import psycopg2
import os
import os.path
import datetime
from datetime import date
import csv
import pdb
import re

if os.name=='nt':
    root = "//WDSENTINEL/share/CorpCDOs/"
elif os.name=='posix':
    root = "/home/share/CorpCDOs/"

def convertToNone(s):
    return None if s=="" else s

conn = psycopg2.connect(database="ET",
                        user="et_user",
                        password="Serenitas1",
                        host="192.168.1.108")
cursor = conn.cursor()

prog = re.compile("\((.*)\)")

cursor.execute("delete from cusip_universe")
count = 0
for i in xrange(9):
    cusip_universe_file = "TrInfo{0}.txt".format(i+1)
    with open( os.path.join(root, "data", cusip_universe_file), "r") as fh:
        dr = csv.DictReader(fh, dialect='excel-tab')
        data = []
        for line in dr:
            count += 1
            if "," in line['Tranche']:
                line["dealname"], line["tranche"] = line["Tranche"].split(",")
            else:
                continue
            line["dealname"] = line["dealname"].lower()
            for key in ['Curr Balance', 'Orig Balance', 'Orig Attachment Point', 'Curr Attachment Point',
                        'Orig Detachment Point', 'Curr Detachment Point', 'Factor', 'Coupon']:
                line[key] = line[key].replace(",", "")
                if prog.match(line[key]):
                    try:
                        line[key] = float(prog.match(line[key]).group(1))
                    except ValueError:
                        pdb.set_trace()
                line[key] = convertToNone(line[key])
            if "," in str(line['Floater Spread']):
                line['Floater Spread'] = line['Floater Spread'].split(",")[0]
            for key in ['Floater Spread', 'Floater Index']:
                if prog.match(line[key]):
                    try:
                        line[key] = float(prog.match(line[key]).group(1))
                    except ValueError:
                        pdb.set_trace()
                line[key] = convertToNone(line[key])
            sqlstring = "INSERT INTO cusip_universe(cusip, ISIN, dealname, tranche," \
                "coupon, Orig_Balance, Curr_Balance, Factor, Orig_moody, Curr_moody, " \
                "Orig_attach, Orig_detach, Curr_attach, Curr_detach, Floater_Index," \
                "Spread) " \
                "VALUES (%(CUSIP)s, %(ISIN)s, %(dealname)s, %(tranche)s, %(Coupon)s, " \
                "%(Orig Balance)s, %(Curr Balance)s, %(Factor)s, %(Orig Moody)s, %(Curr Moody)s, " \
                "%(Orig Attachment Point)s, %(Orig Detachment Point)s, %(Curr Attachment Point)s," \
                "%(Curr Detachment Point)s, %(Floater Index)s, %(Floater Spread)s)"
            try:
                cursor.execute(sqlstring, line)
            except psycopg2.DataError as error:
                pdb.set_trace()
        print count
    conn.commit()

cursor.close()
conn.close()