name: Update Code Statistics
on:
  push:
    paths:
      - 'public/code-stats.json'
      - 'public/heatmap.json'
  workflow_dispatch:

jobs:
  sync-stats:
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/catthehacker/ubuntu:act-24.04
    steps:
      - name: Manual Internal Checkout
        run: |
          git clone --filter=blob:none https://git.beane.me/${{ github.repository }}.git .
          git checkout ${{ github.ref_name }}

      - name: Sync with upstream
        run: |
          git fetch origin
          git rebase origin/${{ github.ref_name }}

      - name: Install dependencies
        env:
          DEBIAN_FRONTEND: noninteractive
        run: |
          set -eu

          if ! command -v jq >/dev/null 2>&1 ||
             ! command -v python3 >/dev/null 2>&1; then
            apt-get update
            apt-get install -y --no-install-recommends jq python3
          fi

      - name: Process Statistics and Update README
        run: |
          # Use our own heatmap.json instead of Gitea API
          HEATMAP_FILE="public/heatmap.json"
          TOTAL_COMMITS=$(jq '[.days[] | .count] | add' "$HEATMAP_FILE")

          echo "Global Commit Velocity: $TOTAL_COMMITS"
          echo "COMMIT_VELOCITY=$TOTAL_COMMITS" >> $GITHUB_ENV

          LOC=$(jq -er '.total_code' public/code-stats.json)

          FORMATTED_LOC=$(python3 -c \
            'import sys; print(f"{int(sys.argv[1]):,}")' "$LOC")

          echo "FORMATTED_LOC=$FORMATTED_LOC" >> "$GITHUB_ENV"

          python3 scripts/generate_heatmap_svg.py public/heatmap.json public/heatmap.svg

          sed "s/REPLACE_ME_LOC/$FORMATTED_LOC/g" README.template | \
          sed "s/REPLACE_ME_COMMITS/$TOTAL_COMMITS/g" > README.md

      - name: Commit and Push
        run: |
          git config user.name "Ares-Bot"
          git config user.email "ares@beane.me"
          git add README.md public/heatmap.svg

          if git diff --staged --quiet; then
            echo "No changes to commit"
          else
            git commit -m "chore: sync profile metrics [skip ci]"
            git push https://patrick:${{ secrets.PAT_TOKEN }}@git.beane.me/${{ github.repository }}.git ${{ github.ref_name }}
          fi