#!/usr/bin/env node

const { execSync } = require("child_process");
const fs = require("fs");
const path = require("path");

const isWin = process.platform === "win32";
const projectName = "saju-web";
const projectRoot = path.resolve(__dirname, "..");

// SSH 설정
const sshTarget = process.env.NAS_SSH_TARGET || "bgg8988@192.168.45.54";
const sshPath = process.env.NAS_SSH_PATH || `/volume1/docker/webpage/${projectName}`;
const sshPort = process.env.NAS_SSH_PORT || "2300";

console.log("🚀 Saju Web NAS Deployment (SCP Mode)");
console.log("=====================================");
console.log(`Target: ${sshTarget}:${sshPath}`);
console.log("");

try {
  const sshCmd = sshPort ? `ssh -p ${sshPort}` : "ssh";
  const scpCmd = sshPort ? `scp -P ${sshPort}` : "scp";

  // 1. NAS에 디렉토리 생성
  console.log("📦 Step 1: Preparing NAS directory...");
  execSync(`${sshCmd} ${sshTarget} "mkdir -p ${sshPath}"`, {
    stdio: "inherit",
  });
  console.log("✅ Directory ready");
  console.log("");

  // 2. 파일 전송 (tar + ssh pipe)
  console.log("📤 Step 2: Transferring files to NAS...");
  const excludeArgs = [
    "--exclude=node_modules",
    "--exclude=.next",
    "--exclude=.git",
    "--exclude=dist",
    "--exclude=out",
    "--exclude=.env.local",
    "--exclude=*.log",
    "--exclude=saju-web-deploy.tar.gz",
  ].join(" ");

  // tar로 압축하면서 동시에 ssh로 전송
  const transferCmd = `tar -czf - ${excludeArgs} . | ${sshCmd} ${sshTarget} "cd ${sshPath} && tar -xzf -"`;
  console.log("Transferring files (this may take a moment)...");

  execSync(transferCmd, {
    cwd: projectRoot,
    stdio: "inherit",
    shell: true,
  });
  console.log("✅ Files transferred");
  console.log("");

  // 3. NAS에서 배포
  console.log("📝 Step 3: Deploying on NAS...");

  // Docker 명령어 경로 (Synology NAS)
  // 기본값: sudo 없이 실행
  const dockerCmd = process.env.NAS_USE_SUDO === "true"
    ? "sudo /usr/local/bin/docker"
    : "/usr/local/bin/docker";

  // 환경 변수 설정
  console.log("   - Setting up environment...");
  execSync(`${sshCmd} ${sshTarget} "cd ${sshPath} && if [ -f .env.nas ]; then cp -f .env.nas .env; fi"`, {
    stdio: "inherit",
  });

  // Docker 빌드 및 배포
  console.log("   - Building Docker container...");
  execSync(`${sshCmd} ${sshTarget} "cd /volume1/docker/webpage && ${dockerCmd} compose build ${projectName}"`, {
    stdio: "inherit",
  });

  console.log("   - Starting container...");
  execSync(`${sshCmd} ${sshTarget} "cd /volume1/docker/webpage && ${dockerCmd} compose up -d ${projectName}"`, {
    stdio: "inherit",
  });

  console.log("✅ Deployment complete");
  console.log("");

  // 5. 헬스체크
  console.log("🏥 Step 4: Health check...");
  setTimeout(() => {
    try {
      const healthCmd = `${sshCmd} ${sshTarget} "docker exec ${projectName} wget -q -O- http://localhost:3000/api/health"`;
      const health = execSync(healthCmd, { encoding: "utf-8" });
      console.log("Health check response:", health);
      console.log("✅ Service is healthy");
    } catch (err) {
      console.warn("⚠️  Health check failed (service may still be starting)");
    }
    console.log("");
    console.log("🎉 Deployment completed!");
    console.log("=====================================");
    console.log(`🌐 Access: http://gahusb.synology.me/saju`);
    console.log("");
  }, 3000);
} catch (err) {
  console.error("❌ Deployment failed:", err.message);

  // 에러 발생 시 임시 파일 정리
  const archivePath = path.join(projectRoot, "saju-web-deploy.tar.gz");
  if (fs.existsSync(archivePath)) {
    fs.unlinkSync(archivePath);
  }

  process.exit(1);
}