package handler

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"net/http"
	"os"
	"time"
	"videoplayer/service"
)

// video获取视频列表请求
type gvlReq struct {
	StartTime string `json:"begin"`
	EndTime   string `json:"end"`
	IP        string `json:"ip"`
	Token     string `json:"token"`
}

// video添加视频记录请求
type videoReq struct {
	CameraID   int    `json:"camera_id"`
	VideoPath  string `json:"video_path"`
	VideoName  string `json:"video_name"`
	AuthId     int    `json:"auth_id"`
	Human      int    `json:"human"`
	IsDelete   int    `json:"is_delete"`
	CreateTime string `json:"create_time"`
	EndTime    string `json:"end_time"`
	DeleteTime string `json:"delete_time"`
	FileSize   int    `json:"file_size"`
}

type videoUpdateReq struct {
	ID         int    `json:"id"`
	CameraID   int    `json:"camera_id"`
	VideoPath  string `json:"video_path"`
	VideoName  string `json:"video_name"`
	AuthId     int    `json:"auth_id"`
	Human      int    `json:"human"`
	IsDelete   int    `json:"is_delete"`
	CreateTime string `json:"create_time"`
	EndTime    string `json:"end_time"`
	DeleteTime string `json:"delete_time"`
	FileSize   int    `json:"file_size"`
}

// video播放视频请求
type videoPReq struct {
	ID     int    `json:"id"`
	Token  string `json:"token"`
	AuthId string `json:"userId"`
	IP     string `json:"ip"`
}

type VideoDelReq struct {
	ID int `json:"id"`
}

// video延迟视频请求
type delayReq struct {
	ID     int `json:"id"`
	AuthId int `json:"userId"`
	Day    int `json:"day"`
}

func SetUpVideoGroup(router *gin.Engine) {
	videoGroup := router.Group("/video")
	videoGroup.POST("/get_video_list", GetVideoList)
	videoGroup.POST("/create", CreateVideo)
	videoGroup.GET("/mp4", GetVideo)
	videoGroup.POST("/delay", DelayVideo)
	videoGroup.POST("/delete", DeleteVideo)
	videoGroup.POST("/update", UpdateVideo)
}
func UpdateVideo(c *gin.Context) {
	var video_req videoUpdateReq
	user_id, _ := c.Get("id")
	if err := c.ShouldBindJSON(&video_req); err == nil {
		res := service.UpdateVideo(video_req.VideoPath, video_req.VideoName, video_req.CameraID, video_req.ID, int(user_id.(float64)), video_req.Human, video_req.IsDelete, video_req.CreateTime, video_req.EndTime, video_req.FileSize)
		if !res {
			c.JSON(http.StatusBadRequest, gin.H{"error": "update video failed", "code": 1, "message": "failed"})
			return
		}
		c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success"})
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
	}
}

func GetVideo(c *gin.Context) {
	var vp_req videoPReq
	if err := c.ShouldBindQuery(&vp_req); err == nil {
		video := service.GetVideo(vp_req.ID, c.GetInt("id"))
		name := video.VideoName
		path := video.VideoPath
		if video.IsDelete == 0 {
			// 打开文件
			file, err := os.Open(path + name)
			if err != nil {
				c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
				return
			}
			defer file.Close()
			// 设置响应头
			c.Header("Content-Type", "video/mp4")

			// 开始传输文件
			http.ServeContent(c.Writer, c.Request, name, time.Now(), file) // 传输文件, 传输文件的内容类型, 文件名, 文件最后修改时间, 文件

			// 返回文件
			c.JSON(http.StatusOK, gin.H{"message": "success", "code": 200})
		} else {
			c.JSON(http.StatusBadRequest, gin.H{"error": "video is deleted"})
		}
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
	}
}
func CreateVideo(c *gin.Context) {
	var video_req videoReq
	user_id, _ := c.Get("id")
	if err := c.ShouldBindJSON(&video_req); err == nil {
		fmt.Println(video_req)
		id := service.CreateVideo(video_req.VideoPath, video_req.VideoName, video_req.CameraID, int(user_id.(float64)), video_req.Human, video_req.IsDelete, video_req.CreateTime, video_req.EndTime, video_req.FileSize)
		if id == 0 {
			c.JSON(http.StatusBadRequest, gin.H{"error": "create video failed", "code": 1, "message": "failed"})
			return
		}
		c.JSON(http.StatusOK, gin.H{"id": id, "code": 0, "message": "success"})
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
	}
}

func GetVideoList(c *gin.Context) {
	var gvl_req gvlReq
	id, _ := c.Get("id")
	if err := c.ShouldBindJSON(&gvl_req); err == nil {
		videos := service.GetVideoList(int(id.(float64)), gvl_req.StartTime, gvl_req.EndTime)
		c.JSON(http.StatusOK, gin.H{"videos": videos, "code": 0, "message": "success"})
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
	}
}

func DelayVideo(c *gin.Context) {
	var delay_req delayReq
	id, _ := c.Get("id")
	if err := c.ShouldBindJSON(&delay_req); err == nil {
		service.DelayVideo(delay_req.ID, int(id.(float64)), delay_req.Day)
		c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success"})
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
	}
}

func DeleteVideo(c *gin.Context) {
	var video_req VideoDelReq
	id, _ := c.Get("id")
	if err := c.ShouldBindJSON(&video_req); err == nil {
		service.DeleteVideo(video_req.ID, int(id.(float64)))
		c.JSON(http.StatusOK, gin.H{"code": 0, "message": "success"})
	} else {
		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error(), "code": 1, "message": "failed"})
	}
}