Fox-V3/werewolf/game.py

import asyncio
import discord

import random

from werewolf.player import Player

from werewolf.builder import parse_code


class Game:
    """
    Base class to run a single game of Werewolf
    """

    default_secret_channel = {
                "channel": None,
                "players": [],
                "votegroup": None  # uninitialized VoteGroup
                }
    
    morning_messages = [
        "**The sun rises on day {} in the village..**",
        "**Morning has arrived on day {}..**"
                ]
    
    day_vote_count = 3
    
    # def __new__(cls, guild, game_code):
        # game_code = ["VanillaWerewolf", "Villager", "Villager"]
        
        # return super().__new__(cls, guild, game_code)

    def __init__(self, guild, game_code):
        self.guild = guild
        self.game_code = ["VanillaWerewolf"]
        
        self.roles = []
        
        self.players = []
        
        self.day_vote = {}  # author: target
        self.vote_totals = {}  # id: total_votes
        
        self.started = False
        self.game_over = False
        self.can_vote = False
        self.used_votes = 0
        
        self.day_time = False 
        self.day_count = 0
        
        self.channel_category = None
        self.village_channel = None
                
        self.p_channels = {}  # uses default_secret_channel
        self.vote_groups = {}  # ID : VoteGroup()
        
        self.night_results = []

        self.loop = asyncio.get_event_loop()

    async def setup(self, ctx):
        """
        Runs the initial setup
        
        1. Assign Roles
        2. Create Channels
        2a.  Channel Permissions
        3. Check Initial role setup (including alerts)
        4. Start game
        """
        if self.game_code:
            await self.get_roles()

        if len(self.players) != len(self.roles):
            await ctx.send("Player count does not match role count, cannot start")
            self.roles = []
            return False
        
        await self.assign_roles()
        
        # Create category and channel with individual overwrites
        overwrite = {
                    self.guild.default_role: discord.PermissionOverwrite(read_messages=False, send_messages=True),
                    self.guild.me: discord.PermissionOverwrite(read_messages=True, send_messages=True)
                    }

        self.channel_category = await self.guild.create_category("ww-game", overwrites=overwrite, reason="New game of "
                                                                                                         "werewolf")
        
        for player in self.players:
            overwrite[player.member] = discord.PermissionOverwrite(read_messages=True)
        
        self.village_channel = await self.guild.create_text_channel("Village Square", overwrites=overwrite, reason="New game of werewolf", category=self.channel_category)
        
        # Assuming everything worked so far
        print("Pre at_game_start")
        await self._at_game_start()  # This will queue channels and votegroups to be made
        print("Post at_game_start")
        for channel_id in self.p_channels:
            print("Channel id: "+channel_id)
            overwrite = {
                self.guild.default_role: discord.PermissionOverwrite(read_messages=False),
                self.guild.me: discord.PermissionOverwrite(read_messages=True)
                }
                
            for player in self.p_channels[channel_id]["players"]:
                overwrite[player.member] = discord.PermissionOverwrite(read_messages=True)
                
            channel = await self.guild.create_text_channel(channel_id, overwrites=overwrite, reason="Ww game secret channel", category=self.channel_category)
            
            self.p_channels[channel_id]["channel"] = channel
            
            if self.p_channels[channel_id]["votegroup"] is not None:
                vote_group = self.p_channels[channel_id]["votegroup"](self, channel)
                
                await vote_group.register_players(*self.p_channels[channel_id]["players"])
                
                self.vote_groups[channel_id] = vote_group

        print("Pre-cycle")
        await asyncio.sleep(1)
        asyncio.ensure_future(self._cycle()) # Start the loop
        
    ############START Notify structure############
    async def _cycle(self):
        """
        Each event calls the next event
        
        

        _at_day_start()
            _at_voted()
                _at_kill()
        _at_day_end()
        _at_night_begin()
        _at_night_end()
        
        and repeat with _at_day_start() again
        """
        await self._at_day_start()
        # Once cycle ends, this will trigger end_game
        await self._end_game() # Handle open channels
    
    async def _at_game_start(self):  # ID 0
        if self.game_over:
            return
        
        await self.village_channel.send(embed=discord.Embed(title="Game is starting, please wait for setup to complete"))
        
        await self._notify(0)

    async def _at_day_start(self):  # ID 1
        if self.game_over:
            return
            
        self.day_count += 1    
        embed=discord.Embed(title=random.choice(self.morning_messages).format(self.day_count))
        for result in self.night_results:
            embed.add_field(name=result, value="________", inline=False)
        
        self.day_time = True
        
        self.night_results = []  # Clear for next day
        
        await self.village_channel.send(embed=embed)
        await self.generate_targets(self.village_channel)

        await self.day_perms(self.village_channel)
        await self._notify(1)
        
        await self._check_game_over()
        if self.game_over:
            return
        self.can_vote = True
        
        await asyncio.sleep(120)  # 4 minute days
        await self.village_channel.send(embed=discord.Embed(title="**Two minutes of daylight remain...**"))
        await asyncio.sleep(120)  # 4 minute days
        
