#!/usr/bin/env node

import fs from 'fs';
import os from 'os';
import path from 'path';
import { execFileSync } from 'child_process';
import readline from 'readline';

const AUTHORIZATION = 'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJzdWIiOiIyMiJ9.2XLrkX3Fryw4c1Mn3Peqsp8JOMMOu25GP7yxl0gsIG4w9JjfUzlsharGdm8PDusK1fvwMRs5rc1p6LJe0cSg4w';
const BASE_URL      = 'https://bops.felo.ai';

const IMAGE_EXTS = new Set(['.jpg', '.jpeg', '.png', '.gif', '.bmp', '.tiff', '.webp', '.avif']);

// ── 交互输入 ─────────────────────────────────────────────────

function prompt(question) {
  const rl = readline.createInterface({ input: process.stdin, output: process.stdout });
  return new Promise((resolve) => {
    rl.question(question, (answer) => {
      rl.close();
      resolve(answer.trim());
    });
  });
}

// ── ffmpeg 转换 ──────────────────────────────────────────────

function convertToWebp(inputPath) {
  const tmpFile = path.join(os.tmpdir(), `case_upload_${Date.now()}_${Math.random().toString(36).slice(2)}.webp`);
  execFileSync('cwebp', ['-q', '80', '-resize', '800', '0', inputPath, '-o', tmpFile], { stdio: 'pipe' });
  return tmpFile;
}

// ── 上传图片 ─────────────────────────────────────────────────

async function uploadFile(filePath) {
  const formData = new FormData();
  const fileData = fs.readFileSync(filePath);
  const blob = new Blob([fileData], { type: 'image/webp' });
  formData.append('file', blob, path.basename(filePath));

  const res = await fetch(`${BASE_URL}/api/home/case/upload`, {
    method: 'POST',
    headers: { 'Authorization': AUTHORIZATION },
    body: formData,
  });
  const body = await res.json();
  return { status: res.status, body };
}

// ── 创建案例 ─────────────────────────────────────────────────

async function createCase(caseTypeId, imageUrl, name, sort) {
  const res = await fetch(`${BASE_URL}/api/home/case/create`, {
    method: 'POST',
    headers: {
      'Authorization': AUTHORIZATION,
      'Content-Type': 'application/json',
    },
    body: JSON.stringify({
      case_type_id: caseTypeId,
      image_url: imageUrl,
      name,
      sort: 0,
    }),
  });
  const body = await res.json();
  return { status: res.status, body };
}

// ── 主流程 ───────────────────────────────────────────────────

async function main() {
  const caseTypeId = await prompt('请输入分类 ID (case_type_id): ');
  const input = await prompt('请输入图片目录路径: ');
  const absDir = path.resolve(input);

  if (!fs.existsSync(absDir)) {
    console.error(`目录不存在: ${absDir}`);
    process.exit(1);
  }

  const files = fs.readdirSync(absDir)
    .filter((f) => IMAGE_EXTS.has(path.extname(f).toLowerCase()))
    .sort();

  if (files.length === 0) {
    console.error('目录中未找到图片文件');
    process.exit(1);
  }

  console.log(`找到 ${files.length} 张图片，开始处理...\n`);

  const tmpFiles = [];

  for (let i = 0; i < files.length; i++) {
    const file = files[i];
    const inputPath = path.join(absDir, file);
    console.log(`[${i + 1}/${files.length}] ${file}`);

    // 1. 转换 WebP
    let tmpPath;
    try {
      process.stdout.write('  → ffmpeg 转换... ');
      tmpPath = convertToWebp(inputPath);
      tmpFiles.push(tmpPath);
      console.log('✓');
    } catch (err) {
      console.log(`✗ 转换失败: ${err.message}`);
      continue;
    }

    // 2. 上传
    let imageUrl;
    try {
      process.stdout.write('  → 上传图片... ');
      const uploadRes = await uploadFile(tmpPath);
      console.log(`✓ HTTP ${uploadRes.status}`);
      console.log('  upload res.data:', JSON.stringify(uploadRes.body, null, 2));

      const body = uploadRes.body;
      imageUrl = body?.data?.url ?? body?.data ?? body?.url ?? null;
      if (!imageUrl) {
        console.log('  ⚠ 无法自动提取 image_url，请确认上方打印的字段结构后修改脚本');
        continue;
      }
    } catch (err) {
      console.log(`✗ 上传失败: ${err.message}`);
      continue;
    }

    // 3. 创建案例
    try {
      process.stdout.write(`  → 创建案例 (sort=${i + 1})... `);
      const createRes = await createCase(caseTypeId, imageUrl, path.basename(file, path.extname(file)), i + 1);
      if (createRes.status >= 200 && createRes.status < 300) {
        console.log(`✓ HTTP ${createRes.status}`);
      } else {
        console.log(`✗ HTTP ${createRes.status}: ${JSON.stringify(createRes.body)}`);
      }
    } catch (err) {
      console.log(`✗ 创建失败: ${err.message}`);
    }

    console.log();
  }

  for (const f of tmpFiles) {
    try { fs.unlinkSync(f); } catch {}
  }

  console.log('完成。');
}

main();