using DigitalData.Core.Contracts.CleanArchitecture.Application;
using DigitalData.Core.Contracts.CleanArchitecture.Infrastructure;
using Microsoft.AspNetCore.Mvc;

namespace DigitalData.Core.API
{
    /// <summary>
    /// A base controller class providing  Read operation for a specified entity type.
    /// </summary>
    /// <typeparam name="TOriginalController">The derived controller type implementing this base class.</typeparam>
    /// <typeparam name="TReadDto">The Data Transfer Object type for read operations.</typeparam>
    /// <typeparam name="TEntity">The entity type CRUD operations will be performed on.</typeparam>
    /// <typeparam name="TId">The type of the entity's identifier.</typeparam>
    [ApiController]
    [Route("api/[controller]")]
    public class ReadControllerBase<TOriginalController, TBasicCRUDService, TCRUDRepository, TReadDto, TEntity, TId> : ControllerBase
        where TOriginalController : ReadControllerBase<TOriginalController, TBasicCRUDService, TCRUDRepository, TReadDto, TEntity, TId>
        where TBasicCRUDService : IBasicCRUDService<TCRUDRepository, TReadDto, TEntity, TId>
        where TCRUDRepository : ICRUDRepository<TEntity, TId>
        where TReadDto : class
        where TEntity : class
    {
        protected readonly ILogger<TOriginalController> _logger;
        protected readonly TBasicCRUDService _service;

        /// <summary>
        /// Initializes a new instance of the CRUDControllerBase class with specified logger and CRUD service.
        /// </summary>
        /// <param name="logger">The logger to be used by the controller.</param>
        /// <param name="service">The CRUD service handling business logic for the entity.</param>
        public ReadControllerBase(
            ILogger<TOriginalController> logger,
            TBasicCRUDService service)
        {
            _logger = logger;
            _service = service;
        }

        /// <summary>
        /// Retrieves an entity by its identifier.
        /// </summary>
        /// <param name="id">The identifier of the entity to retrieve.</param>
        /// <returns>A task that represents the asynchronous read operation. The task result contains the action result.</returns>
        [HttpGet("{id}")]
        public virtual async Task<IActionResult> GetById([FromRoute]TId id)
        {
            var result = await _service.ReadByIdAsync(id);
            if (result.IsSuccess)
            {
                return Ok(result);
            }
            return NotFound(result);
        }

        /// <summary>
        /// Retrieves all entities.
        /// </summary>
        /// <returns>A task that represents the asynchronous read-all operation. The task result contains the action result.</returns>
        [HttpGet]
        public virtual async Task<IActionResult> GetAll()
        {
            var result = await _service.ReadAllAsync();
            if (result.IsSuccess)
            {
                return Ok(result);
            }
            return NotFound(result);
        }
    }
}