name: Update vendor

on:
  schedule:
    - cron: "0 4 * * 0"
  workflow_dispatch:

jobs:
  check-update:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    strategy:
      matrix:
        package:
          - elysia

    steps:
      - uses: actions/checkout@v4
      - uses: oven-sh/setup-bun@v2

      - name: Check version
        id: check-version
        run: |
          set -euo pipefail

          # Extract the commit hash from the line after COMMIT
          current=$(bun -p '(await Bun.file("test/vendor.json").json()).filter(v=>v.package===process.argv[1])[0].tag' ${{ matrix.package }})
          repository=$(bun -p '(await Bun.file("test/vendor.json").json()).filter(v=>v.package===process.argv[1])[0].repository' ${{ matrix.package }} | cut -d'/' -f4,5)

          if [ -z "$current" ]; then
            echo "Error: Could not find COMMIT line in test/vendor.json"
            exit 1
          fi

          echo "current=$current" >> $GITHUB_OUTPUT
          echo "repository=$repository" >> $GITHUB_OUTPUT

          LATEST_RELEASE=$(curl -sL https://api.github.com/repos/${repository}/releases/latest)
          if [ -z "$LATEST_RELEASE" ]; then
            echo "Error: Failed to fetch latest release from GitHub API"
            exit 1
          fi

          LATEST_TAG=$(echo "$LATEST_RELEASE" | jq -r '.tag_name')
          if [ -z "$LATEST_TAG" ] || [ "$LATEST_TAG" = "null" ]; then
            echo "Error: Could not extract tag name from GitHub API response"
            exit 1
          fi

          echo "latest=$LATEST_TAG" >> $GITHUB_OUTPUT

      - name: Update version if needed
        if: success() && steps.check-version.outputs.current != steps.check-version.outputs.latest
        run: |
          set -euo pipefail
          bun -e 'await Bun.write("test/vendor.json", JSON.stringify((await Bun.file("test/vendor.json").json()).map(v=>{if(v.package===process.argv[1])v.tag=process.argv[2];return v;}), null, 2) + "\n")' ${{ matrix.package }} ${{ steps.check-version.outputs.latest }}

      - name: Create Pull Request
        if: success() && steps.check-version.outputs.current != steps.check-version.outputs.latest
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          add-paths: |
            test/vendor.json
          commit-message: "deps: update ${{ matrix.package }} to ${{ steps.check-version.outputs.latest }} (${{ steps.check-version.outputs.latest }})"
          title: "deps: update ${{ matrix.package }} to ${{ steps.check-version.outputs.latest }}"
          delete-branch: true
          branch: deps/update-${{ matrix.package }}
          body: |
            ## What does this PR do?

            Updates ${{ matrix.package }} to version ${{ steps.check-version.outputs.latest }}

            Compare: https://github.com/${{ steps.check-version.outputs.repository }}/compare/${{ steps.check-version.outputs.current }}...${{ steps.check-version.outputs.latest }}

            Auto-updated by [this workflow](https://github.com/oven-sh/bun/actions/workflows/update-vendor.yml)