# yamllint disable rule:line-length
# inspired by Poeschl/Hassio-Addons, optimized by ChatGPT
---
name: Builder

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

jobs:
  # 1. Detect which add-on folders changed (by config.json|yaml|yml modification)
  detect-changed-addons:
    if: ${{ github.repository_owner == 'alexbelgium' && !contains(github.event.head_commit.message, 'nobuild') }}
    runs-on: ubuntu-latest
    outputs:
      changedAddons: ${{ steps.find_addons.outputs.changed_addons }}
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6
      - name: Find changed addon directories
        id: find_addons
        run: |
          git fetch origin "${{ github.event.before }}" || true
          changed_config_files=$(git diff --name-only "${{ github.event.before }}" "${{ github.sha }}" | grep -E '^[^/]+/config\.(json|ya?ml)$' || true)
          echo "Changed config files:"
          echo "$changed_config_files"
          changed_addons=$(printf '%s' "$changed_config_files" | awk -F/ '{print $1}' | sort -u | jq -R -s -c 'split("\n") | map(select(length > 0))')
          echo "Changed addons: $changed_addons"
          echo "changed_addons=$changed_addons" >> "$GITHUB_OUTPUT"

  # 2. Pre-build sanitize: normalize spaces, fix script permissions, single commit per add-on
  prebuild-sanitize:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: detect-changed-addons
    runs-on: ubuntu-latest
    strategy:
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
    steps:
      - uses: actions/checkout@v6
      # ────────────────────────────────────────────────────────────────
      # 1. Replace non-printable Unicode spaces  ␣  and
      #    convert Windows line endings (CRLF) → Unix (LF)
      # ────────────────────────────────────────────────────────────────
      - name: Sanitize text files (Unicode spaces + CRLF → LF)
        run: |
          cd "${{ matrix.addon }}"
          UNICODE_SPACES_REGEX=$'[\u00A0\u2002\u2003\u2007\u2008\u2009\u202F\u205F\u3000\u200B]'

          find . -type f | while read -r file; do
            MIME_TYPE=$(file --mime-type -b "$file")
            [[ "$MIME_TYPE" != text/* ]] && continue

            echo "Sanitizing $file"
            # Edit in place, preserving file permissions and metadata
            perl -i -CSD -pe "
              s/${UNICODE_SPACES_REGEX}/ /g;  # space normalization
              s/\r$//;                        # CRLF → LF
            " "$file"
          done
      # ────────────────────────────────────────────────────────────────
      # 2. Ensure every *.sh script is executable
      # ────────────────────────────────────────────────────────────────
      - name: Make all .sh scripts executable
        run: |
          cd "${{ matrix.addon }}"
          find . -type f -iname "*.sh" -exec chmod u+x {} \;
      # ────────────────────────────────────────────────────────────────
      # 3. Verify nothing with mixed line endings slipped through
      # ────────────────────────────────────────────────────────────────
      - name: Assert no mixed CRLF/LF remain
        uses: ymwymw/check-mixed-line-endings@v2
      # ────────────────────────────────────────────────────────────────
      # 4. Commit any changes we made
      # ────────────────────────────────────────────────────────────────
      - name: Commit if needed
        uses: EndBug/add-and-commit@v10
        with:
          commit: -u
          message: "GitHub bot: sanitize (spaces + LF endings) & chmod"
          default_author: github_actions
          pull: --rebase --autostash
          fetch: --tags --force

