import asyncio
import datetime
import random
from contextlib import closing
from typing import Optional

from discord import Member, Embed, Colour
from discord.ext import commands
from discord.ext.commands import BucketType, command, cooldown

import db
from settings import colour_list


# Sets up the embed for the marriage info
def marriageInfo(target, marriedUser, marriedDate, currentDate, married):
    # Make sure that non-users can still use the marriage
    if not married:
        # Set up the fields for the embed
        fields = [("Married To", "No One", False),
                  ("Marriage Date", "N/A", False),
                  ("Days Married", "N/A", False)]
    else:
        # Calculate the days married
        marriedTime = datetime.datetime.strptime(marriedDate, "%a, %b %d, %Y")
        currentTime = datetime.datetime.strptime(currentDate, "%a, %b %d, %Y")
        delta = currentTime - marriedTime

        # Set up the fields for the embed
        fields = [("Married To", marriedUser.mention, False),
                  ("Marriage Date", marriedDate, False),
                  ("Days Married", delta.days, False)]

    # Set the title, colour, timestamp and thumbnail
    embed = Embed(title=f"{target.name}'s Marriage Information",
                  colour=Colour(int(random.choice(colour_list))),
                  timestamp=datetime.datetime.utcnow())
    embed.set_thumbnail(url=target.avatar_url)

    # Add fields to the embed
    for name, value, inline in fields:
        embed.add_field(name=name, value=value, inline=inline)

    return embed


# Set up the Cog
class Relationship(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @command(name="marry", aliases=["Marry"])
    @cooldown(1, 1, BucketType.user)
    async def marry(self, ctx, member: Member):
        """Allows the bot to wed two young lovers together"""

        # Getting the guild of the user
        guild = ctx.author.guild

        # Use database connection
        with db.connection() as conn:

            # Get the author's/members row from the Members Table
            select_query = """SELECT * FROM members WHERE discordID = (?) and guildID = (?)"""
            author_val = ctx.author.id, guild.id,
            member_val = member.id, guild.id,

            # Define two cursors
            with closing(conn.cursor()) as author_cursor:

                # Execute the Author SQL Query
                author_cursor.execute(select_query, author_val)
                author_result = author_cursor.fetchone()
                married_user = author_result[2]

            # Make sure that the user cannot marry themselves
            if member.id == ctx.author.id:
                await ctx.send("**Senpaii! ˭̡̞(◞⁎˃ᆺ˂)◞*✰ You can't possibly marry yourself!**")
                return
            # Make sure that the person is not already married to someone else within the server
            elif married_user is not None:
                member = guild.get_member(int(married_user))
                await ctx.send(f"**((╬◣﹏◢)) You're already married to {member.mention}!**")
                return

            # Set up new cursor for member row
            with closing(conn.cursor()) as member_cursor:
                # Execute the Member SQL Query
                member_cursor.execute(select_query, member_val)
                member_result = member_cursor.fetchone()
                target_user = member_result[2]

            if target_user is not None:
                member = guild.get_member(int(target_user))
                await ctx.send(f"**Sorry! That user is already married to {member.mention}**")
                return

        # Send a message to the channel mentioning the author and the person they want to wed.
        await ctx.send(f"{ctx.author.mention} **Proposes To** {member.mention}"
                       f"\n**Do you accept??**"
                       f"\nRespond with [**Y**es/**N**o]")

        # A check that makes sure that the reply is not from the author
        # and that the reply is in the same channel as the proposal
        def check(m):
            return m.author == member and m.channel == ctx.channel

        # Surround with try/except to catch any exceptions that may occur
        try:
            # Wait for the message from the mentioned user
            msg = await self.bot.wait_for('message', check=check, timeout=90)

            # if the person says yes
            if msg.content.lower() in ['y', 'yes', 'yea']:
                # Using connection to the database
                with db.connection() as conn:
                    message_time = msg.created_at.strftime("%a, %b %d, %Y")

                    # Update the existing records in the database with the user that they are marrying along with the time of the accepted proposal
                    update_query = """UPDATE members SET married = (?), marriedDate = (?) WHERE discordID = (?) AND guildID = (?)"""
                    proposer = member.id, message_time, ctx.author.id, guild.id,
                    proposee = ctx.author.id, message_time, member.id, guild.id,
                    cursor = conn.cursor()

                    # Execute the SQL Query's
                    cursor.execute(update_query, proposer)
                    cursor.execute(update_query, proposee)
                    conn.commit()
                    print(cursor.rowcount, "2 people have been married!")

