using FlowAPI.Application.Interfaces;
using FlowAPI.Infrastructure.Data;
using Microsoft.EntityFrameworkCore;

namespace FlowAPI.Infrastructure.Repositories
{
    public class GenericRepository<T> : IGenericRepository<T> where T : class
    {
        protected readonly AppDbContext _context;
        protected readonly DbSet<T> _dbSet;

        public GenericRepository(AppDbContext context)
        {
            _context = context;
            _dbSet = context.Set<T>();
        }

        public virtual async Task<IEnumerable<T>> GetAllAsync()
        {
            return await _dbSet.AsNoTracking().ToListAsync();
        }

        public virtual async Task<T?> GetByIdAsync(Guid id)
        {
            return await _dbSet.FindAsync(id);
        }

        public virtual async Task<T> CreateAsync(T entity)
        {
            _dbSet.Add(entity);
            await _context.SaveChangesAsync();
            return entity;
        }

        public virtual async Task<T> UpdateAsync(T entity)
        {
            _dbSet.Update(entity);
            await _context.SaveChangesAsync();
            return entity;
        }

        public virtual async Task<bool> DeleteAsync(Guid id)
        {
            var entity = await _dbSet.FindAsync(id);
            if (entity is null) return false;

            _dbSet.Remove(entity);
            await _context.SaveChangesAsync();
            return true;
        }
    }
}