#!/usr/bin/python3
from adventurers import *
import base64
import json
import random

# Player Class Selector
class AdventurerGen():
    def __init__(self, player: Adventurer) -> None:
        self.player = player
        # https://stackoverflow.com/questions/3862310/how-to-find-all-the-subclasses-of-a-class-given-its-name
        # pull classes that do not have requirements
        self.available_classes = [cls for cls in Adventurer.__subclasses__() if not cls.requirements]
        # pull classes that do have requirements
        self.classes_with_reqs = [cls for cls in Adventurer.__subclasses__() if cls.requirements]
        # run function to randomly select an adventurer class
        self.selected_class = self.selection()

    def return_class_by_best_attribute(self) -> Adventurer:
        # for adventurer classes in available classes, return the one where that classes' prime requisite is equal to the players best attribute
        return [adv_class for adv_class in self.available_classes if adv_class.prime_requisite == self.player.get_best_prime_attribute()][0]

    def return_classes_with_requirements(self) -> list:
        p_attrs = self.player.get_attributes()
        possible_classes = []
        for c in self.classes_with_reqs:
            match_count = 0
            for r in c.requirements:
                if p_attrs[r] >= c.requirements[r]:
                    match_count += 1
            if match_count >= len(c.requirements):
                possible_classes.append(c)
        return possible_classes

    def selection(self) -> Adventurer:
        best_prime_attribute = self.player.get_best_prime_attribute()
        # create an array of possible player classes, add the best choice per player's best core attributes
        possible_classes = [ self.return_class_by_best_attribute() ]
        possible_classes += self.return_classes_with_requirements()
        # randomly select class
        selected_class = random.choice(possible_classes)
        return selected_class

    def create_from_dict(character_dict) -> Adventurer:
        chosen_class = character_dict['player_class']
        c_id = character_dict['identifier']
        level = character_dict['level']
        adv_dict = Adventurer.get_subclass_dict()
        chosen_class = adv_dict[chosen_class]
        new_char = chosen_class(c_id=c_id, level=level)
        for k, v in character_dict.items():
            setattr(new_char,k, v)
        return new_char

class PartyGen():
    def __init__(self, party_size: int, party_level: int) -> None:
        self.size = party_size
        self.level = party_level
        self.adventurers = []
        self.adventurer_types = []

    def gen_party(self) -> None:
        c_id = 1
        while len(self.adventurers) < self.size:
            identifier = "adv-" + str(c_id)
            new_player = Adventurer(identifier, self.level)
            attempts = 0
            while new_player.player_class not in self.adventurer_types:
                attempts += 1
                selected_class = AdventurerGen(new_player).selection()
                new_player = selected_class(new_player.identifier, new_player.level, new_player.get_attributes())
                # i couldnt randomly generate a scenario where a character couldn't be added, but it seems possible, so this is the hard cut off
                if (new_player.player_class not in self.adventurer_types) or (attempts > 10):
                    c_id += 1
                    self.adventurers.append(new_player)
                    self.adventurer_types.append(new_player.player_class)

    def set_party(self, adventurers: list, count: int, level: int):
        self.size = count
        self.level = level
        self.adventurers = adventurers
        self.adventurer_types = []

    def get_new_party(party_size: int, party_level: int):
        # keep variables within expected ranges
        if party_size <= 0 or party_size > 5:
            party_size = 1
        if party_level < 1 or party_level > 5:
            party_level = 1
        # generate an aventuring party per size and level
        new_party = PartyGen(party_size, party_level)
        # for adventurers select classes
        new_party.gen_party()
        # return the created adventurer party
        return new_party 

    def get_character(self, identifer: str) -> Adventurer:
        for adv in self.adventurers:
            if adv.identifier == identifier:
                return adv

    def get_character_sheets(self) -> list:
        sheet_string = ""
        character_sheets = []
        for c in self.adventurers:
            character_sheets.append(c.vertical_sheet())
        return character_sheets

    def get_json(self) -> str:
        party_list = []
        for c in self.adventurers:
            party_list.append(c.get_json())
        party_json = json.dumps(party_list)
        return party_json

    def __str__(self) -> str:
        return f"{self.adventurers}"

# used for local testing
def main():
    adv_dict = Adventurer.get_subclass_dict()
    test_class = adv_dict['cleric']
    new_char = test_class(c_id="adv-1",level=2)
    for line in new_char.vertical_sheet():
        print(line)

if __name__ == "__main__":
    main()