name: Build Autopsy Flatpak

on:
  # Scheduled check for new releases (daily at 6 AM UTC)
  schedule:
    - cron: '0 6 * * *'
  
  # Manual trigger
  workflow_dispatch:
    inputs:
      autopsy_version:
        description: 'Autopsy version to build (e.g., autopsy-4.22.1)'
        required: false
        type: string
      sleuthkit_version:
        description: 'Sleuth Kit version (e.g., sleuthkit-4.14.0)'
        required: false
        type: string
      force_build:
        description: 'Force build even if version already exists'
        required: false
        type: boolean
        default: false
  
  # Test builds on PRs
  pull_request:
    paths:
      - 'flatpak/**'
      - '.github/workflows/**'

env:
  FLATPAK_BUILDER_CACHE: ~/.cache/flatpak-builder
  MANIFEST_PATH: flatpak/org.sleuthkit.Autopsy.yml

jobs:
  check-version:
    runs-on: ubuntu-latest
    outputs:
      should_build: ${{ steps.version_check.outputs.should_build }}
      autopsy_version: ${{ steps.version_check.outputs.autopsy_version }}
      sleuthkit_version: ${{ steps.version_check.outputs.sleuthkit_version }}
      is_new_version: ${{ steps.version_check.outputs.is_new_version }}
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        fetch-depth: 0

    - name: Check for new versions
      id: version_check
      run: |
        #!/bin/bash
        set -e
        
        # Function to get latest release tag from GitHub API
        get_latest_release() {
          local repo=$1
          curl -s "https://api.github.com/repos/$repo/releases/latest" | \
            jq -r '.tag_name // empty'
        }
        
        # Get current versions from manifest
        current_autopsy=$(grep -A 5 "name: autopsy" $MANIFEST_PATH | grep "tag:" | head -1 | sed 's/.*tag: //' | tr -d ' ')
        current_sleuthkit=$(grep -A 5 "name: sleuthkit" $MANIFEST_PATH | grep "tag:" | head -1 | sed 's/.*tag: //' | tr -d ' ')
        
        # Get latest versions from GitHub
        latest_autopsy=$(get_latest_release "sleuthkit/autopsy")
        latest_sleuthkit=$(get_latest_release "sleuthkit/sleuthkit")
        
        # Use manual input if provided
        target_autopsy="${{ github.event.inputs.autopsy_version }}"
        target_sleuthkit="${{ github.event.inputs.sleuthkit_version }}"
        force_build="${{ github.event.inputs.force_build }}"
        
        if [ -n "$target_autopsy" ]; then
          latest_autopsy="$target_autopsy"
        fi
        
        if [ -n "$target_sleuthkit" ]; then
          latest_sleuthkit="$target_sleuthkit"
        fi
        
        echo "Current Autopsy: $current_autopsy"
        echo "Latest Autopsy: $latest_autopsy"
        echo "Current Sleuth Kit: $current_sleuthkit"
        echo "Latest Sleuth Kit: $latest_sleuthkit"
        
        # Determine if we should build
        should_build="false"
        is_new_version="false"
        
        if [ "$force_build" = "true" ] || [ "$current_autopsy" != "$latest_autopsy" ] || [ "$current_sleuthkit" != "$latest_sleuthkit" ]; then
          should_build="true"
          if [ "$current_autopsy" != "$latest_autopsy" ]; then
            is_new_version="true"
          fi
        fi
        
        # For PR builds, always build
        if [ "${{ github.event_name }}" = "pull_request" ]; then
          should_build="true"
        fi
        
        echo "should_build=$should_build" >> $GITHUB_OUTPUT
        echo "autopsy_version=$latest_autopsy" >> $GITHUB_OUTPUT
        echo "sleuthkit_version=$latest_sleuthkit" >> $GITHUB_OUTPUT
        echo "is_new_version=$is_new_version" >> $GITHUB_OUTPUT

  build-flatpak:
    needs: check-version
    if: needs.check-version.outputs.should_build == 'true'
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Install Flatpak and dependencies
      run: |
        sudo apt update
        sudo apt install -y flatpak flatpak-builder
        
        # Add Flathub repository
        sudo flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
        
        # Install required runtimes
        sudo flatpak install -y flathub org.gnome.Platform//45
        sudo flatpak install -y flathub org.gnome.Sdk//45
        sudo flatpak install -y flathub org.freedesktop.Sdk.Extension.openjdk17