                # Congratulate them!
                await ctx.send(
                    f"**Congratulations! ｡ﾟ( ﾟ^∀^ﾟ)ﾟ｡ {ctx.author.mention} and {member.mention} are now married to each other!**")

            # if the person says no
            elif msg.content.lower() in ['n', 'no', 'nah']:

                # Try to console the person and wish them the best in their life
                await ctx.send(f"**{ctx.author.mention} It's okay king. Pick up your crown and move on (◕‿◕✿)**")
            else:
                # Abort the process as the message sent did not make sense
                await ctx.send("**Senpaiiii! (｡╯︵╰｡) Speak English Please**")

        except asyncio.TimeoutError as ex:
            print(ex)

            # Delete the "proposal"
            await msg.delete()
            # Send out an error message if the user waited too long
            await ctx.send("**(｡T ω T｡) They waited too long**")

    @command(name="divorce", aliases=["Divorce"])
    @cooldown(1, 1, BucketType.user)
    async def divorce(self, ctx, member: Member):
        """Allows the bot to divorce users"""

        # Getting the guild of the user
        guild = ctx.author.guild

        # Use database connection
        with db.connection() as conn:

            # Get the author's row from the Members Table
            select_query = """SELECT * FROM members WHERE discordID = (?) and guildID = (?)"""
            val = ctx.author.id, guild.id,
            cursor = conn.cursor()

            # Execute the SQL Query
            cursor.execute(select_query, val)
            result = cursor.fetchone()

            # Make sure that the user cannot divorce themselves
            if member.id == ctx.author.id:
                await ctx.send("**Senpaii! ˭̡̞(◞⁎˃ᆺ˂)◞*✰ You can't possibly divorce yourself!**")
                return
            # Make sure that the person trying to divorce is actually married to the user
            elif result[2] is None:
                await ctx.send(f"**((╬◣﹏◢)) You must be married in order to divorce someone! Baka!**")
                return
            # Make sure the person is married to the person that they're trying to divorce
            elif result[2] != str(member.id):
                member = guild.get_member(int(result[2]))
                await ctx.send(f"**(ノ ゜口゜)ノ You can only divorce the person that you're married!"
                               f"\n That person is {member.mention}**")
                return

        # Send a message to the channel mentioning the author and the person they want to wed.
        await ctx.send(
            f"{ctx.author.mention} **Wishes to Divorce** {member.mention}"
            f"\n**Are you willing to break this sacred bond?**"
            f"\nRespond with [**Y**es/**N**o]")

        # A check that makes sure that the reply is not from the author
        # and that the reply is in the same channel as the proposal
        def check(m):
            return m.author == member and m.channel == ctx.channel

        # Surround with try/except to catch any exceptions that may occur
        try:
            # Wait for the message from the mentioned user
            msg = await self.bot.wait_for('message', check=check, timeout=90)

            # if the person says yes
            if msg.content.lower() in ['y', 'yes', 'yea']:
                # Using connection to the database
                with db.connection() as conn:

                    # Update the existing records in the database with the user that they are marrying along with the time of the accepted proposal
                    update_query = """UPDATE members SET married = null, marriedDate = null WHERE discordID = (?) and guildID = (?)"""
                    divorcer = ctx.author.id, guild.id,
                    divorcee = member.id, guild.id,
                    cursor = conn.cursor()

                    # Execute the SQL Query's
                    cursor.execute(update_query, divorcer)
                    cursor.execute(update_query, divorcee)
                    conn.commit()
                    print(cursor.rowcount, "2 Members have been divorced :(!")

                # Congratulate them!
                await ctx.send(
                    f"**૮( ´⁰▱๋⁰ )ა {ctx.author.mention} and {member.mention} are now divorced."
                    f"\nI hope you two can find happiness in life with other people**")

            # if the person says no
            elif msg.content.lower() in ['n', 'no', 'nah']:

                # Try to console the person and wish them the best in their life
                await ctx.send(
                    f"**{ctx.author.mention} Sorry but you're gonna need {member.mention}'s consent to move forward with this!**")

            else:
                # Abort the process as the message sent did not make sense
                await ctx.send("**Senpaiiii! (｡╯︵╰｡) Speak English Please**")

        except asyncio.TimeoutError as ex:
            print(ex)

            await msg.delete()
            # Send out an error message if the user waited too long
            await ctx.send("**(｡T ω T｡) They waited too long**")

    @command(name="minfo", aliases=["Minfo", "mInfo"])
    @cooldown(1, 1, BucketType.user)
    async def m_info(self, ctx, target: Optional[Member]):
        """Allows the users status of their marriage"""

        # If a target has been specified, set them as the user
        if target:
            target = target
        # If no target has been specified, choose the author
        else:
            target = ctx.author

        # Getting the guild of the user
        guild = target.guild

        # Use database connection
        with db.connection() as conn:

            # Get the author's row from the Members Table
            select_query = """SELECT * FROM members WHERE discordID = (?) and guildID = (?)"""
            val = target.id, guild.id,
            cursor = conn.cursor()

            # Execute the SQL Query
            cursor.execute(select_query, val)
            result = cursor.fetchone()

            # Set empty values for non-married users
            if result[2] is None:
                married = False
                marriedUser = ""
                marriedDate = ""
            # Set the member, date married and setting married status
            else:
                marriedUser = guild.get_member(int(result[2]))
                marriedDate = result[3]
                married = True

            # Get the current date of the message sent by the user
            currentDate = ctx.message.created_at.strftime("%a, %b %d, %Y")

            # Get the marriage info embed and then send it to the display
            embed = marriageInfo(target, marriedUser, marriedDate, currentDate, married)
            await ctx.send(embed=embed)


def setup(bot):
    bot.add_cog(Relationship(bot))