bump-codec-java-version.yml

name: Bump codec-java Version

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Release version (e.g., 0.1.0 for minor, 0.1.1 for patch)'
        required: true
        type: string

jobs:
  bump:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Validate version format
        env:
          VERSION: ${{ inputs.version }}
        run: |
          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "::error::Invalid version format: $VERSION. Expected: X.Y.Z"
            exit 1
          fi

      - name: Determine target branch
        env:
          VERSION: ${{ inputs.version }}
        run: |
          patch=${VERSION##*.}
          minor_prefix=${VERSION%.*}
          if [[ "$patch" == "0" ]]; then
            target_branch=main
          else
            target_branch="codec-java/${minor_prefix}.x"
          fi
          echo "target_branch=$target_branch" >> $GITHUB_ENV
          echo "minor_prefix=$minor_prefix" >> $GITHUB_ENV

      - uses: actions/checkout@v4
        with:
          ref: ${{ env.target_branch }}

      - name: Check current version matches target branch
        env:
          VERSION: ${{ inputs.version }}
        run: |
          current=$(grep '^version = ' codec-java/build.gradle.kts | head -1 | cut -d'"' -f2)
          if [[ "$current" != *-SNAPSHOT ]]; then
            echo "::error::Current codec-java version ($current) on ${{ env.target_branch }} is not a SNAPSHOT"
            exit 1
          fi
          if [[ "$current" != ${{ env.minor_prefix }}.*-SNAPSHOT ]]; then
            echo "::error::Version $VERSION does not match branch ${{ env.target_branch }} (current: $current)"
            exit 1
          fi
          echo "current_version=$current" >> $GITHUB_ENV

      - name: Update codec-java/build.gradle.kts
        env:
          VERSION: ${{ inputs.version }}
        run: |
          sed -i "s/^version = \".*\"/version = \"$VERSION\"/" codec-java/build.gradle.kts

      - name: Create pull request
        uses: peter-evans/create-pull-request@v7
        with:
          base: ${{ env.target_branch }}
          branch: release/codec-java/v${{ inputs.version }}
          commit-message: "Bump codec-java version to ${{ inputs.version }}"
          title: "Bump codec-java version to ${{ inputs.version }}"
          body: |
            Bump codec-java version from `${{ env.current_version }}` to `${{ inputs.version }}`.
            Target: `${{ env.target_branch }}`

            After merging, the following will happen automatically:
            - Tag `codec-java/v${{ inputs.version }}` will be created
            - Version will be bumped to the next SNAPSHOT
          labels: release