name: Update parsers

on:
  schedule:
    - cron: "30 6 * * 6"
  workflow_dispatch:

env:
  BIN_DIR: ${{ github.workspace }}/bin

jobs:
  update-parsers:
    strategy:
      fail-fast: false
      matrix:
        tier: [1, 2]
    name: Update parsers tier ${{ matrix.tier }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
        with:
          ref: main

      - uses: actions/create-github-app-token@v2
        id: app-token
        with:
          app-id: ${{ vars.TOKEN_ID }}
          private-key: ${{ secrets.TOKEN_PRIVATE_KEY }}

      - name: Add $BIN_DIR to PATH
        run: echo "$BIN_DIR" >> $GITHUB_PATH

      - name: Prepare
        env:
          NVIM_TAG: nightly
        run: |
          bash scripts/ci-install.sh
          wget --directory-prefix="$BIN_DIR" https://github.com/JohnnyMorganz/StyLua/releases/latest/download/stylua-linux-x86_64.zip
          (cd "$BIN_DIR"; unzip stylua*.zip)

      - name: Update parsers
        run: ./scripts/update-parsers.lua --tier=${{ matrix.tier }}

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v8
        with:
          add-paths: lua/nvim-treesitter/parsers.lua
          token: ${{ steps.app-token.outputs.token }}
          sign-commits: true
          commit-message: "bot(parsers): update ${{ env.UPDATED_PARSERS }}"
          title: "Update parsers (tier ${{ matrix.tier }}): ${{ env.UPDATED_PARSERS }}"
          body: "[beep boop](https://github.com/peter-evans/create-pull-request)"
          branch: update-parsers-tier-${{ matrix.tier }}
          base: ${{ github.head_ref }}

      - name: Enable Pull Request Automerge
        if: ${{ matrix.tier == 2 }}
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
        run: gh pr merge --rebase --auto update-parsers-tier-2