import os								# OS Locations
import yaml								# YAML parser for Bot config files
import asyncio							# Discord Py Dependency
import discord							# Main Lib
from discord.ext import commands		# Commands module
from discord_slash import SlashCommand, SlashContext, cog_ext, utils			# Slash Command Library
from discord_slash.utils.manage_commands import create_choice, create_option, create_permission	# Slash Command features
from discord_slash.model import SlashCommandPermissionType, ButtonStyle
from discord_slash.client import SlashCommand
from discord_slash.utils.manage_components import create_select, create_select_option, create_actionrow, wait_for_component, create_button, create_actionrow

from bot import configFile, yaml_load, yaml_dump, cogsDir, unloadCog, dataFile, lookupFile, gmFile, categoriesFile

#### Pitch Command

class Pitch(commands.Cog, name='Pitch Command'):
	def __init__(self, client):
		self.client = client

	conf=yaml_load(configFile)
	permissions={}
	guild_ids = list(set.intersection(set([int(guildKey) for guildKey in yaml_load(configFile) if yaml_load(configFile)[guildKey]['timeslots']]),set([int(guildKey) for guildKey in yaml_load(configFile) if 'bot' in yaml_load(configFile)[guildKey]['roles'] and type(yaml_load(configFile)[guildKey]['roles']['bot']) is int])))
	for guildID in guild_ids:
		permissions[guildID] = []
		permissions[guildID].append(create_permission(id=conf[str(guildID)]['owner'],id_type=SlashCommandPermissionType.USER,permission=True))
		for admin in conf[str(guildID)]['roles']['admin']: permissions[guildID].append(create_permission(id=admin,id_type=SlashCommandPermissionType.ROLE,permission=True))
	permissions[guildID] = []
	permissions[guildID].append(create_permission(id=conf[str(guildID)]['owner'],id_type=SlashCommandPermissionType.USER,permission=True))
	for admin in conf[str(guildID)]['roles']['admin']: permissions[guildID].append(create_permission(id=admin,id_type=SlashCommandPermissionType.ROLE,permission=True))

	@cog_ext.cog_slash(
		name='pitch',
		description='Designates the various key roles referenced by the Bot.',
		default_permission=False,
		permissions=permissions,
		guild_ids=guild_ids,
	)
	async def _pitch(self, ctx:SlashContext):
		await ctx.channel.trigger_typing()
		conf = yaml_load(configFile)
		data = yaml_load(dataFile)
		lookup = yaml_load(lookupFile)
		gms = yaml_load(gmFile)
		categories = yaml_load(categoriesFile)
		pitches = {}
		guildStr = str(ctx.guild.id)
		if 'timeslots' not in conf[guildStr]: conf[guildStr]['timeslots'] = {}
		tsDict = {k: conf[guildStr]['timeslots'][k] for k in data[guildStr] if data[guildStr][k]}
		optionsList = [create_select_option(label=tsDict[x], value=x, description=x) for x in tsDict]
		try:
			m = await ctx.send(
				content='```Select which time slot for which you would like to run pitches for.```',
				delete_after=5,
				components=[
					create_actionrow(
						create_select(
							placeholder='Time Slot',
							options= optionsList,
							min_values=1,
							max_values=1
						)
					)
				]
			)
			while True:
				select_ctx = await wait_for_component(self.client,messages=m, timeout=5)
				if select_ctx.author != ctx.author:
					await select_ctx.send(f'```Invalid response: you are not the person who issued the command.```', hidden=True)
				else:
					break
			await m.delete()
			[timeslot] = select_ctx.selected_options
		except asyncio.TimeoutError:
			await ctx.send(f'```Error: Command timed out.```', hidden=True)
			return
		await ctx.channel.trigger_typing()
		p = discord.PermissionOverwrite()
		p.read_messages = False
		p.send_messages = False
		await ctx.channel.edit(
			reason=f'/pitch command issued by {ctx.author.display_name}',
			overwrites = {
