#! /usr/bin/env python3
from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base
from helper import list_profiles, build_rules_filename, build_database_filename
from schwifty import IBAN
import sys
import click
import os
import yaml
import re

try:
    from yaml import CLoader as Loader, CDumper as Dumper
except ImportError:
    from yaml import Loader, Dumper



@click.command(name="validate")
def command():
    for profile in list_profiles():
        print(f"Checking {profile}...")
        db_path = build_database_filename(profile)
        rules_path = build_rules_filename(profile)

        
        # Rules
        if os.path.exists(rules_path) and os.path.isfile(rules_path):
            with open(rules_path) as fh:
                data = yaml.load(fh, Loader=Loader)

            for rule in data:
                if rule.get("name"):
                    try:
                        re.compile(rule["name"])
                    except:
                        print(f"Invalid name regex: '{rule.get('name')}'")

                if rule.get("description"):
                    try:
                        re.compile(rule["description"])
                    except:
                        print(f"Invalid description regex: '{rule.get('description')}'")

                if rule.get("iban"):
                    try:
                        IBAN(rule.get("iban"))
                    except:
                        print(f"Invalid IBAN: '{rule.get('iban')}'")

            print(f"All rules are valid")
        else:
            print(f"The rule file doesn't exists")
            sys.exit(1)

        # Database
        if os.path.exists(db_path) and os.path.isfile(db_path):
            print(f"Database exists")
        else:
            print(f"The database file doesn't exists")
            sys.exit(1)