name: offline-release

on:
  workflow_dispatch:
    inputs:
      base_ref:
        description: "Optional base ref for impact diff, defaults to HEAD^"
        required: false
      include_infra:
        description: "Whether to pack infra bundle too"
        required: false
        default: "false"

jobs:
  package-and-deploy:
    runs-on: build-host
    steps:
      - name: Prepare local worktree
        env:
          SMARTFLOW_REPO_SLUG: ${{ gitea.repository }}
          SMARTFLOW_REPO_SHA: ${{ gitea.sha }}
        shell: bash
        run: |
          set -euo pipefail
          repo_slug="${SMARTFLOW_REPO_SLUG,,}"
          bare_repo="/srv/gitea/data/gitea/data/gitea-repositories/${repo_slug}.git"
          worktree_root="/tmp/smartflow-actions"
          worktree="${worktree_root}/${SMARTFLOW_REPO_SHA}"
          if [[ ! -d "${bare_repo}" ]]; then
            echo "gitea bare repo not found: ${bare_repo}" >&2
            exit 65
          fi
          rm -rf "${worktree}"
          mkdir -p "${worktree_root}"
          git clone --no-checkout "${bare_repo}" "${worktree}"
          git -C "${worktree}" checkout --force "${SMARTFLOW_REPO_SHA}"
          git -C "${worktree}" clean -dffx
          app_tag="$(git -C "${worktree}" rev-parse --short=12 HEAD)"
          {
            echo "APP_TAG=${app_tag}"
            echo "SMARTFLOW_WORKTREE=${worktree}"
          } >> "${GITHUB_ENV}"

      - name: Resolve release base
        shell: bash
        run: |
          set -euo pipefail
          cd "${SMARTFLOW_WORKTREE}"
          BASE_REF="${{ inputs.base_ref }}"
          if [[ -z "${BASE_REF}" ]] && git rev-parse --verify --quiet HEAD^ >/dev/null; then
            BASE_REF="$(git rev-parse HEAD^)"
          fi
          echo "BASE_REF=${BASE_REF}" >> "${GITHUB_ENV}"

      - name: Build release plan
        shell: bash
        run: |
          set -euo pipefail
          cd "${SMARTFLOW_WORKTREE}"
          ./deploy/impact-rules.sh "${BASE_REF:-}" HEAD deploy/release-plan.env
          cat deploy/release-plan.env

      - name: Pack docker images
        shell: bash
        run: |
          set -euo pipefail
          cd "${SMARTFLOW_WORKTREE}"
          source deploy/release-plan.env
          args=(--app-tag "${APP_TAG}")
          if [[ "${SMARTFLOW_BUILD_BACKEND}" != "1" ]]; then
            args+=(--skip-backend)
          fi
          if [[ "${SMARTFLOW_BUILD_FRONTEND}" != "1" ]]; then
            args+=(--skip-frontend)
          fi
          if [[ "${{ inputs.include_infra }}" == "true" ]]; then
            args+=(--include-infra)
          fi
          ./deploy/docker-pack.sh "${args[@]}"

      - name: Stage release directory
        shell: bash
        run: |
          set -euo pipefail
          cd "${SMARTFLOW_WORKTREE}"
          ./deploy/stage-release.sh \
            --release-dir ".release/${APP_TAG}" \
            --plan-file "deploy/release-plan.env" \
            --bundle-dir ".docker-bundles"

      - name: Materialize release directory
        shell: bash
        run: |
          set -euo pipefail
          cd "${SMARTFLOW_WORKTREE}"
          release_root="/srv/smartflow/releases/${APP_TAG}"
          release_archive="/srv/smartflow/releases/${APP_TAG}.tgz"
          mkdir -p /srv/smartflow/releases
          rm -f "${release_archive}"
          tar -C ".release/${APP_TAG}" -czf "${release_archive}" .
          rm -rf "${release_root}"
          mkdir -p "${release_root}"
          tar -xzf "${release_archive}" -C "${release_root}"
          rm -f "${release_archive}"

      - name: Trigger deploy
        shell: bash
        run: |
          set -euo pipefail
          smartflow-release deploy "${APP_TAG}"

      - name: Cleanup worktree
        if: ${{ always() }}
        shell: bash
        run: |
          set -euo pipefail
          if [[ -n "${SMARTFLOW_WORKTREE:-}" && "${SMARTFLOW_WORKTREE}" == /tmp/smartflow-actions/* ]]; then
            rm -rf "${SMARTFLOW_WORKTREE}"
          fi