using Application;
using Application.Dto;

namespace WebApi.Controllers;

/// <summary>
/// 账单导入控制器
/// </summary>
[ApiController]
[Route("api/[controller]/[action]")]
public class BillImportController(
    IImportApplication importApplication
) : ControllerBase
{
    /// <summary>
    /// 上传账单文件
    /// </summary>
    /// <param name="file">账单文件</param>
    /// <param name="type">账单类型（Alipay | WeChat）</param>
    /// <returns></returns>
    [HttpPost]
    public async Task<BaseResponse> UploadFile(
        [FromForm] IFormFile file,
        [FromForm] string type
    )
    {
        // 将IFormFile转换为ImportRequest
        var stream = new MemoryStream();
        await file.CopyToAsync(stream);
        stream.Position = 0;

        var request = new ImportRequest
        {
            FileStream = stream,
            FileExtension = Path.GetExtension(file.FileName).ToLowerInvariant(),
            FileName = file.FileName,
            FileSize = file.Length
        };

        ImportResponse result;

        if (type == "Alipay")
        {
            result = await importApplication.ImportAlipayAsync(request);
        }
        else if (type == "WeChat")
        {
            result = await importApplication.ImportWeChatAsync(request);
        }
        else
        {
            return "账单类型参数错误，必须是 Alipay 或 WeChat".Fail();
        }

        return result.Message.Ok();
    }
}