using Project01.Factory;
using Project01.Models;
using Project01.Models.TeamItems;
using Project01.Models.WorkItems.Contracts;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace WorkItemManagementSystem.DataBase
{
   public  class DataBase
    {
        private  readonly ICollection<Team> teams;
        private readonly ICollection<Member> workers;
        private readonly ICollection<IFSBWorkItem> workItems;

        private DataBase()
        {
            teams = new List<Team>();
            workers = new List<Member>();
            workItems = new List<IFSBWorkItem>();
        }
        public void AddMember(Member memberToCreate)
        {
            workers.Add(memberToCreate);
        }
        public void AddTeam(Team teamToCreate)
        {
            teams.Add(teamToCreate);
        }
        public bool DeleteContact(Member memberToDelete)
        {
            var deleteW = FindMember(memberToDelete);
            if (deleteW==null)
            {
                return false;
            }
            workers.Remove(deleteW);
            return true;
        }
        public bool DeleteTean(Team teamToDelete)
        {
            var deleteT = FindTeam(teamToDelete);
            if (deleteT == null)
            {
                return false;
            }
            teams.Remove(deleteT);
            return true;
        }
        public Member FindMember(Member memberToUpdate)
        {
            var member = workers.FirstOrDefault(m => m.Name.Equals(memberToUpdate.Name));
            return member;
        }
        public Team FindTeam(Team teamToUpdate)
        {
            return teams.FirstOrDefault(m => m.Name.Equals(teamToUpdate.Name));
        }
        public bool IsMemberIn(string name)
        {
            return workers.Any(w => w.Name.Equals(name));
        }
        public bool IsTeamIn(string name)
        {
            return teams.Any(t => t.Name.Equals(name));
        }
        public IReadOnlyCollection<Member> ListMembers()
        {
            return workers as IReadOnlyCollection<Member>;
        }
        public IReadOnlyCollection<Team> ListTeam()
        {
            return teams as IReadOnlyCollection<Team>;
        }
    }
}