import os
from dotenv import load_dotenv
import discord
from discord import app_commands
import requests
import dns.resolver
import markdownify

load_dotenv()
TOKEN = os.getenv('DISCORD_TOKEN')
ADMINID = 0
KUTT_APIKEY=os.getenv('LINK_API_KEY')
KUTT_URL=os.getenv('LINK_URL')
LOG_CHANNEL = int(os.getenv('LOG_CHANNEL'))

intents = discord.Intents.default()
client = discord.Client(intents=intents)
tree = app_commands.CommandTree(client)
activityMessage="over the server"
statusType="watching"


# Commands
@tree.command(name="ping", description="Check bot connection")
async def ping(ctx):
    await ctx.response.send_message("Pong!",ephemeral=True)

@tree.command(name="shortlink", description="Shorten a link")
async def shortlink(ctx, link: str, name: str = None):
    if (ctx.user.id != ADMINID):
        await log("User: " + str(ctx.user.name) + " tried to use the shortlink command")
        await ctx.response.send_message("You don't have permission to use this command",ephemeral=True)
    else:
        url=f"{KUTT_URL}/api/v2/links"
        headers = {'X-API-KEY' : KUTT_APIKEY}

        data = {'target' : link, 'customurl' : name}
        if (name == None):
            data = {'target' : link}    
        x = requests.post(url, data = data, headers = headers)
        print(x.text)
        if (x.status_code != 200 and x.status_code != 201):
            await ctx.response.send_message("ERROR: " + x.text,ephemeral=True)
        link=x.json()['link']
        await ctx.response.send_message("Link: " + link,ephemeral=False)

@tree.command(name="botstatus", description="Set the bot status")
async def botstatus(ctx, message: str, statusmethod: str = None):
    if (ctx.user.id != ADMINID):
        await log("User: " + str(ctx.user.name) + " tried to use the botstatus command")
        await ctx.response.send_message("You don't have permission to use this command",ephemeral=True)
    else:
        global activityMessage
        activityMessage=message
        global statusType
        if (statusmethod == None):
            statusmethod="watching"
        else:
            statusType=statusmethod.lower()
        updateStatus()
        await ctx.response.send_message("Status updated",ephemeral=True)

@tree.command(name="dig", description="Dig a dns record")
async def dig(ctx, domain: str, record_type: str = "A"):
    record_type = record_type.upper()

    # Format dig @100.74.29.146 -p 5350 <domain> <type>    
    resolver = dns.resolver.Resolver()
    resolver.nameservers = ["100.74.29.146"]
    resolver.port = 5350
    try:
        # Query the DNS record
        response = resolver.resolve(domain, record_type)
        print(response)
        records = ""
        for record in response:
            print(record)
            records = records + "\n" + str(record)

        # Send the result to the Discord channel
        await ctx.response.send_message(f"DNS records for {domain} ({record_type}):{records}")

    except dns.resolver.NXDOMAIN:
        await ctx.response.send_message(f"Domain {domain} not found.")
    except dns.exception.DNSException as e:
        await ctx.response.send_message(f"An error occurred: {e}")

@tree.command(name="curl", description="HTTP request")
async def curl(ctx, url: str):
    try:
        proxyURL = "https://proxy.hnsproxy.au"
        response = requests.get(url, proxies={"http": proxyURL, "https": proxyURL},verify=False)
        output = response.text
        # Get BODY only
        output = output.split("<body")[1]
        output = output.split("</body>")[0]
        output = output.split(">", 1)[1]
        # Replace any relative links with absolute links
        output = output.replace('href="/', 'href="' + url + '/')
        parsed = markdownify.markdownify(output, heading_style="ATX")
        # Delete any empty lines
        parsed = "\n".join([s for s in parsed.splitlines() if s.strip()])

        output = response.text
        # Get title
        if (output.find("<title>") != -1):
            title = output.split("<title>")[1]
            title = title.split("</title>")[0]
        else:
            title = url
        if (len(parsed) > 4096):
            parsed = parsed[:4096]
            # Delete any incomplete lines
            parsed = "\n".join(parsed.splitlines()[:-1])
            parsed = parsed + "\n..."

        # if url is a tld only replace it with the url https://hns.au (due to Discord not allowing tld only links)
        if (url.find(".") == -1):
            url = "https://hns.au"
        # Create an embed
        embed = discord.Embed(title=title, url=url, description=parsed)
        embed.set_footer(text="Parsed by HNSProxy",icon_url="https://hns.au/assets/img/favicon.png")
        embed.timestamp = discord.utils.utcnow()
        await ctx.response.send_message(embed=embed)
    except requests.exceptions.RequestException as e:
        await ctx.response.send_message(f"An error occurred: {e}")
    except Exception as e:
        await ctx.response.send_message(f"An error occurred: {e}")
    
@tree.command(name="invite", description="Invite me to your server")
async def invite(ctx):
    await ctx.response.send_message("https://discord.com/api/oauth2/authorize?client_id=1006128164218621972&permissions=0&scope=bot",ephemeral=True)

async def log(message):
    channel=client.get_channel(LOG_CHANNEL)
    await channel.send(message)

def updateStatus():
    global activityMessage
    global statusType
    if (statusType == "watching"):
        activity=discord.Activity(type=discord.ActivityType.watching, name=activityMessage)
    elif (statusType == "playing"):
        activity=discord.Activity(type=discord.ActivityType.playing, name=activityMessage)
    elif (statusType == "listening"):
        activity=discord.Activity(type=discord.ActivityType.listening, name=activityMessage)
    elif (statusType == "competing"):
        activity=discord.Activity(type=discord.ActivityType.competing, name=activityMessage)
    else:
        activity=discord.Activity(type=discord.ActivityType.watching, name=activityMessage)
    client.loop.create_task(client.change_presence(activity=activity))

# When the bot is ready
@client.event
async def on_ready():
    global ADMINID
    ADMINID = client.application.owner.id
    await log("Bot is starting...")
    await tree.sync()
    updateStatus()
    await log("Bot is ready")

client.run(TOKEN)