name: Cleanup Old Releases

on:
  workflow_dispatch:
    inputs:
      keep_app_releases:
        description: 'Number of app releases to keep'
        required: false
        default: '3'
      keep_sidecar_releases:
        description: 'Number of sidecar releases to keep'
        required: false
        default: '2'
      dry_run:
        description: 'Dry run (show what would be deleted without deleting)'
        required: false
        default: 'true'

jobs:
  cleanup:
    name: Cleanup Old Releases
    runs-on: ubuntu-latest
    steps:
      - name: Cleanup releases
        env:
          BUILD_TOKEN: ${{ secrets.BUILD_TOKEN }}
        run: |
          REPO_API="${GITHUB_SERVER_URL}/api/v1/repos/${GITHUB_REPOSITORY}"
          KEEP_APP="${{ inputs.keep_app_releases }}"
          KEEP_SIDECAR="${{ inputs.keep_sidecar_releases }}"
          DRY_RUN="${{ inputs.dry_run }}"

          echo "=== Cleanup Configuration ==="
          echo "Keep app releases: ${KEEP_APP}"
          echo "Keep sidecar releases: ${KEEP_SIDECAR}"
          echo "Dry run: ${DRY_RUN}"
          echo ""

          # Fetch all releases
          ALL_RELEASES=$(curl -s -H "Authorization: token ${BUILD_TOKEN}" \
            "${REPO_API}/releases?limit=50")

          # ── App releases (v* tags, not sidecar-v*) ──
          echo "=== App Releases ==="
          APP_RELEASES=$(echo "$ALL_RELEASES" | jq -c '[.[] | select(.tag_name | startswith("v")) | select(.tag_name | startswith("sidecar") | not)]')
          APP_TOTAL=$(echo "$APP_RELEASES" | jq 'length')
          echo "Found ${APP_TOTAL} app releases, keeping ${KEEP_APP}"

          if [ "$APP_TOTAL" -gt "$KEEP_APP" ]; then
            echo "$APP_RELEASES" | jq -c ".[$KEEP_APP:][]" | while read -r release; do
              ID=$(echo "$release" | jq -r '.id')
              TAG=$(echo "$release" | jq -r '.tag_name')
              SIZE=$(echo "$release" | jq '[.assets[]?.size // 0] | add // 0')
              SIZE_MB=$(echo "scale=1; $SIZE / 1048576" | bc 2>/dev/null || echo "?")

              # Protect v1.4.0 (last pre-Tauri release)
              if [ "$TAG" = "v1.4.0" ]; then
                echo "  PROTECT ${TAG} (${SIZE_MB} MB)"
                continue
              fi

              if [ "$DRY_RUN" = "true" ]; then
                echo "  WOULD DELETE ${TAG} (ID: ${ID}, ${SIZE_MB} MB)"
              else
                echo "  DELETING ${TAG} (ID: ${ID}, ${SIZE_MB} MB)..."
                curl -s -X DELETE -H "Authorization: token ${BUILD_TOKEN}" \
                  "${REPO_API}/releases/${ID}"
              fi
            done
          else
            echo "  Nothing to clean up"
          fi

          echo ""

          # ── Sidecar releases (sidecar-v* tags) ──
          echo "=== Sidecar Releases ==="
          SIDECAR_RELEASES=$(echo "$ALL_RELEASES" | jq -c '[.[] | select(.tag_name | startswith("sidecar-v"))]')
          SIDECAR_TOTAL=$(echo "$SIDECAR_RELEASES" | jq 'length')
          echo "Found ${SIDECAR_TOTAL} sidecar releases, keeping ${KEEP_SIDECAR}"

          if [ "$SIDECAR_TOTAL" -gt "$KEEP_SIDECAR" ]; then
            echo "$SIDECAR_RELEASES" | jq -c ".[$KEEP_SIDECAR:][]" | while read -r release; do
              ID=$(echo "$release" | jq -r '.id')
              TAG=$(echo "$release" | jq -r '.tag_name')
              SIZE=$(echo "$release" | jq '[.assets[]?.size // 0] | add // 0')
              SIZE_MB=$(echo "scale=1; $SIZE / 1048576" | bc 2>/dev/null || echo "?")

              if [ "$DRY_RUN" = "true" ]; then
                echo "  WOULD DELETE ${TAG} (ID: ${ID}, ${SIZE_MB} MB)"
              else
                echo "  DELETING ${TAG} (ID: ${ID}, ${SIZE_MB} MB)..."
                curl -s -X DELETE -H "Authorization: token ${BUILD_TOKEN}" \
                  "${REPO_API}/releases/${ID}"
              fi
            done
          else
            echo "  Nothing to clean up"
          fi

          echo ""
          echo "=== Done ==="