using System;
using System.Collections.Generic;
using System.IO;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.StaticFiles;
using Procurement.Enums;
using Volo.Abp.AspNetCore.Mvc;
using Procurement.ViewModel;
using Procurement.Helpers;
using Microsoft.AspNetCore.Hosting;
using System.Runtime.InteropServices;

namespace Procurement.Controllers
{
    [Produces("application/json")]
    [Route("api/[controller]")]
    public class FileController : AbpController
    {
        private readonly IWebHostEnvironment _hostEnvironment;

        public FileController(IWebHostEnvironment hostEnvironment)
        {
            _hostEnvironment = hostEnvironment;
        }

        [Route("version")]
        [HttpGet]
        public async Task<IActionResult> Get(string app = "sfm")
        {
            ResultCode code = ResultCode.Fail, subCode = ResultCode.Fail;
            string subMsg = "";

            string contentRootPath = _hostEnvironment.ContentRootPath;
            string file = "version.txt";
            string pathSymbol = "\\";
            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                pathSymbol = "//";
            }
            var filePath = contentRootPath + pathSymbol + "release" + pathSymbol + app + pathSymbol + file;
            string version = "1.0.0";
            try
            {
                if (System.IO.File.Exists(filePath))
                {
                    version = await System.IO.File.ReadAllTextAsync(filePath);
                    code = ResultCode.Success;
                }
            }
            catch (Exception ex)
            {
            }

            ResultViewModel result = ResultHelper.CreateResult(code, version, subCode, subMsg);
            return Ok(result);
        }

        [Route("download")]
        [HttpGet]
        public FileResult downloadApk(string app = "sfm")
        {
            string contentRootPath = _hostEnvironment.ContentRootPath;
            string pathSymbol = "\\";
            if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            {
                pathSymbol = "//";
            }
            string file = "app-" + app + "-release.apk";
            var addrUrl = contentRootPath + pathSymbol + "release" + pathSymbol + app + pathSymbol + file;
            var stream = System.IO.File.OpenRead(addrUrl);
            string fileExt = Path.GetExtension(file);

            //获取文件的ContentType
            var provider = new FileExtensionContentTypeProvider(new Dictionary<string, string>
                {
                    { ".apk","application/vnd.android.package-archive"},
                });
            var mime = provider.Mappings[fileExt];

            return File(stream, mime, Path.GetFileName(addrUrl));
        }
    }
}