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

jobs:
  sync-stats:
    runs-on: sh
    steps:
      - name: Manual Internal Checkout
        run: |
          git clone --filter=blob:none http://gitea-http:3000/${{ github.repository }}.git .
          git checkout ${{ github.ref_name }}

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

      - name: Process Statistics and Update README
        run: |
          if ! command -v jq &> /dev/null; then
            if command -v apk &> /dev/null; then apk add --no-cache jq;
            elif command -v apt-get &> /dev/null; then apt-get update && apt-get install -y jq; fi
          fi

          USER_URL="http://gitea-http:3000/api/v1/users/patrick/heatmap?limit=1000"

          RAW_DATA=$(wget -qO- --header="Authorization: token ${{ secrets.PAT_TOKEN }}" "$USER_URL")
          TOTAL_COMMITS=$(echo "$RAW_DATA" | jq '. | map(.contributions) | add')

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

          LOC=$(grep '"total_code"' public/code-stats.json | sed 's/[^0-9]*//g')
          FORMATTED_LOC=$(printf "%'d" $LOC)
          echo "FORMATTED_LOC=$FORMATTED_LOC" >> $GITHUB_ENV

          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

          if git diff --staged --quiet; then
            echo "No changes to commit"
          else
            git commit -m "chore: sync code velocity to ${{ env.FORMATTED_LOC }} LOC [skip ci]"
            git push http://patrick:${{ secrets.PAT_TOKEN }}@gitea-http:3000/${{ github.repository }}.git ${{ github.ref_name }}
          fi