From 9edca769734daa566136eb88cca96b46f2f61521 Mon Sep 17 00:00:00 2001
From: Nyah Check <check.nyah@gmail.com>
Date: Fri, 4 Aug 2017 18:27:59 -0600
Subject: [PATCH] Fixes to simple api test.

---
 simple.go | 105 +++++++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 88 insertions(+), 17 deletions(-)

diff --git a/simple.go b/simple.go
index 5cdb538..2f3053f 100644
--- a/simple.go
+++ b/simple.go
@@ -5,11 +5,15 @@
 package main
 
 import (
-	"encoding/json"
+	//"encoding/json"
 	"fmt"
+	"io"
+	"os"
+	"os/exec"
 	"io/ioutil"
 	//"log"
 	"net/http"
+	"net/url"
 	
 	"github.com/Sirupsen/logrus"
 
@@ -17,14 +21,24 @@ import (
 	youtube "google.golang.org/api/youtube/v3"
 )
 
+
 const developerKey = "AIzaSyCZSy5sOGsZrOrI0vLtowf_VJ-tl_USzNE"
 
+type RawVideoData struct {
+	Title     				string `json:"title"`
+	Author     				string `json:"author`
+	Status                 	string `json:"status"`
+	URLEncodedFmtStreamMap 	map[string][]string `json:"url_encoded_fmt_stream_map"`
+}
+
+
 func main() {
 
 	videoExtractor := "https://youtube.com/get_video_info?video_id="
-	var dat map[string]interface{}
+	var decodedVideo []string
 	id := "Ks-_Mh1QhMc"
 	
+	video := new(RawVideoData)
 	
 	client := &http.Client{
 		Transport: &transport.APIKey{Key: developerKey},
@@ -35,31 +49,88 @@ func main() {
 		logrus.Fatalf("Error creating new YouTube client: %v", err)
 	}
 
-	// Make GET request to Youtube API.
-	call := service.Videos.List("snippet, contentDetails, liveStreamingDetails, player")
-	call.Id(id)
-	resp, err := call.Do()
-	if err != nil {
-		logrus.Fatalf("Error getting Video response: %v", err)
-	}
-	for cnt, item := range resp.Items {
-                fmt.Printf("\n %d: %+v\n", cnt, item)
-    }
     
 	logrus.Infof("Starting the Video extration process.")
 	
 	//Get Video Data stream
 	videoUrl := videoExtractor + id
 	res, er := http.Get(videoUrl)
-	logrus.Fatalf("Error in GET request: %v", er)
+	if res.StatusCode != 200 || er != nil {
+		logrus.Infof("Status response: %v. Err: %v", res.StatusCode, er)
+	}
 	defer res.Body.Close()
 	out, e := ioutil.ReadAll(res.Body)
-	logrus.Fatalf("Error reading video data", e)
-	if err = json.Unmarshal(out, &dat); err != nil {
-		logrus.Errorf("Error JSON Unmarshall: %v", err)
+	if e != nil {
+		logrus.Fatalf("Error reading video data", e)
+	}
+	output, er := url.ParseQuery(out)
+	if e != nil {
+		logrus.Fatalf("Error unmarshalling output", e)
 	}
+	fmt.Println(string(output))
 	
-	fmt.Println(dat)
+	//Process Video stream
+	video.URLEncodedFmtStreamMap = output["url_encoded_fmt_stream_map"]
+	video.Author  = output["author"]
+	video.Title = output["title"]
+	video.Status = output["status"]
+	
+	//Decode Video
+	outputStreams := strings.Split(video.URLEncodedFmtStreamMap[0], ",")
+	for cur, raw_data := range outputStream {
+		//decoding raw data stream
+		dec_data, err := url.ParseQuery(raw_data)
+		if err != nil {
+			logrus.Errorf("Error Decoding Video data: %d, %v", cur, err)
+			continue
+		}
+		
+		data := map[string]string{
+			"quality": dec_data["quality"][0],
+			"type": dec_data["type"][0],
+			"url": dec_data["url"][0],
+			"sig": dec_data["sig"][0],
+			"title": video.Title,
+			"author": video.Author,
+			"format": dec_data["format"][0],
+		}
+		
+		decodedVideo = append(decodedVideo, data)
+		logrus.Infof("\nDecoded %d bytes of '%s", in '%s' format, len(decodedVideo), dec_data["quality"][0], dec_data["format"][0])
+	}
+	
+	//Download video
+	
+
     
 	return
 }
+
+
+func (stream stream) download(out io.Writer) error {
+	url := stream.Url()
+
+	log("Downloading stream from '%s'", url)
+
+	resp, err := http.Get(url)
+	if err != nil {
+		return fmt.Errorf("requesting stream: %s", err)
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode != 200 {
+		return fmt.Errorf("reading answer: non 200 status code received: '%s'", err)
+	}
+	length, err := io.Copy(out, resp.Body)
+	if err != nil {
+		return fmt.Errorf("saving file: %s (%d bytes copied)", err, length)
+	}
+
+	log("Downloaded %d bytes", length)
+
+	return nil
+}
+
+
+
+
+