name: KISS Auto Package Updater

on:
  schedule:
    # Runs every Sunday at midnight (UTC)
    - cron: '0 0 * * 0'
  # Allows you to trigger this workflow manually from the Actions tab
  workflow_dispatch:

permissions:
  contents: write
  pull-requests: write

jobs:
  update-packages:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
        with:
          # Fetch all history so we can branch cleanly
          fetch-depth: 0

      - name: Set up Git Configuration
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Set up KISS Linux Environment
        run: |
          sudo apt-get update
          sudo apt-get install -y b3sum
          curl -sL https://codeberg.org/kiss-community/kiss/raw/branch/master/contrib/kiss-outdated > /usr/local/bin/kiss-outdated
          curl -sL https://codeberg.org/kiss-community/kiss/raw/branch/master/kiss > /usr/local/bin/kiss
          curl -sL https://raw.githubusercontent.com/echawk/kiss-personal/refs/heads/master/bin/kiss-echecksum > /usr/local/bin/kiss-echecksum
          curl -sL https://raw.githubusercontent.com/echawk/kiss-personal/refs/heads/master/bin/kiss-edownload > /usr/local/bin/kiss-edownload
          chmod +x /usr/local/bin/kiss-outdated
          chmod +x /usr/local/bin/kiss-echecksum
          chmod +x /usr/local/bin/kiss-edownload
          chmod +x /usr/local/bin/kiss
          echo "Setting up KISS environment..."

      - name: Run KISS Auto Updater
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          # Ensure your KISS_PATH is set so `kiss outdated` knows where to look
          KISS_PATH: ${{ github.workspace }}
        run: |
          # Ensure the config file exists
          [ -e ".kiss_auto" ] || { echo "No .kiss_auto found. Exiting."; exit 1; }

          git checkout master

          sort -u ".kiss_auto" | while read -r LINE; do
            # Parse repository directory and packages whitelist
            repodir="${LINE%%,*}"
            pkgs="${LINE##*,}"

            # Convert space-separated packages into a regex list (pkg1|pkg2|pkg3)
            pkg_regex=$(echo "$pkgs" | sed 's/ /|/g')

            # Fetch outdated packages and filter by our whitelist
            # We use || true so grep doesn't exit the script if no matches are found
            outdated_list=$(kiss-outdated "$repodir" | grep -E "($pkg_regex)" || true)

            # If no updates, move to next repo line
            [ -z "$outdated_list" ] && continue

            echo "$outdated_list" | while read -r PKG_LINE; do
              # Parse kiss outdated output
              pkg="${PKG_LINE%% *}"
              newver="${PKG_LINE##* }"

              echo "==> Processing update for $pkg to version $newver"

              # Define branch name
              branch_name="update/${pkg}-${newver}"

              # Check if a PR already exists for this branch to avoid duplicates
              if gh pr list --state open --head "$branch_name" | grep -q "$branch_name"; then
                echo "PR for $branch_name already exists. Skipping."
                continue
              fi

              # Create and switch to a new branch for this specific package update
              git checkout -b "$branch_name" origin/master

              cd "${repodir}/${pkg}"
              read -r oldver oldrel < version

              # Bump version locally
              echo "$newver 1" > version

              # Attempt to download new sources
              if kiss edownload; then
                  # Generate new checksums
                  kiss echecksum

                  # Stage, commit, and push
                  git add .
                  git commit -m "CI: $pkg: bump to $newver"
                  git push origin "$branch_name"

                  # Create the Pull Request using GitHub CLI
                  gh pr create \
                    --title "$pkg: bump to $newver" \
                    --body "Automated update generated by CI. Bumping $pkg from $oldver to $newver." \
                    --base master \
                    --head "$branch_name"
              else
                  echo "==> Failed to download sources for $pkg $newver. Skipping."
              fi

              # Return to workspace root and reset back to main for the next package loop
              cd "${GITHUB_WORKSPACE}"
              git reset --hard
              git checkout master
            done
          done