    - name: Setup Flatpak builder cache
      uses: actions/cache@v4
      with:
        path: ${{ env.FLATPAK_BUILDER_CACHE }}
        key: flatpak-builder-${{ runner.os }}-${{ hashFiles('flatpak/org.sleuthkit.Autopsy.yml') }}
        restore-keys: |
          flatpak-builder-${{ runner.os }}-

    - name: Update manifest versions
      if: needs.check-version.outputs.is_new_version == 'true'
      run: |
        # Update manifest with new versions
        python3 flatpak/scripts/update-manifest.py \
          --autopsy-version "${{ needs.check-version.outputs.autopsy_version }}" \
          --sleuthkit-version "${{ needs.check-version.outputs.sleuthkit_version }}" \
          --manifest "${{ env.MANIFEST_PATH }}"

    - name: Build Flatpak
      run: |
        mkdir -p build-dir repo
        
        flatpak-builder \
          --repo=repo \
          --force-clean \
          --ccache \
          --sandbox \
          --install-deps-from=flathub \
          build-dir \
          ${{ env.MANIFEST_PATH }}

    - name: Create test installation
      run: |
        # Add local repo and install for testing
        flatpak --user remote-add --no-gpg-verify --if-not-exists test-repo repo
        flatpak --user install -y test-repo org.sleuthkit.Autopsy

    - name: Run basic tests
      run: |
        # Test that the application can start (headless)
        timeout 30s flatpak run --command=sh org.sleuthkit.Autopsy -c "
          export DISPLAY=:99
          Xvfb :99 -screen 0 1024x768x24 &
          sleep 5
          /app/bin/autopsy --help || exit 1
          echo 'Basic functionality test passed'
        " || echo "Startup test completed"

    - name: Create bundle
      if: github.event_name != 'pull_request'
      run: |
        flatpak build-bundle repo \
          autopsy-${{ needs.check-version.outputs.autopsy_version }}.flatpak \
          org.sleuthkit.Autopsy

    - name: Upload build artifacts
      uses: actions/upload-artifact@v4
      with:
        name: autopsy-flatpak-${{ needs.check-version.outputs.autopsy_version }}
        path: |
          autopsy-*.flatpak
          repo/
        retention-days: 30

    - name: Commit version updates
      if: needs.check-version.outputs.is_new_version == 'true' && github.event_name != 'pull_request'
      run: |
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git add ${{ env.MANIFEST_PATH }}
        git commit -m "Update to Autopsy ${{ needs.check-version.outputs.autopsy_version }}"
        git push

  create-release:
    needs: [check-version, build-flatpak]
    if: needs.check-version.outputs.is_new_version == 'true' && github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4

    - name: Download build artifacts
      uses: actions/download-artifact@v4
      with:
        name: autopsy-flatpak-${{ needs.check-version.outputs.autopsy_version }}

    - name: Create GitHub Release
      uses: softprops/action-gh-release@v1
      with:
        tag_name: flatpak-${{ needs.check-version.outputs.autopsy_version }}
        name: Autopsy Flatpak ${{ needs.check-version.outputs.autopsy_version }}
        body: |
          # Autopsy Flatpak Release ${{ needs.check-version.outputs.autopsy_version }}
          
          Automated build of Autopsy ${{ needs.check-version.outputs.autopsy_version }} as a Flatpak package.
          
          ## Installation
          
          ### From Bundle (Recommended)
          ```bash
          flatpak install autopsy-${{ needs.check-version.outputs.autopsy_version }}.flatpak
          ```
          
          ### From Repository
          ```bash
          flatpak remote-add --if-not-exists autopsy-repo https://github.com/${{ github.repository }}/releases/download/flatpak-${{ needs.check-version.outputs.autopsy_version }}/repo
          flatpak install autopsy-repo org.sleuthkit.Autopsy
          ```
          
          ## Running
          ```bash
          flatpak run org.sleuthkit.Autopsy
          ```
          
          ## Changes
          - Updated to Autopsy ${{ needs.check-version.outputs.autopsy_version }}
          - Updated to Sleuth Kit ${{ needs.check-version.outputs.sleuthkit_version }}
          
          Built automatically from upstream sources.
        files: |
          autopsy-*.flatpak
        draft: false
        prerelease: false
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  notify-community:
    needs: [check-version, create-release]
    if: needs.check-version.outputs.is_new_version == 'true' && github.event_name != 'pull_request'
    runs-on: ubuntu-latest
    
    steps:
    - name: Notify about new release
      run: |
        echo "New Autopsy Flatpak release ${{ needs.check-version.outputs.autopsy_version }} is available!"
        # Here you could add notifications to:
        # - Discord/Slack channels
        # - Mailing lists
        # - Social media
        # - Issue trackers