cd.yml

# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by
# separate terms of service, privacy policy, and support
# documentation.
# This workflow will build a package using Gradle and then publish it to GitHub packages when a release is created
# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#Publishing-using-gradle

name: CD

on:
  workflow_dispatch:
  pull_request:
    types: [ closed ]
    branches: [ 'main' ]
    paths:
      - 'backend/**'

jobs:
  BE_CD:
    if: ${{ github.event.pull_request.merged == true }}
    runs-on: self-hosted
    permissions:
      contents: read
      packages: write
      actions: write

    outputs:
      build: ${{ steps.build_result.outputs.result }}
      deploy: ${{ steps.deploy_result.outputs.result }}

    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-java@v4
        with:
          distribution: 'corretto'
          java-version: '21'
          server-id: github # Value of the distributionManagement/repository/id field of the pom.xml
          settings-path: ${{ github.workspace }} # location for the settings.xml file

      - name: Setup Gradle
        run: chmod +x ./backend/gradlew

      - name: Build with Gradle
        continue-on-error: true
        id: build
        run: |
          cd backend
          ./gradlew build

      - name: Save Build Result
        continue-on-error: true
        id: build_result
        run: |
          echo "result=${{steps.build.outcome}}" >> $GITHUB_OUTPUT

      - name: Stop server
        continue-on-error: true
        id: stop_server
        run: |
          PID=$(sudo lsof -t -i:80 || true)
          if [ -n "$PID" ]; then
            sudo kill -15 "$PID"
            echo "Server has been stopped. PID: $PID"
          else
            echo "No server is running."
          fi

      - name: Deploy
        continue-on-error: true
        id: deploy
        run: |
          JAR_NAME="develup-0.0.1-SNAPSHOT"
          JAR_FILE=$(sudo find -name "$JAR_NAME.jar" -print -quit)
          if [ -n "$JAR_FILE" ]; then
            sudo nohup java -jar /home/ubuntu/"$JAR_NAME".jar --server.port=80 &
            echo "Deployed $JAR_NAME"
          else
            echo "No JAR file found to deploy."
          fi

      - name: Save Deploy Result
        continue-on-error: true
        id: deploy_result
        run: |
          echo "result=${{steps.deploy.outcome}}" >> $GITHUB_OUTPUT

  BE_SLACK_MESSAGE:
    runs-on: ubuntu-latest
    needs: [ BE_CD ]
    steps:
      - name: Slack mention when build success
        if: ${{needs.BE_CD.outputs.build == 'success' && needs.BE_CD.outputs.deploy == 'success'}}
        uses: slackapi/slack-github-action@v1.24.0
        with:
          channel-id: ${{ secrets.ISSUE_CHANNEL }}
          payload: |
            {
                "text": "pr 머지",
                "blocks": [
                  {
                      "type": "section",
                      "text": {
                        "type": "mrkdwn",
                        "text": "<!channel>  pr이 main에 머지되었습니다. 배포가 성공했습니다! \n • PR 링크: <${{ github.event.pull_request.html_url }}|${{ github.event.pull_request.title }}>"
                      }
                  }
                ]
            }
        env:
          SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}

      - name: Slack mention when build fail
        if: ${{needs.BE_CD.outputs.build == 'failure' && needs.BE_CD.outputs.deploy == 'failure'}}
        uses: slackapi/slack-github-action@v1.24.0
        with:
          channel-id: ${{ secrets.ISSUE_CHANNEL }}
          payload: |
            {
                "text": "pr 머지",
                "blocks": [
                  {
                      "type": "section",
                      "text": {
                        "type": "mrkdwn",
                        "text": "<!channel>  pr이 main에 머지되었습니다. 🚨그러나 빌드가 실패합니다!!!🚨 \n • PR 링크: <${{ github.event.pull_request.html_url }}|${{ github.event.pull_request.title }}>"
                      }
                  }
                ]
            }
        env:
          SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}

      - name: Slack mention when build fail
        if: ${{needs.BE_CD.outputs.build == 'success' && needs.BE_CD.outputs.deploy == 'failure'}}
        uses: slackapi/slack-github-action@v1.24.0
        with:
          channel-id: ${{ secrets.ISSUE_CHANNEL }}
          payload: |
            {
                "text": "pr 머지",
                "blocks": [
                  {
                      "type": "section",
                      "text": {
                        "type": "mrkdwn",
                        "text": "<!channel> pr이 main에 머지되었습니다. ⚠️그러나 배포에 실패했습니다!⚠️ \n • PR 링크: <${{ github.event.pull_request.html_url }}|${{ github.event.pull_request.title }}>"
                      }
                  }
                ]
            }
        env:
          SLACK_BOT_TOKEN: ${{ secrets.BOT_TOKEN }}