name: Update 7-Zip Binaries

on:
  schedule:
    - cron: '0 0 * * *'  # Daily at midnight UTC
  workflow_dispatch:  # Allow manual trigger

jobs:
  update:
    runs-on: ubuntu-latest  # Adjust to your runner OS
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITEA_TOKEN }}

      - name: Set up environment
        run: |
          # Install dependencies (e.g., curl, git)
          sudo apt-get update && sudo apt-get install -y curl git jq
          # Ensure 7zz is available for extraction (download latest if not in PATH)
          if ! command -v 7zz &> /dev/null; then
            curl -L https://github.com/ip7z/7zip/releases/latest/download/7zz -o /tmp/7zz
            chmod +x /tmp/7zz
            export PATH="/tmp:$PATH"
          fi

      - name: Fetch latest release
        id: release
        run: |
          RELEASE_INFO=$(curl -s -H "Accept: application/vnd.github+json" \
            -H "Authorization: token ${{ secrets.GH_TOKEN || '' }}" \
            https://api.github.com/repos/ip7z/7zip/releases/latest)
          
          VERSION=$(echo "$RELEASE_INFO" | jq -r .tag_name | sed 's/v//')  # e.g., 25.01
          ASSETS=$(echo "$RELEASE_INFO" | jq -r '.assets[] | "\(.name)|\(.browser_download_url)|\(.size)"')
          
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "assets<<EOF" >> $GITHUB_OUTPUT
          echo "$ASSETS" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Download and extract binary
        if: steps.release.outputs.version != ''
        run: |
          VERSION=${{ steps.release.outputs.version }}
          mkdir -p /app/7zip/$VERSION
          
          # Find binary asset (prefer .7z or .tar.gz containing 7zz)
          ASSET_URL=""
          while IFS='|' read -r name url size; do
            if [[ "$name" == *.7z || "$name" == *.tar.gz ]]; then
              ASSET_URL="$url"
              ASSET_NAME="$name"
              break
            fi
          done <<< "${{ steps.release.outputs.assets }}"
          
          if [ -z "$ASSET_URL" ]; then
            echo "No binary asset found, skipping."
            exit 0
          fi
          
          echo "Downloading $ASSET_NAME..."
          curl -L -o /tmp/asset "$ASSET_URL"
          
          echo "Extracting 7zz..."
          cd /tmp
          if [[ "$ASSET_NAME" == *.7z ]]; then
            7zz x asset 7zz -o/app/7zip/$VERSION/
          elif [[ "$ASSET_NAME" == *.tar.gz ]]; then
            tar -xzf asset --wildcards '*7zz*' -C /app/7zip/$VERSION/ || (echo "Extraction failed, may not contain 7zz"; exit 1)
          fi
          
          chmod +x /app/7zip/$VERSION/7zz
          echo "Saved 7zz to /app/7zip/$VERSION/"

      - name: Commit changes
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          
          BRANCH="update-7zip-${{ steps.release.outputs.version }}"
          git checkout -b $BRANCH
          git add /app/7zip/ || true  # Add if changes detected
          git commit -m "Update 7-Zip to version ${{ steps.release.outputs.version }}" || echo "No changes to commit"
          git push origin $BRANCH

      - name: Create Pull Request
        if: steps.release.outputs.version != ''
        run: |
          BRANCH="update-7zip-${{ steps.release.outputs.version }}"
          curl -X POST \
            -H "Authorization: token ${{ secrets.GITEA_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d '{
              "title": "Update 7-Zip to version ${{ steps.release.outputs.version }}",
              "body": "Automated update of 7zz binary from GitHub release.",
              "head": "'$BRANCH'",
              "base": "main"
            }' \
            ${{ secrets.GITEA_INSTANCE_URL || 'https://gitea.com' }}/api/v1/repos/${{ github.repository }}/pulls