# Basic twitch bot

import os
import random
import sqlite3
import re
from twitchio.ext import commands
from twitchio.ext import pubsub
from dotenv import load_dotenv
import requests

PREFIX = "!"
DB_PATH = "storage.db"
CHESS_RE = re.compile("\\b(([KQRBN]?[a-h]?[1-8]?x?[a-h][1-8](=?[QRBNqrbn])?)|(O-O(-O)?))[+#]?\\b")


class Bot(commands.Bot):
	def __init__(self):
		super().__init__(token = os.environ["TMI_TOKEN"], prefix=PREFIX, initial_channels=[os.environ["CHANNEL"]])
		self.db_con = sqlite3.connect(DB_PATH)
		self.db_cur = self.db_con.cursor()

		self.db_cur.execute("CREATE TABLE IF NOT EXISTS custom_commands(command TEXT, output_text TEXT, author TEXT)")
		self.db_cur.execute("CREATE TABLE IF NOT EXISTS channel_reward_messages(title TEXT, output_text TEXT)")
		print("Created database table")
		commands = self.db_cur.execute("SELECT count(*) FROM custom_commands").fetchone()
		print(f"{commands[0]} custom commands available")

		self.shuffle_message = "cubes are just balls with corners lmao"

		self.peer_pressure_message = ""
		self.peer_pressure_users = []

		self.hydrate_count = 0

	# Adds a custom command from a string
	async def add_custom_command(self, ctx, command_str, author):
		args = command_str.split(" ", 1)
		if len(args) < 2:
			await ctx.send("lmao plz supply 2 args")
			return
		command_name = args[0]
		command_text = args[1]

		if not command_name.isalnum():
			await ctx.send("lmao that command name is too funky")
			return

		if self.db_cur.execute("SELECT * FROM custom_commands WHERE command=?", [command_name]).fetchone() is not None \
					or self.get_command(command_name) is not None:
			await ctx.send("lmao that command already exists")
			return

		self.db_cur.execute("INSERT INTO custom_commands VALUES (?, ?, ?)", [command_name, command_text, author])
		self.db_con.commit()
		await ctx.send(f"Adding command: \"{PREFIX}{command_name}\" -> \"{command_text}\"")

	async def event_ready(self):
		print(f"Logged in as | {self.nick}")
		print(f"User id is | {self.user_id}")

		# This entire pubsub thing feels so janky... There simply must be a better way to do it
		if "PUBSUB_TOKEN" in os.environ and "PUBSUB_USER_ID" in os.environ:
			self.pubsub = pubsub.PubSubPool(self)
			topics = [
				pubsub.channel_points(os.environ["PUBSUB_TOKEN"])[int(os.environ["PUBSUB_USER_ID"])]
			]
			await self.pubsub.subscribe_topics(topics)

			# Can I put this function somewhere else LMAO
			@self.event()
			async def event_pubsub_channel_points(event: pubsub.PubSubChannelPointsMessage):
				reward_title = event.reward.title
				if reward_title == "Hydrate!": # Hack for hydrate count...
					self.hydrate_count += 1
				result = self.db_cur.execute("SELECT output_text FROM channel_reward_messages WHERE title=?", [reward_title]).fetchone()
				if result is not None:
					message = result[0]
					message = message.replace("%USER%", event.user.name)
					if event.input:
						message = message.replace("%INPUT%", event.input)
					await self.get_channel(os.environ["CHANNEL"]).send(message)

	async def event_message(self, message):
		if message.echo:
			return

		if "CHESS_ADDR" in os.environ and "CHESS_TOKEN" in os.environ:
			await self.handle_chess(message)

		# I really want to do this with the add_command function and have no need for this event_message override, but
		# I cannot for the life of me figure out how to make "anonymous" coroutines (like, async lambda or something),
		# so I'm just manually handling the command here before passing to the command handler
		if message.content.startswith(PREFIX):
			first_token = message.content[len(PREFIX):].strip().split()[0]
			res = self.db_cur.execute("SELECT output_text FROM custom_commands WHERE command=?", [first_token]).fetchone()
			if res is not None:
				output = res[0]
				output = output.replace("%USER%", message.author.name)
				await message.channel.send(output)
				return

		content = message.content.replace(u"\U000E0000", "").strip()
		if content == self.peer_pressure_message:
			if not message.author.name in self.peer_pressure_users:
				self.peer_pressure_users.append(message.author.name)
			if len(self.peer_pressure_users) >= 3:
				await message.channel.send(content)
				self.peer_pressure_users = []
		else:
			self.peer_pressure_message = content
			self.peer_pressure_users = [message.author.name]

		await self.handle_commands(message)

		if len(content.split(" ")) >= 3:
			self.shuffle_message = content

	async def handle_chess(self, message):
		# Don't do this if this is already a chess command (e.g. likely to have false positives when entering FEN)
		if message.content.startswith(PREFIX) and message.content[len(PREFIX):].strip().split()[0] == "chess":
			return

		# Check if the current message contains a chess move and play it
		move_match = CHESS_RE.search(message.content)
		if move_match is not None:
			move = move_match.group()
			headers = {"Authorization": f"Bearer {os.environ['CHESS_TOKEN']}"}
			params = {"chatter": message.author.name, "fullMessage": message.content}
			raw_response = requests.post(f"{os.environ['CHESS_ADDR']}/api/move/{move}", params=params, headers=headers)
			response = raw_response.json()
			if "error" in response:
				await message.channel.send(f"Error: {response['error']}")
			else:
				output = f"Playing move {response['move']['san']}"
				if response["draw"]:
					output += ", game ends in a draw!"
				elif response["checkmate"]:
					output += f", {'black' if response['move']['color'] == 'b' else 'white'} wins by checkmate!"
				output += " !chess"
				await message.channel.send(output)

