using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Caching.Memory;
using OnlyOneAccessTemplate.Services.OnlyOneAccessTemplate.Services;
using OnlyOneAccessTemplate.Services;
using OnlyOneAccessTemplate.Models;

namespace OnlyOneAccessTemplate.Controllers
{
    [ApiController]
    [Route("converter")] 
    public class ConverterController : BaseController
    {
        private readonly IServiceProvider _serviceProvider;
        //private readonly ILogger _logger;
        private readonly Dictionary<string, Type> _converterTypes;

        public ConverterController(
            ISiteConfigurationService siteConfig,
            ILanguageService languageService,
            ISeoService seoService,
            IMemoryCache cache,
            IConfiguration configuration,
            IServiceProvider serviceProvider
            //,ILogger logger 
            )
            : base(siteConfig, languageService, seoService, cache, configuration)
        {
            _serviceProvider = serviceProvider;
            //this._logger = logger;

            // Registrar tipos de conversores disponíveis
            _converterTypes = new Dictionary<string, Type>
            {
                ["text-case"] = typeof(TextCaseConverterService),
                ["csv-json"] = typeof(CsvToJsonConverterService),
                ["image-ocr"] = typeof(ImageToTextConverterService),
                ["sentence-converter"] = typeof(UpperLowerConversorService)
                // Adicionar novos conversores aqui
            };
        }

        [HttpPost("api/convert/{converterType}")]
        public async Task<IActionResult> Convert(string converterType, [FromForm] ConversionRequestDto requestDto)
        {
            try
            {
                if (!_converterTypes.ContainsKey(converterType))
                {
                    return BadRequest(new { success = false, message = "Conversor não encontrado" });
                }

                var converterService = (IConverterService)_serviceProvider.GetRequiredService(_converterTypes[converterType]);

                var request = new ConversionRequest(
                    Language: requestDto.Language ?? GetCurrentLanguage(),
                    InputType: requestDto.InputType,
                    TextInput: requestDto.TextInput,
                    FileInput: requestDto.FileInput,
                    UrlInput: requestDto.UrlInput,
                    Options: requestDto.Options
                );

                // Validar entrada
                if (!await converterService.ValidateInputAsync(request))
                {
                    return BadRequest(new { success = false, message = "Entrada inválida" });
                }

                // Executar conversão
                var result = await converterService.ConvertAsync(request);

                if (!result.Success)
                {
                    return BadRequest(new { success = false, message = result.ErrorMessage });
                }

                // Retornar resultado baseado no tipo de saída
                if (!string.IsNullOrEmpty(result.OutputText))
                {
                    return Ok(new
                    {
                        success = true,
                        outputText = result.OutputText,
                        metadata = result.Metadata
                    });
                }
                else if (result.OutputFile != null)
                {
                    return File(result.OutputFile, result.OutputMimeType ?? "application/octet-stream",
                               result.OutputFileName ?? "converted_file");
                }
                else
                {
                    return Ok(new
                    {
                        success = true,
                        previewHtml = result.PreviewHtml,
                        metadata = result.Metadata
                    });
                }
            }
            catch (Exception ex)
            {
                //_logger.LogError(ex, "Erro na conversão {ConverterType}", converterType);
                return StatusCode(500, new { success = false, message = "Erro interno do servidor" });
            }
        }

        [HttpGet("config/{converterType}")]
        public IActionResult GetConverterConfig(string converterType)
        {
            try
            {
                if (!_converterTypes.ContainsKey(converterType))
                {
                    return NotFound(new { success = false, message = "Conversor não encontrado" });
                }

                var converterService = (IConverterService)_serviceProvider.GetRequiredService(_converterTypes[converterType]);
                var language = GetCurrentLanguage();
                var config = converterService.GetConfiguration(language);

                return Ok(new { success = true, config });
            }
            catch (Exception ex)
            {
                //_logger.LogError(ex, "Erro ao buscar configuração do conversor {ConverterType}", converterType);
                return StatusCode(500, new { success = false, message = "Erro interno do servidor" });
            }
        }

        [HttpGet("test")]
        public IActionResult Test()
        {
            return Ok(new { message = "Controller funcionando", timestamp = DateTime.Now });
        }
    }
}