name: Build and publish release

on:
  push:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: openunifi-release
  cancel-in-progress: false

permissions:
  code: read
  releases: write

jobs:
  metadata:
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.release.outputs.version }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Validate documentation generator
        run: |
          mkdir -p "$RUNNER_TEMP/openuf-wiki"
          python3 ./scripts/docs/generate-wiki.py --output "$RUNNER_TEMP/openuf-wiki"
          python3 ./scripts/docs/generate-wiki.py --check --output "$RUNNER_TEMP/openuf-wiki"
      - name: Install metadata dependencies
        run: sudo apt-get update && sudo apt-get install --yes jq
      - name: Read release configuration
        id: release
        shell: bash
        run: |
          set -euo pipefail
          major="$(jq -er '.version.major | select(type == "number" and floor == . and . >= 0)' .gitea/release-targets.json)"
          minor="$(jq -er '.version.minor | select(type == "number" and floor == . and . >= 0)' .gitea/release-targets.json)"
          tag_prefix="v${major}.${minor}."
          latest_patch=-1
          while IFS= read -r tag; do
            candidate="${tag#"$tag_prefix"}"
            if [[ $candidate =~ ^(0|[1-9][0-9]*)$ ]] && (( candidate > latest_patch )); then
              latest_patch=$candidate
            fi
          done < <(git tag --list "${tag_prefix}*")
          patch=$((latest_patch + 1))
          version="${major}.${minor}.${patch}"
          jq -e '
            (.targets | length > 0) and
            ([.targets[].architecture] | length == (unique | length)) and
            all(.targets[]; (.architecture | type == "string" and test("^[A-Za-z0-9_-]+$")))
          ' .gitea/release-targets.json >/dev/null
          printf 'version=%s\n' "$version" >>"$GITHUB_OUTPUT"

  create-release:
    needs: metadata
    runs-on: ubuntu-latest
    outputs:
      release-id: ${{ steps.create.outputs.release-id }}
    steps:
      - uses: actions/checkout@v4
      - name: Install release dependencies
        run: sudo apt-get update && sudo apt-get install --yes curl jq
      - name: Create draft release
        id: create
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          VERSION: ${{ needs.metadata.outputs.version }}
        run: |
          release_id="$(scripts/ci/gitea-release.sh create)"
          printf 'release-id=%s\n' "$release_id" >>"$GITHUB_OUTPUT"

  build:
    needs: [metadata, create-release]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install SDK build dependencies
        shell: bash
        run: |
          sudo apt-get update
          packages=(build-essential clang flex bison g++ gawk gettext git libncurses-dev libssl-dev python3 rsync unzip zlib1g-dev file wget patch time curl jq zstd)
          case "$(uname -m)" in
            aarch64|arm64|armv7l|armv8l)
              packages+=(qemu-user-static)
              ;;
          esac
          sudo apt-get install --yes "${packages[@]}"
      - name: Build and upload configured packages
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          RELEASE_ID: ${{ needs.create-release.outputs.release-id }}
          VERSION: ${{ needs.metadata.outputs.version }}
        shell: bash
        run: |
          set -euo pipefail
          while IFS= read -r architecture; do
            scripts/ci/build-release.sh .gitea/release-targets.json "$architecture" "$VERSION" dist
            ASSET="dist/openUniFi-${architecture}-${VERSION}.apk" scripts/ci/gitea-release.sh upload
          done < <(jq -r '.targets[].architecture' .gitea/release-targets.json)

  publish-release:
    needs: [metadata, create-release, build]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Publish completed release
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          RELEASE_ID: ${{ needs.create-release.outputs.release-id }}
        run: scripts/ci/gitea-release.sh publish