	@commands.command()
	async def hello(self, ctx: commands.Context):
		# Basic hello world command, executed with "!hello". Reply hello to whoever made the command
		response = f"Hello {ctx.author.name}! "
		if ctx.author.is_broadcaster:
			response += "👑"
		else:
			if ctx.author.is_mod:
				response += "⚔"
			# Uncomment these once twitchio gets a new release
			#elif ctx.author.is_vip:
			#	response += "💎"
			if ctx.author.is_subscriber:
				response += "🤑"
		await ctx.send(response.strip())

	@commands.command()
	async def addcmd(self, ctx: commands.Context):
		# Lets moderators add custom text responses
		if not ctx.author.is_mod:
			await ctx.send("lmao nice try ur not a mod")
			return
		# Not sure if ctx.args is supposed to work but it seems like it doesn't...
		# I want the last arg to not get split anyway, so I do it myself
		args = ctx.message.content.split(" ", 1)
		if len(args) < 2:
			await ctx.send("lmao plz supply 2 args")
			return
		await self.add_custom_command(ctx, args[1], ctx.author.name)

	@commands.command()
	async def removecmd(self, ctx: commands.Context):
		if not ctx.author.is_mod:
			await ctx.send("lmao nice try ur not a mod")
			return

		args = ctx.message.content.split(" ", 1)
		if len(args) < 2:
			await ctx.send("lmao wut command")
			return

		command_name = args[1]
		if self.get_command(command_name) is not None:
			await ctx.send("lmao u cant delet this")
			return

		if self.db_cur.execute("SELECT * FROM custom_commands WHERE command=?", [command_name]).fetchone() is None:
			await ctx.send("lmao wut is that command")
			return

		self.db_cur.execute("DELETE FROM custom_commands WHERE command=?", [command_name])
		self.db_con.commit()
		await ctx.send(f"Deleted command \"{PREFIX}{command_name}\"")

	@commands.command()
	async def help(self, ctx: commands.Context):
		message = "Available commands:"
		for command in self.commands:
			if command not in ["addcmd", "removecmd"] or ctx.author.is_mod:
				message += f" {PREFIX}{command}"
		for command in self.db_cur.execute("SELECT command FROM custom_commands").fetchall():
			message += f" {PREFIX}{command[0]}"
		await ctx.send(message)

	@commands.command()
	async def balls(self, ctx: commands.Context):
		word_list = "cubes are just balls with corners lmao".split(" ")
		random.shuffle(word_list)
		await ctx.send(" ".join(word_list))

	@commands.command()
	async def donation(self, ctx: commands.Context):
		r = requests.get("https://taskinoz.com/gdq/api/")
		await ctx.send(r.text)

	@commands.command()
	async def shuffle(self, ctx: commands.Context):
		shuffled_message_list = self.shuffle_message.split(" ")
		random.shuffle(shuffled_message_list)
		await ctx.send(" ".join(shuffled_message_list))

	# Requested by linguini15
	@commands.command()
	async def shape(self, ctx: commands.Context):
		if random.random() > 0.1:
			solid = random.choice(["tetrahedron", "hexahedron", "octahedron", "dodecahedron", "icosahedron"])
		else:
			# Rarer goofy options
			solid = random.choice(["600 cell", "pentachoric trischiliaoctacositetracontateron"])
		message = f"did you guys know the marble is a{'n' if solid[0] in ['i', 'o'] else ''} {solid}!?!?!?"
		await ctx.send(message)

	@commands.command()
	async def dot(self, ctx: commands.Context):
		responses = [
			"Oh, no way! It's another door!",
			"You found a... What is this? I don't even...",
			"Hey, listen!",
			"Owls creep me out.",
			"I can't remember what that is. I forget... My memory isn't what it used to be. I can't remember...",
			"Hello, what's this? You found a secret passage! Who knows where it leads? I don't.",
			"I'm as confused as you are. I have no idea.",
			"It looks like a book. Yup! it's a book!",
			"You have found a treasure map! A map of what? to where? I don't know! Figure it out yourself!",
			"I wonder what this is...",
			"I wonder what this means...",
			"Something like, oh, I don't know...",
			"...",
			"Uh?",
			"What does it mean?"
		]
		await ctx.send(random.choice(responses))

	# Requested by friendsupporter3829
	@commands.command()
	async def hydratecount(self, ctx: commands.Context):
		await ctx.send(f"Number of hydrates this stream: {self.hydrate_count}")

	# Requested by linguini15
	@commands.command()
	async def calc(self, ctx: commands.Context):
		args = ctx.message.content.split(" ", 1)
		if len(args) < 2:
			await ctx.send("Requires argument to calculate") # No it doesn't lmfao
			return

		components_seed = random.random()
		has_real = components_seed <= 0.85
		has_imaginary = components_seed >= 0.6

		message = ""
		if has_real:
			real = random.triangular(-20, 20)
			message += f"{real:.2f}"
			if random.random() > 0.75:
				message += "π"
		if has_imaginary:
			imag = random.triangular(-20, 20)
			if has_real:
				message += f" {'+' if imag >= 0 else '-'} "
				imag = abs(imag)
			message += f"{imag:.2f}"
			if random.random() > 0.75:
				message += "π"
			message += "i"

		await ctx.send(message)

	# TODO - !weather (requested by linguini15), !chess


def main():
	load_dotenv()
	bot = Bot()
	bot.run()
	# bot.run() is blocking and will stop execution of any below code here until stopped or closed.


if __name__ == "__main__":
	main()