name: 发布 skill

# 推送与 v* 匹配的 annotated tag 时，将 skill/ 目录打包为 ZIP 文件，并发布到当前仓库的 Release。
# ZIP 根目录直接包含 SKILL.md；Release 正文使用 annotated tag message。

on:
  push:
    tags:
      - "v*"

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: 检出源代码
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: 读取版本说明并打包 skill
        id: pack
        run: |
          set -eu

          tag_ref="refs/tags/$GITHUB_REF_NAME"
          # actions/checkout may replace an annotated tag ref with its peeled commit
          # when a branch has the same name. Fetch the full tag ref again before
          # reading its object type and message.
          git fetch --force origin "$tag_ref:$tag_ref"
          object_type=$(git cat-file -t "$tag_ref")
          test "$object_type" = tag || {
            echo "发布 tag 必须是 annotated tag，当前对象类型：$object_type"
            exit 1
          }

          git for-each-ref "$tag_ref" --format='%(contents)' > release-message.md
          test -s release-message.md || {
            echo "annotated tag message 为空"
            exit 1
          }

          name=$(sed -n 's/^name:[[:space:]]*//p' skill/SKILL.md | head -1)
          test -n "$name" || {
            echo "无法从 skill/SKILL.md 读取 name 字段"
            exit 1
          }

          (cd skill && zip -qr "../$name.zip" .)
          echo "name=$name" >> "$GITHUB_OUTPUT"
          echo "已生成 ZIP 文件：$name.zip"
          echo "ZIP 文件清单："
          unzip -l "$name.zip"

      - name: 创建 Release 并上传附件
        env:
          TOKEN: ${{ secrets.GITHUB_TOKEN }}
          API: ${{ github.server_url }}/api/v1/repos/${{ github.repository }}
          TAG: ${{ github.ref_name }}
          ZIP: ${{ steps.pack.outputs.name }}.zip
        run: |
          set -eu

          payload=$(python3 - <<'PY'
          import json
          import os
          from pathlib import Path

          print(json.dumps({
              "tag_name": os.environ["TAG"],
              "name": os.environ["TAG"],
              "body": Path("release-message.md").read_text(encoding="utf-8").rstrip(),
          }))
          PY
          )

          response=$(curl -fsS -X POST "$API/releases" \
                     -H "Authorization: token $TOKEN" \
                     -H "Content-Type: application/json" \
                     -d "$payload")
          id=$(printf '%s' "$response" | python3 -c 'import json, sys; print(json.load(sys.stdin)["id"])')

          curl -fsS -X POST "$API/releases/$id/assets?name=$ZIP" \
            -H "Authorization: token $TOKEN" \
            -F "attachment=@$ZIP"
          echo "已发布 Release：$TAG"
          echo "已上传附件：$ZIP"