', 'type', 'price', 'isPublished', 'updatedAt'],
          editProperties: [
            'slug', 'sortOrder', 'index', 'name', 'type', 'materials',
            'year', 'status', 'description', 'specs', 'notes',
            'imagePath', 'imageAlt',
            'seoTitle', 'seoDescription', 'ogImage',
            'productDisplayName', 'price', 'currency', 'availability',
            'stripePriceId', 'stripeKey', 'isPublished',
          ],
          properties: {
            description: { type: 'textarea' },
            specs: { type: 'textarea' },
            notes: { type: 'textarea' },
            seoDescription: { type: 'textarea' },
          },
          actions: {
            new: { after: [afterBuildHook] },
            edit: { after: [afterBuildHook] },
            delete: { after: [afterBuildHook] },
          },
        },
      },
      {
        resource: { model: getModelByName('Order'), client: prisma },
        options: {
          navigation: { name: 'Commerce', icon: 'CreditCard' },
          listProperties: ['stripeSessionId', 'status', 'amount', 'customerEmail', 'productSlug', 'createdAt'],
          actions: {
            new: { isAccessible: false },
            edit: { isAccessible: false },
            delete: { isAccessible: false },
          },
        },
      },
    ],
    branding: {
      companyName: 'REBOURS Studio',
      logo: false,
      withMadeWithLove: false,
    },
  })

  await AdminJSFastify.buildAuthenticatedRouter(
    admin,
    {
      authenticate: async (email, password) => {
        const user = await prisma.adminUser.findUnique({ where: { email } })
        if (!user) return null
        const valid = await bcrypt.compare(password, user.passwordHash)
        return valid ? { email: user.email, id: user.id } : null
      },
      cookiePassword: process.env.COOKIE_SECRET ?? 'super-secret-cookie-password-at-least-32-chars',
      cookieName: 'adminjs',
    },
    app,
    {
      saveUninitialized: false,
      cookie: {
        httpOnly: true,
        secure: process.env.NODE_ENV === 'production',
      },
    }
  )

  return admin
}