using EnVisage.Code.BLL;
using EnVisage.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace EnVisage.Code.Charts
{
	/// <summary>
	/// Represents view capacity lines on charts
	/// </summary>
	public class ViewCapacity
	{
		public Dictionary<DateTime, PeopleResourceModel.CapacityValues> Values { get; private set; }

		public ViewCapacity(Guid viewId, Dictionary<Guid, ExpenditureCategory> expCats = null, Dictionary<Guid, UOM> uoms = null, bool? isUOMHours = null)
		{
			Values = new Dictionary<DateTime, PeopleResourceModel.CapacityValues>();
			var context = new EnVisageEntities();
			var teamManager = new TeamManager(context);
            var teamIds = (from t in context.Teams
                       join tv in context.Team2View on t.Id equals tv.TeamId
                       where tv.ViewId == viewId
                       select t.Id);
			foreach (var teamId in teamIds)
			{
				var team = (TeamModel)teamManager.Load(teamId);
                var weeks = team.GetWeeklyTeamCapacity(expCats, uoms, isUOMHours);
                foreach (var week in weeks)
				{
					if (Values.ContainsKey(week.Key))
					{
						Values[week.Key].Cost += week.Value.Cost;
						Values[week.Key].Quantity += week.Value.Quantity;
					}
					else
						Values.Add(week.Key, week.Value);
				}
			}
		}

		public List<PeopleResourceModel.CapacityValues> GetDataByDateRange(DateTime startDate, DateTime endDate)
		{
			return Values.Where(x => x.Key >= startDate && x.Key <= endDate).Select(x => x.Value).ToList();
		}
	}
}