using Fitness_core_BE.Interfaces;
using Fitness_core_BE.Models;
using Microsoft.EntityFrameworkCore;

namespace Fitness_core_BE.Repos
{
    public class AdminClientDirectoryRepository : IAdminClientDirectoryRepository
    {
        private readonly CentralDbContext _context;

        public AdminClientDirectoryRepository(CentralDbContext context)
        {
            _context = context;
        }

        public async Task<(List<Client> Items, int Total)> ListAsync(string? search, int page, int pageSize, CancellationToken ct = default)
        {
            var query = _context.Client
                .AsNoTracking()
                .Include(c => c.ClientBusinesses)
                .AsQueryable();

            if (!string.IsNullOrWhiteSpace(search))
                query = query.Where(c => c.ClientName != null && c.ClientName.Contains(search));

            var total = await query.CountAsync(ct);

            var items = await query
                .OrderBy(c => c.ClientName)
                .Skip((page - 1) * pageSize)
                .Take(pageSize)
                .ToListAsync(ct);

            return (items, total);
        }

        public async Task<Client?> GetByIdAsync(Guid clientId, CancellationToken ct = default)
        {
            return await _context.Client
                .AsNoTracking()
                .Include(c => c.ClientBusinesses)
                .FirstOrDefaultAsync(c => c.ClientId == clientId, ct);
        }

        public async Task<bool> ClientExistsAsync(Guid clientId, CancellationToken ct = default)
        {
            return await _context.Client
                .AsNoTracking()
                .AnyAsync(c => c.ClientId == clientId, ct);
        }
    }
}