"""
更新统计服务API
提供管理端更新统计信息查询服务
"""
from fastapi import APIRouter

router = APIRouter()

# 模拟版本信息存储（实际应该存储在数据库中）
CURRENT_VERSION = "1.0.0"
UPDATE_INFO = {
    "version": "1.0.1",
    "notes": "修复了扫货功能bug，提升了稳定性",
    "pub_date": "2026-01-01T10:00:00Z",
    "platforms": {
        "windows-x86_64": {
            "signature": "更新包数字签名",
            "url": "https://api.youdangdang.com/updates/windows-x86_64/1.0.1/update.exe",
            "size": 52428800  # 50MB
        },
        "darwin-x86_64": {
            "signature": "更新包数字签名",
            "url": "https://api.youdangdang.com/updates/darwin-x86_64/1.0.1/update.dmg",
            "size": 67108864  # 64MB
        },
        "linux-x86_64": {
            "signature": "更新包数字签名",
            "url": "https://api.youdangdang.com/updates/linux-x86_64/1.0.1/update.AppImage",
            "size": 41943040  # 40MB
        }
    }
}


@router.get("/updates/stats")
async def get_update_stats():
    """
    获取更新统计信息（管理员接口）

    Returns:
        更新统计数据
    """
    # 实际实现中，从数据库查询更新统计信息

    return {
        "current_version": CURRENT_VERSION,
        "latest_version": UPDATE_INFO["version"],
        "total_users": 1000,
        "updated_users": 850,
        "update_rate": "85%",
        "platforms": {
            "windows": {"users": 600, "updated": 520},
            "macos": {"users": 300, "updated": 280},
            "linux": {"users": 100, "updated": 50}
        }
    }