import dataclasses
from typing import Mapping, Optional, Sequence, TYPE_CHECKING

if TYPE_CHECKING:
    from agame.action import Action


@dataclasses.dataclass
class DialogOption:
    # The text for this dialog option.
    text: str
    # The actions that get executed upon choosing this dialog option.
    actions: Sequence["Action"] = dataclasses.field(default_factory=list)
    # The variable required for being able to display this dialog option.
    #
    # This variable must not be equal to `False`.
    required_var: Optional[str] = None
    # The next dialog that is chosen.
    next: Optional[str] = None


{
    "main": {
        "type": "reply",
        "options": [
            {
                "text": "What happened here?",
                "next": "main",
                "actions": [],
            },
            {
                "text": "Bye.",
            },
        ],
    },
    "bye": {
        "type": "print",
        "text": "Mhm.",
    },
}