#check latest pull request statuses, it no statuses found after 3 min, rebuild the pr
import os
import requests
import datetime
import re
import json
import sys
import traceback

url = 'https://api.github.com/repos/cocos2d/cocos2d-x/pulls?state=open&sort=created&direction=desc'
job_trigger_url=os.environ['JOB_PULL_REQUEST_BUILD_TRIGGER_URL']
access_token = os.environ['GITHUB_ACCESS_TOKEN']
Headers = {"Authorization":"token " + access_token} 
def main():
	r = requests.get(url,headers=Headers)
	payload = r.json()
	#print payload
	for pr in payload:
		pr_num = pr['number']
		r = requests.get(pr['url']+"/commits",headers=Headers)
    		commits = r.json()
		#print commits
    		last_commit = commits[len(commits)-1]
    		message = last_commit['commit']['message']
		
		#print message
    		pattern = re.compile("\[ci(\s+)skip\]", re.I)
    		result_commit_title = pattern.search(message)

    		title = pr['title']
    		result_pr_title = pattern.search(title)
    		if result_commit_title is not None or result_pr_title is not None:
        		print 'skip build for pull request #' + str(pr_num)
        	#return(0)
		s = pr['statuses_url']
		update_time = pr['updated_at']
		#print pr_num
		#print s
		#print update_time
		t = datetime.datetime.strptime(update_time, "%Y-%m-%dT%H:%M:%SZ")
		now = datetime.datetime.utcnow()
		three_minutes = datetime.timedelta(seconds=3*60)
		if (t + three_minutes < now):
			#print pr_num
			statuses = requests.get(s, headers=Headers)
			#print statuses.json()
			if(len(statuses.json()) < 1):
				print pr_num
				payload_forward = {}
				payload_forward['number']=pr_num
				payload_forward['action']=pr['state']
				payload_forward['html_url']=pr['html_url']
				payload_forward['statuses_url']=pr['statuses_url']
				payload_forward['branch']=pr['base']['ref']
				print payload_forward
				post_data = {'payload':""}
				post_data['payload']= json.dumps(payload_forward)

				requests.post(job_trigger_url, data=post_data)

# -------------- main --------------
if __name__ == '__main__':
    sys_ret = 0
    try:
    	main()
    except:
	traceback.print_exc()
	sys_ret = 1
    finally:
	sys.exit(sys_ret)