name: Release

on:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: 检出代码
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # 生成 changelog 需要完整历史

      - name: 校验 tag 与 manifest 版本一致
        run: |
          set -euo pipefail
          TAG="${GITHUB_REF_NAME#v}"
          VERSION=$(python3 -c "import json; print(json.load(open('manifest.json'))['version'])")
          if [ "$TAG" != "$VERSION" ]; then
            echo "::error::tag ${GITHUB_REF_NAME} 与 manifest.json 版本 ${VERSION} 不一致。请先更新 manifest.json 的 version 再打 tag。"
            exit 1
          fi
          echo "VERSION=$VERSION" >> "$GITHUB_ENV"
          echo "版本校验通过: v$VERSION"

      - name: 打包扩展
        run: |
          set -euo pipefail
          ZIP="poplingo-v${VERSION}.zip"
          python3 - "$ZIP" <<'PY'
          import os, sys, zipfile
          zip_name = sys.argv[1]
          items = ['manifest.json', 'background.js', 'README.md', 'content', 'popup', 'options', 'icons']
          with zipfile.ZipFile(zip_name, 'w', zipfile.ZIP_DEFLATED) as z:
              for item in items:
                  if os.path.isfile(item):
                      z.write(item, item)
                  elif os.path.isdir(item):
                      for root, _, files in os.walk(item):
                          for f in files:
                              p = os.path.join(root, f)
                              z.write(p, p)
          names = zipfile.ZipFile(zip_name).namelist()
          assert 'manifest.json' in names, 'zip 缺少 manifest.json'
          print(f'打包完成: {zip_name}（{len(names)} 个文件）')
          PY
          echo "ZIP=$ZIP" >> "$GITHUB_ENV"

      - name: 生成 Release Notes
        run: |
          set -euo pipefail
          PREV_TAG=$(git tag --sort=-creatordate | grep -v "^${GITHUB_REF_NAME}$" | head -1 || true)
          if [ -n "$PREV_TAG" ]; then
            NOTES=$(git log --pretty=format:'- %s' "${PREV_TAG}..${GITHUB_REF_NAME}")
            echo "changelog 范围: ${PREV_TAG}..${GITHUB_REF_NAME}"
          else
            NOTES=$(git log --pretty=format:'- %s')
            echo "首个版本，changelog 包含全部提交"
          fi
          export RELEASE_NOTES="${NOTES:-初始发布}"
          python3 <<'PY'
          import json, os
          body = os.environ['RELEASE_NOTES'] + (
              f"\n\n## 📦 安装\n\n"
              f"1. 下载附件 `poplingo-v{os.environ['VERSION']}.zip` 并解压\n"
              f"2. 打开 `chrome://extensions/`，开启「开发者模式」，「加载已解压的扩展程序」选择解压目录\n"
              f"3. 点击工具栏图标完成模型配置即可使用"
          )
          meta = {
              'tag_name': os.environ['GITHUB_REF_NAME'],
              'name': '译泡 PopLingo v' + os.environ['VERSION'],
              'body': body,
              'draft': False,
              'prerelease': False,
          }
          with open('release_meta.json', 'w') as f:
              json.dump(meta, f, ensure_ascii=False)
          print('release_meta.json 已生成')
          PY

      - name: 创建 Release 并上传附件
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
        run: |
          set -euo pipefail
          API="${GITHUB_API_URL}/repos/${GITHUB_REPOSITORY}"
          curl -sf -X POST "${API}/releases" \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            --data-binary @release_meta.json > release_resp.json
          ID=$(python3 -c 'import json; print(json.load(open("release_resp.json"))["id"])')
          echo "Release 已创建 (id=${ID})"
          curl -sf -X POST "${API}/releases/${ID}/assets?name=${ZIP}" \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -F "attachment=@${ZIP}"
          echo
          echo "✅ 发布完成: ${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}/releases/tag/${GITHUB_REF_NAME}"