using System.Text.RegularExpressions;
using WcsMain.Common;
using WcsMain.DataBase.Dao;
using WcsMain.DataBase.TableEntity;
using WcsMain.WcsAttribute.AutoFacAttribute;

namespace WcsMain.DataService;

/// <summary>
/// 
/// </summary>
[Component]
public class DataBaseData(AppSettingsDao settingsDao)
{
    private AppSettingsDao _settingsDao = settingsDao;

    /// <summary>
    /// 获取一个设置值
    /// </summary>
    /// <param name="settingKey"></param>
    /// <returns></returns>
    public string? GetSetting(string settingKey)
    {
        List<AppSettings>? settings = _settingsDao.GetSetting(settingKey);
        if (settings == default || settings.Count < 1)
        {
            return string.Empty;
        }
        return settings[0].SettingValue;
    }


    private static readonly object getNewPlcTaskIdLock = new();
    /// <summary>
    /// 获取新的 PLC 任务号，发生异常则返回默认值
    /// </summary>
    /// <param name="count"></param>
    /// <returns></returns>
    public int[]? GetNewPlcTaskId(int count)
    {
        lock (getNewPlcTaskIdLock)
        {
            string? oldPlcTaskIdstr = GetSetting("plc_task_id");
            if (string.IsNullOrEmpty(oldPlcTaskIdstr)) { return default; }
            if (!Regex.IsMatch(oldPlcTaskIdstr, "^\\d+$")) { return default; }
            int oldPlcTaskId = Convert.ToInt32(oldPlcTaskIdstr);
            if (oldPlcTaskId > 2000000000)
            {
                oldPlcTaskId = 100000;
            }
            oldPlcTaskId++;
            int[] ints = new int[count];
            for (int i = 0; i < count; i++)
            {
                ints[i] = oldPlcTaskId + i;
            }
            int updateNewTaskPlcId = _settingsDao.Update(new AppSettings() { SettingKey = "plc_task_id", SettingValue = ints.Last().ToString() });
            if (updateNewTaskPlcId < 0) { return default; }
            return ints;
        }
    }
    /// <summary>
    /// 获取一个PldId
    /// </summary>
    /// <returns></returns>
    public int? GetNewPlcTaskId()
    {
        var ints = GetNewPlcTaskId(1);
        if (ints == default || ints.Length < 1) { return default; }
        return ints.First();
    }

    #region 返回一个 UUID，以时间 yyyyMMdd 形式

    private static readonly object getNewUUIDLock = new();
    private string lastUUID = string.Empty;
    private string lasTimeTick = DateTime.Now.ToString("yyyyMMddHHmmssfff");
    private ushort sortUUID = 0;
    /// <summary>
    /// 返回一个唯一识别号
    /// </summary>
    /// <returns></returns>
    public string GetNewUUID()
    {
        lock (getNewUUIDLock)
        {
            while (true)
            {
                string? wcsId = CommonData.AppConfig.WcsId;
                if (string.IsNullOrEmpty(wcsId))
                {
                    wcsId = "0";
                }
                string timeTick = DateTime.Now.ToString("yyyyMMddHHmmssfff");
                if (timeTick != lasTimeTick)
                {
                    lasTimeTick = timeTick;
                    sortUUID = 0;
                }
                string idNo = wcsId.PadLeft(4, '0');
                string sort = sortUUID.ToString().PadLeft(5, '0');
                string newUUID = $"{timeTick}{idNo}{sort}";
                sortUUID++;
                if (sortUUID > 60000)
                {
                    sortUUID = 0;
                }
                if (newUUID != lastUUID)
                {
                    lastUUID = newUUID;
                    return newUUID;
                }
            }
        }
    }


    #endregion


    #region 返回一个 UUID，以时间戳形式

    private static readonly object getNewUUIDLock2 = new();
    private string lastUUID2 = string.Empty;
    private string lasTimeTick2 = DateTime.Now.ToString("yyyyMMddHHmmssfff");
    private ushort sortUUID2 = 0;
    /// <summary>
    /// 返回一个唯一识别号 以时间戳为基础
    /// </summary>
    /// <returns></returns>
    /// <remarks>
    /// 这方法产生的ID会短一点，但是单位时间内产生的数量较少
    /// </remarks>
    public string GetNewUUID2()
    {
        lock (getNewUUIDLock2)
        {
            while (true)
            {
                string? wcsId = CommonData.AppConfig.WcsId;
                if (string.IsNullOrEmpty(wcsId))
                {
                    wcsId = "0";
                }
                string timeTick = DateTimeOffset.UtcNow.ToUnixTimeSeconds().ToString();
                if (timeTick != lasTimeTick2)
                {
                    lasTimeTick2 = timeTick;
                    sortUUID2 = 0;
                }
                string idNo = wcsId.PadLeft(3, '0');
                string sort = sortUUID2.ToString().PadLeft(3, '0');
                string newUUID = $"{timeTick}{idNo}{sort}";
                sortUUID2++;
                if (sortUUID2 > 900)
                {
                    sortUUID2 = 0;
                }
                if (newUUID != lastUUID2)
                {
                    lastUUID2 = newUUID;
                    return newUUID;
                }
            }
        }
    }

    #endregion


}