import sharp from 'sharp'
import { readdir, mkdir, unlink } from 'node:fs/promises'
import { join, dirname } from 'node:path'
import { fileURLToPath } from 'node:url'

const __dirname = dirname(fileURLToPath(import.meta.url))
const projectRoot = join(__dirname, '..')
const sourceDir = join(projectRoot, 'src/static/poi/photos')
const outputDir = sourceDir // 处理后直接覆盖到同目录（原文件先删除）

// 中文名 → POI ID 映射（全部30个景点）
const NAME_TO_POI_ID = {
  // 文化场馆（已处理，保留映射以便确认）
  '文化艺术中心': 'poi_gm_culture_center',
  '光明区图书馆': 'poi_amap_b0hbtu4bfr',
  '光明区文化馆': 'poi_amap_b0ffk306gx',
  '少年儿童图书馆': 'poi_amap_b02f38meio',
  '深圳国际美术馆': 'poi_amap_b0jun773j3',
  '城市规划馆': 'poi_amap_b0jbbzx4oo',
  '茅洲河图书馆': 'poi_amap_b0k025w32e',
  // 公园湿地
  '虹桥公园': 'poi_hongqiao_park',
  '红花山公园': 'poi_honghuashan_park',
  '科学公园': 'poi_amap_b0j2jc4n0w',
  '鹅颈水湿地公园': 'poi_amap_b0ffmdhve1',
  '明湖公园': 'poi_amap_b0fffwu1l5',
  '光明新城公园': 'poi_amap_b0ffhfbsje',
  '开明公园': 'poi_amap_b0ffjf1b20',
  '左岸科技公园': 'poi_amap_b0g0kzrt5s',
  '西田公园': 'poi_amap_b02f30abgs',
  '大雁山森林公园': 'poi_amap_b0jgbp18uf',
  '楼村湿地公园': 'poi_amap_b0grac6nzz',
  '大顶岭山林公园': 'poi_amap_b02f309r88',
  // 田园休闲
  '光明农场大观园': 'poi_farm_grand_view',
  '华侨城光明欢乐田园': 'poi_happy_pastoral',
  '双晖稻田农场': 'poi_amap_b0ffkkmzsc',
  // 人文地标
  '弘源寺': 'poi_amap_b02f38nj9k',
  '陈仙姑祠': 'poi_amap_b0ffgthbcf',
  '黄氏大宗祠': 'poi_amap_b0fffttiov',
  '玉律醒狮文化馆': 'poi_amap_b0kb4cxaby',
  // 绿道户外
  '大顶岭绿道': 'poi_dadingling_greenway',
  '光明湖碧道': 'poi_amap_b0ldbsbeea',
  '茅洲河碧道': 'poi_amap_b0kup558j4',
  '五指耙森林公园': 'poi_amap_b0jb2aurvw',
}

const TARGET_WIDTH = 800
const TARGET_HEIGHT = 600
const JPEG_QUALITY = 80

async function process() {
  const files = await readdir(sourceDir)
  const jpgFiles = files.filter(f => f.endsWith('.jpg') || f.endsWith('.jpeg') || f.endsWith('.png'))

  console.log(`Found ${jpgFiles.length} source images\n`)

  for (const file of jpgFiles) {
    const nameWithoutExt = file.replace(/\.(jpg|jpeg|png)$/i, '')
    const poiId = NAME_TO_POI_ID[nameWithoutExt]

    if (!poiId) {
      console.log(`SKIP: "${file}" — no matching POI ID found`)
      continue
    }

    const inputPath = join(sourceDir, file)
    const outputName = `${poiId}.jpg`
    const outputPath = join(outputDir, outputName)

    console.log(`Processing: ${file} → ${outputName}`)

    try {
      await sharp(inputPath)
        .rotate() // 根据 EXIF 自动旋转
        .resize(TARGET_WIDTH, TARGET_HEIGHT, {
          fit: 'cover',
          position: 'attention', // 智能裁剪，尽量保留重要区域
        })
        .jpeg({
          quality: JPEG_QUALITY,
          mozjpeg: true,
          chromaSubsampling: '4:2:0',
        })
        .toFile(outputPath)

      // 删除原始中文名文件
      if (file !== outputName) {
        await unlink(inputPath)
      }

      console.log(`  ✓ Done`)
    } catch (err) {
      console.error(`  ✗ Failed: ${err.message}`)
    }
  }

  console.log('\nDone! Listing output directory:')
  const outputFiles = await readdir(outputDir)
  for (const f of outputFiles.filter(f => f.endsWith('.jpg')).sort()) {
    console.log(`  ${f}`)
  }
}

process().catch(console.error)