import discord
from discord.ext import commands
from models.users import *
from mojang import API
import utils 

color = discord.Color.from_rgb(79, 227, 119)

class UserManager(commands.Cog):
    def __init__(self, bot: commands.Bot):
        self.bot = bot

    def gen_user_info(self, user_name: str, user_id: int):
        '''
        Generates user output Embed

        Parameters
        ----------
        user_name: str
            given user name
        user_id: int
            discord user id to access database info
        '''
        user = User.get(User.username == user_id)
        embed = discord.Embed(
            title=user_name if not user.is_admin else f'{user_name} (Admin)',
            description=f'''
            Name: {user.mc_name}
            UUID: {user.mc_uuid}
            Registered since {user.registration_date.strftime("%d.%m.%Y, %H:%M:%S")}
            ''',
            color=color,
            timestamp=utils.now()
            )
        return embed
    
    @commands.hybrid_command(name='info')
    async def info(self, ctx: commands.Context):
        '''
        Registers Users to internal Database 
        and links there minecraft username to there discord account.

        Parameters
        ----------
        ctx: commands.Context
            The context of the command invocation
        '''
        try:
            user = User.get(User.username == ctx.author.id)
            await ctx.send(embed=self.gen_user_info(ctx.author.name, ctx.author.id))
        except:
            await ctx.send(f"{ctx.author.name} isn't registered")

    @commands.hybrid_command(name='register')
    async def register(self, ctx: commands.Context, minecraft_name: str):
        '''
        Registers Users to internal Database 
        and links there minecraft username to there discord account.

        Parameters
        ----------
        ctx: commands.Context
            The context of the command invocation
        minecraft_name: str
            The minecraft user name to link with
        '''
        # Get minecraft uuid
        api = API()
        uuid = api.get_uuid(minecraft_name)
        if not uuid:
            await ctx.send("Username doesn't exist")
            return

        # build user
        try:
            user = User(
                username=ctx.author.id,
                mc_name=minecraft_name,
                mc_uuid=uuid,
                is_admin=False if not ctx.author.id == 418848241036165160 else True
                )
            user.save()
        except IntegrityError:
            await ctx.send("You're already registered")
            return
         
        await ctx.send(embed=self.gen_user_info(ctx.author.name, ctx.author.id))
    
    @commands.hybrid_command(name='delete')
    async def delete(self, ctx: commands.Context):
        '''
        Registers Users to internal Database 
        and links there minecraft username to there discord account.

        Parameters
        ----------
        ctx: commands.Context
            The context of the command invocation
        '''
        try:
            user = User.get(User.username == ctx.author.id)
            user.delete_instance()
            await ctx.send(f"Purged {ctx.author.name} from database!")
        except:
            await ctx.send(f"{ctx.author.name} isn't registered!")
    
    @commands.hybrid_command(name='op')
    async def op(self, ctx: commands.Context, member: discord.Member):
        '''
        Toggels if User is an Admin
        
        Parameters
        ----------
        ctx: commands.Context
            The context of the command invocation
        '''
        user = User.get(User.username == ctx.author.id)
        if not user.is_admin:
            await ctx.send("You're not allowed to use this command")
            return

        if member.id == 418848241036165160:
            await ctx.send(f"{member.name} is always an admin")
            return
       
        user = User.get(User.username == member.id)
        user.is_admin = not user.is_admin
        user.save()
        await ctx.send(embed=self.gen_user_info(member.name, member.id))


    @commands.hybrid_command(name='all')
    async def all(self, ctx: commands.Context):
        '''
        Returns User info

        Parameters
        ----------
        ctx: commands.Context
            The context of the command invocation
        '''
        try:
            user = User.get(User.username == ctx.author.id)
            if not user.is_admin:
                await ctx.send("You're not allowed to use this command")
                return
        except:
            await ctx.send(f"{ctx.author.name} isn't registered")
            return

               
        embed = discord.Embed(
            title="All Users",
            description="Registered Users in Database",
            color=color,
            timestamp=utils.now()
        ) 

        rows = User.select()
        for row in rows:
            member = await ctx.guild.fetch_member(row.username)
            member = member if not row.is_admin else f'{member} (Admin)'
            reg_date = row.registration_date.strftime("%d.%m.%Y, %H:%M:%S")
            embed.add_field(name=member, value="{}\n{}\n{}\n".format(row.mc_name, row.mc_uuid, reg_date))
        await ctx.send(embed=embed)