using HMI.Core.Entity;
using HMI.Core.Util;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace HMI.Core.Manager
{
    /// <summary>
    /// TODO 优化数据源，需要支持sqlite和xml
    /// </summary>
    public class ProductManager
    {
        /// <summary>
        /// 获取保存的产品
        /// </summary>
        /// <returns></returns>
        public static T GetProducts<T>() where T : IList<ProductData>
        {
            string path = PathHelper.ProductDataFile;
            if (!File.Exists(path)) return default(T);
            T datas = XmlHelper.DeserializeFromXml<T>(path);
            return datas;
        }

        /// <summary>
        /// 获取保存的产品
        /// </summary>
        /// <returns></returns>
        public static T GetParametersByProductName<T>(string productName) where T : IList<ParameterData>
        {
            string path = Path.Combine(PathHelper.ProductParameterFolder, $"Parameter_{productName}.data");
            if (!File.Exists(path)) return default(T);
            T datas = XmlHelper.DeserializeFromXml<T>(path);
            return datas;
        }


        public static List<ProductData> GetProducts()
        {
            List<ProductData> datas = GetProducts<List<ProductData>>();
            return datas ?? new List<ProductData>();
        }

        /// <summary>
        /// 根据产品名称获取产品参数
        /// </summary>
        /// <param name="productName"></param>
        /// <returns></returns>
        public static List<ParameterData> GetParametersByProductName(string productName)
        {
            List<ParameterData> datas = GetParametersByProductName<List<ParameterData>>(productName);
            return datas ?? new List<ParameterData>();
        }

        public static ParameterData GetParameterByProductAndName(string product, string name)
        {
            List<ParameterData> datas = GetParametersByProductName<List<ParameterData>>(product);
            return datas?.FirstOrDefault(e => e.Name == name);
        }
    }
}