/* eslint-disable no-console */
import 'dotenv/config'
import { writeFile } from 'fs/promises'
import { getPayload } from 'payload'
import config from '../payload.config.js'

const STAGING = 'https://shumi.ai-impress.com'

// Seed placeholders to remove once real articles are imported.
const SEED_TITLES = [
  'Сезон динозаврів відкрито!',
  'Весняні канікули в Шуміленді',
  'Нова локація: Тир з призами',
]

interface StagingPost {
  title: string
  slug: string
  publishedAt?: string | null
  excerpt?: string | null
  body?: unknown
  status?: string
  hero?: { url?: string | null; alt?: string | null } | null
}

async function downloadHero(url: string, slug: string): Promise<string | null> {
  try {
    const res = await fetch(url)
    if (!res.ok) return null
    const buf = Buffer.from(await res.arrayBuffer())
    const ct = res.headers.get('content-type') ?? ''
    const ext = ct.includes('png')
      ? 'png'
      : ct.includes('jpeg')
        ? 'jpg'
        : ct.includes('webp')
          ? 'webp'
          : 'bin'
    const path = `/tmp/blog-${slug}.${ext}`
    await writeFile(path, buf)
    return path
  } catch {
    return null
  }
}

async function run(): Promise<void> {
  const payload = await getPayload({ config })

  const res = await fetch(
    `${STAGING}/api/blog-posts?limit=50&depth=1&where[status][equals]=published`
  )
  const data = (await res.json()) as { docs: StagingPost[] }
  const posts = data.docs ?? []
  console.log(`Staging published posts: ${posts.length}`)

  let created = 0
  let skipped = 0

  for (const p of posts) {
    const existing = await payload.find({
      collection: 'blog-posts',
      where: { title: { equals: p.title } },
      limit: 1,
      overrideAccess: true,
    })
    if (existing.totalDocs > 0) {
      console.log(`= exists: ${p.title}`)
      skipped++
      continue
    }

    let heroId: number | undefined
    const heroUrl = p.hero?.url
    if (heroUrl) {
      const full = heroUrl.startsWith('http') ? heroUrl : `${STAGING}${heroUrl}`
      const filePath = await downloadHero(full, p.slug)
      if (filePath) {
        const media = await payload.create({
          collection: 'media',
          filePath,
          data: { alt: p.hero?.alt ?? p.title },
          overrideAccess: true,
        })
        heroId = media.id as number
      }
    }

    await payload.create({
      collection: 'blog-posts',
      data: {
        title: p.title,
        publishedAt: p.publishedAt ?? undefined,
        excerpt: p.excerpt ?? undefined,

        body: (p.body ?? undefined) as any,
        status: 'published',
        ...(heroId ? { hero: heroId } : {}),
      },
      overrideAccess: true,
    })
    console.log(`+ imported: ${p.title}${heroId ? ' (with hero)' : ''}`)
    created++
  }

  // Remove seed placeholders
  let deleted = 0
  for (const title of SEED_TITLES) {
    const r = await payload.delete({
      collection: 'blog-posts',
      where: { title: { equals: title } },
      overrideAccess: true,
    })
    const count = Array.isArray(r.docs) ? r.docs.length : 0
    if (count > 0) {
      console.log(`- removed seed: ${title}`)
      deleted += count
    }
  }

  console.log(`\nDone. Imported: ${created}, skipped: ${skipped}, seed removed: ${deleted}`)
  process.exit(0)
}

run().catch((err) => {
  console.error(err)
  process.exit(1)
})