using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using UnivateProperties_API.Containers.Users;
using UnivateProperties_API.Context;
using UnivateProperties_API.Model.Users;

namespace UnivateProperties_API.Repository.Users
{
    public class AgentRepository : IRepository<Agent>
    {
        private readonly DataContext _dbContext;

        public AgentRepository(DataContext dbContext)
        {
            _dbContext = dbContext;
        }

        public List<Agent> Get(Func<Agent, bool> where)
        {
            return _dbContext.Agents.Where(where).ToList();
        }

        public List<Agent> GetAll()
        {
            return _dbContext.Agents.Include("User").Where(x => x.IsDeleted == false).ToList();
        }

        public Agent GetDetailed(Func<Agent, bool> first)
        {

            var item = _dbContext.Agents.FirstOrDefault(first);
            //AgentRepository account = new AgentRepository(_dbContext);
            //item = GetDetailedObject(item, account);
            return item;
        }

        public void Insert(Agent item)
        {
            //item.Id = NewId();
            //item.User.Role = Role.Agent;
            /*if (_dbContext.Agents.Any(a => a.AgencyId == null))
            {
                item.AgencyId = 10;
            }*/
            var agent = _dbContext.Agents.Where(x => x.UserId == item.User.Id).FirstOrDefault();
            var individual = _dbContext.Individuals.Where(x => x.UserId == item.User.Id).FirstOrDefault();
            var user = _dbContext.Users.Where(x => x.Id == item.User.Id).FirstOrDefault();

            if (item.User.Role == "Agent" || item.User.Role == "Agency" || item.User.Role == "Managing Agent")
            {
                if (agent == null)
                {                    
                    if (individual != null)
                    {
                        individual.IsDeleted = true;
                        _dbContext.Individuals.Update(individual);                        
                    }
                    item.Id = 0;
                    _dbContext.Agents.Add(item);
                    if (item.User.Role != user.Role)
                    {
                        user.Role = item.User.Role;
                    }
                    _dbContext.Users.Update(user);

                }
                else
                {
                    if (agent.Name != item.Name)
                    {
                        agent.Name = item.Name;
                    }
                    if (agent.Surname != item.Surname)
                    {
                        agent.Surname = item.Surname;
                    }
                    if (agent.Email != item.Email)
                    {
                        agent.Email = item.Email;
                    }
                    if (agent.Telephone != item.Telephone)
                    {
                        agent.Telephone = item.Telephone;
                    }
                    if (agent.CellNumber != item.CellNumber)
                    {
                        agent.CellNumber = item.CellNumber;
                    }
                    if (agent.AgencyId != item.AgencyId)
                    {
                        agent.AgencyId = item.AgencyId;
                    }
                    agent.IsDeleted = false;
                    if (individual != null)
                    {
                        individual.IsDeleted = true;
                        _dbContext.Individuals.Update(individual);                        
                    }
                    _dbContext.Agents.Update(agent);
                    if (item.User.Role != user.Role)
                    {
                        user.Role = item.User.Role;
                    }
                    _dbContext.Users.Update(user);
                }
            }
            else
            {
                agent.IsDeleted = true;
                individual.IsDeleted = false;
                user.Role = item.User.Role;

                if (individual.Name != item.Name) 
                {
                    individual.Name = item.Name;
                }
                if (individual.Surname != item.Surname)
                {
                    individual.Surname = item.Surname;
                }
                if (individual.Email != item.Email)
                {
                    individual.Email = item.Email;
                }
                if (individual.Telephone != item.Telephone)
                {
                    individual.Telephone = item.Telephone;
                }
                if (individual.CellNumber != item.CellNumber)
                {
                    individual.CellNumber = item.CellNumber;
                }

                _dbContext.Agents.Update(agent);
                _dbContext.Users.Update(user);
                _dbContext.Individuals.Update(individual);
                
            }
            
            
            Save();
        }

        public void Insert(IEnumerable<Agent> item)
        {
            int id = NewId();
            foreach (var i in item)
            {
                i.Id = id;
                _dbContext.Add(i);
                id += 1;
            }
            Save();
        }

        public void Remove(Agent item)
        {
            var i = _dbContext.Agents.Find(item);
            _dbContext.Agents.Remove(i);
            Save();
        }

        public void Remove(IEnumerable<Agent> items)
        {
            foreach (var item in items)
            {
                Agent i = _dbContext.Agents.Find(item);
                _dbContext.Agents.Remove(i);
            }
            Save();
        }

        public void RemoveAtId(int item)
        {
            var i = _dbContext.Agents.Find(item);
            _dbContext.Agents.Remove(i);
            Save();
        }

        public void Update(Agent item)
        {
            _dbContext.Entry(item).State = EntityState.Modified;
            Save();
        }

        public void Save()
        {
            _dbContext.SaveChanges();
        }

        public List<Agent> GetDetailedAll()
        {
            // TODO: GetDetailed
            throw new NotImplementedException();
        }

        public int NewId()
        {
            int id = 0;
            if (_dbContext.Agents.Count() > 0)
            {
                id = _dbContext.Agents.Max(x => x.Id);
            }
            id += 1;
            return id;
        }
    }
}