using System;
using System.Threading.Tasks;
using 報到系統客戶端.Models;

namespace 報到系統客戶端.Services
{
    /// <summary>
    /// 登入服務客戶端
    /// 呼叫後端 Services/LoginService.asmx
    /// </summary>
    public class LoginService
    {
        private const string SERVICE_PATH = "/Services/LoginService.asmx";

        /// <summary>
        /// 登入
        /// </summary>
        /// <param name="username">使用者名稱</param>
        /// <param name="password">密碼</param>
        /// <param name="rememberMe">是否記住密碼</param>
        /// <returns>登入結果</returns>
        public static BaseResponse Login(string username, string password, bool rememberMe = false)
        {
            var parameters = new
            {
                username = username,
                password = password,
                rememberMe = rememberMe
            };

            return ApiService.Instance.Post(SERVICE_PATH, "Login", parameters);
        }

        /// <summary>
        /// 登入（非同步版本）
        /// </summary>
        public static async Task<BaseResponse> LoginAsync(string username, string password, bool rememberMe = false)
        {
            var parameters = new
            {
                username = username,
                password = password,
                rememberMe = rememberMe
            };

            return await ApiService.Instance.PostAsync(SERVICE_PATH, "Login", parameters);
        }

        /// <summary>
        /// 登出
        /// </summary>
        /// <returns>登出結果</returns>
        public static BaseResponse Logout()
        {
            return ApiService.Instance.Post(SERVICE_PATH, "Logout", null);
        }

        /// <summary>
        /// 登出（非同步版本）
        /// </summary>
        //public static async Task<BaseResponse> LogoutAsync()
        //{
        //    return await ApiService.Instance.PostAsync(SERVICE_PATH, "Logout", null);
        //}

        /// <summary>
        /// 檢查 Session（當作心跳使用）
        /// </summary>
        /// <returns>檢查結果</returns>
        public static BaseResponse CheckSession()
        {
            return ApiService.Instance.Post(SERVICE_PATH, "CheckSession", null);
        }

        /// <summary>
        /// 檢查 Session（非同步版本）
        /// </summary>
        //public static async Task<BaseResponse> CheckSessionAsync()
        //{
        //    return await ApiService.Instance.PostAsync(SERVICE_PATH, "CheckSession", null);
        //}

        /// <summary>
        /// 清除 Session
        /// </summary>
        public static void ClearSession()
        {
            ApiService.Instance.ClearSession();
        }

        /// <summary>
        /// 測試是否能連線
        /// </summary>
        /// <returns></returns>
        public static bool Ping()
        {
            var pingResult = ApiService.Instance.Post(SERVICE_PATH, "Ping", null);
            return pingResult != null;
        }
    }
}