using Data.SeaHavenIndustries;
using Microsoft.EntityFrameworkCore;
using SeaHaven.DataServices.Interfaces;

namespace SeaHaven.DataServices.Implementation
{
    public class CommonDataService : ICommonDataService
    {
        private readonly ApplicationDbContext _context;

        public CommonDataService(ApplicationDbContext context)
        {
            _context = context;
        }

        public async Task<(IEnumerable<ApplicationUser> Items, int TotalCount)> GetUsersPagedAsync(int page, int pageSize, string search, CancellationToken cancellationToken)
        {
            var query = _context.Users
                .Where(w => (w.FirstName ?? "").ToLower().Contains((search ?? "").ToLower()))
                .OrderByDescending(d => d.Id);

            var totalCount = await query.CountAsync(cancellationToken);

            var paginatedUsers = await query
                .Skip((page - 1) * pageSize)
                .Take(pageSize)
                .AsNoTracking()
                .ToListAsync(cancellationToken);

            return (paginatedUsers, totalCount);
        }

        public async Task<IEnumerable<string?>> GetRoleNamesAsync(CancellationToken cancellationToken)
        {
            return await _context.Roles
                .AsNoTracking()
                .Select(s => s.Name)
                .ToListAsync(cancellationToken);
        }

        public async Task<IEnumerable<Locations>> GetSiteNamesAsync(CancellationToken cancellationToken)
        {
            return await _context.Locations
                .AsNoTracking()
                .Where(n => n.IsDeleted != true)
                .Select(n => new Locations
                {
                    Id = n.Id,
                    Name = n.Name,
                    Title = n.Title
                })
                .ToListAsync(cancellationToken);
        }

        public async Task<IEnumerable<Contacts>> GetContactsAsync(CancellationToken cancellationToken)
        {
            return await _context.Contacts
                .AsNoTracking()
                .Select(n => new Contacts
                {
                    Id = n.Id,
                    FirstName = n.FirstName,
                    LastName = n.LastName,
                    Email = n.Email,
                    PhoneNumber = n.PhoneNumber
                })
                .ToListAsync(cancellationToken);
        }

        public async Task<IEnumerable<Category>> GetCategoriesAsync(CancellationToken cancellationToken)
        {
            return await _context.Categories
                .AsNoTracking()
                .Select(s => new Category
                {
                    Id = s.Id,
                    Name = s.Name
                })
                .ToListAsync(cancellationToken);
        }
    }
}