using Api.SeaHavenIndustries.DTOs;
using Api.SeaHavenIndustries.Helper.ViewModel;
using Data.SeaHavenIndustries;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Identity;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using static System.Runtime.InteropServices.JavaScript.JSType;

namespace Api.SeaHavenIndustries.Controllers
{
    [Authorize]
    [ApiController]
    [Route("[controller]")]
    public class SettingsController : Controller
    {
        private readonly UserManager<ApplicationUser> _userManager;
        private readonly ApplicationDbContext _db;
        public SettingsController(UserManager<ApplicationUser> userManager, ApplicationDbContext db)
        {
            _userManager = userManager;
            _db = db;
        }

        [HttpPost]
        [Route("AddCategory")]
        public async Task<IActionResult> AddCategory(Category_DTO model)
        {
            try
            {
                Category category = new Category();
                category.Name = model.Name;
                _db.Categories.Add(category);
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Successfully Saved Data", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }

        [HttpPost]
        [Route("EditCategory")]
        public async Task<IActionResult> EditCategory(EditCategory_DTO model)
        {
            try
            {
                var exist = _db.Categories.Where(w => w.Id == model.Id).FirstOrDefault();
                if (exist == null)
                    return BadRequest(new Response { Status = "Error", Message = "Category not found" });
                exist.Name = model.Name;
                _db.Categories.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("DeleteCategory")]
        public async Task<IActionResult> DeleteCategory(int id)
        {
            try
            {
                var exist = _db.Categories.Where(w => w.Id == id).FirstOrDefault();
                if (exist != null)
                {
                    var chkexist = _db.Templates.Where(w => w.CategoryId == id).ToList();
                    if (chkexist != null)
                    {
                        _db.RemoveRange(chkexist);
                    }
                    var chkworkordercategory = _db.workOrderCategories.Where(w => w.CategoryId == id).ToList();
                    if (chkworkordercategory != null)
                    {
                        _db.RemoveRange(chkworkordercategory);
                    }
                    _db.Remove(exist);
                }
                else
                {
                    return BadRequest(new Response { Status = "Error", Message = "ID not matched!" });
                }
                await _db.SaveChangesAsync();
                return Ok(new DataResponse { Message = "Deleted Successfully", Status = "200" });
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }
        

        [HttpGet]
        [Route("GetCategoryList")]
        public IActionResult GetCategoryList(int page = 1, int pageSize = 10)
        {
            var totalCount = _db.Categories.Count();
            var data = _db.Categories.Select(s => new
            {
                s.Id,
                s.Name
            }).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("GetTemplates")]
        public IActionResult GetTemplates(int page = 1, int pageSize = 10)
        {
            try
            {
                var totalCount = _db.workOrders.Where(w=> w.istemplate == true).Count();
                var data = _db.workOrders.Where(w => w.istemplate == true).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);
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }

        [HttpGet]
        [Route("GetUsers")]
        public async Task<IActionResult> GetUsers(string? search = "", int page = 1, int pageSize = 10)
        {
            try
            {
                var totalCount = _db.Users.Count();
                var allUsers =  _db.Users.Where(w => (w.FirstName ?? "").ToLower().Contains((search ?? "").ToLower())).OrderByDescending(d => d.Id).ToList().Skip((page - 1) * pageSize)
                    .Take(pageSize);

                // Calculate the number of pages
                var totalPages = (int)Math.Ceiling(totalCount / (double)pageSize);
             
                var filteredUsers = new List<UserRoleViewModel>();

                foreach (var user in allUsers)
                {
                    var roles = await _userManager.GetRolesAsync(user);
                    if (!roles.Contains("Admin"))
                    {
                        filteredUsers.Add(new UserRoleViewModel
                        {
                            RoleName = roles.Count() > 0 ? roles.First() : "",
                            Email = user.Email,
                            UserName = user.FirstName,
                            Date = user.CreatedDate?.Date.ToString(),
                            Status = user.UniqueName,
                            Id = user.Id
                        });
                    }
                }
                // Create a view model containing the paged items and pagination metadata
                var viewModel = new Pagination_DTO
                {
                    Data = filteredUsers,
                    PageNumber = page,
                    PageSize = pageSize,
                    TotalCount = totalCount,
                    TotalPages = totalPages
                };
                return Ok(viewModel);
            }
            catch (Exception ex)
            {
                return BadRequest(new { Status = "Error", Message = ex.Message });
            }
        }

        [HttpGet]
        [Route("GetRoles")]
        public async Task<IActionResult> GetRoles()
        {
            try
            {
                var data = _db.Roles.ToList();
                List<Roles_DTO> roles = new List<Roles_DTO>();
                foreach (var role in data)
                {
                    if (role.Name == "Admin")
                    {
                        roles.Add(new Roles_DTO { Name = role.Name, Description = "Full Access" });
                    }
                    else if(role.Name == "Supervisor")
                    {
                        roles.Add(new Roles_DTO { Name = role.Name, Description = "Access to Team's Work Orders Only" });

                    }
                    else if(role.Name == "Manager")
                    {
                        roles.Add(new Roles_DTO { Name = role.Name, Description = "Full access accept quotes" });

                    }
                    else if(role.Name =="User")
                    {
                        roles.Add(new Roles_DTO { Name = role.Name, Description = "Access to Assigned Work Orders Only" });

                    }
                }
                return Ok(roles);
            }
            catch (Exception ex)
            {
                return BadRequest(new Response { Status = "Error", Message = ex.Message });
            }
        }
    }
}