using AdsManagerService.API.Application.Commands;
using AdsManagerService.API.Application.Queries;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace AdsManagerService.API.Controllers;

/// <summary>
/// EN: API Controller for managing ad sets.
/// VI: API Controller quản lý ad sets.
/// </summary>
[ApiController]
[Authorize]
[Route("api/v1/ads-manager/adsets")]
[Produces("application/json")]
public class AdSetsController : ControllerBase
{
    private readonly IMediator _mediator;
    private readonly ILogger<AdSetsController> _logger;

    public AdSetsController(IMediator mediator, ILogger<AdSetsController> logger)
    {
        _mediator = mediator ?? throw new ArgumentNullException(nameof(mediator));
        _logger = logger ?? throw new ArgumentNullException(nameof(logger));
    }

    /// <summary>
    /// EN: Create a new ad set.
    /// VI: Tạo ad set mới.
    /// </summary>
    [HttpPost]
    [ProducesResponseType(StatusCodes.Status201Created)]
    [ProducesResponseType(StatusCodes.Status400BadRequest)]
    public async Task<ActionResult<Guid>> CreateAdSet([FromBody] CreateAdSetCommand command)
    {
        _logger.LogInformation("Creating ad set for campaign {CampaignId}", command.CampaignId);

        var adSetId = await _mediator.Send(command);

        return CreatedAtAction(nameof(GetAdSetById), new { id = adSetId }, new { success = true, data = adSetId });
    }

    /// <summary>
    /// EN: Get ad set by ID (placeholder).
    /// VI: Lấy ad set theo ID (placeholder).
    /// </summary>
    [HttpGet("{id}")]
    [ProducesResponseType(typeof(AdSetDto), StatusCodes.Status200OK)]
    [ProducesResponseType(StatusCodes.Status404NotFound)]
    public async Task<ActionResult<AdSetDto>> GetAdSetById(Guid id)
    {
        var adSet = await _mediator.Send(new GetAdSetByIdQuery { AdSetId = id });

        if (adSet == null)
            return NotFound(new { success = false, error = new { code = "NOT_FOUND", message = "Ad set not found" } });

        return Ok(new { success = true, data = adSet });
    }
}
