# Сборка tdlib_ping: TDLib из исходников (пакета libtdjson в apt часто нет).
# В релиз/артефакт: tar.gz — бинарник + libtdjson.so* (rpath $ORIGIN, можно распаковать в одну папку и запускать).
name: Build tdlib_ping (linux/amd64)

on:
  push:
    branches:
      - "**"
    tags:
      - "*"
  workflow_dispatch:

permissions:
  contents: write

env:
  GO_VERSION: "1.22"
  # Тег в https://github.com/tdlib/td (при необходимости обновите; должен существовать в git).
  TDLIB_REF: "v1.8.0"
  ASSET_BIN: tdlib_ping-linux-amd64
  ASSET_TAR: tdlib_ping-linux-amd64.tar.gz

jobs:
  build-tdlib-ping:
    runs-on: ubuntu-22.04
    timeout-minutes: 60
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 1

      - name: Set up Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y cmake g++ make zlib1g-dev libssl-dev gperf jq git

      - name: Fetch TDLib
        run: |
          set -euo pipefail
          git clone --depth 1 --branch "${TDLIB_REF}" https://github.com/tdlib/td.git td-src

      - name: Build TDLib (tdjson)
        run: |
          set -euo pipefail
          cd td-src
          mkdir -p build
          cd build
          cmake -DCMAKE_BUILD_TYPE=Release ..
          cmake --build . -j"$(nproc)" --target tdjson
          ls -la libtdjson.so* || (find . -name 'libtdjson.so*' -print; exit 1)

      - name: Build tdlib_ping and pack tarball
        run: |
          set -euo pipefail
          ROOT="${GITHUB_WORKSPACE}"
          TDLIB_ROOT="${ROOT}/td-src"
          DIST="${ROOT}/dist"
          mkdir -p "${DIST}"
          shopt -s nullglob
          cp -a "${TDLIB_ROOT}/build"/libtdjson.so* "${DIST}/"
          if ! ls "${DIST}"/libtdjson.so* >/dev/null 2>&1; then
            echo "no libtdjson in ${TDLIB_ROOT}/build"
            find "${TDLIB_ROOT}/build" -name 'libtdjson*' -print || true
            exit 1
          fi
          cd "${ROOT}"
          export CGO_ENABLED=1
          # Исходники: td/telegram/td_json_client.h; сгенерированные заголовки (tdjson_export.h): build/td/telegram/
          export CGO_CFLAGS="-I${TDLIB_ROOT} -I${TDLIB_ROOT}/build"
          export CGO_LDFLAGS="-L${DIST} -Wl,-rpath,\$ORIGIN -ltdjson"
          go build -tags=tdlib -trimpath -ldflags="-s -w" -o "${DIST}/${ASSET_BIN}" ./cmd/tdlib_ping
          chmod +x "${DIST}/${ASSET_BIN}"
          ( cd "${DIST}" && tar -czvf "${ROOT}/${ASSET_TAR}" . )
          ls -la "${ROOT}/${ASSET_TAR}"
          tar -tzvf "${ROOT}/${ASSET_TAR}"
          ldd "${DIST}/${ASSET_BIN}" || true

      # v4+ не поддерживается на Gitea / GHES-совместимых runner'ах; v3 — старый протокол артефактов.
      - name: Upload workflow artifact
        uses: actions/upload-artifact@v3
        with:
          name: ${{ env.ASSET_TAR }}-${{ gitea.sha }}
          path: ${{ env.ASSET_TAR }}
          retention-days: 90

      - name: Create release if needed and upload asset
        if: ${{ startsWith(gitea.ref, 'refs/tags/') }}
        env:
          TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail
          SERVER="${{ gitea.server_url }}"
          SERVER="${SERVER%/}"
          REPO_FULL="${{ gitea.repository }}"
          OWNER="${REPO_FULL%%/*}"
          REPO="${REPO_FULL#*/}"
          TAG="${{ gitea.ref_name }}"
          ASSET_PATH="${{ env.ASSET_TAR }}"
          ASSET_NAME="${{ env.ASSET_TAR }}"

          api() {
            curl -fsS -H "Authorization: token ${TOKEN}" -H "Accept: application/json" "$@"
          }

          code="$(api -o /tmp/rel.json -w "%{http_code}" \
            "${SERVER}/api/v1/repos/${OWNER}/${REPO}/releases/tags/${TAG}")"

          if [ "${code}" = "404" ]; then
            api -X POST "${SERVER}/api/v1/repos/${OWNER}/${REPO}/releases" \
              -H "Content-Type: application/json" \
              -d "{\"tag_name\":\"${TAG}\",\"name\":\"${TAG}\",\"draft\":false}" \
              -o /tmp/rel.json
          elif [ "${code}" != "200" ]; then
            echo "unexpected HTTP ${code} from release-by-tag"
            cat /tmp/rel.json || true
            exit 1
          fi

          release_id="$(jq -r '.id' /tmp/rel.json)"
          if [ "${release_id}" = "null" ] || [ -z "${release_id}" ]; then
            echo "missing release id in response:"
            cat /tmp/rel.json
            exit 1
          fi

          curl -fsS -X POST \
            -H "Authorization: token ${TOKEN}" \
            -H "Accept: application/json" \
            -F "attachment=@${ASSET_PATH};type=application/gzip" \
            "${SERVER}/api/v1/repos/${OWNER}/${REPO}/releases/${release_id}/assets?name=${ASSET_NAME}"