import fs from 'node:fs';
import os from 'node:os';
import path from 'node:path';
import { spawnSync } from 'node:child_process';
import manifest from '../skill-package-manifest.json' with { type: 'json' };

const packageRoot = path.resolve(import.meta.dirname, '..');
const workspace = fs.mkdtempSync(path.join(os.tmpdir(), 'fmode-image-set-installer-'));
fs.writeFileSync(path.join(workspace, '.mcp.json'), JSON.stringify({ mcpServers: { existing: { command: 'keep-me' } } }, null, 2));
try {
  const result = spawnSync(process.execPath, [path.join(packageRoot, 'bin', 'fmode-image-set.js'), 'workspace', '--skip-install', '--force'], { cwd: workspace, encoding: 'utf8' });
  if (result.status !== 0) throw new Error(result.error?.message || result.stderr || result.stdout || `workspace install failed (status=${result.status}, signal=${result.signal})`);
  const installed = path.join(workspace, '.claude', 'plugins', 'fmode-image-set');
  if (!fs.existsSync(path.join(installed, 'mcp', 'src', 'server.mjs'))) throw new Error('MCP server not installed');
  for (const skill of manifest.skills) if (!fs.existsSync(path.join(workspace, '.claude', 'skills', skill, 'SKILL.md'))) throw new Error(`Skill not exposed: ${skill}`);
  const mcp = JSON.parse(fs.readFileSync(path.join(workspace, '.mcp.json'), 'utf8'));
  if (!mcp.mcpServers.existing || !mcp.mcpServers['fmode-image-set']) throw new Error('.mcp.json merge failed');
  if (!path.isAbsolute(mcp.mcpServers['fmode-image-set'].cwd) || !fs.existsSync(mcp.mcpServers['fmode-image-set'].args[0])) throw new Error('MCP paths are invalid');
  if (mcp.mcpServers['fmode-image-set'].env?.FMODE_WORKSPACE_ROOT !== workspace) throw new Error('Workspace root env was not injected');
  for (const forbidden of ['node_modules', '.env', 'outputs', '输出']) if (fs.existsSync(path.join(installed, forbidden))) throw new Error(`Forbidden copy: ${forbidden}`);
  for (const legacy of ['qwen-vision.mjs', 'jimeng.mjs']) {
    if (fs.existsSync(path.join(installed, 'mcp', 'src', 'providers', legacy))) throw new Error(`Legacy provider remained installed: ${legacy}`);
  }
  console.log(JSON.stringify({ status: 'ok', installed, skills: manifest.skills.length }, null, 2));
} finally {
  fs.rmSync(workspace, { recursive: true, force: true });
}