using Marco.Pms.Model.Utilities;
using Marco.Pms.Services.Service;
using Microsoft.AspNetCore.Mvc;

namespace MarcoBMS.Services.Controllers
{
    [ApiController]
    [Route("[controller]")]
    public class WeatherForecastController : ControllerBase
    {
        private static readonly string[] Summaries = new[]
        {
        "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
    };

        private readonly ILogger<WeatherForecastController> _logger;
        private readonly S3UploadService _s3Service;

        public WeatherForecastController(ILogger<WeatherForecastController> logger, S3UploadService s3Service)
        {
            _logger = logger;
            _s3Service = s3Service;
        }

        [HttpGet(Name = "GetWeatherForecast")]
        public IEnumerable<WeatherForecast> Get()
        {
            return Enumerable.Range(1, 5).Select(index => new WeatherForecast
            {
                Date = DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
                TemperatureC = Random.Shared.Next(-20, 55),
                Summary = Summaries[Random.Shared.Next(Summaries.Length)]
            })
            .ToArray();
        }
        [HttpPost("upload-image")]
        public async Task<IActionResult> SendToSThree([FromBody] FileUploadModel Image)
        {
            if (string.IsNullOrEmpty(Image.Base64Data))
                return BadRequest("Base64 data is missing");

            byte[] fileBytes;

            try
            {
                //If base64 has a data URI prefix, strip it
                var base64 = Image.Base64Data.Contains(",")
                    ? Image.Base64Data.Substring(Image.Base64Data.IndexOf(",") + 1)
                    : Image.Base64Data;

                fileBytes = Convert.FromBase64String(base64);
            }
            catch (Exception error)
            {
                //return BadRequest("Invalid base64 string.");
                return BadRequest(error);
            }

            using var stream = new MemoryStream(fileBytes);
            var objectKey = await _s3Service.UploadFileAsync(stream, Image.FileName, Image.ContentType);
            //var objectKey = await _s3Service.UploadFileAsync(Image.FileName, Image.ContentType);
            var preSignedUrl = await _s3Service.GeneratePreSignedUrlAsync(objectKey);

            return Ok(new
            {
                objectKey,
                url = preSignedUrl
            });

        }

    }
}