using Sevomin.Models.Helpers;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;

namespace Sevomin.Models
{
    
    public class JobMiniExternalViewModel
    {
        private int MaxNumberOfMiniParams = 6;
        [Key]
        public long Id { get; set; }

        [DisplayName("آخرین مهلت اعلام آمادگی")]
        [DataType(DataType.Date)]
        public DateTime ExpireDate { get; set; }

        [DisplayName("آخرین مهلت اعلام آمادگی")]
        [DataType(DataType.Date)]
        public string JalaliExpireDate
        {
            get
            {
                return DateAssist.ToShamsi(this.ExpireDate);
            }
            set
            {
                ExpireDate = DateAssist.ValidateAndSetToMiladi(value) ?? DateTime.MinValue;
            }
        }

        [DisplayName("کار تمام وقت")]
        public bool IsFullTime { get; set; }

        public string JobSummary { private set; get; }

        private IList<Tuple<string, string>> Parameters;

        public JobMiniExternalViewModel(Job job, int maxNumberOfMiniParams = 6)
        {
            this.MaxNumberOfMiniParams = maxNumberOfMiniParams;
            this.Id = job.Id;
            this.ExpireDate = job.ExpireDate == DateTime.MinValue ? DateTime.UtcNow.AddDays(14) : job.ExpireDate;
            this.IsFullTime = job.IsFullTime;

            if (job.JobParameters == null)
                return;

            Parameters = new List<Tuple<string,string>>();

            var jpz = job.JobParameters.Where(x=>!string.IsNullOrWhiteSpace(x.StringValue)).OrderByDescending(x=>x.Moscow).Take(Math.Min(MaxNumberOfMiniParams * 3, job.JobParameters.Count()))
                .OrderBy(x => x.Parameter.GroupName).ThenByDescending(x => x.Moscow).Take((int)(MaxNumberOfMiniParams*1.5)).ToList();

            for (int i = 0; i < jpz.Count(); i++)
            {
                string format = jpz[i].Parameter.DisplayFormat;
                format = format.Replace("$", jpz[i].Parameter.Name);

                string value = jpz[i].StringValue;
                if (jpz[i].Parameter.DisplayMethod == 4)
                {
                    value = jpz[i].Parameter.ParameterValues.ToList().Where(x =>x.NumbericValue == jpz[i].NumericValue).Select(x => x.Value)
                        .FirstOrDefault();
                }
                Parameters.Add(new Tuple<string,string>(format, value));
            }

            StringBuilder sb = new StringBuilder("کارشناس برنامه ریزی و کنترل پروژه ");
            foreach (var param in Parameters)
                sb.Append(string.Format(param.Item1 + " ", param.Item2));
            this.JobSummary = sb.ToString();
        }
    }
}