using Bitget_Server.Api.Dtos;
using Bitget_Server.Application.Services;
using Bitget_Server.Application.State;
using Microsoft.AspNetCore.Mvc;

namespace Bitget_Server.Api.Controllers;

/// <summary>
/// 기존 WinForms 의 구름떼/영호 조건식 체크박스 및 신호검색 그리드를 REST 화.
/// </summary>
[ApiController]
[Route("api/signals")]
[Produces("application/json")]
public class SignalsController : ControllerBase
{
    private readonly SignalProcessService _signalProcess;
    private readonly MarketState _state;

    public SignalsController(SignalProcessService signalProcess, MarketState state)
    {
        _signalProcess = signalProcess;
        _state = state;
    }

    /// <summary>현재 활성화된 시그널 목록 + 카운트.</summary>
    [HttpGet]
    [ProducesResponseType(typeof(SignalListResponse), StatusCodes.Status200OK)]
    public ActionResult<SignalListResponse> GetSignals()
    {
        var result = new SignalListResponse(
            _signalProcess.SignalsLongUp.Select(Map),
            _signalProcess.SignalsShortDown.Select(Map),
            _signalProcess.SignalsLongDown.Select(Map),
            _signalProcess.SignalsShortUp.Select(Map),
            _signalProcess.LongCount,
            _signalProcess.ShortCount);
        return Ok(result);

        static SignalSummaryDto Map(Domain.Models.SignalInfoData s)
            => new(s.MarketName, s.Description, s.SignalStart, s.Price, s.Rate,
                   s.IndicatorPrice, s.IndicatorRate, s.MCandleTimeType);
    }

    /// <summary>조건식 상태 조회.</summary>
    [HttpGet("conditions")]
    [ProducesResponseType(typeof(SignalConditionsDto), StatusCodes.Status200OK)]
    public ActionResult<SignalConditionsDto> GetConditions()
        => Ok(new SignalConditionsDto(
            _signalProcess.Checked구름떼상향돌파,
            _signalProcess.Checked구름떼하향돌파,
            _signalProcess.영호조건식_상향돌파,
            _signalProcess.영호조건식_하향돌파));

    /// <summary>조건식 상태 변경.</summary>
    [HttpPut("conditions")]
    [ProducesResponseType(typeof(SignalConditionsDto), StatusCodes.Status200OK)]
    public ActionResult<SignalConditionsDto> UpdateConditions([FromBody] UpdateSignalConditionsRequest req)
    {
        _signalProcess.Checked구름떼상향돌파 = req.구름떼상향돌파;
        _signalProcess.Checked구름떼하향돌파 = req.구름떼하향돌파;
        _signalProcess.영호조건식_상향돌파 = req.영호조건식_상향돌파;
        _signalProcess.영호조건식_하향돌파 = req.영호조건식_하향돌파;

        return Ok(new SignalConditionsDto(
            _signalProcess.Checked구름떼상향돌파,
            _signalProcess.Checked구름떼하향돌파,
            _signalProcess.영호조건식_상향돌파,
            _signalProcess.영호조건식_하향돌파));
    }

    /// <summary>체크된 마켓/인터벌 목록 조회 (신호검색 대상).</summary>
    [HttpGet("checked-markets")]
    [ProducesResponseType(typeof(CheckedMarketsDto), StatusCodes.Status200OK)]
    public ActionResult<CheckedMarketsDto> GetCheckedMarkets()
    {
        lock (_state.SyncRoot)
        {
            return Ok(new CheckedMarketsDto(
                _state.CheckedMarkets.Select(m => m?.ToString() ?? string.Empty).ToList(),
                _state.IntervalList.Select(i => i?.ToString() ?? string.Empty).ToList()));
        }
    }

    /// <summary>체크된 마켓/인터벌 일괄 설정.</summary>
    [HttpPut("checked-markets")]
    [ProducesResponseType(typeof(CheckedMarketsDto), StatusCodes.Status200OK)]
    public ActionResult<CheckedMarketsDto> UpdateCheckedMarkets([FromBody] UpdateCheckedMarketsRequest req)
    {
        lock (_state.SyncRoot)
        {
            _state.CheckedMarkets = req.Markets.Cast<object>().ToList();
            _state.IntervalList = req.Intervals.Cast<object>().ToList();
        }

        return Ok(new CheckedMarketsDto(req.Markets, req.Intervals));
    }
}