# -*-coding:UTF-8 -*
"""
Base Class for AIL Objects
"""

##################################
# Import External packages
##################################
import os
import sys
from abc import ABC

# from flask import url_for

sys.path.append(os.environ['AIL_BIN'])
##################################
# Import Project packages
##################################
from lib.objects.abstract_object import AbstractObject
from lib.ail_core import get_object_all_subtypes, zscan_iter
from lib.ConfigLoader import ConfigLoader
from lib.item_basic import is_crawled, get_item_domain
from lib.data_retention_engine import update_obj_date

from packages import Date

# LOAD CONFIG
config_loader = ConfigLoader()
r_object = config_loader.get_db_conn("Kvrocks_Objects")
config_loader = None

# # TODO: ADD CORRELATION ENGINE

# # FIXME: SAVE SUBTYPE NAMES ?????

class AbstractSubtypeObject(AbstractObject, ABC):
    """
    Abstract Subtype Object
    """

    def __init__(self, obj_type, id, subtype):
        """ Abstract for all the AIL object

        :param obj_type: object type (item, ...)
        :param id: Object ID
        """
        self.id = id
        self.type = obj_type
        self.subtype = subtype

    def exists(self):
        return r_object.exists(f'meta:{self.type}:{self.subtype}:{self.id}')

    def get_first_seen(self, r_int=False):
        first_seen = r_object.hget(f'meta:{self.type}:{self.subtype}:{self.id}', 'first_seen')
        if r_int:
            if first_seen:
                return int(first_seen)
            else:
                return 99999999
        else:
            return first_seen

    def get_last_seen(self, r_int=False):
        last_seen = r_object.hget(f'meta:{self.type}:{self.subtype}:{self.id}', 'last_seen')
        if r_int:
            if last_seen:
                return int(last_seen)
            else:
                return 0
        else:
            return last_seen

    def get_nb_seen(self):
        nb = r_object.zscore(f'{self.type}_all:{self.subtype}', self.id)
        if not nb:
            nb = 0
        return int(nb)

    # # TODO: CHECK RESULT
    def get_nb_seen_by_date(self, date_day):
        nb = r_object.hget(f'{self.type}:{self.subtype}:{date_day}', self.id)
        if nb is None:
            return 0
        else:
            return int(nb)

    def _get_meta(self, options=None):
        if options is None:
            options = set()
        meta = {'id': self.id,
                'type': self.type,
                'subtype': self.subtype,
                'first_seen': self.get_first_seen(),
                'last_seen': self.get_last_seen(),
                'nb_seen': self.get_nb_seen()}
        if 'icon' in options:
            meta['icon'] = self.get_svg_icon()
        if 'link' in options:
            meta['link'] = self.get_link()
        if 'sparkline' in options:
            meta['sparkline'] = self.get_sparkline()
        return meta

    def set_first_seen(self, first_seen):
        r_object.hset(f'meta:{self.type}:{self.subtype}:{self.id}', 'first_seen', first_seen)

    def set_last_seen(self, last_seen):
        r_object.hset(f'meta:{self.type}:{self.subtype}:{self.id}', 'last_seen', last_seen)

    def update_daterange(self, date):
        date = int(date)
        # obj don't exit
        if not self.exists():
            self.set_first_seen(date)
            self.set_last_seen(date)
        else:
            first_seen = self.get_first_seen(r_int=True)
            last_seen = self.get_last_seen(r_int=True)
            if date < first_seen:
                self.set_first_seen(date)
            if date > last_seen:
                self.set_last_seen(date)

    def get_content(self, r_type='str'):
        if r_type == 'str':
            return self.id
        if r_type == 'bytes':
            return self.id.encode()

    def get_sparkline(self):
        sparkline = []
        for date in Date.get_previous_date_list(6):
            sparkline.append(self.get_nb_seen_by_date(date))
        return sparkline

    def get_graphline(self, date_from=None, date_to=None):
        graphline = []
        # TODO get by daterange
        # if date_from and date_to:
        dates = Date.get_date_range(30)
        for date in dates:
            nb = self.get_nb_seen_by_date(date)
            date = f'{date[0:4]}-{date[4:6]}-{date[6:8]}'
            graphline.append({'date': date, 'value': nb})
        return graphline
#
# HANDLE Others objects ????
#
# NEW field => first record(last record)
#                   by subtype ??????

#               => data Retention + efficient search
#
#
    def _add_subtype(self):
        r_object.sadd(f'all_{self.type}:subtypes', self.subtype)

    def add(self, date, obj=None):
        self._add_subtype()
        self.update_daterange(date)
        update_obj_date(date, self.type, self.subtype)
        # daily
        r_object.hincrby(f'{self.type}:{self.subtype}:{date}', self.id, 1)
        # all subtypes
        r_object.zincrby(f'{self.type}_all:{self.subtype}', 1, self.id)

        #######################################################################
        #######################################################################

        if obj:
            # Correlations
            self.add_correlation(obj.type, obj.get_subtype(r_str=True), obj.get_id())

            if obj.type == 'item': # TODO same for message->chat ???
                item_id = obj.get_id()
                # domain
                if is_crawled(item_id):
                    domain = get_item_domain(item_id)
                    self.add_correlation('domain', '', domain)

    # TODO:ADD objects + Stats
    # def create(self, first_seen, last_seen):
    #     self.set_first_seen(first_seen)
    #     self.set_last_seen(last_seen)

    def _delete(self):
        pass

def get_all_id(obj_type, subtype):
    return r_object.zrange(f'{obj_type}_all:{subtype}', 0, -1)

def get_all_id_iterator(obj_type, subtype):
    return zscan_iter(r_object, f'{obj_type}_all:{subtype}')

def get_subtypes_objs_by_date(obj_type, subtype, date):
    return r_object.hkeys(f'{obj_type}:{subtype}:{date}')

def get_subtypes_objs_by_daterange(obj_type, date_from, date_to, subtype=None):
    if subtype:
        subtypes = [subtype]
    else:
        subtypes = get_object_all_subtypes(obj_type)
    objs = set()
    for date in Date.get_daterange(date_from, date_to):
        for subtype in subtypes:
            for obj_id in get_subtypes_objs_by_date(obj_type, subtype, date):
                objs.add((obj_type, subtype, obj_id))
    return objs


def get_subtypes_objs_range_json(obj_type, date_from, date_to):
    objs_range = []
    dates = Date.get_daterange(date_from, date_to)
    if len(dates) == 1:
        dict_subtype = {}
        subtypes = get_object_all_subtypes(obj_type)
        for subtype in subtypes:
            dict_subtype[subtype] = 0
        for subtype in get_object_all_subtypes(obj_type):
            day_dict = dict_subtype.copy()
            day_dict['date'] = subtype
            # if don't filter duplicates
            # nb = 0
            # for val in r_object.hvals(f'{obj_type}:{subtype}:{dates[0]}'):
            #     nb += int(val)
            # day_dict[subtype] = nb
            day_dict[subtype] = r_object.hlen(f'{obj_type}:{subtype}:{dates[0]}')
            objs_range.append(day_dict)
    else:
        subtypes = get_object_all_subtypes(obj_type)
        for date in dates:
            day_dict = {'date': f'{date[0:4]}-{date[4:6]}-{date[6:8]}'}
            for subtype in subtypes:
                # if don't filter duplicates
                # nb = 0
                # for val in r_object.hvals(f'{obj_type}:{subtype}:{date}'):
                #     nb += int(val)
                # day_dict[subtype] = nb
                day_dict[subtype] = r_object.hlen(f'{obj_type}:{subtype}:{date}')
                objs_range.append(day_dict)

    return objs_range