using Api.SeaHavenIndustries.DTOs;
using Data.SeaHavenIndustries;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using SendGrid.Helpers.Mail;

namespace Api.SeaHavenIndustries.Controllers
{
    [Authorize]
    [ApiController]
    [Route("api/Contact")]
    public class ContactController : Controller
    {
        private readonly UserManager<ApplicationUser> _userManager;
        private readonly ApplicationDbContext _db;
        public ContactController(UserManager<ApplicationUser> userManager, ApplicationDbContext db)
        {
            _userManager = userManager;
            _db = db;
        }
        [HttpPost]
        [Route("AddContacts")]
        public async Task<IActionResult> AddContacts(Contact_DTO contacts)
        {
            try
            {
                Contacts model = new Contacts();
                model.Name = contacts.Name;
                model.PhoneNumber = contacts.PhoneNumber;
                model.Email = contacts.Email;
                _db.Contacts.Add(model);
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }

        [HttpPost]
        [Route("EditContacts")]
        public async Task<IActionResult> EditContacts(EditContact_DTO contacts)
        {
            try
            {
                var exist = _db.Contacts.Where(w => w.Id == contacts.Id).FirstOrDefault();

                exist.Name = contacts.Name;
                exist.PhoneNumber = contacts.PhoneNumber;
                exist.Email = contacts.Email;
                _db.Contacts.Update(exist);
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }
        [HttpGet]
        [Route("DeleteContacts")]
        public async Task<IActionResult> DeleteContacts(int id)
        {
            try
            {
                var exist = _db.Contacts.Where(w => w.Id == id).FirstOrDefault();
                if (exist != null)
                {
                    _db.Remove(exist);
                }
                else
                {
                    return BadRequest(new Response { Status = "Error", Message = "ID not matched!" });
                }
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Removed Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }
        [HttpGet]
        [Route("GetContactList")]
        public IActionResult GetContactList(string? search ="", int page = 1, int pageSize = 10)
        {
            var totalCount = _db.Contacts.Count();
            var data = _db.Contacts.Where(s=> s.Name.ToLower().Contains(search.ToLower()) || s.Email.ToLower().Contains(search.ToLower()) || s.PhoneNumber.Contains(search.ToLower())).Select(n => new
            {
                n.Id,
                n.Name,
                email = n.Email,
                phone = n.PhoneNumber
            }).OrderByDescending(d => d.Id).ToList().Skip((page - 1) * pageSize)
                    .Take(pageSize);
            // Calculate the number of pages
            var totalPages = (int)Math.Ceiling(totalCount / (double)pageSize);

            // Create a view model containing the paged items and pagination metadata
            var viewModel = new Pagination_DTO
            {
                Data = data,
                PageNumber = page,
                PageSize = pageSize,
                TotalCount = totalCount,
                TotalPages = totalPages
            };
            return Ok(viewModel);
        }

        [HttpGet]
        [Route("GetContacts")]
        public async Task<IActionResult> GetContacts()
        {
            var data = await _db.Contacts.ToListAsync();
            return Ok(data);
        }
        [HttpGet]
        [Route("GetLocations")]
        public async Task<IActionResult> GetLocations()
        {
            var data = await _db.Locations.Select(s => new LocationViewModel
            {
                Id = s.Id,
                Name = s.Title + " - " + s.Name
            }).ToListAsync();
            return Ok(data);
        }

        [HttpGet]
        [Route("GetCategories")]
        public async Task<IActionResult> GetCategories()
        {
            var data = await _db.Categories.ToListAsync();
            return Ok(data);
        }

        [HttpGet]
        [Route("GetUsers")]
        public async Task<IActionResult> GetUsers()
        {
            var filteredUsers = await (from user in _db.Users
                                       where !(from userRole in _db.UserRoles
                                               join role in _db.Roles on userRole.RoleId equals role.Id
                                               where role.Name == "Admin" || role.Name == "Manager"
                                               select userRole.UserId).Contains(user.Id)
                                       select user).ToListAsync();
            return Ok(filteredUsers);
        }
        [HttpPost]
        [Route("AddLocation")]
        public async Task<IActionResult> AddLocation(Location_DTO model)
        {
            try
            {
                Locations locations = new Locations();
                locations.Title = model.Title;
                locations.Name = model.Name;
                _db.Locations.Add(locations);
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }
        [HttpPost]
        [Route("EditLocation")]
        public async Task<IActionResult> EditLocation(EditLocation_DTO model)
        {
            try
            {
                var exist = _db.Locations.Where(w => w.Id == model.Id).FirstOrDefault();
                if (exist != null)
                {
                    exist.Title = model.Title;
                    exist.Name = model.Name;
                }
                else
                {
                    return BadRequest(new Response { Status = "Error", Message = "ID not matched!" });
                }
                _db.Locations.Update(exist);
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }

        [HttpPost]
        [Route("DeleteLocation")]
        public async Task<IActionResult> DeleteLocation(int Id)
        {
            try
            {
                var data1 = await _db.Templates.ToListAsync();
                _db.Templates.RemoveRange(data1);
                var data = await _db.Locations.Where(w => w.Id == Id).FirstOrDefaultAsync();
                if (data != null)
                {
                    _db.Locations.Remove(data ?? new Locations());
                }
                else
                {
                    return BadRequest(new Response { Status = "Error", Message = "ID not matched!" });
                }
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Updated Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }

        [HttpGet]
        [Route("GetAddressbook")]
        public IActionResult GetAddressbook(string? search = "", int page = 1, int pageSize = 10)
        {
            var totalCount = _db.Locations.Count();
            var data = _db.Locations.Where(w=> w.Name.ToLower().Contains(search.ToLower()) || w.Title.ToLower().Contains(search.ToLower())).Select(n => new
            {
                n.Id,
                n.Name,
                n.Title
            }).OrderByDescending(d => d.Id).ToList().Skip((page - 1) * pageSize)
                    .Take(pageSize);
            // Calculate the number of pages
            var totalPages = (int)Math.Ceiling(totalCount / (double)pageSize);

            // Create a view model containing the paged items and pagination metadata
            var viewModel = new Pagination_DTO
            {
                Data = data,
                PageNumber = page,
                PageSize = pageSize,
                TotalCount = totalCount,
                TotalPages = totalPages
            };
            return Ok(viewModel);
        }

        public class LocationViewModel
        {
            public int? Id { get; set; }
            public string? Name { get; set; }
        }

    }
}