Abstract Pokemon Simulator.

import collections
import copy
import string
import random

# switch by inputting in the mon to switch to
# use moves by inputting 1, 2, 3, 4 for each move respectively

"""
team A:
A: hp=140, speed=2
B: hp=120, speed=10
team B:
a: hp=180, speed=1
b: hp=260, speed=5

Aa - 100
Ab - 100
Ba - 80
Bb - 60
aA - 100
aB - 80
bA - 50, 90
bB - 60, 50
"""

TEAM_1_SIZE = 3
TEAM_2_SIZE = 3

MAX_SPEED = 10

class Team:
    __slots__ = ("mons", "cur_member")
    def __init__(self, mons, cur_member):
        self.mons = mons
        self.cur_member = cur_member

    @property
    def cur_mon(self):
        return self.mons[self.cur_member]

class Member:
    __slots__ = ("hp", "speed")
    def __init__(self, hp, speed):
        self.hp = hp
        self.speed = speed

"""
team_a_mons_original = collections.OrderedDict({
    "A": Member(hp=140, speed=2),
    "B": Member(hp=120, speed=10),
})

team_b_mons_original = collections.OrderedDict({
    "a": Member(hp=180, speed=1),
    "b": Member(hp=260, speed=5),
})
"""

# Aa: [60, 10, 100]
# Ab: [60, 100, 50]
# Ba: [70, 30]
# Bb: [70, 90]
# aA: [60, 90, 90, 100]
# aB: [20, 60, 70, 90]
# bA: [50, 30, 20, 70]
# bB: [80, 10, 80, 50]

def generate_random_teams():
    team_1_mons = collections.OrderedDict()
    team_2_mons = collections.OrderedDict()
    damages = {}

    for team_1_member in string.ascii_uppercase[:TEAM_1_SIZE]:
        for team_2_member in string.ascii_lowercase[:TEAM_2_SIZE]:
            damages[team_1_member + team_2_member] = []
            damages[team_2_member + team_1_member] = []
            for move_index in range(4):
                damages[team_1_member + team_2_member].append(random.randint(1, 10) * 10)
                damages[team_2_member + team_1_member].append(random.randint(1, 10) * 10)

    team_1_speeds = []
    team_2_speeds = []
    speeds = set(i for i in range(MAX_SPEED + 1))

    if random.randint(1, 2) == 1:
        first_team_speeds = team_1_speeds
        second_team_speeds = team_2_speeds
        first_team_len = TEAM_1_SIZE
        second_team_len = TEAM_2_SIZE
    else:
        first_team_speeds = team_2_speeds
        second_team_speeds = team_1_speeds
        first_team_len = TEAM_2_SIZE
        second_team_len = TEAM_1_SIZE

    for i in range(first_team_len):
        speed = random.randint(1, MAX_SPEED)
        speeds.discard(speed)
        first_team_speeds.append(speed)

    speeds = tuple(speeds)

    for i in range(second_team_len):
        speed = random.choice(speeds)
        second_team_speeds.append(speed)

    for team_1_member in string.ascii_uppercase[:TEAM_1_SIZE]:
        team_1_speed = team_1_speeds.pop(0)
        team_1_mons[team_1_member] = Member(hp=random.randint(10, 30) * 10, speed=team_1_speed)

    for team_2_member in string.ascii_lowercase[:TEAM_2_SIZE]:
        team_2_speed = team_2_speeds.pop(0)
        team_2_mons[team_2_member] = Member(hp=random.randint(10, 30) * 10, speed=team_2_speed)

    return Team(team_1_mons, "A"), Team(team_2_mons, "a"), damages

def print_damages(damages):
    output = ""
    for matchup, damage_values in damages.items():
        output += "%s: %s\n" % (matchup, damage_values)

    print(output)

def print_team(team):
    output = "cur member: %s\n" % team.cur_member
    for team_member in team.mons:
        output += "%s: hp=%s, speed=%s\n" % (team_member, team.mons[team_member].hp, team.mons[team_member].speed)

