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

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

jobs:
  detect-changed-addons:
    if: >-
      ${{
        github.repository_owner == 'alexbelgium' &&
        (github.event_name != 'push' || !contains(github.event.head_commit.message, 'nobuild'))
      }}
    runs-on: ubuntu-latest
    outputs:
      changedAddons: ${{ steps.find_addons.outputs.changed_addons }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Find add-on directories to process
        id: find_addons
        run: |
          set -euo pipefail

          if [ "${{ github.event_name }}" = "push" ]; then
            before="${{ github.event.before }}"
            if [ -n "$before" ] && [ "$before" != "0000000000000000000000000000000000000000" ]; then
              git fetch --no-tags --depth=1 origin "$before" || true
              changed_config_files=$(git diff --name-only "$before" "${{ github.sha }}" | grep -E '^[^/]+/config\.(json|ya?ml)$' || true)
            else
              changed_config_files=$(git diff-tree --no-commit-id --name-only -r "${{ github.sha }}" | grep -E '^[^/]+/config\.(json|ya?ml)$' || true)
            fi
            echo "Changed config files:"
            printf '%s\n' "$changed_config_files"
            changed_addons=$(printf '%s\n' "$changed_config_files" | awk -F/ 'NF { print $1 }' | sort -u | jq -R -s -c 'split("\n") | map(select(length > 0))')
          else
            changed_addons=$(find . -maxdepth 2 \( -name 'config.json' -o -name 'config.yaml' -o -name 'config.yml' \) -printf '%h\n' | sed 's#^\./##' | sort -u | jq -R -s -c 'split("\n") | map(select(length > 0))')
          fi

          echo "Changed add-ons: $changed_addons"
          echo "changed_addons=${changed_addons:-[]}" >> "$GITHUB_OUTPUT"

  prebuild-sanitize:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: detect-changed-addons
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Sanitize text files and script permissions
        env:
          ADDONS_JSON: ${{ needs.detect-changed-addons.outputs.changedAddons }}
        run: |
          set -euo pipefail

          UNICODE_SPACES_REGEX=$'[\u00A0\u2002\u2003\u2007\u2008\u2009\u202F\u205F\u3000\u200B]'
          mapfile -t addons < <(jq -r '.[]' <<<"$ADDONS_JSON")

          for addon in "${addons[@]}"; do
            echo "Sanitizing ${addon}"
            cd "$GITHUB_WORKSPACE/$addon"

            while IFS= read -r -d '' file; do
              mime_type=$(file --mime-type -b "$file")
              [[ "$mime_type" != text/* ]] && continue

              perl -i -CSD -pe "
                s/${UNICODE_SPACES_REGEX}/ /g;
                s/\r$//;
              " "$file"
            done < <(find . -type f -print0)

            find . -type f -iname '*.sh' -exec chmod u+x {} \;
          done

      - name: Assert no mixed CRLF/LF remain
        uses: ymwymw/check-mixed-line-endings@v2

      - name: Commit sanitize changes
        if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/master' }}
        uses: EndBug/add-and-commit@v10
        with:
          commit: -u
          message: "GitHub bot: sanitize (spaces + LF endings) & chmod [nobuild]"
          default_author: github_actions
          pull: --rebase --autostash
          fetch: --tags --force

  lint_config:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: [detect-changed-addons, prebuild-sanitize]
    runs-on: ubuntu-latest
    continue-on-error: true
    strategy:
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
    steps:
      - uses: actions/checkout@v6
      - name: Run Home Assistant Add-on Lint
        uses: frenck/action-addon-linter@v2
        with:
          path: "./${{ matrix.addon }}"

  build:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: [detect-changed-addons, lint_config]
    runs-on: ${{ matrix.runner }}
    name: Build ${{ matrix.arch }} ${{ matrix.addon }} add-on
    permissions:
      contents: read
      packages: write
    strategy:
      fail-fast: false
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
        arch: [amd64, aarch64]
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: aarch64
            runner: ubuntu-24.04-arm
    steps:
      - uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Resolve symlinks in repository copy
        run: |
          set -euo pipefail

          find . -type l | while read -r link; do
            target=$(readlink -f "$link" || true)
            if [ -z "$target" ]; then
              echo "Skipping broken symlink: $link"
              continue
            fi

            rm "$link"
            if [ -d "$target" ]; then
              mkdir -p "$link"
              cp -a "$target/." "$link/"
            else
              cp "$target" "$link"
            fi
          done