  # 3. Lint add-on configs
  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 }}"

  # 4. Build images for changed addons/arches
  # Uses composable actions from home-assistant/builder (2026.03.2+)
  # which replaced the deprecated home-assistant/builder action.
  build:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: [detect-changed-addons, lint_config]
    runs-on: ${{ matrix.runner }}
    environment: CR_PAT
    name: Build ${{ matrix.arch }} ${{ matrix.addon }} add-on
    permissions:
      contents: read
      packages: write
    strategy:
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
        arch: ["aarch64", "amd64"]
        include:
          - arch: amd64
            runner: ubuntu-24.04
          - arch: aarch64
            runner: ubuntu-24.04-arm
    steps:
      - uses: actions/checkout@v6
      - name: Resolve Symlinks (in repo)
        run: |
          find . -type l | while read -r link; do
            target="$(readlink -f "$link")"
            if [ -z "$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: Get addon info
        id: info
        env:
          ADDON: ${{ matrix.addon }}
          ARCH: ${{ matrix.arch }}
        run: |
          cd "./$ADDON"

          # --- Read config file (json/yaml/yml) ---
          version="" image="" name="" description="" arch_list="[]"
          for ext in json yaml yml; do
            if [ -f "config.$ext" ]; then
              if [ "$ext" = "json" ]; then
                version=$(jq -r '.version // ""' "config.$ext")
                image=$(jq -r '.image // ""' "config.$ext")
                name=$(jq -r '.name // ""' "config.$ext")
                description=$(jq -r '.description // ""' "config.$ext")
                arch_list=$(jq -c '.arch // []' "config.$ext")
              else
                version=$(grep -m1 '^version:' "config.$ext" | sed 's/^version:[[:space:]]*//' | tr -d "\"'")
                image=$(grep -m1 '^image:' "config.$ext" | sed 's/^image:[[:space:]]*//' | tr -d "\"'")
                name=$(grep -m1 '^name:' "config.$ext" | sed 's/^name:[[:space:]]*//' | tr -d "\"'")
                description=$(grep -m1 '^description:' "config.$ext" | sed 's/^description:[[:space:]]*//' | tr -d "\"'")
                arch_list=$(sed -n '/^arch:/,/^[^ -]/p' "config.$ext" | grep '^ *-' | sed 's/^ *- *//' | tr -d "\"'" | jq -R -s -c 'split("\n") | map(select(length > 0))')
              fi
              break
            fi
          done

          # --- Read build config for build_from (json/yaml/yml) ---
          build_from="" build_archs=""
          for ext in json yaml yml; do
            if [ -f "build.$ext" ]; then
              if [ "$ext" = "json" ]; then
                build_from=$(jq -r ".build_from.\"$ARCH\" // \"\"" "build.$ext")
                build_archs=$(jq -c '.build_from | keys' "build.$ext")
              else
                build_from=$(sed -n "/^build_from:/,/^[^ ]/p" "build.$ext" | grep "^ *${ARCH}:" | sed "s/^ *${ARCH}:[[:space:]]*//" | tr -d "\"'")
                build_archs=$(sed -n '/^build_from:/,/^[^ ]/p' "build.$ext" | grep '^ ' | sed 's/:.*//' | tr -d ' ' | jq -R -s -c 'split("\n") | map(select(length > 0))')
              fi
              break
            fi
          done

          # Use build config architectures if available (overrides config arch list)
          if [ -n "$build_archs" ] && [ "$build_archs" != "[]" ]; then
            arch_list="$build_archs"
          fi

          # Resolve {arch} placeholder in image name
          resolved_image="${image//\{arch\}/$ARCH}"

          echo "version=$version" >> "$GITHUB_OUTPUT"
          echo "image=$resolved_image" >> "$GITHUB_OUTPUT"
          echo "name=$name" >> "$GITHUB_OUTPUT"
          echo "description=$description" >> "$GITHUB_OUTPUT"
          echo "architectures=$arch_list" >> "$GITHUB_OUTPUT"
          echo "build_from=$build_from" >> "$GITHUB_OUTPUT"