    print(output)

def print_teams_info(team_1, team_2, damages):
    print_damages(damages)
    print("Team 1:")
    print_team(team_1)
    print("Team 2:")
    print_team(team_2)

def can_switch(team, member):
    if not member in team.mons:
        return False
    if member == team.cur_member:
        return False
    if team.mons[member].hp <= 0:
        return False
    return True

def decide_opponent_action(team_1, team_2, damages):
    # greedy
    damage_list = damages[team_2.cur_member + team_1.cur_member]
    return "%s" % (damage_list.index(max(damage_list)) + 1)

def decide_player_action(team_1):
    move_actions = set(("1", "2", "3", "4"))
    while True:
        action = input("Choose move or switch: ")
        if action in team_1.mons and can_switch(team_1, action):
            return action
        elif action in move_actions:
            return action
        else:
            print("Invalid action!")

def get_opponent_switch_in(team_1, team_2, damages):
    max_damage = 0
    max_damage_team_member = None

    for team_member in team_2.mons:
        this_max_damage = max(damages[team_member + team_1.cur_member])
        if this_max_damage > max_damage:
            max_damage = this_max_damage
            max_damage_team_member = team_member

    return team_member

def get_player_switch_in(team_1):
    while True:
        action = input("Choose switch: ")
        if action in team_1.mons and can_switch(team_1, action):
            return action
        else:
            print("Invalid switch!")

def remove_cur_mon(team, damages):
    del team.mons[team.cur_member]
    new_damages = dict(damages)
    for matchup, damage_value in damages.items():
        if team.cur_member in matchup:
            del new_damages[matchup]
    return new_damages

def do_battle_until_ko():
    team_1_original, team_2_original, damages_original = generate_random_teams()

    while True:
        damages = dict(damages_original)
        team_1 = copy.deepcopy(team_1_original)
        team_2 = copy.deepcopy(team_2_original)

        while True:
            print_teams_info(team_1, team_2, damages)
            opponent_action = decide_opponent_action(team_1, team_2, damages)
            player_action = decide_player_action(team_1)
            player_switched = False
            opponent_switched = False

            if player_action in team_1.mons:
                team_1.cur_member = player_action
                player_switched = True
            if opponent_action in team_2.mons:
                team_2.cur_member = opponent_action
                opponent_switched = True

            if not player_switched:
                team_1_damage = damages[team_1.cur_member + team_2.cur_member][int(player_action) - 1]
            if not opponent_switched:
                team_2_damage = damages[team_2.cur_member + team_1.cur_member][int(opponent_action) - 1]

            if not player_switched and not opponent_switched:
                if team_1.cur_mon.speed > team_2.cur_mon.speed:
                    team_2.cur_mon.hp -= team_1_damage
                    if team_2.cur_mon.hp > 0:
                        team_1.cur_mon.hp -= team_2_damage
                else:
                    team_1.cur_mon.hp -= team_2_damage
                    if team_1.cur_mon.hp > 0:
                        team_2.cur_mon.hp -= team_1_damage
            else:
                if not player_switched:
                    team_2.cur_mon.hp -= team_1_damage
                if not opponent_switched:
                    team_1.cur_mon.hp -= team_2_damage

            if team_1.cur_mon.hp <= 0:
                damages = remove_cur_mon(team_1, damages)
                if len(team_1.mons) == 0:
                    break
                print_teams_info(team_1, team_2, damages)
                team_1.cur_member = get_player_switch_in(team_1)
            elif team_2.cur_mon.hp <= 0:
                damages = remove_cur_mon(team_2, damages)
                if len(team_2.mons) == 0:
                    break
                team_2.cur_member = get_opponent_switch_in(team_1, team_2, damages)

        print_teams_info(team_1, team_2, damages)
        continue_answer = input("Continue? ")
        if continue_answer != "yes" and continue_answer != "y":
            break

do_battle_until_ko()