# yamllint disable rule:line-length
---
name: Builder

on:
  workflow_call:
  push:
    branches: [master]
    paths:
      - "**/config.*"

permissions:
  contents: write
  packages: write

concurrency:
  group: builder-${{ github.ref }}
  cancel-in-progress: true

env:
  BUILD_ARGS: ""

jobs:
  detect-changed-addons:
    if: ${{ github.repository_owner == 'alexbelgium' && !contains(github.event.head_commit.message, 'nobuild') }}
    runs-on: ubuntu-latest
    outputs:
      changedAddons: ${{ steps.find.outputs.changed_addons }}
      hasChanges: ${{ steps.find.outputs.has_changes }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6  [oai_citation:0‡GitHub](https://github.com/actions/checkout?utm_source=chatgpt.com)
        with:
          fetch-depth: 0

      - name: Find changed add-on directories (config.json|yaml|yml)
        id: find
        shell: bash
        run: |
          set -euo pipefail

          BASE_SHA="${{ github.event.before }}"
          if [[ -z "${BASE_SHA}" || "${BASE_SHA}" == "0000000000000000000000000000000000000000" ]]; then
            # workflow_call or unusual event: fall back to previous commit
            BASE_SHA="$(git rev-parse HEAD~1)"
          fi

          mapfile -t files < <(git diff --name-only "${BASE_SHA}" "${{ github.sha }}" \
            | grep -E '^[^/]+/config\.(json|ya?ml)$' || true)

          echo "Changed config files:"
          printf '%s\n' "${files[@]:-}"

          if (( ${#files[@]} == 0 )); then
            echo 'changed_addons=[]' >> "$GITHUB_OUTPUT"
            echo 'has_changes=false' >> "$GITHUB_OUTPUT"
            exit 0
          fi

          changed_addons="$(printf '%s\n' "${files[@]}" | awk -F/ '{print $1}' | sort -u | jq -R -s -c 'split("\n")[:-1]')"
          echo "Changed addons: ${changed_addons}"
          echo "changed_addons=${changed_addons}" >> "$GITHUB_OUTPUT"
          echo "has_changes=true" >> "$GITHUB_OUTPUT"

  prebuild-sanitize:
    if: ${{ needs.detect-changed-addons.outputs.hasChanges == 'true' }}
    needs: detect-changed-addons
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6  [oai_citation:1‡GitHub](https://github.com/actions/checkout?utm_source=chatgpt.com)
        with:
          fetch-depth: 0

      - name: Sanitize tracked text files (Unicode spaces + CRLF→LF) without changing modes
        shell: bash
        run: |
          set -euo pipefail

          python3 - <<'PY'
          import json, os, pathlib, re, stat, tempfile

          changed_addons = json.loads(os.environ["CHANGED_ADDONS"])
          repo = pathlib.Path(".").resolve()

          # Unicode "space-like" chars you were targeting
          space_re = re.compile(r"[\u00A0\u2002\u2003\u2007\u2008\u2009\u202F\u205F\u3000\u200B]")

          def is_probably_text(data: bytes) -> bool:
              # cheap binary check: NUL byte
              return b"\0" not in data

          def rewrite_preserving_metadata(path: pathlib.Path, new_bytes: bytes) -> None:
              st = path.stat()
              tmp = path.with_name(path.name + ".tmp_sanitize")
              tmp.write_bytes(new_bytes)
              os.chmod(tmp, stat.S_IMODE(st.st_mode))
              os.utime(tmp, (st.st_atime, st.st_mtime))
              os.replace(tmp, path)

          for addon in changed_addons:
              addon_path = repo / addon
              if not addon_path.exists():
                  continue

              # Only tracked files inside the addon
              import subprocess
              res = subprocess.run(
                  ["git", "ls-files", "-z", "--", str(addon_path)],
                  check=True,
                  stdout=subprocess.PIPE,
              )
              files = [pathlib.Path(p.decode("utf-8")) for p in res.stdout.split(b"\0") if p]

              for f in files:
                  try:
                      data = f.read_bytes()
                  except OSError:
                      continue
                  if not is_probably_text(data):
                      continue

                  # Decode "best effort" but keep bytes stable via surrogateescape
                  try:
                      text = data.decode("utf-8", errors="surrogateescape")
                  except Exception:
                      continue

                  new_text = space_re.sub(" ", text)
                  # Normalize CRLF and stray CR to LF
                  new_text = new_text.replace("\r\n", "\n").replace("\r", "\n")

                  if new_text != text:
                      rewrite_preserving_metadata(f, new_text.encode("utf-8", errors="surrogateescape"))

          PY
        env:
          CHANGED_ADDONS: ${{ needs.detect-changed-addons.outputs.changedAddons }}

      - name: Add exec bit only where appropriate (never remove exec)
        shell: bash
        run: |
          set -euo pipefail

          # Add +x only when:
          # - file already executable (leave it alone), OR
          # - it has a shebang, OR
          # - it's a known s6/openrc-style run script location
          python3 - <<'PY'
          import json, os, pathlib, stat

          changed_addons = json.loads(os.environ["CHANGED_ADDONS"])
          repo = pathlib.Path(".").resolve()

          def should_be_executable(p: pathlib.Path) -> bool:
              rel = str(p.as_posix())
              if rel.endswith(".sh"):
                  # .sh often sourced, so require shebang to enforce executability
                  pass
              # common executable script locations in HA add-ons
              if "/etc/cont-init.d/" in rel or "/etc/cont-finish.d/" in rel or "/etc/services.d/" in rel:
                  return True
              if "/etc/s6-overlay/s6-rc.d/" in rel and rel.endswith("/run"):
                  return True
              return False

          def has_shebang(p: pathlib.Path) -> bool:
              try:
                  with p.open("rb") as f:
                      return f.read(2) == b"#!"
              except OSError:
                  return False

          for addon in changed_addons:
              addon_path = repo / addon
              if not addon_path.exists():
                  continue
              for p in addon_path.rglob("*"):
                  if not p.is_file():
                      continue
                  st = p.stat()
                  mode = stat.S_IMODE(st.st_mode)
                  is_exec = bool(mode & stat.S_IXUSR)

                  if is_exec:
                      continue  # do not touch existing executable files

                  if has_shebang(p) or should_be_executable(p):
                      os.chmod(p, mode | stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH)

