import requests
import json 
import sys 
import os
import subprocess

create_release_url = 'https://api.github.com/repos/NyxStudios/TShock/releases'

#Load variables from ENV, which are put there by the bamboo build.
branch = os.environ["GIT_BRANCH"]
tag_name = os.environ["bamboo_tag_name"]
name = os.environ["bamboo_release_name"]
body = os.environ["bamboo_release_body"]

#build release file name using the tag, stripping the 'v' off the front ie 'v.1.2.3' => '.1.2.3' resulting in a file called 'tshock.1.2.3.zip'
release_name = 'tshock_' + tag_name[1:] + '.zip'

#because we can't find any other secure way to get a token into this script run from bamboo :'(
with open('/home/bamboo/scripts/token.py') as f:
    token = f.read().rsplit('=', 1)[1].strip()

#invoke the mv command on the artifact from bamboo to the new name above
subprocess.call('mv tshock_release.zip ' + release_name, shell=True)

#construct the payload for the post request to github to create the release.
data = {'tag_name':tag_name, 'target_commitish':branch, 'name':name, 'body':body, 'draft':False, 'prerelease':False}
#headers for the post request with our oauth token, allowing us write access
create_headers = {'Content-Type': 'application/json', 'Authorization': 'token ' + token}
#payload is a json string, not a strong typed json object
json_data = json.dumps(data)

#make the post request, creating a release
r = requests.post(create_release_url, data=json_data, headers=create_headers)
#parse the response into an object
json_response = json.loads(r.text)

#extract the relevant information from the object needed to attach a binary to the release created previously
release_id = json_response['id']
upload_url = json_response['upload_url'].rsplit('{')[0]

#construct the post url using the release name, as that is required by the api
upload_url = upload_url + '?name=' + release_name

#headers for the post request, need to specify that our file is a zip, and how large it is
upload_headers = {'Authorization': 'token ' + token, 'Content-Type':'application/zip', 'Content-Length':str(os.path.getsize(release_name))}

#upload the binary, resulting in a complete binary
r = requests.post(upload_url, data=open(release_name, 'rb'), headers = upload_headers, verify=False)