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from typing import Tuple
from operator import attrgetter
from dataclasses import dataclass
from utilities import sample_list
from model import Team, Game, PlayerList, CourtList, MAX_LEVEL, PLAYER_PER_COURT
def _create_placeholders(courts: dict, name: str) -> list[Game]:
dummy_team = Team(player1=name, player2=name)
games = [Game(court, dummy_team, dummy_team) for court in courts]
return games
def _normalize_skill(players: dict, new_max: int) -> int:
player_levels = []
for _, player in players.items():
skill_level = player.skill
new_level = round((new_max - 1) * (skill_level / MAX_LEVEL)) + 1
player_levels.append(new_level)
return player_levels
def _create_groups_of_four_players(players: dict, new_max: int) -> list[dict]:
player_levels = _normalize_skill(players, new_max)
identifiers = sample_list([*players], player_levels)
clumps = []
for i in range(0, len(players), PLAYER_PER_COURT):
clumps.append(identifiers[i : i + PLAYER_PER_COURT])
combinations = [{id: players[id] for id in clump} for clump in clumps]
return combinations
def _create_games(courts: dict, players: list[dict], levels: int):
grouped_players = _create_groups_of_four_players(players, levels)
games = []
for court, players in zip(courts, grouped_players):
ids = [*players]
team1 = Team(player1=players[ids[0]].name, player2=players[ids[3]].name)
team2 = Team(player1=players[ids[1]].name, player2=players[ids[2]].name)
games.append(Game(court, team1, team2))
return games
@dataclass
class RoundGenerator:
courts: CourtList
players: PlayerList
round: int = 0
proposal: tuple = tuple()
def __post_init__(self) -> None:
self.history = {key: 0 for key, _ in self.players.get_players().items()}
self.games = self._generate_proposal(MAX_LEVEL)[0]
def _separate_courts(self, courts: dict) -> Tuple[dict, dict]:
possible_games = min(len(courts), self.players.get_possible_game_count())
courts_as_list = list(courts.items())
used_courts = dict(courts_as_list[:possible_games])
unused_courts = dict(courts_as_list[possible_games:])
return used_courts, unused_courts
def _select_players(self, count: int) -> dict:
active_players = self.players.get_active_players()
identifiers = [*active_players]
play_count = [self.history[player_id] for player_id in active_players]
ids = sample_list(identifiers, play_count, count)
return {player_id: active_players[player_id] for player_id in ids}
def _create_inactive_games(self) -> list[Game]:
active_courts, reserved_courts = self.courts.separate_courts()
reserved_games = _create_placeholders(reserved_courts, "RESERVED")
_, unused_courts = self._separate_courts(active_courts)
blank_games = _create_placeholders(unused_courts, "---")
games = reserved_games + blank_games
return games
def _create_active_games(self, total_levels: int):
active_courts, _ = self.courts.separate_courts()
used_courts, _ = self._separate_courts(active_courts)
required_player_count = len(used_courts) * PLAYER_PER_COURT
selected_players = self._select_players(required_player_count)
games = _create_games(used_courts, selected_players, total_levels)
return games, selected_players
def _generate_proposal(self, total_levels: int) -> Tuple[list[Game], dict]:
inactive_games = self._create_inactive_games()
active_games, selected_players = self._create_active_games(total_levels)
games = active_games + inactive_games
games.sort(key=attrgetter("court"))
return games, selected_players
def clear(self) -> list[Game]:
self.proposal = tuple()
return self.games
def propose(self, levels: int) -> list[Game]:
self.proposal = self._generate_proposal(levels)
return self.proposal[0]
def confirm(self) -> list[Game]:
proposed_games, proposed_players = self.proposal
if self.games == proposed_games or len(proposed_games) == 0:
return self.games
self.games = proposed_games
for player_id in proposed_players:
self.history[player_id] = self.history[player_id] + 1
self.proposal = tuple()
self.round += 1
return self.games
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