name: Deploy

on:
  push:
    tags:
      - "[0-9]+.[0-9]+.[0-9]+"
      - "v[0-9]+.[0-9]+.[0-9]+"
  release:
    types:
      - published
  workflow_dispatch:
    inputs:
      version:
        description: "Plugin version to install (e.g. 2026.6.1). Leave blank to use the release tag."
        required: false
        default: ""
      force:
        description: "Reinstall even if the same version is already installed."
        required: false
        default: "false"
        type: choice
        options:
          - "false"
          - "true"

concurrency:
  group: openclaw-deploy
  cancel-in-progress: false

permissions:
  contents: read

jobs:
  install-on-host:
    name: Update plugin on ubuntu@openclaw.svc.plus
    runs-on: ubuntu-latest
    env:
      SSH_HOST: ubuntu@openclaw.svc.plus
      PLUGIN_NAME: openclaw-multi-session-plugins
    steps:
      - name: Resolve target version
        id: version
        run: |
          set -euo pipefail
          if [ -n "${{ inputs.version }}" ]; then
            value="${{ inputs.version }}"
          else
            ref="${GITHUB_REF_NAME:-}"
            value="${ref}"
          fi
          value="${value##*/}"
          value="${value#v}"
          if ! [[ "${value}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "::error::Resolved value '${value}' is not a valid X.Y.Z version"
            exit 1
          fi
          if [ -z "${value}" ]; then
            echo "::error::Could not resolve plugin version from inputs or GITHUB_REF_NAME"
            exit 1
          fi
          echo "value=${value}" >> "$GITHUB_OUTPUT"
          echo "Resolved plugin version: ${value}"

      - name: Verify version is published to npm
        env:
          VERSION: ${{ steps.version.outputs.value }}
        run: |
          set -euo pipefail
          PACKAGE="${PLUGIN_NAME}@${VERSION}"
          if ! npm view "${PACKAGE}" version >/dev/null 2>&1; then
            echo "::error::${PACKAGE} is not published to npm yet. Run the Publish workflow first."
            exit 1
          fi
          PUBLISHED="$(npm view "${PACKAGE}" version)"
          echo "::notice::${PLUGIN_NAME}@${PUBLISHED} is available on npm"

      - name: Configure SSH key
        run: |
          set -euo pipefail
          if [ -z "${{ secrets.OPENCLAW_SSH_KEY }}" ]; then
            echo "::error::Secret OPENCLAW_SSH_KEY is not set."
            exit 1
          fi
          install -m 700 -d ~/.ssh
          printf '%s' "${{ secrets.OPENCLAW_SSH_KEY }}" > ~/.ssh/openclaw_ed25519
          chmod 600 ~/.ssh/openclaw_ed25519
          ssh-keyscan -H openclaw.svc.plus >> ~/.ssh/known_hosts 2>/dev/null || true

      - name: Verify SSH connectivity
        run: |
          ssh -i ~/.ssh/openclaw_ed25519 -o BatchMode=yes -o ConnectTimeout=10 \
            "${SSH_HOST}" 'echo "connected to $(hostname) as $(whoami)"'

      - name: Install or update plugin on remote host
        env:
          VERSION: ${{ steps.version.outputs.value }}
          FORCE: ${{ inputs.force || 'false' }}
        run: |
          ssh -i ~/.ssh/openclaw_ed25519 -o BatchMode=yes -o ServerAliveInterval=30 \
            "${SSH_HOST}" bash -s -- "${VERSION}" "${FORCE}" <<'REMOTE'
          set -euo pipefail
          VERSION="$1"
          FORCE="$2"
          PACKAGE="${PLUGIN_NAME}@${VERSION}"
          STATE_DIR="/tmp/openclaw-deploy"
          mkdir -p "${STATE_DIR}"

          echo "==> Installing ${PACKAGE} on $(hostname) (force=${FORCE})"

          # Record the previously installed version for rollback.
          PREVIOUS_VERSION=""
          if command -v openclaw >/dev/null 2>&1; then
            PREVIOUS_VERSION="$(npm ls -g "${PLUGIN_NAME}" --depth=0 2>/dev/null \
              | awk -F'[@:]' '/'"${PLUGIN_NAME}"'@/ {print $2; exit}' || true)"
          fi
          echo "==> Previously installed version: ${PREVIOUS_VERSION:-<none>}"

          # Skip when the requested version is already present unless forced.
          if [ "${FORCE}" != "true" ] && [ "${PREVIOUS_VERSION}" = "${VERSION}" ]; then
            echo "==> ${PACKAGE} already installed and force=false; nothing to do"
            exit 0
          fi

          printf '%s\n' "${PREVIOUS_VERSION}" > "${STATE_DIR}/previous-version"

          rollback() {
            local rc=$?
            echo "::remote-error::Install failed (exit ${rc}); attempting rollback"
            local prev
            prev="$(cat "${STATE_DIR}/previous-version" 2>/dev/null || true)"
            if [ -n "${prev}" ] && [ "${prev}" != "${VERSION}" ]; then
              echo "::remote-warning::Reinstalling ${PLUGIN_NAME}@${prev}"
              npm install -g "${PLUGIN_NAME}@${prev}" || true
              if command -v openclaw >/dev/null 2>&1; then
                openclaw plugins enable "${PLUGIN_NAME}" || true
              fi
            else
              echo "::remote-warning::No previous version recorded; leaving host as-is"
            fi
            exit "${rc}"
          }
          trap rollback ERR

          install_plugin() {
            if command -v openclaw >/dev/null 2>&1; then
              openclaw plugins install "${PACKAGE}" \
                || openclaw plugins update "${PACKAGE}" \
                || npm install -g "${PACKAGE}"
            else
              npm install -g "${PACKAGE}"
            fi
          }

          install_plugin

          if command -v openclaw >/dev/null 2>&1; then
            openclaw plugins enable "${PLUGIN_NAME}" || true
          fi

          # Verify the installed version matches the requested version.
          INSTALLED="$(npm ls -g "${PLUGIN_NAME}" --depth=0 2>/dev/null \
            | awk -F'[@:]' '/'"${PLUGIN_NAME}"'@/ {print $2; exit}' || true)"
          if [ "${INSTALLED}" != "${VERSION}" ]; then
            echo "::remote-error::Verification failed: expected ${VERSION}, found ${INSTALLED:-<none>}"
            exit 1
          fi

          trap - ERR
          rm -f "${STATE_DIR}/previous-version"

          echo "==> Installed plugin state:"
          if command -v openclaw >/dev/null 2>&1; then
            openclaw plugins info "${PLUGIN_NAME}" || true
          fi
          npm ls -g "${PLUGIN_NAME}" || true
          echo "==> ${PACKAGE} is now active on $(hostname)"
          REMOTE

      - name: Summarize deploy
        if: always()
        env:
          VERSION: ${{ steps.version.outputs.value }}
        run: |
          if [ "${{ job.status }}" = "success" ]; then
            echo "::notice::openclaw-multi-session-plugins@${VERSION} deployed to ubuntu@openclaw.svc.plus"
          else
            echo "::error::Deploy to ubuntu@openclaw.svc.plus failed for openclaw-multi-session-plugins@${VERSION}"
            exit 1
          fi