name: Go Autoupdate

on:
  workflow_call:
    inputs:
      go-version:
        description: "Go version to use"
        required: false
        type: string
        default: ">=1.24"
      release-workflow:
        description: "Release workflow file to trigger (e.g., release.yml)"
        required: false
        type: string
        default: "release.yml"

jobs:
  autoupdate:
    name: Update dependencies and test
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Run workflow prepare script
        shell: bash
        run: |
          if [ -f "./workflow-prepare.sh" ]; then
            chmod +x ./workflow-prepare.sh
            ./workflow-prepare.sh
          fi

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ inputs.go-version }}
          cache: true

      - name: Update dependencies
        run: |
          go get -u ./...
          go mod tidy

      - name: Run tests
        run: go test -race -cover ./...

      - name: Check for changes
        id: changes
        run: |
          if git diff --quiet go.mod go.sum; then
            echo "changes_detected=false" >> $GITHUB_OUTPUT
          else
            echo "changes_detected=true" >> $GITHUB_OUTPUT
          fi

      - name: Create Pull Request
        id: create-pr
        if: steps.changes.outputs.changes_detected == 'true'
        uses: peter-evans/create-pull-request@v7
        with:
          token: ${{ secrets.HOMEBREW_TAP_TOKEN }}
          commit-message: "Update go.mod and go.sum"
          title: "Update Go dependencies"
          body: |
            Automated dependency update.

            - Updated `go.mod` and `go.sum` via `go get -u ./...`
            - All tests passed
          branch: auto-update-go-deps
          delete-branch: true

      - name: Merge PR
        if: steps.create-pr.outputs.pull-request-number
        run: gh pr merge --squash --delete-branch --admin "${{ steps.create-pr.outputs.pull-request-number }}"
        env:
          GH_TOKEN: ${{ secrets.HOMEBREW_TAP_TOKEN }}