import sys
import os
import requests
import json
import os
import subprocess

from datetime import datetime

TOKEN = os.environ["GITEA_API_KEY"]

def grab(url):
  r = requests.get(url, headers = {
    "authorization": "token " + TOKEN
  })

  if r.status_code != 200:
    print(url)
    print("oops...")
    print(r.text)
    sys.exit(1)

  return json.loads(r.text)

url = "https://git.crux.best/api/v1/repos/chemicalcrux/{0}/releases".format(sys.argv[1])

data = grab(url)

if data:
  spec = data[0]["tag_name"] + "..master"
else:
  spec = "master"

output = subprocess.check_output(["git", "log", r"--pretty=format:%aI%x00%s%x00%b%x00", spec]).decode("utf-8").split("\x00")

data = []

# last item is an empty string
for i in range(0, len(output)-1, 3):
  entry = {}
  entry["date"] = output[i].strip()
  entry["date"] = datetime.fromisoformat(entry["date"]).strftime("%B %d")
  entry["subject"] = output[i+1].strip()
  entry["body"] = output[i+2].strip()
  data.append(entry)

with open(sys.argv[2], "w", encoding="utf-8") as file:
  json.dump(data, file)