        # Need a loop here to wait for trial to end
        
        if not self.can_vote or  not self.day_time or self.game_over:
            return
            
        await self._at_day_end()
        
    async def _at_voted(self, target):  # ID 2
        if self.game_over:
            return
        data = {"player": target}
        await self._notify(2, data)
        
        self.used_votes += 1
        
        await self.speech_perms(self.village_channel, target.member)
        await self.village_channel.send("**{} will be put to trial and has 30 seconds to defend themselves**".format(target.mention))
        
        await asyncio.sleep(30)
        
        await self.speech_perms(self.village_channel, target.member, undo=True)
        
        message = await self.village_channel.send("Everyone will now vote whether to lynch {}\n👍 to save, 👎 to lynch\n*Majority rules, no-lynch on ties, vote both or neither to abstain, 15 seconds to vote*".format(target.mention))
        
        await self.village_channel.add_reaction("👍")
        await self.village_channel.add_reaction("👎")
        
        await asyncio.sleep(15)
        
        reaction_list = message.reactions
        
        up_votes = sum(p.emoji == "👍" and not p.me for p in reaction_list)
        down_votes = sum(p.emoji == "👎" and not p.me for p in reaction_list)
        
        if len(down_votes) > len(up_votes):
            embed=discord.Embed(title="Vote Results", color=0xff0000)
        else:
            embed=discord.Embed(title="Vote Results", color=0x80ff80)
        
        embed.add_field(name="👎", value="**{}**".format(len(up_votes)), inline=True)
        embed.add_field(name="👍", value="**{}**".format(len(down_votes)), inline=True)
        
        await self.village_channel.send(embed=embed)
        
        if len(down_votes) > len(up_votes):
            await self.village_channel.send("**Voted to lynch {}!**".format(target.mention))
            await self.lynch(target)
            self.can_vote = False
        else:
            await self.village_channel.send("**{} has been spared!**".format(target.mention))

            if self.used_votes >= self.day_vote_count:
                await self.village_channel.send("**All votes have been used! Day is now over!**")
                self.can_vote = False
            else:
                await self.village_channel.send("**{}**/**{}** of today's votes have been used!\nNominate carefully..".format(self.used_votes, self.day_vote_count))
            
        if not self.can_vote:
            await self._at_day_end()
    
    async def _at_kill(self, target):  # ID 3
        if self.game_over:
            return
        data = {"player": target}
        await self._notify(3, data)
    
    async def _at_hang(self, target):  # ID 4
        if self.game_over:
            return
        data = {"player": target}
        await self._notify(4, data)
        
    async def _at_day_end(self):  # ID 5
        await self._check_game_over()

        if self.game_over:
            return

        self.can_vote = False
        self.day_vote = {}
        self.vote_totals = {}
        self.day_time = False
        
        await self.night_perms(self.village_channel)
        
        await self.village_channel.send(embed=discord.Embed(title="**The sun sets on the village...**"))
        
        await self._notify(5)
        await asyncio.sleep(30)
        await self._at_night_start()
        
    async def _at_night_start(self):  # ID 6
        if self.game_over:
            return
        await self._notify(6)
        
        await asyncio.sleep(120)  # 2 minutes

        await asyncio.sleep(90)   # 1.5 minutes

        await asyncio.sleep(30)  # .5 minutes
        
        await self._at_night_end()
        
    async def _at_night_end(self):  # ID 7
        if self.game_over:
            return
        await self._notify(7)
        
        await asyncio.sleep(15)
        await self._at_day_start()
        
    async def _at_visit(self, target, source):  # ID 8
        if self.game_over:
            return
        data = {"target": target, "source": source}
        await self._notify(8, data)

    async def _notify(self, event, data=None):
        for i in range(1,7):  # action guide 1-6 (0 is no action)
            tasks = []
            # Role priorities
            role_order = [role for role in self.roles if role.action_list[event][1]==i]
            for role in role_order:
                tasks.append(asyncio.ensure_future(role.on_event(event, data), loop=self.loop))
            # VoteGroup priorities    
            vote_order = [vg for vg in self.vote_groups.values() if vg.action_list[event][1]==i]
            for vote_group in vote_order:
                tasks.append(asyncio.ensure_future(vote_group.on_event(event, data), loop=self.loop))
            if tasks:    
                await asyncio.gather(*tasks)
            # Run same-priority task simultaneously

