update-jar.yml

name: update-jar-and-release

on:
  schedule:
    - cron: '0 5 * * *'  # Run daily at 5 AM UTC
  workflow_dispatch:  # Allow manual triggers

jobs:
  check-and-update-jar:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
        with:
          fetch-depth: 0  # Fetch all history for all tags and branches
      
      - name: Check for existing JAR and get current version
        id: current-jar
        run: |
          mkdir -p jdiscordmusicbot
          current_jar=$(ls jdiscordmusicbot/JMusicBot-*.jar 2>/dev/null | sort -V | tail -n 1 || echo "")
          if [ -z "$current_jar" ]; then
            echo "No existing JAR found."
            echo "current_version=0.0.0" >> $GITHUB_OUTPUT
          else
            current_version=$(echo "$current_jar" | sed -n 's/.*JMusicBot-\(.*\)\.jar/\1/p')
            echo "Current JAR version: $current_version"
            echo "current_version=$current_version" >> $GITHUB_OUTPUT
          fi

      - name: Check for new MusicBot release
        id: check-release
        run: |
          latest_release=$(curl -s https://api.github.com/repos/jagrosh/MusicBot/releases/latest | jq -r .tag_name)
          echo "Latest release: $latest_release"
          echo "new_version=$latest_release" >> $GITHUB_OUTPUT

      - name: Update JAR file
        id: update-jar
        run: |
          current_version="${{ steps.current-jar.outputs.current_version }}"
          latest_version="${{ steps.check-release.outputs.new_version }}"
          
          if [ "$latest_version" != "$current_version" ]; then
            echo "New version available: $latest_version"
            wget https://github.com/jagrosh/MusicBot/releases/download/$latest_version/JMusicBot-$latest_version.jar -O jdiscordmusicbot/JMusicBot-$latest_version.jar
            git config user.name github-actions
            git config user.email github-actions@github.com
            git add jdiscordmusicbot/JMusicBot-$latest_version.jar
            git commit -m "Add JMusicBot version $latest_version"
            git push
            echo "updated=true" >> $GITHUB_OUTPUT
            echo "new_version=$latest_version" >> $GITHUB_OUTPUT
          else
            echo "No new version available. Current version is up to date."
            echo "updated=false" >> $GITHUB_OUTPUT
          fi

      - name: Update variables.tf
        if: steps.update-jar.outputs.updated == 'true'
        run: |
          if [ -f variables.tf ]; then
            if grep -q "default\s*=\s*\"JMusicBot-${{ steps.check-release.outputs.new_version }}.jar\"" variables.tf; then
              echo "variables.tf already contains the latest version. No update needed."
            else
              sed -i 's/default\s*=\s*"JMusicBot-.*\.jar"/default = "JMusicBot-${{ steps.check-release.outputs.new_version }}.jar"/' variables.tf
              git config user.name github-actions
              git config user.email github-actions@github.com
              git add variables.tf
              git commit -m "Update default JAR version in variables.tf"
              git push
              echo "variables.tf updated successfully."
            fi
          else
            echo "variables.tf not found. Skipping update."
          fi

      - name: Exit if no new release found
        if: steps.update-jar.outputs.updated == 'false'
        run: |
          echo "No new JMusicBot version found. Exiting workflow."
          exit 0

      - name: Get latest release version
        id: get_latest_release
        run: |
          latest_release=$(curl -s https://api.github.com/repos/${{ github.repository }}/releases/latest | jq -r .tag_name || echo "v0.0.0")
          latest_release=${latest_release#v}  # Remove 'v' prefix if present
          IFS='.' read -r -a version_parts <<< "$latest_release"
          new_patch=$((version_parts[2] + 1))
          new_version="${version_parts[0]}.${version_parts[1]}.$new_patch"
          echo "new_version=$new_version" >> $GITHUB_OUTPUT

      - name: Create Release
        if: steps.update-jar.outputs.updated == 'true'
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: v${{ steps.get_latest_release.outputs.new_version }}
          release_name: Release ${{ steps.get_latest_release.outputs.new_version }}
          body: |
            Updated to JMusicBot version ${{ steps.check-release.outputs.new_version }}
          draft: false
          prerelease: false