      - name: Install PyYAML
        run: python3 -m pip install --disable-pip-version-check pyyaml

      - name: Read add-on metadata
        id: info
        env:
          ADDON: ${{ matrix.addon }}
          ARCH: ${{ matrix.arch }}
          REPOSITORY: ${{ github.repository }}
        run: |
          set -euo pipefail

          python3 - <<'PY'
          import json
          import os
          from datetime import datetime, timezone
          from pathlib import Path
          
          import yaml
          
          addon = os.environ["ADDON"]
          arch = os.environ["ARCH"]
          repository = os.environ["REPOSITORY"]
          addon_dir = Path(addon)
          output_path = Path(os.environ["GITHUB_OUTPUT"])
          
          
          def load_file(path: Path):
              text = path.read_text(encoding="utf-8")
              if path.suffix == ".json":
                  return json.loads(text)
              return yaml.safe_load(text) or {}
          
          
          def first_existing(*names: str):
              for name in names:
                  path = addon_dir / name
                  if path.exists():
                      return path
              return None
          
          
          config_path = first_existing("config.json", "config.yaml", "config.yml")
          if config_path is None:
              raise SystemExit(f"No config file found in {addon}")
          
          build_path = first_existing("build.json", "build.yaml", "build.yml")
          config = load_file(config_path)
          build = load_file(build_path) if build_path else {}
          
          build_from_map = build.get("build_from") or {}
          arch_list = list(build_from_map.keys()) if build_from_map else list(config.get("arch") or [])
          build_arch = arch in arch_list
          
          image_raw = str(config.get("image") or "").strip()
          image = image_raw.replace("{arch}", arch)
          version = str(config.get("version") or "").strip()
          name = str(config.get("name") or "").strip()
          description = str(config.get("description") or "").strip()
          url = str(config.get("url") or "").strip()
          build_from = str(build_from_map.get(arch) or "").strip()
          build_date = datetime.now(timezone.utc).replace(microsecond=0).isoformat()
          
          dockerfile = addon_dir / f"Dockerfile.{arch}"
          if dockerfile.exists():
              dockerfile_name = dockerfile.name
              has_dockerfile = True
          else:
              dockerfile = addon_dir / "Dockerfile"
              dockerfile_name = dockerfile.name
              has_dockerfile = dockerfile.exists()
          
          labels = [
              f"io.hass.name={name}",
              f"io.hass.description={description}",
              "io.hass.type=addon",
          ]
          if url:
              labels.append(f"io.hass.url={url}")
          
          build_args = [
              f"BUILD_DATE={build_date}",
              f"BUILD_DESCRIPTION={description}",
              f"BUILD_NAME={name}",
              f"BUILD_REF={os.environ.get('GITHUB_SHA', '')}",
              f"BUILD_REPOSITORY={repository}",
          ]
          if build_from:
              build_args.insert(0, f"BUILD_FROM={build_from}")
          
          
          def write_output(key: str, value: str):
              with output_path.open("a", encoding="utf-8") as fh:
                  print(f"{key}<<__EOF__", file=fh)
                  print(value, file=fh)
                  print("__EOF__", file=fh)
          
          
          write_output("architectures", json.dumps(arch_list))
          write_output("build_arch", "true" if build_arch else "false")
          write_output("has_dockerfile", "true" if has_dockerfile else "false")
          write_output("dockerfile", dockerfile_name)
          write_output("image", image)
          write_output("version", version)
          write_output("name", name)
          write_output("description", description)
          write_output("url", url)
          write_output("build_from", build_from)
          write_output("build_date", build_date)
          write_output("labels", "\n".join(labels))
          write_output("build_args", "\n".join(build_args))
          PY

      - name: Explain skipped builds
        if: steps.info.outputs.build_arch != 'true' || steps.info.outputs.has_dockerfile != 'true'
        run: |
          if [ "${{ steps.info.outputs.has_dockerfile }}" != 'true' ]; then
            echo "No Dockerfile or Dockerfile.${{ matrix.arch }} found in ${{ matrix.addon }}, skipping build."
          elif [ "${{ steps.info.outputs.build_arch }}" != 'true' ]; then
            echo "${{ matrix.arch }} is not a valid architecture for ${{ matrix.addon }}, skipping build."
          fi

