import random

from otree.api import *

doc = """
The principal offers a contract to the agent, who can decide if to reject or
accept. The agent then chooses an effort level. The implementation is based on
<a href="http://www.nottingham.ac.uk/cedex/documents/papers/2006-04.pdf">
    Gaechter and Koenigstein (2006)
</a>.
"""


# """Define shuffling method"""
class Subsession(BaseSubsession):
    pass


# """Define constants"""
class C(BaseConstants):
    NAME_IN_URL = "shareholder_manager_DE_Before"
    PLAYERS_PER_GROUP = None
    NUM_ROUNDS = 1
    PW = "start123"
    INSTRUCTIONS_TEMPLATE = "shareholder_manager_DE_Before/Instructions.html"


class Group(BaseGroup):
    pass


class Player(BasePlayer):
    start_pw = models.StringField()


# FUNCTIONS
# PAGES
class Introduction(Page):
    @staticmethod
    def is_displayed(player: Player):
        return player.round_number == 1

    form_model = "player"
    form_fields = ["start_pw"]

    @staticmethod
    def error_message(player: Player, values):
        if values["start_pw"] != C.PW:
            return "The password is not correct."


page_sequence = [
    Introduction,
]