          PY
        env:
          CHANGED_ADDONS: ${{ needs.detect-changed-addons.outputs.changedAddons }}

      - name: Commit sanitize if needed
        shell: bash
        run: |
          set -euo pipefail
          if git diff --quiet; then
            echo "No sanitize changes."
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git add -A
          git commit -m "GitHub bot: sanitize (spaces/LF/exec) [nobuild]"
          git pull --rebase --autostash
          git push

  lint_config:
    if: ${{ needs.detect-changed-addons.outputs.hasChanges == 'true' }}
    needs: [detect-changed-addons, prebuild-sanitize]
    runs-on: ubuntu-latest
    continue-on-error: true
    strategy:
      fail-fast: false
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
    steps:
      - uses: actions/checkout@v6  [oai_citation:2‡GitHub](https://github.com/actions/checkout?utm_source=chatgpt.com)
      - name: Run Home Assistant Add-on Lint
        uses: frenck/action-addon-linter@v2  [oai_citation:3‡GitHub](https://github.com/frenck/action-addon-linter)
        with:
          path: "./${{ matrix.addon }}"

  build:
    if: ${{ needs.detect-changed-addons.outputs.hasChanges == 'true' }}
    needs: [detect-changed-addons, lint_config]
    runs-on: ubuntu-latest
    name: Build ${{ matrix.arch }} ${{ matrix.addon }} add-on
    strategy:
      fail-fast: false
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
        arch: ["aarch64", "amd64", "armv7"]
    steps:
      - uses: actions/checkout@v6  [oai_citation:4‡GitHub](https://github.com/actions/checkout?utm_source=chatgpt.com)

      - name: Get information
        id: info
        uses: home-assistant/actions/helpers/info@master
        with:
          path: "./${{ matrix.addon }}"

      - name: Skip if no Dockerfile
        id: dockerfile
        shell: bash
        run: |
          if [[ -f "./${{ matrix.addon }}/Dockerfile" ]]; then
            echo "has=true" >> "$GITHUB_OUTPUT"
          else
            echo "has=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Check if add-on supports arch
        id: check
        shell: bash
        run: |
          if [[ "${{ steps.info.outputs.architectures }}" =~ ${{ matrix.arch }} ]]; then
            echo "build_arch=true" >> "$GITHUB_OUTPUT"
            echo "image=$(echo "${{ steps.info.outputs.image }}" | cut -d'/' -f3)" >> "$GITHUB_OUTPUT"
          else
            echo "build_arch=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Login to GitHub Container Registry
        if: ${{ env.BUILD_ARGS != '--test' }}
        uses: docker/login-action@v3.6.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build ${{ matrix.addon }} add-on
        if: ${{ steps.check.outputs.build_arch == 'true' && steps.dockerfile.outputs.has == 'true' }}
        uses: home-assistant/builder@2025.09.0  [oai_citation:5‡GitHub](https://github.com/home-assistant/builder/releases?utm_source=chatgpt.com)
        env:
          CAS_API_KEY: ${{ secrets.CAS_API_KEY }}
        with:
          args: |
            ${{ env.BUILD_ARGS }} \
            --${{ matrix.arch }} \
            --target "/data/${{ matrix.addon }}" \
            --image "${{ steps.check.outputs.image }}" \
            --docker-hub "ghcr.io/${{ github.repository_owner }}" \
            --addon

  make-changelog:
    if: ${{ needs.detect-changed-addons.outputs.hasChanges == 'true' }}
    needs: [detect-changed-addons, build]
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
    steps:
      - uses: actions/checkout@v6  [oai_citation:6‡GitHub](https://github.com/actions/checkout?utm_source=chatgpt.com)
        with:
          fetch-depth: 0

      - name: Update changelog for minor versions
        shell: bash
        run: |
          set -euo pipefail
          cd "${{ matrix.addon }}"

          if [[ -f config.yaml ]]; then
            version="$(yq -r '.version // ""' config.yaml 2>/dev/null || true)"
          elif [[ -f config.json ]]; then
            version="$(jq -r '.version // ""' config.json 2>/dev/null || true)"
          else
            exit 0
          fi

          version="$(echo "$version" | xargs)"
          [[ -z "$version" ]] && exit 0
          [[ "$version" == *"test"* ]] && exit 0

          touch CHANGELOG.md
          if ! grep -qF "## $version " CHANGELOG.md; then
            first_line="$(sed -n '/./p' CHANGELOG.md | head -n 1 || true)"
            if [[ "$first_line" != "-"* ]]; then
              sed -i "1i\\- Minor bugs fixed" CHANGELOG.md
            fi
            sed -i "1i\\## $version ($(date '+%d-%m-%Y'))" CHANGELOG.md
          fi

      - name: Commit changelog if needed
        shell: bash
        run: |
          set -euo pipefail
          if git diff --quiet; then
            echo "No changelog changes."
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git add -A
          git commit -m "GitHub bot: changelog [nobuild]"
          git pull --rebase --autostash
          git push