name: Bot Bump Kernel Version to SGLang

on:
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  bump-kernel-version-to-sglang:
    runs-on: ubuntu-latest
    outputs:
      branch_name: ${{ steps.set_output.outputs.branch_name }}
      needs_sync: ${{ steps.check_sync.outputs.needs_sync }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install Python dependencies
        run: |
          pip install tomli

      - name: Check if sync is needed
        id: check_sync
        run: |
          python scripts/release/check_kernel_version_to_sglang.py

      - name: Configure Git and branch
        if: steps.check_sync.outputs.needs_sync == 'true'
        id: set_output
        run: |
          git config user.name "sglang-bot"
          git config user.email "sglang-bot@users.noreply.github.com"
          RANDOM_SUFFIX=$(echo $RANDOM | md5sum | head -c 4)
          KERNEL_VERSION="${{ steps.check_sync.outputs.kernel_version }}"
          BRANCH_NAME="bot/bump-kernel-version-to-sglang-${KERNEL_VERSION}-${RANDOM_SUFFIX}"
          git checkout -b "$BRANCH_NAME"
          echo "BRANCH_NAME=$BRANCH_NAME" >> $GITHUB_ENV
          echo "KERNEL_VERSION=$KERNEL_VERSION" >> $GITHUB_ENV
          echo "branch_name=$BRANCH_NAME" >> $GITHUB_OUTPUT

      - name: Run kernel version bump script
        if: steps.check_sync.outputs.needs_sync == 'true'
        run: |
          python scripts/release/bump_kernel_version_to_sglang.py

      - name: Commit and create PR
        if: steps.check_sync.outputs.needs_sync == 'true'
        env:
          GH_TOKEN: ${{ secrets.GH_PAT_FOR_PULL_REQUEST }}
        run: |
          bash scripts/release/commit_and_pr_kernel_to_sglang.sh "$KERNEL_VERSION" "$BRANCH_NAME"