from otree.api import (
    models, widgets, BaseConstants, BaseSubsession, BaseGroup, BasePlayer,
    Currency as c, currency_range
)
import random

doc = """
This is a one-shot "Prisoner's Dilemma". Bot is taking over the strategy method of the players and play the game by itself.
"""


class Constants(BaseConstants):
    name_in_url = 'RPD_bot'
    players_per_group = None
    num_rounds = 2

    instructions_template = 'RPD_bot/Instructions.html'

    # payoff if one player cooperate and the other one defects
    betray_payoff = c(50)
    betrayed_payoff = c(12)

    # payoff if both players cooperate or both defect
    both_cooperate_payoff = c(48)
    both_defect_payoff = c(25)

class Subsession(BaseSubsession):
    pass


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    bot_decision = models.StringField(
        choices=['Cooperate', 'Defect'],
        doc="""This player's decision""",
        widget=widgets.RadioSelect
    )
    def other_player(self):
        return self.get_others_in_group()[0]

    def set_bot_decision(self):
        if self.round_number == 1:
            self.bot_decision = self.participant.vars['strategy0']
        elif self.in_round(self.round_number - 1).bot_decision == "Cooperate" and self.in_round(
                self.round_number - 1).other_player().bot_decision == "Cooperate":
            self.bot_decision = self.participant.vars['strategy1']
        elif self.in_round(self.round_number - 1).bot_decision == "Cooperate" and self.in_round(
                self.round_number - 1).other_player().bot_decision == "Defect":
            self.bot_decision = self.participant.vars['strategy2']
        elif self.in_round(self.round_number - 1).bot_decision == "Defect" and self.in_round(
                self.round_number - 1).other_player().bot_decision == "Cooperate":
            self.bot_decision = self.participant.vars['strategy3']
        elif self.in_round(self.round_number - 1).bot_decision == "Defect" and self.in_round(
                self.round_number - 1).other_player().bot_decision == "Defect":
            self.bot_decision = self.participant.vars['strategy4']

    def set_payoff(self):

        payoff_matrix = {
            'Cooperate':
                {
                    'Cooperate': Constants.both_cooperate_payoff,
                    'Defect': Constants.betrayed_payoff
                },
            'Defect':
                {
                    'Cooperate': Constants.betray_payoff,
                    'Defect': Constants.both_defect_payoff
                }
        }

        self.payoff = payoff_matrix[self.bot_decision][self.other_player().bot_decision]