using Bitget_Server.Application.Services;
using Bitget_Server.Domain.Models;
using Microsoft.AspNetCore.Mvc;

namespace Bitget_Server.Api.Controllers;

/// <summary>
/// 기존 WinForms 코인 선택 그리드 데이터를 REST 화.
/// </summary>
[ApiController]
[Route("api/coins")]
[Produces("application/json")]
public class CoinsController : ControllerBase
{
    private readonly SettingsService _settings;
    private readonly ILogger<CoinsController> _logger;

    public CoinsController(SettingsService settings, ILogger<CoinsController> logger)
    {
        _settings = settings;
        _logger = logger;
    }

    /// <summary>
    /// USDT 기준 Bitget 선물 마켓 정보 목록을 반환한다.
    /// 내부적으로 BitgetClient 캐시(_state.marketInfoList)를 우선 사용하고 비어 있으면 호출.
    /// </summary>
    [HttpGet]
    [ProducesResponseType(typeof(IEnumerable<MarketInfo>), StatusCodes.Status200OK)]
    [ProducesResponseType(typeof(ProblemDetails), StatusCodes.Status502BadGateway)]
    public async Task<ActionResult<IEnumerable<MarketInfo>>> GetCoins(CancellationToken ct)
    {
        try
        {
            var coins = await _settings.GetCoinsAsync(ct);
            return Ok(coins);
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "코인 조회 실패");
            return Problem(
                detail: ex.Message,
                statusCode: StatusCodes.Status502BadGateway,
                title: "Failed to fetch coins from Bitget");
        }
    }
}