name: Prepare Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: "Release version, for example 0.2.0"
        required: true
        type: string

concurrency:
  group: ${{ github.workflow }}-${{ inputs.version }}
  cancel-in-progress: false

permissions:
  contents: write
  pull-requests: write

env:
  CARGO_INCREMENTAL: "0"

jobs:
  prepare:
    name: Open Release PR
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v5

      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: nightly-2026-08-21

      - name: Normalize release version
        id: version
        shell: bash
        run: |
          version="${{ inputs.version }}"
          version="${version#v}"
          echo "value=$version" >> "$GITHUB_OUTPUT"

      - name: Synchronize release version
        run: make set-release-version VERSION="${{ steps.version.outputs.value }}"

      - name: Create release preparation PR
        uses: peter-evans/create-pull-request@v7
        with:
          commit-message: "release: prepare v${{ steps.version.outputs.value }}"
          branch: "automation/release-v${{ steps.version.outputs.value }}"
          delete-branch: true
          title: "release: prepare v${{ steps.version.outputs.value }}"
          body: |
            Prepares release v${{ steps.version.outputs.value }}.

            This updates:
            - Cargo workspace version and Cargo.lock
            - Helm chart version and appVersion
            - Docker Compose and docs default app image version