name: Release

on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      release_type:
        description: "Release type"
        required: true
        default: "auto"
        type: choice
        options:
          - auto
          - patch
          - minor
          - major

env:
  NODE_VERSION: "18"

jobs:
  # 기존 CI 체크들
  quality-checks:
    name: Quality Checks
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Type check
        run: npm run type-check

      - name: Lint
        run: npm run lint

      - name: Test
        run: npm run test:run

  # 빌드 검증
  build-verification:
    name: Build Verification
    runs-on: ubuntu-latest
    needs: quality-checks

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Build web
        run: npm run build

      - name: Build mobile (sync only)
        run: npm run mobile:sync

  # Linear 이슈 검증
  linear-validation:
    name: Linear Issue Validation
    runs-on: ubuntu-latest
    needs: quality-checks
    if: github.event_name == 'push'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Validate Linear issues in commits
        run: |
          echo "🔍 Checking for Linear issues in recent commits..."

          # 마지막 릴리즈 이후 커밋들에서 Linear 이슈 추출
          COMMITS=$(git log --pretty=format:"%H %s" --since="7 days ago")
          LINEAR_ISSUES=$(echo "$COMMITS" | grep -oE 'ZEL-[0-9]+' | sort -u || true)

          if [[ -n "$LINEAR_ISSUES" ]]; then
            echo "✅ Found Linear issues:"
            echo "$LINEAR_ISSUES" | sed 's/^/  - /'
            
            # 환경 변수로 설정하여 릴리즈에서 사용
            echo "LINEAR_ISSUES_FOUND=true" >> $GITHUB_ENV
            echo "LINEAR_ISSUE_COUNT=$(echo "$LINEAR_ISSUES" | wc -l)" >> $GITHUB_ENV
          else
            echo "ℹ️ No Linear issues found in recent commits"
            echo "LINEAR_ISSUES_FOUND=false" >> $GITHUB_ENV
            echo "LINEAR_ISSUE_COUNT=0" >> $GITHUB_ENV
          fi

  # Semantic Release
  release:
    name: Semantic Release
    runs-on: ubuntu-latest
    needs: [quality-checks, build-verification]
    if: github.ref == 'refs/heads/main'

    outputs:
      new-release-published: ${{ steps.semantic-release.outputs.new-release-published }}
      new-release-version: ${{ steps.semantic-release.outputs.new-release-version }}
      new-release-notes: ${{ steps.semantic-release.outputs.new-release-notes }}

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Configure Git
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "github-actions[bot]@users.noreply.github.com"

      - name: Semantic Release
        id: semantic-release
        run: npx semantic-release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          LINEAR_API_KEY: ${{ secrets.LINEAR_API_KEY }}

      - name: Release Summary
        if: steps.semantic-release.outputs.new-release-published == 'true'
        run: |
          echo "🎉 새로운 릴리즈가 생성되었습니다!"
          echo "Version: v${{ steps.semantic-release.outputs.new-release-version }}"
          echo "Release notes: ${{ github.server_url }}/${{ github.repository }}/releases/tag/v${{ steps.semantic-release.outputs.new-release-version }}"

  # 릴리즈 후 Linear 동기화
  post-release-linear:
    name: Post-Release Linear Sync
    runs-on: ubuntu-latest
    needs: release
    if: needs.release.outputs.new-release-published == 'true'

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Linear Release Notification
        run: |
          echo "🔗 Updating Linear issues for release v${{ needs.release.outputs.new-release-version }}"

          # Linear 이슈들에 릴리즈 완료 알림 (이미 semantic-release에서 처리됨)
          echo "✅ Linear integration completed via semantic-release"
        env:
          LINEAR_API_KEY: ${{ secrets.LINEAR_API_KEY }}

  # 배포 알림
  deployment-notification:
    name: Deployment Notification
    runs-on: ubuntu-latest
    needs: [release, post-release-linear]
    if: needs.release.outputs.new-release-published == 'true'

    steps:
      - name: Deployment Success Notification
        run: |
          echo "🚀 릴리즈 v${{ needs.release.outputs.new-release-version }} 배포 완료"
          echo ""
          echo "배포된 내용:"
          echo "- 웹 애플리케이션: Vercel에 자동 배포"
          echo "- 모바일 앱: 스토어 배포 대기 중"
          echo "- Linear 이슈: 릴리즈 완료 알림 전송"
          echo ""
          echo "다음 단계:"
          echo "1. 프로덕션 환경 동작 확인"
          echo "2. Linear 이슈 상태 확인"
          echo "3. 사용자 피드백 모니터링"

  # 릴리즈 실패 시 롤백 준비
  rollback-preparation:
    name: Rollback Preparation
    runs-on: ubuntu-latest
    needs: release
    if: failure() && github.ref == 'refs/heads/main'

    steps:
      - name: Rollback Information
        run: |
          echo "❌ 릴리즈 프로세스에서 오류가 발생했습니다."
          echo ""
          echo "확인 사항:"
          echo "1. Quality checks 통과 여부"
          echo "2. Build verification 성공 여부"  
          echo "3. Linear API 연결 상태"
          echo "4. GitHub token 권한"
          echo ""
          echo "복구 방법:"
          echo "1. 로그에서 정확한 오류 원인 파악"
          echo "2. 필요시 이전 릴리즈로 수동 롤백"
          echo "3. 문제 해결 후 재배포"