package business

import (
	"bytes"
	"fmt"
	"net/http"
	"os"
	"os/exec"
	"strconv"
	"strings"
	"time"

	"github.com/gin-gonic/gin"
	"github.com/gin-gonic/gin/binding"

	//"device-manage/app/admin/models"
	"device-manage/app/admin/models/busmodels"
	"device-manage/tools"
	"device-manage/tools/app"
)

// @Summary 获取video列表
// @Description Get JSON
// @Tags video列表
// @Param name query string false "name"
// @Param status query string false "status"
// @Param deviceSn query string false "deviceSn"
// @Param pageSize query int false "页条数"
// @Param pageIndex query int false "页码"
// @Success 200 {object} app.Response "{"code": 200, "data": [...]}"
// @Router /api/v1/device/list/devicelist [get]
// @Security Bearer
func GetVideoList(c *gin.Context) {
	var data busmodels.BusVideo
	var err error
	var pageSize = 10
	var pageIndex = 1

	size := c.Request.FormValue("pageSize")
	if size != "" {
		pageSize, err = tools.StringToInt(size)
	}
	index := c.Request.FormValue("pageIndex")
	if index != "" {
		pageIndex, err = tools.StringToInt(index)
	}

	data.VideoName = c.Request.FormValue("videoName")
	//data.VideoTime = c.Request.FormValue("videoTime")

	result, count, err := data.GetPage(pageSize, pageIndex)
	tools.HasError(err, "", -1)

	app.PageOK(c, result, count, pageIndex, pageSize, "")
}

func GetVideo(c *gin.Context) {
	videoInfo := busmodels.BusVideo{}
	IDS := tools.IdsStrToIdsIntGroup("videoId", c)
	result, err := videoInfo.GetVideo(IDS)
	tools.HasError(err, "获取视频信息出错", -1)
	app.OK(c, result, "")
}

func UpdateVideo(c *gin.Context) {
	var data busmodels.BusVideo
	data.UpdateBy = tools.GetUserIdStr(c)
	err := c.Bind(&data)
	tools.HasError(err, "数据解析失败", -1)
	result, err := data.Update()
	tools.HasError(err, "", -1)
	app.OK(c, result, "修改成功")

}

// uuid 作为保存路径
func UploadVideo(c *gin.Context) {
	videoInfo := busmodels.BusVideo{}
	//获取文件头
	file, err := c.FormFile("file")
	uuid, _ := c.GetPostForm("uuid")
	fmt.Println(uuid)
	if err != nil {
		c.String(http.StatusBadRequest, "请求失败")
		return
	}
	//获取文件名
	fileName := file.Filename
	destName := uuid + "." + strings.Split(fileName, ".")[1]
	destPath := "files/media" + "/" + uuid[0:2] + "/" + uuid[2:4]
	finalPath := destPath + "/" + destName
	fmt.Println("文件名 ：", destName)
	fmt.Println("文件路径：", destPath)
	//保存文件到服务器本地
	//SaveUploadedFile(文件头，保存路径)
	if _, err := os.Stat(destPath); err != nil {
		if err = os.MkdirAll(destPath, os.ModePerm); err != nil {
			fmt.Println(err)
			c.String(http.StatusBadRequest, "保存失败 Error:%s", err.Error())
			return
		}
	}

	if _, err := os.Stat(finalPath); err != nil {
		if _, err = os.Create(finalPath); err != nil {
			fmt.Println(err)
			c.String(http.StatusBadRequest, "保存失败 Error:%s", err.Error())
			return
		}
	}

	if err := c.SaveUploadedFile(file, finalPath); err != nil {
		c.String(http.StatusBadRequest, "保存失败 Error:%s", err.Error())
		return
	}

	path, err := saveMediaCache(uuid, fileName, finalPath)
	if err != nil {
		return
	}
	videoInfo.VideoTitle = fileName
	videoInfo.VideoName = fileName
	videoInfo.VideoPath = destName
	videoInfo.CoverPath = path
	videoInfo.Size = strconv.FormatInt(file.Size, 10)

	app.OK(c, videoInfo, "")
}

func saveMediaCache(uuid, fileName string, filePath string) (string, error) {
	mediaCache := busmodels.BusMediaCache{}
	coverPath := strings.Split(filePath, ".")[0] + ".jpg"
	err, _, _ := Shellout("ffmpeg -i " + filePath + " -y -f image2 -ss 1  -t 0.0001 -s 640x480 " + coverPath)
	//fmt.Println("outStr：", outStr)
	//fmt.Println("errStr：", errStr)
	if err != nil {
		return "", err
	}
	mediaCache.MediaName = fileName
	mediaCache.MediaPath = filePath
	mediaCache.AddCache()
	return uuid + ".jpg", nil
}

func UploadVideoFormInfo(c *gin.Context) {
	var data busmodels.BusVideo
	var cache busmodels.BusMediaCache
	err := c.BindWith(&data, binding.JSON)
	tools.HasError(err, "非法数据格式", 500)
	fmt.Println(data)
	fileName := data.VideoPath
	videoPath := "files/media" + "/" + data.VideoPath[0:2] + "/" + data.VideoPath[2:4] + "/" + fileName
	cache.MediaPath = videoPath
	cache.MediaName = fileName
	if err := cache.GetCache(); err != nil {
		fmt.Println("cache is not existed.")
		tools.HasError(err, "数据已过期.", 500)
	}
	currentTime := time.Now()
	data.UpdateBy = tools.GetUserIdStr(c)
	data.CreateBy = tools.GetUserIdStr(c)
	data.UpdatedAt = currentTime
	data.CreatedAt = currentTime
	if id, err := data.Insert(); err != nil {
		tools.HasError(err, "添加失败", 500)
	} else {
		cache.DeleteCache()
		app.OK(c, id, "添加成功")
	}
}

func DeleteVideo(c *gin.Context) {
	var data busmodels.BusVideo
	data.UpdateBy = tools.GetUserIdStr(c)
	IDS := tools.IdsStrToIdsIntGroup("videoId", c)
	fmt.Println(IDS)
	result, err := data.BatchDelete(IDS)
	tools.HasError(err, "删除失败,已在列表中", 500)
	app.OK(c, result, "删除成功")
}

func DownloadVideo(c *gin.Context) {
	/* var data busmodels.BusVideo

	data.VideoId, _ = tools.StringToInt(c.Param("videoId"))

	//todo download device log
	result, err := data.GetVideo()
	tools.HasError(err, "抱歉未找到相关信息", -1)
	var res app.Response
	res.Data = result
	c.JSON(http.StatusOK, res.ReturnOK()) */
}

// download video and get video info api handler
func GetVideoHandler(c *gin.Context) {
	if c.Param("videoId") == "download" {
		DownloadVideo(c)
	} else {
		GetVideo(c)
	}
}

const ShellToUse = "bash"

func Shellout(command string) (error, string, string) {
	var stdout bytes.Buffer
	var stderr bytes.Buffer
	cmd := exec.Command(ShellToUse, "-c", command)
	cmd.Stdout = &stdout
	cmd.Stderr = &stderr
	err := cmd.Run()
	return err, stdout.String(), stderr.String()
}