#!/usr/bin/python3
import random

# Player Character Classes
class Adventurer:
    def __init__(self, attributes={}) -> None:
        # using a get() method to pull an attribute else use a default value, https://python-academy.org/en/handbook/get
        self.strength     = attributes.get('strength', roll_dice(3,6))
        self.intelligence = attributes.get('intelligence', roll_dice(3,6))
        self.wisdom       = attributes.get('wisdom', roll_dice(3,6))
        self.dexterity    = attributes.get('dexterity', roll_dice(3,6))
        self.constitution = attributes.get('constitution', roll_dice(3,6))
        self.charisma     = attributes.get('charisma', roll_dice(3,6))
        self.player_class = None

    def __str__(self):
        return f"{self.player_class}"

    def get_attributes(self):
        attribute_list = ['strength', 'intelligence', 'wisdom', 'dexterity', 'constitution', 'charisma']
        return {k: self.__dict__[k] for k in attribute_list}

    def get_best_prime_attribute(self):
        attribute_list = [ 'strength', 'intelligence', 'wisdom', 'dexterity' ]
        prime_attributes =  {k: self.__dict__[k] for k in attribute_list}
        # of those remaining, return highest, found this at https://stackoverflow.com/a/280156
        return max(prime_attributes, key=prime_attributes.get) 

    def roll_equipment(self):
        print("testing!")

        
class Fighter(Adventurer):
    prime_requisite = "strength"
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "fighter"
        self.hp = roll_dice(1, 8)

class MagicUser(Adventurer):
    prime_requisite = "intelligence"
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "magic-user"
        self.hp = roll_dice(1, 4)

class Cleric(Adventurer):
    prime_requisite = "wisdom"
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "cleric"
        self.hp = roll_dice(1, 6)

class Thief(Adventurer):
    prime_requisite = "dexterity"
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "thief"
        self.hp = roll_dice(1, 4)

class Dwarf(Adventurer):
    prime_requisite = "strength"
    requirements = {'constitution' : 9 }
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "dwarf"
        self.hp = roll_dice(1, 8)

class Elf(Adventurer):
    prime_requisite = "intellgence"
    requirements = {'intelligence' : 9 }
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "elf"
        self.hp = roll_dice(1, 6)

class Halfling(Adventurer):
    prime_requisite = "dexterity"
    requirements = {'constitution' : 9, 'dexterity' : 9 }
    def __init__(self, attributes={}) -> None:
        Adventurer.__init__(self, attributes)
        self.player_class = "halfling"
        self.hp = roll_dice(1, 6)

# Player Class Selector
class ClassSelector():
    def __init__(self, player: Adventurer) -> None:
        self.player = player
        self.available_classes = [ Fighter(), MagicUser(), Cleric(), Thief() ]
        self.classes_with_reqs = [ Dwarf(), Elf(), Halfling() ]
        self.selected_class = self.selection()

    def return_class_by_best_attribute(self):
        # 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):
        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):
        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 f"{selected_class}"

class PartyGenerator():
    def __init__(self, party_size=4) -> None:
        self.size = party_size
        self.adventurers = []

    def gen_party(self):
        while len(self.adventurers) < self.size:
            new_player = Adventurer()
            attempts = 0
            while new_player.player_class not in self.adventurers:
                attempts += 1
                my_adv = ClassSelector(new_player).selection()
                new_player.player_class = my_adv
                if new_player.player_class not in self.adventurers:
                    self.adventurers.append(new_player.player_class)
                # i couldnt randomly generate a scenario where a character couldn't be added, but it seems possible, so this is the hard cut off
                elif attempts > 10:
                    self.adventurers.append(new_player.player_class)

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

# functions
def roll_dice(count, sides):
    return sum(random.randint(1,sides) for _ in range(count))

def main():
    new_party = PartyGenerator()
    new_party.gen_party()
    print(new_party)

main()