    ############END Notify structure############

    async def generate_targets(self, channel):
        embed=discord.Embed(title="Remaining Players")
        for i in range(len(self.players)):
            player = self.players[i]
            if player.alive:
                status=""
            else:
                status="*Dead*"
            embed.add_field(name="ID# **{}**".format(i), value="{} {}".format(status, player.member.display_name), inline=True)
  
        return await channel.send(embed=embed)
    
    
    async def register_channel(self, channel_id, role, votegroup=None):
        """
        Queue a channel to be created by game_start
        """
        if channel_id not in self.p_channels:
            self.p_channels[channel_id] = self.default_secret_channel.copy()

        await asyncio.sleep(1)  # This will have multiple calls
        
        self.p_channels[channel_id]["players"].append(role.player)
        
        if votegroup:
            self.p_channels[channel_id]["votegroup"] = votegroup

    async def join(self, member: discord.Member, channel: discord.TextChannel):
        """
        Have a member join a game
        """
        if self.started:
            await channel.send("**Game has already started!**")
            return 
        
        if await self.get_player_by_member(member):
            await channel.send("{} is already in the game!".format(member.mention))
            return 
        
        self.players.append(Player(member))
        
        await channel.send("{} has been added to the game, total players is **{}**".format(member.mention, len(self.players)))
        
    async def quit(self, member: discord.Member, channel: discord.TextChannel = None):
        """
        Have a member quit a game
        """
        player = await self.get_player_by_member(member)
        
        if not player:
            return "You're not in a game!"

        if self.started:
            await self._quit(player)
            await channel.send("{} has left the game".format(member.mention))
        else:
            self.players = [player for player in self.players if player.member != member]
            await channel.send("{} chickened out, player count is now **{}**".format(member.mention, len(self.players)))
    
    async def choose(self, ctx, data):
        """
        Arbitrary decision making
        Example: seer picking target to see
        """
        player = await self.get_player_by_member(ctx.author)
        
        if player is None:
            await ctx.send("You're not in this game!")
            return
            
        if not player.alive:
            await ctx.send("**Corpses** can't vote...")
            return
        
        if player.blocked:
            await ctx.send("Something is preventing you from doing this...")
            return
        
        # Let role do target validation, might be alternate targets
        # I.E. Go on alert? y/n

        await player.choose(ctx, data)
            
    
    async def _visit(self, target, source):
        await target.role.visit(source)
        await self._at_visit(target, source)
    
    async def visit(self, target_id, source):
        """
        Night visit target_id
        Returns a target for role information (i.e. Seer)
        """
        target = await self.get_night_target(target_id, source)
        await self._visit(target, source)
        return target
        
        
    async def vote(self, author, id, channel):
        """
        Member attempts to cast a vote (usually to lynch)
        Also used in vote groups
        """
        player = await self.get_player_by_member(author)
        
        if player is None:
            await channel.send("You're not in this game!")
            return
            
        if not player.alive:
            await channel.send("Corpses can't vote")
            return
        
        if channel == self.village_channel:
            if not self.can_vote:
                await channel.send("Voting is not allowed right now")
                return
        elif channel.name in self.p_channels:
            pass
        else:
            # Not part of the game
            await channel.send("Cannot vote in this channel")
            return

        try:
            target = self.players[id]
        except IndexError:
            target = None
        
        if target is None:
            await channel.send("Not a valid ID")
            return
            
