package host_info

import (
	"cmii-uav-watchdog-common/models"
	"cmii-uav-watchdog-common/wdd_log"
	"os"
	"strings"
)

// DefaultMotherboardInfo provides a default value for MotherboardInfo.
var DefaultMotherboardInfo = models.MotherboardInfo{
	Manufacturer: "unknown",
	Product:      "unknown",
	Version:      "unknown",
	Serial:       "unknown",
}

// readFileWithWarning attempts to read a file and logs a warning if it fails.
func readFileWithWarning(path string) ([]byte, error) {
	value, err := os.ReadFile(path)
	if err != nil {
		wdd_log.Warn("无法读取文件 %s: %v", path, err)
		return nil, err
	}
	return value, nil
}

// GetMotherboardInfo retrieves motherboard information from the system files.
func GetMotherboardInfo() models.MotherboardInfo {
	info := DefaultMotherboardInfo // 初始化为默认值

	// 文件路径与对应字段的映射
	paths := map[string]*string{
		"/sys/class/dmi/id/board_vendor":  &info.Manufacturer,
		"/sys/class/dmi/id/board_name":    &info.Product,
		"/sys/class/dmi/id/board_version": &info.Version,
		"/sys/class/dmi/id/board_serial":  &info.Serial,
	}

	// 遍历路径并更新信息
	for path, field := range paths {
		if value, err := readFileWithWarning(path); err == nil {
			*field = strings.TrimSpace(string(value))
		}
	}

	return info // 返回最终的主板信息
}

/*
Motherboard Information:
Manufacturer: ASUSTeK COMPUTER INC.
Product: ROG STRIX B450-F GAMING
Version: Rev 1.xx
Serial: 123456789012345678


*/