name: Update PPA Packages

on:
  workflow_dispatch:
    inputs:
      package:
        description: "Package to upload (dms, dms-git, dms-greeter, or all)"
        required: false
        default: "dms-git"
      rebuild_release:
        description: "Release number for rebuilds (e.g., 2, 3, 4 for ppa2, ppa3, ppa4)"
        required: false
        default: ""
  schedule:
    - cron: "0 */3 * * *" # Every 3 hours for dms-git builds

jobs:
  check-updates:
    name: Check for updates
    runs-on: ubuntu-latest

    outputs:
      has_updates: ${{ steps.check.outputs.has_updates }}
      packages: ${{ steps.check.outputs.packages }}

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Check for updates
        id: check
        run: |
          # Helper function to check dms-git commit
          check_dms_git() {
            local CURRENT_COMMIT=$(git rev-parse --short=8 HEAD)
            local PPA_VERSION=$(curl -s "https://api.launchpad.net/1.0/~avengemedia/+archive/ubuntu/dms-git?ws.op=getPublishedSources&source_name=dms-git&status=Published" | grep -oP '"source_package_version":\s*"\K[^"]+' | head -1 || echo "")
            local PPA_COMMIT=$(echo "$PPA_VERSION" | grep -oP '\.[a-f0-9]{8}' | tr -d '.' || echo "")

            if [[ -n "$PPA_COMMIT" && "$CURRENT_COMMIT" == "$PPA_COMMIT" ]]; then
              echo "📋 dms-git: Commit $CURRENT_COMMIT already exists, skipping"
              return 1  # No update needed
            else
              echo "📋 dms-git: New commit $CURRENT_COMMIT (PPA has ${PPA_COMMIT:-none})"
              return 0  # Update needed
            fi
          }

          # Helper function to check stable package tag
          check_stable_package() {
            local PKG="$1"
            local PPA_NAME="$2"
            # Use git ls-remote to find the latest tag, sorted by version (descending)
            local LATEST_TAG=$(git ls-remote --tags --refs --sort='-v:refname' https://github.com/AvengeMedia/DankMaterialShell.git | head -n1 | awk -F/ '{print $NF}' | sed 's/^v//')
            local PPA_VERSION=$(curl -s "https://api.launchpad.net/1.0/~avengemedia/+archive/ubuntu/$PPA_NAME?ws.op=getPublishedSources&source_name=$PKG&status=Published" | grep -oP '"source_package_version":\s*"\K[^"]+' | head -1 || echo "")
            local PPA_BASE_VERSION=$(echo "$PPA_VERSION" | sed 's/ppa[0-9]*$//')

            if [[ -n "$LATEST_TAG" && "$LATEST_TAG" == "$PPA_BASE_VERSION" ]]; then
              echo "📋 $PKG: Tag $LATEST_TAG already exists, skipping"
              return 1  # No update needed
            else
              echo "📋 $PKG: New tag ${LATEST_TAG:-unknown} (PPA has ${PPA_BASE_VERSION:-none})"
              return 0  # Update needed
            fi
          }

          # Main logic
          REBUILD="${{ github.event.inputs.rebuild_release }}"

          if [[ "${{ github.event_name }}" == "schedule" ]]; then
            # Scheduled run - check dms-git only
            echo "packages=dms-git" >> $GITHUB_OUTPUT
            if check_dms_git; then
              echo "has_updates=true" >> $GITHUB_OUTPUT
            else
              echo "has_updates=false" >> $GITHUB_OUTPUT
            fi

          elif [[ -n "${{ github.event.inputs.package }}" ]]; then
            # Manual workflow trigger
            PKG="${{ github.event.inputs.package }}"

            if [[ -n "$REBUILD" ]]; then
              # Rebuild requested - always proceed
              echo "packages=$PKG" >> $GITHUB_OUTPUT
              echo "has_updates=true" >> $GITHUB_OUTPUT
              echo "🔄 Manual rebuild requested: $PKG (ppa$REBUILD)"

            elif [[ "$PKG" == "all" ]]; then
              # Check each package and build list of those needing updates
              PACKAGES_TO_UPDATE=()
              check_dms_git && PACKAGES_TO_UPDATE+=("dms-git")
              check_stable_package "dms" "dms" && PACKAGES_TO_UPDATE+=("dms")
              check_stable_package "dms-greeter" "danklinux" && PACKAGES_TO_UPDATE+=("dms-greeter")

              if [[ ${#PACKAGES_TO_UPDATE[@]} -gt 0 ]]; then
                echo "packages=${PACKAGES_TO_UPDATE[*]}" >> $GITHUB_OUTPUT
                echo "has_updates=true" >> $GITHUB_OUTPUT
                echo "✓ Packages to update: ${PACKAGES_TO_UPDATE[*]}"
              else
                echo "packages=" >> $GITHUB_OUTPUT
                echo "has_updates=false" >> $GITHUB_OUTPUT
                echo "✓ All packages up to date"
              fi

            elif [[ "$PKG" == "dms-git" ]]; then
              if check_dms_git; then
                echo "packages=$PKG" >> $GITHUB_OUTPUT
                echo "has_updates=true" >> $GITHUB_OUTPUT
              else
                echo "packages=" >> $GITHUB_OUTPUT
                echo "has_updates=false" >> $GITHUB_OUTPUT
              fi

            elif [[ "$PKG" == "dms" ]]; then
              if check_stable_package "dms" "dms"; then
                echo "packages=$PKG" >> $GITHUB_OUTPUT
                echo "has_updates=true" >> $GITHUB_OUTPUT
              else
                echo "packages=" >> $GITHUB_OUTPUT
                echo "has_updates=false" >> $GITHUB_OUTPUT
              fi

