name: Release

# Cut a SemVer tag from main HEAD, then call deploy. GITHUB_TOKEN is enough;
# it cannot start other workflows via the tag push, so this file calls deploy.

on:
  workflow_dispatch:
    inputs:
      environment:
        description: Target environment
        required: true
        type: choice
        options: [staging, prod]
      bump:
        description: SemVer bump from the last prod core tag
        required: true
        type: choice
        options: [patch, minor, major]
      message:
        description: Annotated tag message and GitHub Release body
        required: true
        type: string

permissions:
  contents: write
  checks: read

jobs:
  cut:
    name: Cut tag
    runs-on: ubuntu-latest
    timeout-minutes: 40
    outputs:
      tag: ${{ steps.tag.outputs.tag }}
      sha: ${{ steps.tag.outputs.sha }}
      environment: ${{ github.event.inputs.environment }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0
          persist-credentials: true

      - name: Require main
        run: |
          set -euo pipefail
          if [ "${GITHUB_REF}" != "refs/heads/main" ]; then
            echo "Release must run from main (Use workflow from: main). Got ${GITHUB_REF}." >&2
            exit 1
          fi

      - name: Require CI
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          python3 scripts/require_commit_checks.py \
            --repo "${{ github.repository }}" \
            --sha "$(git rev-parse HEAD)" \
            --timeout-seconds 1200

      - name: Compute and push tag
        id: tag
        env:
          ENVIRONMENT: ${{ github.event.inputs.environment }}
          BUMP: ${{ github.event.inputs.bump }}
          MESSAGE: ${{ github.event.inputs.message }}
          GH_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail
          git fetch --tags origin
          sha="$(git rev-parse HEAD)"
          tag="$(git tag | python3 scripts/next_release_tag.py --environment "${ENVIRONMENT}" --bump "${BUMP}")"
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git tag -a "${tag}" -m "${MESSAGE}" "${sha}"
          git push origin "refs/tags/${tag}"
          gh release create "${tag}" --target "${sha}" --notes "${MESSAGE}" --title "${tag}"
          {
            echo "tag=${tag}"
            echo "sha=${sha}"
          } >> "${GITHUB_OUTPUT}"
          echo "Created ${tag} at ${sha}"

  deploy:
    name: Deploy release
    needs: cut
    uses: ./.github/workflows/deploy.yaml
    with:
      environment: ${{ needs.cut.outputs.environment }}
      ref: ${{ needs.cut.outputs.tag }}
    secrets: inherit