using Backend.ServiceHander;
using Backend.MarketDataRequest;
using Backend.Interface;
using Microsoft.AspNetCore.Mvc;
using System.Globalization;

namespace Backend.Controller
{
	[ApiController]
	[Route("api/market")]
	public class MarketController : ControllerBase
	{
		private readonly MarketDataService _marketDataService;
		private readonly IHistoricalMarketDataCache _cache;

		public MarketController(MarketDataService marketDataService, IHistoricalMarketDataCache cache)
		{
			_marketDataService = marketDataService;
			_cache = cache;
		}

		[HttpGet("last-trading-day")]
		public async Task<IActionResult> GetLastTradingDay(
			[FromQuery] string symbol = "SPY",
			CancellationToken cancellationToken = default)
		{
			try
			{
				var lastDay = await _cache.GetLastTradingDayAsync(
					symbol.Trim().ToUpperInvariant(), cancellationToken);

				if (lastDay is null)
					return Ok(new { found = false, lastTradingDay = (string?)null });

				return Ok(new
				{
					found = true,
					lastTradingDay = lastDay.Value.ToString("yyyy-MM-ddTHH:mm:ssZ", CultureInfo.InvariantCulture)
				});
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}

		[HttpGet("symbol-check/{symbol}")]
		public IActionResult CheckSymbol(string symbol)
		{
			try
			{
				var (found, message) = _marketDataService.CheckSymbol(symbol.ToUpperInvariant());
				return Ok(new { found, message });
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}

		[HttpGet("live/{symbol}")]
		public IActionResult GetLive(string symbol)
		{
			try
			{
				var data = _marketDataService.GetLiveQuote(symbol.ToUpperInvariant());
				return Ok(new
				{
					symbol = data.Symbol,
					lastPrice = data.LastPrice,
					volume = data.Volume,
					previousClose = data.PreviousClose,
					openPrice = data.Open,
					marketOpen = data.MarketOpen
				});
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}

		[HttpGet("historical")]
		public async Task<IActionResult> GetHistorical(
			[FromQuery] string symbol,
			[FromQuery] string endDateTime,
			[FromQuery] string duration,
			[FromQuery] HistoricalBarSize barSize,
			[FromQuery] HistoricalWhatToShow whatToShow = HistoricalWhatToShow.Trades,
			[FromQuery] bool useRth = true)
		{
			try
			{
				var data = await _marketDataService.GetHistoricalAsync(
					symbol.ToUpperInvariant(),
					endDateTime,
					duration,
					barSize,
					whatToShow,
					useRth
				);

				return Ok(data);
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}

		[HttpGet("historical-line")]
		public async Task<IActionResult> GetHistoricalLine(
			[FromQuery] string symbol,
			[FromQuery] string endDateTime,
			[FromQuery] string duration,
			[FromQuery] HistoricalBarSize barSize,
			[FromQuery] HistoricalWhatToShow whatToShow = HistoricalWhatToShow.Trades,
			[FromQuery] bool useRth = true)
		{
			try
			{
				var data = await _marketDataService.GetHistoricalLineAsync(
					symbol.ToUpperInvariant(),
					endDateTime,
					duration,
					barSize,
					whatToShow,
					useRth
				);

				return Ok(data);
			}
			catch (Exception ex)
			{
				return StatusCode(500, new { error = ex.ToString() });
			}
		}
	}
}