            elif [[ "$PKG" == "dms-greeter" ]]; then
              if check_stable_package "dms-greeter" "danklinux"; then
                echo "packages=$PKG" >> $GITHUB_OUTPUT
                echo "has_updates=true" >> $GITHUB_OUTPUT
              else
                echo "packages=" >> $GITHUB_OUTPUT
                echo "has_updates=false" >> $GITHUB_OUTPUT
              fi

            else
              # Unknown package - proceed anyway
              echo "packages=$PKG" >> $GITHUB_OUTPUT
              echo "has_updates=true" >> $GITHUB_OUTPUT
              echo "Manual trigger: $PKG"
            fi
          else
            # Fallback
            echo "packages=dms-git" >> $GITHUB_OUTPUT
            echo "has_updates=true" >> $GITHUB_OUTPUT
          fi

  upload-ppa:
    name: Upload to PPA
    needs: check-updates
    runs-on: ubuntu-latest
    if: needs.check-updates.outputs.has_updates == 'true'

    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: "1.24"
          cache: false

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            debhelper \
            devscripts \
            dput \
            lftp \
            build-essential \
            fakeroot \
            dpkg-dev

      - name: Configure GPG
        env:
          GPG_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
        run: |
          echo "$GPG_KEY" | gpg --import
          GPG_KEY_ID=$(gpg --list-secret-keys --keyid-format LONG | grep sec | awk '{print $2}' | cut -d'/' -f2)
          echo "DEBSIGN_KEYID=$GPG_KEY_ID" >> $GITHUB_ENV

      - name: Determine packages to upload
        id: packages
        run: |
          # Use packages determined by check-updates job
          echo "packages=${{ needs.check-updates.outputs.packages }}" >> $GITHUB_OUTPUT

          if [[ "${{ github.event_name }}" == "schedule" ]]; then
            echo "Triggered by schedule: uploading git package"
          elif [[ -n "${{ github.event.inputs.package }}" ]]; then
            echo "Manual trigger: ${{ needs.check-updates.outputs.packages }}"
          fi

      - name: Upload to PPA
        run: |
          PACKAGES="${{ steps.packages.outputs.packages }}"
          REBUILD_RELEASE="${{ github.event.inputs.rebuild_release }}"

          if [[ -z "$PACKAGES" ]]; then
            echo "✓ No packages need uploading. All up to date!"
            exit 0
          fi

          # Export REBUILD_RELEASE so ppa-build.sh can use it
          if [[ -n "$REBUILD_RELEASE" ]]; then
            export REBUILD_RELEASE
            echo "✓ Using rebuild release number: ppa$REBUILD_RELEASE"
          fi

          # PACKAGES can be space-separated list (e.g., "dms-git dms" from "all" check)
          # Loop through each package and upload
          for PKG in $PACKAGES; do
            # Map package to PPA name
            case "$PKG" in
              dms)
                PPA_NAME="dms"
                ;;
              dms-git)
                PPA_NAME="dms-git"
                ;;
              dms-greeter)
                PPA_NAME="danklinux"
                ;;
              *)
                echo "⚠️ Unknown package: $PKG, skipping"
                continue
                ;;
            esac

            echo ""
            echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
            echo "Uploading $PKG to PPA $PPA_NAME..."
            if [[ -n "$REBUILD_RELEASE" ]]; then
              echo "🔄 Using rebuild release number: ppa$REBUILD_RELEASE"
            fi
            echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
            bash distro/scripts/ppa-upload.sh "$PKG" "$PPA_NAME" questing ${REBUILD_RELEASE:+"$REBUILD_RELEASE"}
          done

      - name: Summary
        if: always()
        run: |
          echo "### PPA Package Upload Summary" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY

          PACKAGES="${{ steps.packages.outputs.packages }}"

          if [[ -z "$PACKAGES" ]]; then
            echo "**Status:** ✅ All packages up to date (no uploads needed)" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY
            echo "All packages are current. Run will complete successfully." >> $GITHUB_STEP_SUMMARY
          else
            echo "**Packages Uploaded:**" >> $GITHUB_STEP_SUMMARY
            echo "" >> $GITHUB_STEP_SUMMARY

            for PKG in $PACKAGES; do
              case "$PKG" in
                dms)
                  echo "- ✅ **dms** → [View builds](https://launchpad.net/~avengemedia/+archive/ubuntu/dms/+packages)" >> $GITHUB_STEP_SUMMARY
                  ;;
                dms-git)
                  echo "- ✅ **dms-git** → [View builds](https://launchpad.net/~avengemedia/+archive/ubuntu/dms-git/+packages)" >> $GITHUB_STEP_SUMMARY
                  ;;
                dms-greeter)
                  echo "- ✅ **dms-greeter** → [View builds](https://launchpad.net/~avengemedia/+archive/ubuntu/danklinux/+packages)" >> $GITHUB_STEP_SUMMARY
                  ;;
              esac
            done

            echo "" >> $GITHUB_STEP_SUMMARY

            if [[ -n "${{ github.event.inputs.rebuild_release }}" ]]; then
              echo "**Rebuild Number:** ppa${{ github.event.inputs.rebuild_release }}" >> $GITHUB_STEP_SUMMARY
              echo "" >> $GITHUB_STEP_SUMMARY
            fi

            echo "Builds will appear once Launchpad processes the uploads." >> $GITHUB_STEP_SUMMARY
          fi