          echo "Addon: $ADDON, Arch: $ARCH"
          echo "  Version: $version"
          echo "  Image: $resolved_image"
          echo "  Build from: $build_from"
          echo "  Architectures: $arch_list"
      - name: Check if Dockerfile exists
        id: dockerfile_check
        run: |
          if [ -f "./${{ matrix.addon }}/Dockerfile" ]; then
            echo "has_dockerfile=true" >> "$GITHUB_OUTPUT"
          else
            echo "No Dockerfile found in ${{ matrix.addon }}, skipping build."
            echo "has_dockerfile=false" >> "$GITHUB_OUTPUT"
          fi
      - name: Check if add-on should be built for arch
        id: check
        run: |
          if [[ "${{ steps.info.outputs.architectures }}" =~ ${{ matrix.arch }} ]]; then
             echo "build_arch=true" >> "$GITHUB_OUTPUT";
          else
             echo "${{ matrix.arch }} is not a valid arch for ${{ matrix.addon }}, skipping build";
             echo "build_arch=false" >> "$GITHUB_OUTPUT";
          fi
      - name: Build ${{ matrix.addon }} add-on
        if: steps.check.outputs.build_arch == 'true' && steps.dockerfile_check.outputs.has_dockerfile == 'true'
        uses: home-assistant/builder/actions/build-image@2026.03.2
        with:
          arch: ${{ matrix.arch }}
          context: "./${{ matrix.addon }}"
          image: ${{ steps.info.outputs.image }}
          image-tags: |
            ${{ steps.info.outputs.version }}
            latest
          version: ${{ steps.info.outputs.version }}
          push: "true"
          cosign: "false"
          container-registry-password: ${{ secrets.GITHUB_TOKEN }}
          build-args: |
            BUILD_FROM=${{ steps.info.outputs.build_from }}
            BUILD_DESCRIPTION=${{ steps.info.outputs.description }}
            BUILD_NAME=${{ steps.info.outputs.name }}
            BUILD_REF=${{ github.sha }}
            BUILD_REPOSITORY=${{ github.repository }}

  # 5. Update changelog if needed (for each changed add-on)
  make-changelog:
    if: ${{ needs.detect-changed-addons.outputs.changedAddons != '' && needs.detect-changed-addons.outputs.changedAddons != '[]' }}
    needs: [detect-changed-addons, build]
    runs-on: ubuntu-latest
    strategy:
      matrix:
        addon: ${{ fromJSON(needs.detect-changed-addons.outputs.changedAddons) }}
    steps:
      - uses: actions/checkout@v6
        with:
          fetch-depth: 1
      - name: Update changelog for minor versions
        run: |
          echo "Starting"
          git pull || true
          cd "${{ matrix.addon }}"
          if [ -f config.yaml ]; then
            version="$(sed -e '/version/!d' -e 's/.*version: //' config.yaml)"
          elif [ -f config.json ]; then
            version="$(sed -e '/version/!d' -e 's/.*[^"]*"\([^"]*\)"/\1/' config.json)"
            version="${version//,}"
          else
            exit 1
          fi
          version="${version//\"/}"
          version="${version//\'/}"
          version="$(echo "$version" | xargs)"
          if [[ "$version" == *"test"* ]]; then exit 0; fi
          touch CHANGELOG.md
          if ! grep -q "$version" CHANGELOG.md; then
            first_line="$(sed -n '/./p' CHANGELOG.md | head -n 1)"
            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 if needed
        uses: EndBug/add-and-commit@v10
        with:
          commit: -u
          message: "GitHub bot: changelog"
          default_author: github_actions
          pull: --rebase --autostash
          fetch: --force
          push: --force

  # 6. Revert if workflow fails
  revert-on-failure:
    if: failure()
    needs: [detect-changed-addons, prebuild-sanitize, lint_config, build]
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v6
        with:
          fetch-depth: 0
  
      - name: Revert the triggering commit
        run: |
          git config --global user.name "GitHub Actions"
          git config --global user.email "actions@github.com"
          git fetch origin
          git checkout master
          git pull origin master
          git revert --no-commit ${{ github.sha }}
          git commit -m "Revert '${{ github.event.head_commit.message }}' [nobuild]"
          git push origin master