name: Bump Homebrew Formula

on:
  schedule:
    - cron: "0 * * * *" # every hour
  workflow_dispatch:

jobs:
  bump:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get latest release version
        id: get_release
        run: |
          api="https://api.github.com/repos/darwincereska/notevc/releases/latest"
          response=$(curl -s "$api")
          version=$(echo "$response" | jq -r .tag_name | sed 's/^v//')
          echo "version=$version" >> $GITHUB_OUTPUT

      - name: Get current formula version
        id: get_current
        run: |
          current=$(grep 'version "' Formula/notevc.rb | cut -d'"' -f2)
          echo "current=$current" >> $GITHUB_OUTPUT

      - name: Stop if already up to date
        if: ${{ steps.get_release.outputs.version == steps.get_current.outputs.current }}
        run: |
          echo "Already up to date."
          exit 0

      - name: Download new release binaries
        id: download
        run: |
          version=${{ steps.get_release.outputs.version }}
          mkdir -p tmp
          curl -L -o tmp/notevc-macos-arm64 "https://github.com/darwincereska/notevc/releases/download/v${version}/notevc-macos-arm64"
          curl -L -o tmp/notevc-linux-x64 "https://github.com/darwincereska/notevc/releases/download/v${version}/notevc-linux-x64"
          mac_hash=$(sha256sum tmp/notevc-macos-arm64 | cut -d' ' -f1)
          linux_hash=$(sha256sum tmp/notevc-linux-x64 | cut -d' ' -f1)
          echo "mac_hash=$mac_hash" >> $GITHUB_OUTPUT
          echo "linux_hash=$linux_hash" >> $GITHUB_OUTPUT

      - name: Update Formula file
        run: |
          version=${{ steps.get_release.outputs.version }}
          mac_hash=${{ steps.download.outputs.mac_hash }}
          linux_hash=${{ steps.download.outputs.linux_hash }}

          sed -i "s/version \".*\"/version \"${version}\"/" Formula/notevc.rb
          sed -i "s|notevc/releases/download/v.*/notevc-macos-arm64\"|notevc/releases/download/v${version}/notevc-macos-arm64\"|" Formula/notevc.rb
          sed -i "s|notevc/releases/download/v.*/notevc-linux-x64\"|notevc/releases/download/v${version}/notevc-linux-x64\"|" Formula/notevc.rb

          mac_hash=$(sha256sum tmp/notevc-macos-arm64 | cut -d' ' -f1)
          linux_hash=$(sha256sum tmp/notevc-linux-x64 | cut -d' ' -f1)
          awk -v mac_hash="$mac_hash" -v linux_hash="$linux_hash" '
            /if OS.mac\?/ {print; getline; sub(/sha256 ".*"/, "sha256 \""mac_hash"\""); print; next}
            /elsif OS.linux\?/ {print; getline; sub(/sha256 ".*"/, "sha256 \""linux_hash"\""); print; next}
            {print}
          ' Formula/notevc.rb > Formula/tmp.rb && mv Formula/tmp.rb Formula/notevc.rb

      - name: Commit and push changes
        run: |
          version=${{ steps.get_release.outputs.version }}
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add Formula/notevc.rb
          git diff --quiet && echo "No changes detected." && exit 0
          git commit -m "bump(notevc): updated version to ${version}"
          git push