import sys
import re
import sqlite3
import argparse
from pathlib import Path
from ammosreader.AmmosIFReader import AmmosIFReader
from ammosreader.PPDWReader import PPDWReader

parser = argparse.ArgumentParser()
parser.add_argument('-s', '--source', required=True, help='specify source for given signal')
parser.add_argument('-i', '--input-dir', required=True, help='specify source directory')
parser.add_argument('-o', '--output-file', required=True, help='specify sqlite3 database file')
parser.add_argument('-n', '--signal-number', required=True, help='specify number for signal')
parser.add_argument('-c', '--code', required=True, help='specify code for signal')

args = parser.parse_args()

code = args.code.upper()
signal_number = args.signal_number
input_dir = Path(args.input_dir)
sqlite3_file = Path(args.output_file)

if not re.match('[A-Z][0-9]{3}[A-Z]', code):
    print("ELINT-Code incorrect")
    sys.exit(1)

if not re.match('[0-9]{4}', signal_number):
    print("Signal number incorrect")
    sys.exit(1)

if not input_dir.is_dir():
    print("Input dir invalid")
    sys.exit(1)

dir_name = input_dir.name

files_inside = [each for each in (input_dir.iterdir()) if (each.suffix in ['.idx', '.iqdw', '.ppdw'] and each.stem == dir_name)]

if len(files_inside) != 3:
    print(".idx, .iqdw or .ppdw file missing in", input_dir)
    sys.exit(1)

iqdw_file = (input_dir / input_dir.stem).with_suffix('.iqdw')
ppdw_file = (input_dir / input_dir.stem).with_suffix('.ppdw')
idx_file = (input_dir / input_dir.stem).with_suffix('.idx')

#if not sqlite3_file.is_file():
#    print("Sqlite3 database file not found at", sqlite3_file)
#    sys.exit(1)

try:
    connection = sqlite3.connect(str(sqlite3_file))
    cursor = connection.cursor()
except Exception:
    print("Can not connect to database file", str(sqlite3_file))
    # sys.exit(1)

ammos_reader = AmmosIFReader(str(iqdw_file))
ammos_reader.read_all_frames_left()
print(ammos_reader.container)

ppdw_reader = PPDWReader(ppdw_file)
ppdw_reader.read_all_frames_left()
print(ppdw_reader.container)