import os
import sys
import csv
import subprocess
import time
import random
import re
import simplejson as json
import click
from s2 import SemanticScholarAPI
from util import *

s2 = SemanticScholarAPI()

@click.command()
@click.option('--fn', '-i', default='missing.csv', help='Filename of CSV (id,)')
def fetch_raw_papers(fn):
  lines = read_csv(fn, keys=False)
  for line in lines:
    paper_id = line[0]
    fetch_raw_paper(paper_id)

def fetch_raw_paper(paper_id):
  os.makedirs(make_raw_paper_path(paper_id), exist_ok=True)
  paper_fn = make_raw_paper_fn(paper_id)
  if os.path.exists(paper_fn):
    return read_json(paper_fn)
  print(paper_id)
  paper = s2.raw_paper(paper_id)
  if paper is None:
    print("Got empty paper?? {}".format(paper_id))
    time.sleep(random.randint(5, 10))
    return None  
  write_json(paper_fn, paper)
  time.sleep(random.randint(5, 10))
  return paper

def make_raw_paper_path(paper_id):
  return './datasets/s2/raw_papers/{}/{}'.format(paper_id[0:2], paper_id)
def make_raw_paper_fn(paper_id):
  return './datasets/s2/raw_papers/{}/{}/paper.json'.format(paper_id[0:2], paper_id)

if __name__ == '__main__':
  fetch_raw_papers()