using System;
using Newtonsoft.Json;

namespace 報到系統客戶端.Data.Models
{
    /// <summary>
    /// 本地 Classes 表資料項目
    /// 對應後端 DAC_Classes1.cs 的 ClassesItem
    /// </summary>
    public class LocalClassesItem
    {
        [JsonProperty("ID")]
        public int ID { get; set; }

        [JsonProperty("CourseCode")]
        public string CourseCode { get; set; }

        [JsonProperty("CourseName")]
        public string CourseName { get; set; }

        [JsonProperty("CourseDate")]
        public string CourseDate { get; set; }

        [JsonProperty("CourseLocation")]
        public string CourseLocation { get; set; }

        [JsonProperty("NotificationTemplate")]
        public string NotificationTemplate { get; set; }

        [JsonProperty("AgreedTerms")]
        public string AgreedTerms { get; set; }
        
        [JsonProperty("StartTime")]
        public string StartTime { get; set; }

        [JsonProperty("EndTime")]
        public string EndTime { get; set; }

        [JsonProperty("CreatedAt")]
        public DateTime CreatedAt { get; set; }

        [JsonProperty("UpdatedAt")]
        public DateTime UpdatedAt { get; set; }

        [JsonIgnore]
        public string DisplayText { 
            get {
                return string.Format("[{0}] ({1:yyyy-MM-dd} {2}) {3} ", CourseCode, CourseDate, StartTime, CourseName);
            } 
        }

        /// <summary>
        /// 從後端 API 模型轉換
        /// </summary>
        public static LocalClassesItem ConvertFromApiModel(報到系統客戶端.Models.ClassesItem apiModel)
        {
            if (apiModel == null) return null;

            return new LocalClassesItem
            {
                ID = apiModel.ID,
                CourseCode = apiModel.CourseCode,
                CourseName = apiModel.CourseName,
                CourseDate = apiModel.CourseDate.ToString("yyyy-MM-dd"),
                CourseLocation = apiModel.CourseLocation,
                NotificationTemplate = apiModel.NotificationTemplate,
                AgreedTerms = apiModel.AgreedTerms,
                StartTime = apiModel.StartTime,
                EndTime = apiModel.EndTime,
                CreatedAt = DateTime.Now,
                UpdatedAt = DateTime.Now
            };
        }
    }
}