using AdminService.ImageUpload;
using Common;
using CommonInfrastructure;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace AdminApi.Controllers
{
    [Route("adminapi/[controller]")]
    [ApiController]
    public class ImageUploadController : BaseController
    {
        private readonly IImageUploadService _imageUploadService;

        public ImageUploadController(IImageUploadService imageUploadService)
        {
            _imageUploadService = imageUploadService;
        }

        /// <summary>
        /// 兼容现有前端的通用上传入口。有 name 时按编号覆盖，否则上传到临时目录。
        /// </summary>
        [HttpPost("upload")]
        public async Task<IActionResult> UploadFile(IFormFile file, [FromQuery] string? name = null)
        {
            if (string.IsNullOrWhiteSpace(name))
                name = Request.Form["name"].FirstOrDefault();

            var result = await _imageUploadService.UploadImageAsync(file, name);
            return result.isOk
                ? Json(this.ToResult(new { path = result.path, fileName = result.fileName }))
                : Json(this.ToFailResult<object>(result.errorMessage));
        }

        /// <summary>
        /// 上传公告等临时图片。业务数据保存成功后，由对应业务服务移动到正式目录。
        /// </summary>
        [HttpPost("upload/temp")]
        public async Task<IActionResult> UploadTempFile(IFormFile file)
        {
            var result = await _imageUploadService.UploadImageAsync(file);
            return result.isOk
                ? Json(this.ToResult(new { path = result.path, fileName = result.fileName }))
                : Json(this.ToFailResult<object>(result.errorMessage));
        }

        /// <summary>
        /// 上传道具、碎片等配置图片，按“编号.png”直接覆盖正式图片。
        /// </summary>
        [HttpPost("upload/config")]
        public async Task<IActionResult> UploadConfigFile(IFormFile file, [FromQuery] string? number = null)
        {
            if (!string.Equals(Path.GetExtension(file?.FileName), ".png", StringComparison.OrdinalIgnoreCase))
                return Json(this.ToFailResult<object>("配置图片必须是 PNG 格式"));

            if (string.IsNullOrWhiteSpace(number))
                number = Request.Form["number"].FirstOrDefault();

            number = number?.Trim();
            if (string.IsNullOrWhiteSpace(number)
                || number != Path.GetFileName(number)
                || number.Any(c => !char.IsLetterOrDigit(c) && c != '_' && c != '-'))
            {
                return Json(this.ToFailResult<object>("图片编号无效"));
            }

            var result = await _imageUploadService.UploadImageAsync(file, number);
            return result.isOk
                ? Json(this.ToResult(new { path = result.path, fileName = result.fileName, number }))
                : Json(this.ToFailResult<object>(result.errorMessage));
        }
    }
}