name: Sync versions on PR merge

on:
  push:
    branches: [master]

permissions:
  id-token: write
  contents: write

env:
  NODE_VERSION: 17.0.1
  ANCHOR_VERSION: 0.22.0
  SOLANA_VERSION_STABLE: 1.9.22
  RUST_TOOLCHAIN: stable

jobs:
  dump-context:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Dump GitHub context
        env:
          GITHUB_CONTEXT: ${{ toJson(github) }}
        run: echo "$GITHUB_CONTEXT"

  # alt: on version, publish comment or label and then parse here.
  get-changes-scope:
    runs-on: ubuntu-latest
    outputs:
      changed-packages: ${{ steps.get-changed-package-scope.outputs.result }}
    steps:
      - uses: actions/checkout@v3

      - name: Get PR for push event HEAD commit
        uses: ./.github/actions/get-pr-for-commit
        id: get-pr-for-commit
        with:
          commit-sha: ${{ github.sha }}

      - name: List changed files
        uses: ./.github/actions/list-changed-files
        id: list-changed-files
        with:
          pull-number: ${{ steps.get-pr-for-commit.outputs.pull-number }}
          # only include files which might contain version bumps
          include: '["package.json", "Cargo.toml"]'

      # map fetched changed files to package / lang (list)
      - name: Get scope of changed packages
        uses: actions/github-script@v4
        id: get-changed-package-scope
        with:
          # update regexp to consider other subdirs - e.g. `rust|test|cli|<etc>`
          script: |
            const files = ${{ steps.list-changed-files.outputs.changed-files }}
            const regexp = /[a-zA-Z\-]+\/(js|program)/g
            const uniqueFilesObj = files.reduce((p, file) => {
              const match = file.match(regexp)
              if (match) {
                // use first match result
                if (!p[match[0]]) p[match[0]] = 1
              }
              return p
            }, {})
            return Array.from(Object.keys(uniqueFilesObj))

  publish-version-changes:
    needs: [get-changes-scope]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Publish version changes
        uses: ./.github/actions/publish-version-changes
        id: publish-version-changes
        with:
          changed-packages: ${{ needs.get-changes-scope.outputs.changed-packages }}
          cargo-token: ${{ secrets.CARGO_TOKEN }}
          npm-token: ${{ secrets.NPM_TOKEN }}