#!/usr/bin/env tsx
import('dotenv/config')
import('payload').then(async ({getPayload})=>{
  const cfg = await import('../../src/payload.config.ts')
  const p = await getPayload({config: cfg.default})

  console.log('Loading media...')
  const media = await p.find({collection:'media', limit:100, depth:0})

  const filenameToId = new Map<string, string>()
  media.docs.forEach((m: any) => {
    filenameToId.set(m.filename, m.id)
  })

  console.log(`Found ${filenameToId.size} media files`)

  const { parseWebflowCSV } = await import('./csvParser.ts')
  const { transformPosts } = await import('./transformers.ts')
  const data = await parseWebflowCSV('/Users/pukpuk/Dev/website-enchun-mgr/恩群數位行銷 - 行銷放大鏡集.csv')

  const posts = await p.find({collection:'posts', limit:100, depth:0})
  const postsBySlug = new Map<string, any>()
  posts.docs.forEach((post: any) => {
    postsBySlug.set(post.slug, post)
  })

  console.log('\nMatching hero images...\n')

  let matched = 0
  let updated = 0
  let notFound = 0

  for (const webflowPost of data.posts) {
    const featuredImage = webflowPost.featuredImage
    if (!featuredImage) continue

    const urlParts = featuredImage.split('/')
    const webflowFilename = urlParts[urlParts.length - 1]

    let mediaId: string | null = null

    for (const [filename, id] of filenameToId.entries()) {
      // Match by checking if both contain the same hash (first 15 chars)
      const webflowHash = webflowFilename.split('.')[0].substring(0, 15)
      const payloadHash = filename.split('.')[0].substring(0, 15)
      if (filename.includes(webflowHash) || webflowFilename.includes(payloadHash)) {
        mediaId = id
        matched++
        break
      }
    }

    if (!mediaId) {
      notFound++
      console.log(`No match: ${webflowPost.title?.substring(0, 40)}`)
      console.log(`  URL: ${webflowFilename.substring(0, 80)}`)
      continue
    }

    const transformed = transformPosts([webflowPost])[0]
    const post = postsBySlug.get(transformed.slug)

    if (post && !post.heroImage) {
      await p.update({
        collection:'posts',
        id: post.id,
        data:{ heroImage: mediaId }
      })
      updated++
      console.log(`Updated: ${webflowPost.title?.substring(0, 40)}`)
    }
  }

  console.log('\n=== SUMMARY ===')
  console.log(`Matched: ${matched}`)
  console.log(`Updated: ${updated}`)
  console.log(`Not found: ${notFound}`)
}).catch(e=>console.error('Error:', e))