import re
from json import dumps
from parsing.base import ParsingBase

class Parsing(ParsingBase):
    def __init__(self, objects, audit):
        self._parsing = dict()
        self._results = dict()
        self._objects = objects
        self._audit = audit

    def runParsing(self):
        for audit in self._audit:
            if audit['audit'] == 'file':
                with open(audit['value'], 'rb') as fdata:
                    self._parseFile(fdata)
            if audit['audit'] == 'process':
                pass
   
    def _parseFile(self, fdata):
        data = fdata.read()
        lines = data.splitlines()
        numLines = 1

        self._constructResults(filename='/etc/sysctl.conf')

        for line in lines:
            line = line.decode("utf-8")

            for obj in self._objects['sysctl']:
                result = self._parsingFile(line, obj)
                if len(result) == 0:
                    pass
                # If the flag is found
                else:
                    # And if the current value is not setted corectly for the vulnerability
                    print(result)
                    
                    self._results[obj['flag']].append({
                        'lineNumber': numLines,
                        'value': obj['value'],
                        'audit': 'failed' # Or success
                    })
                    
                    if result['value'] != result['current_value']:
                        print(f"You must change the value to {obj['value']} for fixing the vulnerabilities")

            numLines += 1
        print(self._results)

    def _parsingFile(self, line, obj) -> dict:
        """
            This function parse the line and try to find the item in it
        """
        result = dict()

        groupLine = re.search(obj['flag'], line)
        if groupLine:
            # Avoid the comment
            if not line.startswith('#'):
                sLine = line.split('=')
                flag = sLine[0]
                value = int(sLine[1].strip(''))
                #print(sLine)

                result['found'] = flag
                result['current_value'] = value
                result['value'] = obj['value']

                if value != obj['value']:
                    print("Need to change the value")
                    print(sLine)

        return result

    def _constructResults(self, filename):
        """
            Construct dictionary for result of the tests
            Each entry contains:
            Key:
              - filename: filename of the test
              - line: line of the test
              - parse: Display the line where the vulnerabilites has been found
              - description: description of the vulnerabilities
              - level: high, medium or low
        """
        self._results['filename'] = filename

        for sysctl in self._objects['sysctl']:
            self._results[sysctl['flag']] = list()
        print(self._results)
        print("")

    def getResults(self) -> dict:
        result = dict()

        return result