import discord
from discord.ext import commands
import requests
import json
from datetime import datetime as dt
import aiohttp
import os
import asyncio


### reads token files
def readToken(filePath):
    with open(filePath, 'r') as f:
        return f.readline()




### takes a json, returns a http code
async def postToSheet(data, gsheetToken):
    async with aiohttp.ClientSession() as session:
            async with session.post(gsheetToken, json=data) as response:
                print("Status:", response.status)
            return response.status




#creates the file if it doesn't exist. stores last command used by... users on this delivery.
async def writeDeliveryToCommandFile(author, command):

    #shitty hack to see if the file is empty
    path = os.getcwd() + "/" + lastCommandFile
    empty = os.stat(path).st_size < 1

    with open(lastCommandFile, 'r') as f:
        if empty:
            jsonContent = json.loads("{}")

        else:
            print("loading from file")
            jsonContent = json.load(f)



    with open(lastCommandFile, 'w') as f:
        print(jsonContent)
        jsonContent[author] = command
        json.dump(jsonContent, f)

async def getDataFromDeliveryFile(author):
    path = os.getcwd() + "/" + lastCommandFile
    empty = os.stat(path).st_size < 1

    with open(lastCommandFile, 'r') as f:
        if empty:
            return None

        else:
            jsonContent = json.load(f)
            if author in jsonContent.keys():
                return jsonContent[author]

            else:
                return None





async def delLastCommandFile():
   open(lastCommandFile, 'w').close()



bot = commands.Bot()

# various tokens
discordToken = readToken("discord.token")
gsheetToken = readToken("sheet.token")
lastCommandFile = "command.last"

# default command to see if the bot has lived
@bot.listen()
async def on_connect():
    print("I'm alive, bitch")

# delivery command
# guild IDs are both IDA servers
@bot.slash_command(
  name="delivery",
  # guild_ids=[401372086746087425],
  description= "sends your delivery to the bot!"
)
async def delivery(ctx,
    commodity:discord.Option(str, choices=[
        "Aluminium",
        "Ceramic Composites",
        "CMM Composite",
        "Computer Components",
        "Copper",
        "Food Cartridges",
        "Fruit and Vegetables",
        "Insulating Membrane",
        "Liquid Oxygen",
        "Medical Diagnostic Equipment",
        "Non-Lethal Weapons",
        "Polymers",
        "Power Generators",
        "Semiconductors",
        "Steel",
        "Superconductors",
        "Titanium",
        "Water",
        "Water Purifiers"
    ]),
    quantity: discord.Option(discord.SlashCommandOptionType.integer, description="Please be nice and input a value between 1 and 1326 (new rack update!!!!1!1)", min_value=1, max_value=1326),
    target: discord.Option(str, choices=['Station', 'Carrier'])
    ):

    author = str(ctx.author)
    author = author[:author.find(" ")]

    await ctx.defer()

    data = {
        "username":author,
        "commodity": commodity,
        "quantity": quantity,
        "target": target
    }

    try:
        response = await postToSheet(data, gsheetToken)
        if response == 200:
            await ctx.followup.send(f"your delivery of {quantity} of {commodity} to a {target} has been added to the sheet!")
            print(f"[{dt.isoformat(dt.now())}]{author} delivery of {quantity} of  {commodity} to a {target}")
            await writeDeliveryToCommandFile(author, data)
        else:
            await ctx.followup.send(f"Failed to log delivery (HTTP {response}). Please contact the yellow people if that keeps happening")
    except Exception as e:
        await ctx.followup.send(f"help : Error: {e}")



@bot.slash_command(
  name="last",
  # guild_ids=[401372086746087425],
  description= "send the last delivery you made again!"
)
async def last(ctx):

    author = str(ctx.author)
    author = author[:author.find(" ")]

    data = await getDataFromDeliveryFile(author)

    await ctx.defer()


    if data is not None:
        try:
            response = await postToSheet(data, gsheetToken)
            if response == 200:
                await ctx.followup.send(f"your delivery of {data['quantity']} of {data['commodity']} to a {data['target']} has been added to the sheet!")
                print(f"[{dt.isoformat(dt.now())}] delivery of {data['quantity']} of {data['commodity']} to a {data['target']}")
                await writeDeliveryToCommandFile(author, data)
            else:
                await ctx.followup.send(f"Failed to log delivery (HTTP {response}). Please contact the yellow people if that keeps happening")
        except Exception as e:
            await ctx.followup.send(f"help : Error: {e}")
    else:
        await ctx.followup.send(f"You haven't delivered to this build yet, or I have amnesia.")







#change url command
@bot.slash_command(
  name="change-sheet-url",
  # guild_ids=[401372086746087425],
  description= "changes the URL of the active sheet, use with caution"
)
async def changeSheetUrl(ctx,
    url:discord.Option(discord.SlashCommandOptionType.string, description="the new URL")
    ):
    global gsheetToken
    await ctx.defer()
    try:
        with open("sheet.token",'w') as f:
            f.write(url)

        await ctx.followup.send(f"URL has been set to {url}")
        gsheetToken = readToken("sheet.token")
        await delLastCommandFile()
        print("deleted command.last file content")
    except Exception as e:
        await ctx.followup.send(f"something shat the bed")




#run the damn thing
bot.run(discordToken)