from functools import cached_property
from typing import Any, Dict, List, Union

from discord.ui import button

from discord.enums import ButtonStyle
from discord.interactions import Interaction
from discord.ui import Button, View 

from Christmas.UI.Embed import ChristmasEmbed

class Mail_Paginator(View):
    def __init__(
        self,
        senduser: int,
        embeds: list[ChristmasEmbed],
        timeout: int = 180,
        
    ):
        super().__init__(timeout=timeout)
        self.embeds = embeds
        self.index = 0
        self.senduser = senduser
        self.selected = False
        
    @cached_property
    def total(self) -> int:
        return len(self.embeds)

    async def interaction_check(self, interaction: Interaction) -> bool:
        if user := interaction.user:
            if user.id == self.senduser.id:
                return True

            await interaction.response.send_message(
                "명령어 실행자만 상호작용이 가능합니다.", ephemeral=True
            )

        return False

    @button(label="이전", style=ButtonStyle.primary, emoji="◀")
    async def prev(self, button, interaction: Interaction) -> None:
        self.index -= 1

        if self.index < 0:
            self.index = self.total - 1

        await interaction.response.edit_message(embed=self.embeds[self.index])

    @button(label="다음", style=ButtonStyle.primary, emoji="▶️")
    async def next(self, button, interaction: Interaction) -> None:
        self.index += 1

        if self.index >= self.total:
            self.index = 0

        await interaction.response.edit_message(embed=self.embeds[self.index])

    @button(label="닫기", style=ButtonStyle.danger, emoji="✖️")
    async def close(self, button, interaction: Interaction) -> None:
        await interaction.response.defer()
        self.stop()