using Infrastructure.Controllers;
using Infrastructure.Model;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using ZR.Common;
using ZR.Model.Business.Dto;

namespace ZR.Admin.WebApi.Controllers
{
    /// <summary>
    /// 腾讯云COS接口
    /// </summary>
    [Route("api/[controller]")]
    [ApiExplorerSettings(GroupName = "sys")]
    public class CosController : BaseController
    {
        private readonly NLog.Logger _logger = NLog.LogManager.GetCurrentClassLogger();

        /// <summary>
        /// 获取上传预签名URL
        /// </summary>
        /// <param name="request">上传请求参数</param>
        /// <returns>预签名URL列表</returns>
        /// <remarks>
        /// 请求示例:
        /// POST /api/cos/getUploadUrls
        /// {
        ///     "recordTime": "2025-01-05T10:00:00",
        ///     "deptName": "技术部",
        ///     "content": "设备检修",
        ///     "workers": ["张三", "李四"],
        ///     "fileExt": ".jpg",
        ///     "imageCount": 3
        /// }
        /// </remarks>
        [HttpPost("getUploadUrls")]
        [AllowAnonymous]
        public IActionResult GetUploadUrls([FromBody] CosUploadUrlsRequest request)
        {
            // 参数验证
            if (request == null)
            {
                return ToResponse(ResultCode.PARAM_ERROR, "请求参数不能为空");
            }

            if (request.ImageCount <= 0)
            {
                return ToResponse(ResultCode.PARAM_ERROR, "图片数量必须大于0");
            }

            if (request.ImageCount > 15)
            {
                return ToResponse(ResultCode.PARAM_ERROR, "单次最多支持15张图片");
            }

            if (string.IsNullOrWhiteSpace(request.DeptName))
            {
                return ToResponse(ResultCode.PARAM_ERROR, "部门名称不能为空");
            }

            if (string.IsNullOrWhiteSpace(request.Content))
            {
                return ToResponse(ResultCode.PARAM_ERROR, "工作内容不能为空");
            }

            if (request.Workers == null || request.Workers.Count == 0)
            {
                return ToResponse(ResultCode.PARAM_ERROR, "参与人员不能为空");
            }

            // 设置默认记录时间
            if (request.RecordTime == default)
            {
                request.RecordTime = DateTime.Now;
            }

            // 设置默认文件扩展名
            if (string.IsNullOrWhiteSpace(request.FileExt))
            {
                request.FileExt = ".jpg";
            }

            try
            {
                var response = CosService.GetUploadUrls(request);
                return SUCCESS(response);
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "获取COS上传URL失败");
                return ToResponse(ResultCode.CUSTOM_ERROR, "获取上传URL失败: " + ex.Message);
            }
        }

        /// <summary>
        /// 获取临时密钥
        /// </summary>
        /// <returns>临时密钥信息</returns>
        /// <remarks>
        /// 用于CS客户端迁移历史数据时直接上传到COS
        /// </remarks>
        [HttpGet("getTempCredentials")]
        [AllowAnonymous]
        public IActionResult GetTempCredentials()
        {
            try
            {
                var credentials = CosService.GetTempCredentials();
                return SUCCESS(credentials);
            }
            catch (Exception ex)
            {
                _logger.Error(ex, "获取COS临时密钥失败");
                return ToResponse(ResultCode.CUSTOM_ERROR, "获取临时密钥失败: " + ex.Message);
            }
        }
    }
}