      - name: Build ${{ matrix.addon }} add-on
        if: steps.info.outputs.build_arch == 'true' && steps.info.outputs.has_dockerfile == 'true'
        uses: home-assistant/builder/actions/build-image@2026.03.2
        with:
          arch: ${{ matrix.arch }}
          cache-gha-scope: ${{ matrix.addon }}-${{ matrix.arch }}
          context: ./${{ matrix.addon }}
          file: ${{ steps.info.outputs.dockerfile }}
          image: ${{ steps.info.outputs.image }}
          image-tags: |
            ${{ steps.info.outputs.version }}
            latest
          version: ${{ steps.info.outputs.version }}
          push: "true"
          cosign: "false"
          container-registry-password: ${{ secrets.GITHUB_TOKEN }}
          labels: ${{ steps.info.outputs.labels }}
          build-args: ${{ steps.info.outputs.build_args }}

  make-changelog:
    if: >-
      ${{
        github.event_name == 'push' &&
        github.ref == 'refs/heads/master' &&
        needs.detect-changed-addons.outputs.changedAddons != '' &&
        needs.detect-changed-addons.outputs.changedAddons != '[]'
      }}
    needs: [detect-changed-addons, build]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Update changelog for minor versions
        env:
          ADDONS_JSON: ${{ needs.detect-changed-addons.outputs.changedAddons }}
        run: |
          set -euo pipefail

          mapfile -t addons < <(jq -r '.[]' <<<"$ADDONS_JSON")

          for addon in "${addons[@]}"; do
            echo "Updating changelog for ${addon}"
            cd "$GITHUB_WORKSPACE/$addon"

            if [ -f config.yaml ]; then
              version=$(sed -n 's/^version:[[:space:]]*//p' config.yaml | head -n 1)
            elif [ -f config.yml ]; then
              version=$(sed -n 's/^version:[[:space:]]*//p' config.yml | head -n 1)
            elif [ -f config.json ]; then
              version=$(sed -n 's/.*"version"[[:space:]]*:[[:space:]]*"\([^"]*\)".*/\1/p' config.json | head -n 1)
            else
              echo "No config file found in ${addon}" >&2
              exit 1
            fi

            version=${version//\"/}
            version=${version//\'/}
            version=$(echo "$version" | xargs)

            if [[ "$version" == *test* ]]; then
              continue
            fi

            touch CHANGELOG.md
            if ! grep -q "^## ${version} (" CHANGELOG.md; then
              first_line=$(sed -n '/./p' CHANGELOG.md | head -n 1 || true)
              if [[ -n "$first_line" && "$first_line" != -* ]]; then
                sed -i '1i\- Minor bugs fixed' CHANGELOG.md
              elif [[ -z "$first_line" ]]; then
                printf '%s\n' '- Minor bugs fixed' > CHANGELOG.md
              fi
              sed -i "1i\## ${version} ($(date '+%d-%m-%Y'))" CHANGELOG.md
            fi
          done

      - name: Commit changelog changes
        uses: EndBug/add-and-commit@v10
        with:
          commit: -u
          message: "GitHub bot: changelog [nobuild]"
          default_author: github_actions
          pull: --rebase --autostash
          fetch: --force
          push: --force

  revert-on-failure:
    if: >-
      ${{
        failure() &&
        github.event_name == 'push' &&
        github.ref == 'refs/heads/master' &&
        github.repository_owner == 'alexbelgium'
      }}
    needs: [detect-changed-addons, prebuild-sanitize, lint_config, build]
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6
        with:
          fetch-depth: 0

      - name: Revert commits from this failed push
        run: |
          set -euo pipefail

          git config --global user.name "GitHub Actions"
          git config --global user.email "actions@github.com"
          git fetch origin
          git checkout master
          git pull --ff-only origin master

          before="${{ github.event.before }}"
          if [ -n "$before" ] && [ "$before" != "0000000000000000000000000000000000000000" ]; then
            mapfile -t commits < <(git rev-list "${before}..HEAD")
          else
            commits=("${{ github.sha }}")
          fi

          if [ "${#commits[@]}" -eq 0 ]; then
            echo "Nothing to revert."
            exit 0
          fi

          for commit in "${commits[@]}"; do
            git revert --no-edit "$commit"
          done

          git push origin HEAD:master