				ctx.guild.default_role: p
			}
		)
		if guildStr not in pitches: pitches[guildStr] = {}
		if timeslot not in pitches[guildStr]: pitches[guildStr][timeslot] = {}
		pitches[guildStr][timeslot]['entries'] = [x for x in data[guildStr][timeslot].values()]
		pitches[guildStr][timeslot]['entries'].sort(key= lambda x: x['game_title'])
		header_message = await ctx.channel.send(
			content=f'**Game listing for {conf[guildStr]["timeslots"][timeslot]}**\n_ _```The following are the games that are being pitched. Please select which game you would like to join by clicking on the `Join` button below.```'
		)
		pitches[guildStr][timeslot]['messages'] = []
		pitches[guildStr][timeslot]['roles'] = {}
		for index, element in enumerate(pitches[guildStr][timeslot]['entries']):
			gm = await self.client.fetch_user(element["gm"])
			o = f'_ _\n***{element["game_title"]}*** (GM: {gm.mention})\n```\n'
			if element['system'] is not None: o = ''.join([o,f'System: {element["system"]}\n'])
			if element['min_players'] is not None: o = ''.join([o,f'Minimum Players: {str(element["min_players"])}	'])
			if element['max_players'] is not None: o = ''.join([o,f'Maximum Players: {str(element["max_players"])}\n'])
			if element['platform'] is not None: o = ''.join([o,f'Platform: {element["platform"]}\n'])
			o = ''.join([o,f'```'])
			spaces_remaining = element["max_players"] - element["current_players"]
			o = ''.join([o,f'~~Spaces Remaining: {str(0)}~~'])if spaces_remaining <= 0 else ''.join([o,f'Spaces Remaining: {str(spaces_remaining)}'])
			m = await ctx.channel.send(
				content=o,
				components=[
					create_actionrow(
						create_button(
							style=ButtonStyle.green,
							label='Join',
							emoji='🉑',
							custom_id=f'join_{index}'
						),
						create_button(
							style=ButtonStyle.red,
							label='Leave',
							emoji='🈳',
							custom_id=f'leave_{index}'
						)
					)
				]
			)
			pitches[guildStr][timeslot]['messages'].append(m)
			pitches[guildStr][timeslot]['roles'][index] = discord.utils.find(lambda x: x.id == element['role'],ctx.guild.roles)
		newcomer = returning_player = None
		if 'newcomer' in conf[guildStr]['roles']: newcomer = discord.utils.find(lambda x: x.id == conf[guildStr]['roles']['newcomer'], ctx.guild.roles)
		if 'returning_player' in conf[guildStr]['roles']: returning_player = discord.utils.find(lambda x: x.id == conf[guildStr]['roles']['returning_player'], ctx.guild.roles)
		buttons = []
		if returning_player is not None:
			buttons.append(
				create_button(
					style= ButtonStyle.grey,
					label= 'Allow Returning Players',
					emoji= '🔁',
					custom_id='allow_returning'
				)
			)
		if newcomer is not None:
			buttons.append(
				create_button(
					style= ButtonStyle.grey,
					label= 'Allow Newcomers',
					emoji= '🆕',
					custom_id='allow_newcomers'
				)
			)
		buttons.append(
			create_button(
				style= ButtonStyle.green,
				label= 'Allow All',
				emoji='🚪',
				custom_id='allow_all'
			)
		)
		buttons.append(
			create_button(
				style= ButtonStyle.red,
				label= 'Close Pitches',
				emoji='🔒',
				custom_id='close_pitches'
			)
		)
		control = await ctx.channel.send(
			content='_ _\n```Control Panel:\nFor Admin Use Only```',
			components=[
				create_actionrow(
					*buttons
				)
			]
		)
		while True:
			button_ctx = await wait_for_component(
				self.client,
				messages=pitches[guildStr][timeslot]['messages'] + [control]
			)
			if button_ctx.origin_message.id == control.id:
				if not (set(ctx.author.roles) & set([ctx.guild.get_role(x) for x in conf[str(ctx.guild.id)]['roles']['admin']]) or ctx.author == ctx.guild.owner):
					await button_ctx.send(f'```Error: You are not authorised to do this. The control panel may only be issued by an administrator.```',hidden=True)
