import discord
from redbot.core import commands, Config
from redbot.core.bot import Red
from typing import Optional

# --- Modals for the Commands ---

class OrderModal(discord.ui.Modal, title="Commission/Shop Order"):
    def __init__(self, cog: "KofiShop"):
        super().__init__()
        self.cog = cog

    comm_type = discord.ui.TextInput(label="What type of commission/item is this?")
    payment_status = discord.ui.TextInput(label="Is this free or paid?")
    description = discord.ui.TextInput(label="Please describe your request.", style=discord.TextStyle.paragraph)
    questions = discord.ui.TextInput(label="Any questions for the artist?", style=discord.TextStyle.paragraph, required=False)

    async def on_submit(self, interaction: discord.Interaction):
        if not interaction.guild:
            return await interaction.response.send_message("This must be used in a server.", ephemeral=True)

        order_channel_id = await self.cog.config.guild(interaction.guild).order_channel()
        if not order_channel_id:
            return await interaction.response.send_message("The order channel has not been set by an admin.", ephemeral=True)

        order_channel = interaction.guild.get_channel(order_channel_id)
        if not isinstance(order_channel, discord.TextChannel):
            return await interaction.response.send_message("The configured order channel is invalid.", ephemeral=True)

        embed = discord.Embed(
            title="New Order Placed",
            description=f"Submitted by {interaction.user.mention}",
            color=0x00ff00 # Green for new orders
        )
        embed.add_field(name="Item/Commission Type", value=self.comm_type.value, inline=False)
        embed.add_field(name="Payment Status", value=self.payment_status.value, inline=False)
        embed.add_field(name="Description", value=self.description.value, inline=False)
        if self.questions.value:
            embed.add_field(name="Questions", value=self.questions.value, inline=False)
        
        try:
            await order_channel.send(embed=embed)
            await interaction.response.send_message("Your order has been successfully submitted!", ephemeral=True)
        except discord.Forbidden:
            await interaction.response.send_message("I don't have permission to send messages in the order channel.", ephemeral=True)

class ReviewModal(discord.ui.Modal, title="Leave a Review"):
    def __init__(self, cog: "KofiShop"):
        super().__init__()
        self.cog = cog

    item_name = discord.ui.TextInput(label="What item/commission are you reviewing?")
    rating = discord.ui.TextInput(label="Rating (e.g., 10/10)")
    review_text = discord.ui.TextInput(label="Your Review", style=discord.TextStyle.paragraph)

    async def on_submit(self, interaction: discord.Interaction):
        if not interaction.guild:
            return await interaction.response.send_message("This must be used in a server.", ephemeral=True)

        review_channel_id = await self.cog.config.guild(interaction.guild).review_channel()
        if not review_channel_id:
            return await interaction.response.send_message("The review channel has not been set by an admin.", ephemeral=True)

        review_channel = interaction.guild.get_channel(review_channel_id)
        if not isinstance(review_channel, discord.TextChannel):
            return await interaction.response.send_message("The configured review channel is invalid.", ephemeral=True)

        embed = discord.Embed(
            title=f"New Review for: {self.item_name.value}",
            description=f"Submitted by {interaction.user.mention}",
            color=0xadd8e6 # Pastel Blue
        )
        embed.add_field(name="Rating", value=self.rating.value, inline=False)
        embed.add_field(name="Review", value=self.review_text.value, inline=False)
        
        try:
            await review_channel.send(embed=embed)
            await interaction.response.send_message("Thank you! Your review has been submitted.", ephemeral=True)
        except discord.Forbidden:
            await interaction.response.send_message("I don't have permission to send messages in the review channel.", ephemeral=True)


class KofiShop(commands.Cog):
    """
    A cog to manage Ko-fi shop orders and reviews.
    """

    def __init__(self, bot: Red):
        self.bot = bot
        self.config = Config.get_conf(self, identifier=5566778899, force_registration=True)

        default_guild = {
            "order_channel": None,
            "review_channel": None,
            "waitlist_channel": None
        }
        self.config.register_guild(**default_guild)

    # --- Commands ---
    @commands.hybrid_command()
    @commands.guild_only()
    async def order(self, ctx: commands.Context):
        """Place an order for a shop or commission item."""
        if not ctx.interaction:
            return
        # We pass `self` (the cog instance) to the modal
        await ctx.interaction.response.send_modal(OrderModal(self))

    @commands.hybrid_command()
    @commands.guild_only()
    async def review(self, ctx: commands.Context):
        """Leave a review for a completed shop or commission item."""
        if not ctx.interaction:
            return
        await ctx.interaction.response.send_modal(ReviewModal(self))

    @commands.hybrid_command() # type: ignore
    @commands.guild_only()
    @commands.admin_or_permissions(manage_guild=True)
    async def waitlist(self, ctx: commands.Context, user: discord.Member, *, item: str):
        """Add a user and their requested item to the waitlist."""
        if not ctx.guild or not isinstance(ctx.channel, discord.TextChannel):
             return await ctx.send("This command must be used in a server's text channel.", ephemeral=True)
        
        waitlist_channel_id = await self.config.guild(ctx.guild).waitlist_channel()
        if not waitlist_channel_id:
            return await ctx.send("The waitlist channel has not been set by an admin.", ephemeral=True)

        waitlist_channel = ctx.guild.get_channel(waitlist_channel_id)
        if not isinstance(waitlist_channel, discord.TextChannel):
            return await ctx.send("The configured waitlist channel is invalid.", ephemeral=True)

        message = f"**{item}** ིྀ  {user.mention} ✧  in {ctx.channel.mention}"
        
        try:
            await waitlist_channel.send(message)
            await ctx.send(f"{user.mention} has been added to the waitlist for '{item}'.", ephemeral=True)
        except discord.Forbidden:
            await ctx.send(f"I don't have permission to send messages in the waitlist channel.", ephemeral=True)

    # --- Settings Commands ---
    @commands.group(aliases=["kset"]) # type: ignore
    @commands.guild_only()
    @commands.admin_or_permissions(manage_guild=True)
    async def kofiset(self, ctx: commands.Context):
        """
        Configure the KofiShop settings.
        """
        pass

    @kofiset.command(name="orderchannel")
    async def kofiset_order(self, ctx: commands.Context, channel: discord.TextChannel):
        """Set the channel where new orders will be sent."""
        if not ctx.guild: return
        await self.config.guild(ctx.guild).order_channel.set(channel.id)
        await ctx.send(f"Order channel has been set to {channel.mention}.")

    @kofiset.command(name="reviewchannel")
    async def kofiset_review(self, ctx: commands.Context, channel: discord.TextChannel):
        """Set the channel where new reviews will be sent."""
        if not ctx.guild: return
        await self.config.guild(ctx.guild).review_channel.set(channel.id)
        await ctx.send(f"Review channel has been set to {channel.mention}.")

    @kofiset.command(name="waitlistchannel")
    async def kofiset_waitlist(self, ctx: commands.Context, channel: discord.TextChannel):
        """Set the channel where waitlist notifications will be sent."""
        if not ctx.guild: return
        await self.config.guild(ctx.guild).waitlist_channel.set(channel.id)
        await ctx.send(f"Waitlist channel has been set to {channel.mention}.")


async def setup(bot: Red):
    await bot.add_cog(KofiShop(bot))