import disnake

from disnake.enums import ButtonStyle

class Pagination(disnake.ui.View):
    message: disnake.Message

    def __init__(self, embeds: list[disnake.Embed]) -> None:
        super().__init__(timeout=None)
        self.embeds = embeds
        self.index = 0
        self._update_state()

    def _update_state(self) -> None:
        self.overview.disabled = self.prev_page.disabled = self.index == 0
        self.end_page.disabled = self.next_page.disabled = self.index == len(self.embeds) - 1

    async def on_error(self, error: Exception, item: disnake.ui.Button, inter: disnake.MessageInteraction) -> None:
        """Called if the interaction check failed or any other errors occur within this view"""

        await inter.response.send_message(
            "You Do Not Have Permission To Interact With This Paginator. Contact Support Staff If This Is An Error.",
            ephemeral=True)

    async def interaction_check(self, interaction: disnake.MessageInteraction) -> bool:
        return interaction.message.interaction.author == interaction.author

    @disnake.ui.button(label="Overview", style=disnake.ButtonStyle.primary)
    async def overview(self, button: disnake.ui.Button, interaction: disnake.MessageInteraction):
        self.index = 0
        self._update_state()

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

    @disnake.ui.button(label="Previous", style=disnake.ButtonStyle.secondary)
    async def prev_page(self, button: disnake.ui.Button, interaction: disnake.MessageInteraction):
        self.index -= 1
        self._update_state()

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

    @disnake.ui.button(label="Next", style=disnake.ButtonStyle.secondary)
    async def next_page(self, button: disnake.ui.Button, interaction: disnake.MessageInteraction):
        self.index += 1
        self._update_state()

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

    @disnake.ui.button(label="End", style=disnake.ButtonStyle.primary)
    async def end_page(self, button: disnake.ui.Button, interaction: disnake.MessageInteraction):
        self.index = -1
        self._update_state()

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

class CategoryPaginator(Pagination):
    @disnake.ui.button(label="Home", style=ButtonStyle.blurple)
    async def home_button(self, inter):
        await inter.response.defer()

        guild = inter.guild.id

        # build table of contents embed
        embed = disnake.Embed(
            color = disnake.Colour.random(),
            title = f"{guild.name} Of Applications",
            description = "Select A Category Below To View Those Projects"
        ).set_thumbnail(url = guild.icon)

        topics = ["Beginner Projects", "Intermediate Projects", "WebScraping Projects",
                    "Automation Projects", "TKinter Projects", "Turtle Projects", "OpenCV Projects",
                    "PythonDjango Projects", "Python TTS Projects", "Other Projects"]

        options = [
            disnake.SelectOption(label = topic, value=str(i)) for i, topic in enumerate(topics, start=1)
        ]

        select = disnake.ui.Select(
            placeholder="Select A Category",
            options=options,
            max_values=1,
            custom_id = "meks_hub_category_selector"
        )

        await inter.edit_original_message(embed=embed, components=select)