				else:
					if button_ctx.custom_id == 'allow_returning':
						await ctx.channel.set_permissions(reason=f'/pitch command issued by {ctx.author.display_name}', target=returning_player, read_messages=True)
						await button_ctx.send(f'```Returning Players have now been allowed access to the pitch menu.```',  hidden=True)
					if button_ctx.custom_id == 'allow_newcomers':
						await ctx.channel.set_permissions(reason=f'/pitch command issued by {ctx.author.display_name}', target=newcomer, read_messages=True)
						await button_ctx.send(f'```Newcomers have now been allowed access to the pitch menu.```',  hidden=True)
					if button_ctx.custom_id == 'allow_all':
						await ctx.channel.set_permissions(reason=f'/pitch command issued by {ctx.author.display_name}', target=ctx.guild.default_role, read_messages= True, send_messages=False)
						await button_ctx.send(f'```All members have now been allowed access to the pitch menu.```', hidden=True)
					if button_ctx.custom_id == 'close_pitches': break
			else:
				index = int(button_ctx.custom_id.split('_',1)[1])
				if button_ctx.custom_id.startswith('join_'):
					if set(button_ctx.author.roles) & set(pitches[guildStr][timeslot]['roles']):
						for role in list(set(button_ctx.author.roles) & set(pitches[guildStr][timeslot]['roles'])):
							if role != pitches[guildStr][timeslot]['roles'][index]:
								await button_ctx.author.remove_roles(role,reason=f'/pitch interaction by {button_ctx.author.display_name}')
								data[guildStr][timeslot][str(role.id)]['current_players'] -= 1
								element = pitches[guildStr][timeslot]['entries'][index]
								gm = await self.client.fetch_user(element['gm'])
								o = f'_ _\n***{element["game_title"]}*** (GM: {gm.mention})\n```\n'
								if element['system'] is not None: o = ''.join([o,f'System: {element["system"]}\n'])
								if element['min_players'] is not None: o = ''.join([o,f'Minimum Players: {str(element["min_players"])}	'])
								if element['max_players'] is not None: o = ''.join([o,f'Maximum Players: {str(element["max_players"])}\n'])
								if element['platform'] is not None: o = ''.join([o,f'Platform: {element["platform"]}\n'])
								o = ''.join([o,f'```'])
								spaces_remaining = element["max_players"] - element["current_players"]
								o = ''.join([o,f'~~Spaces Remaining: {str(0)}~~'])if spaces_remaining <= 0 else ''.join([o,f'Spaces Remaining: {str(spaces_remaining)}'])
								await pitches[guildStr][timeslot]['messages'][index].edit(content=o)
								tc = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['text_channel'],ctx.guild.text_channels)
								if tc is None:
									c = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['category'],ctx.guild.categories)
									if c is not None:
										tPos = len(ctx.guild.channels)
										for t in c.text_channels:
											if t.position <= tPos:
												tc = t
												tPos = t.position
								if tc is not None:
									await tc.send(f'```{button_ctx.author.display_name} has left the game.```')
					role = pitches[guildStr][timeslot]['roles'][index]
					if role in button_ctx.author.roles:
						await button_ctx.send(f'```Error: You are already in the game `{lookup[guildStr][str(role.id)]["game_title"]}`.```', hidden=True)
					else:
						await button_ctx.author.add_roles(role,reason=f'/pitch interaction by {button_ctx.author.display_name}')
						data[guildStr][timeslot][str(role.id)]['current_players'] += 1
						element = pitches[guildStr][timeslot]['entries'][index]
						gm = await self.client.fetch_user(element['gm'])
						o = f'_ _\n***{element["game_title"]}*** (GM: {gm.mention})\n```\n'
						if element['system'] is not None: o = ''.join([o,f'System: {element["system"]}\n'])
