using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using System.IO;
using WIDESEA_Core;
using WIDESEA_Core.BaseController;
using WIDESEA_Core.Helper;
using WIDESEA_DTO.Inbound;
using WIDESEA_IInboundService;
using WIDESEA_IOutboundService;
using WIDESEA_ITaskInfoService;
using WIDESEA_Model.Models;

namespace WIDESEA_WMSServer.Controllers
{
    /// <summary>
    /// PDA 控制器 - 提供PDA应用下载、上传和版本检查功能
    /// </summary>
    [Route("api/PDA")]
    [Authorize, ApiController]
    public class PDAController : Controller
    {
        private readonly IInboundService _inboundService;
        private readonly IOutboundService _outboundService;
        private readonly ITaskService _taskService;

        /// <summary>
        /// 构造函数
        /// </summary>
        public PDAController(ITaskService taskService, IInboundService inboundService, IOutboundService outboundService)
        {
            _inboundService = inboundService;
            _outboundService = outboundService;
            _taskService = taskService;
        }

        /// <summary>
        /// 下载PDA应用安装包
        /// </summary>
        /// <returns>APK文件或错误信息</returns>
        [HttpPost, HttpGet, Route("DownLoadApp"), AllowAnonymous]
        public virtual ActionResult DownLoadApp()
        {
            const string appDirectory = "Upload/App/";
            const string appFileName = "WMS-PDA.apk";
            string path = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, appDirectory, appFileName);

            if (!System.IO.File.Exists(path))
            {
                return Json(WebResponseContent.Instance.Error("未找到安装包"));
            }

            byte[] fileBytes = System.IO.File.ReadAllBytes(path);
            return File(fileBytes, System.Net.Mime.MediaTypeNames.Application.Octet, appFileName);
        }

        /// <summary>
        /// 上传PDA应用安装包
        /// </summary>
        /// <param name="fileInput">上传的文件</param>
        /// <returns>上传结果</returns>
        [HttpPost, HttpGet, Route("UploadApp"), AllowAnonymous]
        [Consumes("multipart/form-data")]
        public WebResponseContent UploadApp(IEnumerable<IFormFile> fileInput)
        {
            try
            {
                List<IFormFile> files = fileInput.ToList();
                if (files == null || files.Count == 0)
                {
                    return new WebResponseContent { Status = false, Message = "请选择上传的文件" };
                }

                IFormFile formFile = files[0];
                const string appDirectory = "Upload/App/";
                const string appFileName = "WMS-PDA.apk";
                string directoryPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, appDirectory);

                if (!Directory.Exists(directoryPath))
                {
                    Directory.CreateDirectory(directoryPath);
                }

                string backupPath = Path.Combine(directoryPath, $"WMS-PDA{DateTime.Now:yyyyMMddhhmmss}.apk");
                string targetPath = Path.Combine(directoryPath, appFileName);

                // 备份现有文件
                if (System.IO.File.Exists(targetPath))
                {
                    System.IO.File.Move(targetPath, backupPath);
                }

                // 保存新文件
                using (var stream = new FileStream(targetPath, FileMode.Create))
                {
                    formFile.CopyTo(stream);
                }

                return new WebResponseContent { Status = true, Message = "文件上传成功" };
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error($"文件上传失败：{ex.Message}");
            }
        }

        /// <summary>
        /// 获取PDA版本号并检查是否需要更新
        /// </summary>
        /// <param name="version">当前PDA版本号</param>
        /// <returns>是否需要更新的标志</returns>
        [HttpPost, HttpGet, Route("GetPDAVersion"), AllowAnonymous]
        public WebResponseContent GetPDAVersion(string version)
        {
            try
            {
                if (string.IsNullOrEmpty(version))
                {
                    return WebResponseContent.Instance.Error("版本号不能为空");
                }

                string serverVersion = AppSettings.Get("PDAVersion");
                if (int.TryParse(serverVersion, out int serverVersionNum) && int.TryParse(version, out int clientVersionNum))
                {
                    bool needUpdate = serverVersionNum > clientVersionNum;
                    return WebResponseContent.Instance.OK(data: needUpdate);
                }

                return WebResponseContent.Instance.Error("版本号格式错误");
            }
            catch (Exception ex)
            {
                return WebResponseContent.Instance.Error($"版本检查失败：{ex.Message}");
            }
        }
    }
}