name: "CI: Release Reminder"

on:
  pull_request:
    types: [opened, synchronize, labeled, unlabeled]

jobs:
  release-reminder:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Check for publishable changes and remind
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          PR_NUMBER="${{ github.event.pull_request.number }}"
          REPO="${{ github.repository }}"

          # Get changed files in this PR
          CHANGED_FILES=$(gh pr diff "$PR_NUMBER" --repo "$REPO" --name-only 2>/dev/null || true)

          if [ -z "$CHANGED_FILES" ]; then
            exit 0
          fi

          # Map paths to publishable services
          declare -A PATH_TO_SERVICE=(
            ["libs/python/cua-cli/"]="pypi/cli"
            ["libs/python/cua-auto/"]="pypi/auto"
            ["libs/python/agent/"]="pypi/agent"
            ["libs/python/computer/"]="pypi/computer"
            ["libs/python/core/"]="pypi/core"
            ["libs/python/som/"]="pypi/som"
            ["libs/python/bench-ui/"]="pypi/bench-ui"
            ["libs/cua-bench/"]="pypi/bench"
            ["libs/python/computer-server/"]="pypi/computer-server"
            ["libs/python/mcp-server/"]="pypi/mcp-server"
            ["libs/typescript/cua-cli/"]="npm/cli"
            ["libs/typescript/computer/"]="npm/computer"
            ["libs/typescript/core/"]="npm/core"
            ["libs/typescript/playground/"]="npm/playground"
            ["libs/cuabot/"]="npm/cuabot"
            ["libs/xfce/"]="docker/xfce"
            ["libs/kasm/"]="docker/kasm"
            ["libs/lumier/"]="docker/lumier"
            ["libs/qemu-docker/android/"]="docker/qemu-android"
            ["libs/qemu-docker/linux/"]="docker/qemu-linux"
            ["libs/qemu-docker/windows/"]="docker/qemu-windows"
            ["libs/lume/"]="lume"
            ["libs/cua-driver/rust/"]="cua-driver-rs"
          )

          # Find affected services
          AFFECTED=()
          for path_prefix in "${!PATH_TO_SERVICE[@]}"; do
            if echo "$CHANGED_FILES" | grep -q "^${path_prefix}"; then
              AFFECTED+=("${PATH_TO_SERVICE[$path_prefix]}")
            fi
          done

          # Deduplicate and sort
          IFS=$'\n' AFFECTED=($(printf '%s\n' "${AFFECTED[@]}" | sort -u)); unset IFS

          if [ ${#AFFECTED[@]} -eq 0 ]; then
            echo "No publishable packages affected."
            exit 0
          fi

          # Check which ones already have release labels
          LABELS='${{ toJSON(github.event.pull_request.labels.*.name) }}'
          HAS_NO_RELEASE=false
          if echo "$LABELS" | grep -q '"no-release"'; then
            HAS_NO_RELEASE=true
          fi

          LABELED=()
          UNLABELED=()
          for svc in "${AFFECTED[@]}"; do
            if echo "$LABELS" | grep -q "\"release:${svc}\""; then
              LABELED+=("$svc")
            else
              UNLABELED+=("$svc")
            fi
          done

          # Build comment body
          COMMENT_MARKER="<!-- release-reminder -->"
          BODY="${COMMENT_MARKER}\n"
          BODY+="### 📦 Publishable packages changed\n\n"

          if [ ${#LABELED[@]} -gt 0 ]; then
            for svc in "${LABELED[@]}"; do
              BODY+="- [x] \`${svc}\` — will auto-release on merge\n"
            done
          fi

          if [ ${#UNLABELED[@]} -gt 0 ]; then
            for svc in "${UNLABELED[@]}"; do
              if [ "$HAS_NO_RELEASE" = "true" ]; then
                BODY+="- [x] ~\`${svc}\`~ — skipped (no-release)\n"
              else
                BODY+="- [ ] \`${svc}\`\n"
              fi
            done
          fi

          if [ "$HAS_NO_RELEASE" = "false" ] && [ ${#UNLABELED[@]} -gt 0 ]; then
            BODY+="\nAdd \`release:<service>\` labels to auto-release on merge"
            BODY+=" (+ optional \`bump:minor\` or \`bump:major\`, default is patch)."
            BODY+="\nOr add \`no-release\` to skip."
          fi

          if printf '%s\n' "${AFFECTED[@]}" | grep -qx 'cua-driver-rs'; then
            BODY+="\n\n### cua-driver desktop release validation\n\n"
            BODY+="Before adding the release label, a maintainer records green runs on the exact release SHA:\n"
            BODY+="- [ ] [Windows canonical matrix](https://github.com/${REPO}/actions/workflows/e2e-rust-windows.yml)\n"
            BODY+="- [ ] macOS logged-in host: \`scripts/ci/macos/run-rust-e2e.sh\`, with the typed summary attached to the PR\n"
            BODY+="- [ ] [Linux X11 canonical matrix](https://github.com/${REPO}/actions/workflows/e2e-rust-linux.yml)\n"
            BODY+="- [ ] [Linux Sway canonical matrix](https://github.com/${REPO}/actions/workflows/e2e-rust-linux-wayland.yml) with environment \`sway\`\n"
            BODY+="- [ ] Result links and remaining experimental environment gaps are recorded in the PR\n"
          fi

          # Delete previous reminder comment if exists, then post new one
          EXISTING_COMMENT_ID=$(gh api "repos/${REPO}/issues/${PR_NUMBER}/comments" \
            --jq ".[] | select(.body | contains(\"${COMMENT_MARKER}\")) | .id" 2>/dev/null | head -1)

          if [ -n "$EXISTING_COMMENT_ID" ]; then
            gh api -X DELETE "repos/${REPO}/issues/${PR_NUMBER}/comments/${EXISTING_COMMENT_ID}" 2>/dev/null || true
          fi

          echo -e "$BODY" | gh pr comment "$PR_NUMBER" --repo "$REPO" --body-file -