						if element['min_players'] is not None: o = ''.join([o,f'Minimum Players: {str(element["min_players"])}	'])
						if element['max_players'] is not None: o = ''.join([o,f'Maximum Players: {str(element["max_players"])}\n'])
						if element['platform'] is not None: o = ''.join([o,f'Platform: {element["platform"]}\n'])
						o = ''.join([o,f'```'])
						spaces_remaining = element["max_players"] - element["current_players"]
						o = ''.join([o,f'~~Spaces Remaining: {str(0)}~~'])if spaces_remaining <= 0 else ''.join([o,f'Spaces Remaining: {str(spaces_remaining)}'])
						await pitches[guildStr][timeslot]['messages'][index].edit(content=o)
						await button_ctx.send(f'You have joined the game `{lookup[guildStr][str(role.id)]["game_title"]}`.',hidden=True)
						tc = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['text_channel'],ctx.guild.text_channels)
						if tc is None:
							c = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['category'],ctx.guild.categories)
							if c is not None:
								tPos = len(ctx.guild.channels)
								for t in c.text_channels:
									if t.position <= tPos:
										tc = t
										tPos = t.position
						if tc is not None:
							await tc.send(f'```{button_ctx.author.display_name} has joined the game.```')
				elif button_ctx.custom_id.startswith('leave_'):
					role = pitches[guildStr][timeslot]['roles'][index]
					if role not in button_ctx.author.roles:
						await button_ctx.send(f'```Error: You are not in the game `{lookup[guildStr][str(role.id)]["game_title"]}`.```', hidden=True)
					else:
						await button_ctx.author.remove_roles(role,reason=f'/pitch interaction by {button_ctx.author.display_name}')
						data[guildStr][timeslot][str(role.id)]['current_players'] -= 1
						element = pitches[guildStr][timeslot]['entries'][index]
						gm = await self.client.fetch_user(element['gm'])
						o = f'_ _\n***{element["game_title"]}*** (GM: {gm.mention})\n```\n'
						if element['system'] is not None: o = ''.join([o,f'System: {element["system"]}\n'])
						if element['min_players'] is not None: o = ''.join([o,f'Minimum Players: {str(element["min_players"])}	'])
						if element['max_players'] is not None: o = ''.join([o,f'Maximum Players: {str(element["max_players"])}\n'])
						if element['platform'] is not None: o = ''.join([o,f'Platform: {element["platform"]}\n'])
						o = ''.join([o,f'```'])
						spaces_remaining = element["max_players"] - element["current_players"]
						o = ''.join([o,f'~~Spaces Remaining: {str(0)}~~'])if spaces_remaining <= 0 else ''.join([o,f'Spaces Remaining: {str(spaces_remaining)}'])
						await pitches[guildStr][timeslot]['messages'][index].edit(content=o)
						await button_ctx.send(f'You have left the game `{lookup[guildStr][str(role.id)]["game_title"]}`.',hidden=True)
						tc = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['text_channel'],ctx.guild.text_channels)
						if tc is None:
							c = discord.utils.find(lambda x: x.id == lookup[guildStr][str(role.id)]['category'],ctx.guild.categories)
							if c is not None:
								tPos = len(ctx.guild.channels)
								for t in c.text_channels:
									if t.position <= tPos:
										tc = t
										tPos = t.position
						if tc is not None:
							await tc.send(f'```{button_ctx.author.display_name} has left the game.```')
			yaml_dump(data, dataFile)
		await header_message.delete()
		for message in pitches[guildStr][timeslot]['messages']: await message.delete()
		await control.delete()
		await ctx.channel.edit(reason=f'/pitch command issued by {ctx.author.display_name}', overwrites={})
		await button_ctx.send('```Pitch menu cleared. Pitches have now concluded.```')

def setup(client):
	client.add_cog(Pitch(client))