        # Now handle village vote or send to votegroup
        if channel == self.village_channel:
            await self._village_vote(target, author, id)
        elif self.p_channels[channel.name]["votegroup"] is not None:
            await self.vote_groups[channel.name].vote(target, author, id)
        else:  # Somehow previous check failed
            await channel.send("Cannot vote in this channel")
            return
 
    async def _village_vote(self, target, author, id):
        if author in self.day_vote:
            self.vote_totals[self.day_vote[author]] -= 1
        
        self.day_vote[author] = id
        if id not in self.vote_totals:
            self.vote_totals[id] = 1
        else:
            self.vote_totals[id] += 1
        
        required_votes = len([player for player in self.players if player.alive]) // 7 + 2
        
        if self.vote_totals[id] < required_votes:
            await self.village_channel.send("{} has voted to put {} to trial. {} more votes needed".format(author.mention, target.member.mention, required_votes - self.vote_totals[id]))
        else:
            self.vote_totals[id] = 0
            self.day_vote = {k:v for k,v in self.day_vote.items() if v != id}  # Remove votes for this id
            await self._at_voted(target)
        
    
    async def eval_results(self, target, source=None, method = None):
        if method is not None:
            out = "**{ID}** - " + method
            return out.format(ID=target.id, target=target.member.display_name)
        else:   
            return "**{ID}** - {} was found dead".format(ID=target.id, target=target.member.display_name)

    async def _quit(self, player):
        """
        Have player quit the game
        """

        player.alive = False
        await self._at_kill(player)
        player.alive = False  # Do not allow resurrection
        await self.dead_perms(player.member)
        # Add a punishment system for quitting games later

    async def kill(self, target_id, source=None, method: str=None, novisit=False):    
        """
        Attempt to kill a target
        Source allows admin override
        Be sure to remove permissions appropriately
        Important to finish execution before triggering notify
        """
        
        if source is None:
            target = self.players[target_id]
        elif self.day_time:
            target = self.get_day_target(target_id, source)
        else:
            target = await self.get_night_target(target_id, source)
        if source is not None: 
            if source.blocked:
                # Do nothing if blocked, blocker handles text
                return  
        
        if not novisit:
            # Arsonist wouldn't visit before killing
            await self._visit(target, source)  # Visit before killing
        
        if not target.protected:
            target.alive = False
            await target.kill(source)
            await self._at_kill(target)
            if not target.alive:  # Still dead after notifying
                if not self.day_time:
                    self.night_results.append(await self.eval_results(target, source, method))
                await self.dead_perms(target.member)
        else:
            target.protected = False
        
    async def lynch(self, target_id):    
        """
        Attempt to lynch a target
        Important to finish execution before triggering notify
        """
        target = await self.get_day_target(target_id)
        target.alive = False
        await self._at_hang(target)
        if not target.alive:  # Still dead after notifying
            await self.dead_perms(target.member)
    
    async def get_night_target(self, target_id, source=None):
        return self.players[target_id]  # For now
    
    async def get_day_target(self, target_id, source=None):
        return self.player[target_id]  # For now

    async def get_roles(self, game_code=None):
        if game_code is not None:
            self.game_code=game_code
        
        if self.game_code is None:
            return False
        
        self.roles = await parse_code(self.game_code)
        
        if not self.roles:
            return False
    
    async def assign_roles(self):
        """len(self.roles) must == len(self.players)"""
        random.shuffle(self.roles)
        self.players.sort(key=lambda pl: pl.member.display_name.lower())
        
        if len(self.roles) != len(self.players):
            await self.village_channel("Unhandled error - roles!=players")
            return False
        
        for idx, role in enumerate(self.roles):
            self.roles[idx] = role(self)
            await self.roles[idx].assign_player(self.players[idx])
            # Sorted players, now assign id's
            await self.players[idx].assign_id(idx)
            
    async def get_player_by_member(self, member):
        for player in self.players:
            if player.member == member:
                return player
        return False
    
    async def dead_perms(self, channel, member):
        await channel.set_permissions(member, read_messages=True, send_message=False, add_reactions=False)
        
    async def night_perms(self, channel):
        await channel.set_permissions(self.guild.default_role, read_messages=False, send_messages=False)
    
    async def day_perms(self, channel):
        await channel.set_permissions(self.guild.default_role, read_messages=False)
        
    async def speech_perms(self, channel, member, undo=False):
        if undo:
            await channel.set_permissions(member, read_messages=True)
        else:
            await channel.set_permissions(self.guild.default_role, read_messages=False, send_messages=False)
            await channel.set_permissions(member, read_messages=True, send_messages=True)
    
    async def normal_perms(self, channel, member_list):
        await channel.set_permissions(self.guild.default_role, read_messages=False)
        for member in member_list:
            await channel.set_permissions(member, read_messages=True)
    
    async def _check_game_over(self):
        #ToDo
        pass

    async def _end_game(self):
        #ToDo
        pass