"""

    AUTHOR:

        Khushal P Soonderji

    DATE:

        Saturday, 26th Oct., 2024.

    OBJECTIVE:

        To provide a data models for user-related activities.

    REFERENCES:

        N/A

    DOWNLOADS:

        N/A

"""


#   *****************************************************************************************************************
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# ***                                                   IMPORT                                                      ***
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# To make sibling directories accessible for imports:
import sys
sys.path.append(".")
sys.path.append("..")

# For making data behaviour_models:
from pydantic import BaseModel, Field, field_validator
from typing import Optional, Literal

# My utils:
from utils_v2.string import regex


#   *****************************************************************************************************************
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# ***                                           MACROS / ONE-TIME INIT                                              ***
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# RegEx Patterns:
REGEX_SESSION_TOKEN = r"^[a-f0-9]{8}-[a-f0-9]{4}-[1-5][a-f0-9]{3}-[89ab][a-f0-9]{3}-[a-f0-9]{12}$"


#   *****************************************************************************************************************
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# ***                                                VARIABLES                                                      ***
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# --- Nothing Yet


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# ***                                                  FUNCTIONS                                                    ***
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class ChatAlertRequestHeaders(BaseModel):

    sessionToken: str = Field(
        description = "the session token of the user who is requesting the service",
        pattern = REGEX_SESSION_TOKEN,
        frozen = True,
        alias = "X-Session-Token"
    )

    # ┏┓    ┏•
    # ┃ ┏┓┏┓╋┓┏┓
    # ┗┛┗┛┛┗┛┗┗┫
    #          ┛

    class Config:
        extra = "allow"

    def model_dump(self, *args, **kwargs):
        return super().model_dump(*args, by_alias = True, **kwargs)


# ---------------------------------------------------------------------------------------------------------------------


class ChatAlertRequestData(BaseModel):

    message: str = Field(
        description = "the message that needs to be sent to the admins",
        frozen = True
    )

    format: Literal["plaintext", "markdown", "html"] = Field(
        description = "the format in which the message was sent",
        default = "markdown",
        frozen = True
    )

    type: Literal["info", "warning", "error"] = Field(
        description = "the type of alert that is being sent out",
        default = "info",
        frozen = True
    )

    chatId: str = Field(
        description = "the identifier of the chat to send the message to",
        default = None,
        frozen = True
    )

    chatClient: Literal["telegram", "whatsapp"] = Field(
        description = "the service to send the message through",
        default = "telegram",
        frozen = True
    )

    # ┏┓    ┏•
    # ┃ ┏┓┏┓╋┓┏┓
    # ┗┛┗┛┛┗┛┗┗┫
    #          ┛

    class Config:
        extra = "forbid"

    # ┓┏  ┓• ┓   •
    # ┃┃┏┓┃┓┏┫┏┓╋┓┏┓┏┓
    # ┗┛┗┻┗┗┗┻┗┻┗┗┗┛┛┗

    @field_validator("format", "type", "chatClient", mode = "before")
    def to_lowercase(cls, value):
        if isinstance(value, str): value = value.strip().lower()
        return value


#   *****************************************************************************************************************
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# ***                                               MAIN PROGRAM                                                    ***
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#   *****************************************************************************************************************


if __name__ == "__main__":

    pass