package upload

import (
	"fmt"
	"kpt-pasture/config"
	"net/http"
	"os"
	"time"

	"gitee.com/xuyiping_admin/pkg/apierr"
	"gitee.com/xuyiping_admin/pkg/xerr"
	"github.com/gin-gonic/gin"
)

func Photos(c *gin.Context) {
	form, err := c.MultipartForm()
	if err != nil {
		apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Customf("No multipartForm: %s", err.Error()))
		return
	}
	files := form.File["uploads"]
	// 验证文件数量
	if len(files) == 0 {
		apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Custom("No files selected"))
		return
	}

	workDir := fmt.Sprintf("%s", config.WorkDir)
	pathDir := fmt.Sprintf("/files/photos/%s", time.Now().Format("20060102"))
	saveDir := fmt.Sprintf("%s/%s", workDir, pathDir)
	if _, err = os.Stat(saveDir); os.IsNotExist(err) {
		if err = os.MkdirAll(saveDir, 0755); err != nil {
			apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Customf("创建目录失败: %s", err.Error()))
			return
		}
	}

	// 处理每个文件
	filePaths := make([]string, len(files))
	timestamp := time.Now().Unix()
	for i, file := range files {
		if file.Header.Get("Content-Type") != "image/jpeg" &&
			file.Header.Get("Content-Type") != "image/png" &&
			file.Header.Get("Content-Type") != "image/gif" {
			apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Customf("图片格式错误: %s", file.Filename))
			return
		}
		if file.Size > 1024*1024*5 {
			apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Custom("单个图片文件不能超过5MB"))
			return
		}
		fpath := fmt.Sprintf("%s/%d_%d_%s", saveDir, timestamp, i+1, file.Filename)
		urlPath := fmt.Sprintf("%s/%d_%d_%s", pathDir, timestamp, i+1, file.Filename)
		if err = c.SaveUploadedFile(file, fpath); err != nil {
			apierr.AbortBadRequest(c, http.StatusBadRequest, xerr.Customf("保存文件失败: %s", err.Error()))
			return
		}
		filePaths[i] = urlPath
	}
	c.JSON(http.StatusOK, gin.H{"code": http.StatusOK, "Msg": "ok", "data": filePaths})
}

func Files(c *gin.Context) {

}

func OssVideo(c *gin.Context) {
	filename := c.Param("name")
	videoPath := fmt.Sprintf("%s/files/video/%s", config.WorkDir, filename)

	// 打开视频文件
	file, err := os.Open(videoPath)
	if err != nil {
		c.JSON(http.StatusNotFound, gin.H{"error": "Video not found"})
		return
	}
	defer file.Close()
	fileInfo, err := file.Stat()
	if err != nil {
		c.JSON(http.StatusInternalServerError, gin.H{"error": "Could not get file info"})
		return
	}

	// 设置响应头
	c.Header("Content-Type", "video/mp4")
	c.Header("Content-Length", fmt.Sprintf("%d", fileInfo.Size()))

	// 流式传输文件内容
	http.ServeContent(c.Writer, c.Request, fileInfo.Name(), fileInfo.ModTime(), file)
}