# Thunder/bot/plugins/common.py

import asyncio
import time
from datetime import datetime, timedelta

from pyrogram import Client, filters
from pyrogram.errors import FloodWait, MessageNotModified
from pyrogram.types import (InlineKeyboardButton, InlineKeyboardMarkup,
                            Message, User)

from Thunder.bot import StreamBot
from Thunder.utils.bot_utils import (gen_dc_txt, get_user, log_newusr,
                                     reply_user_err)
from Thunder.utils.database import db
from Thunder.utils.decorators import check_banned
from Thunder.utils.file_properties import get_fname, get_fsize, parse_fid
from Thunder.utils.force_channel import force_channel_check, get_force_info
from Thunder.utils.human_readable import humanbytes
from Thunder.utils.logger import logger
from Thunder.utils.messages import (
    MSG_ABOUT, MSG_BUTTON_ABOUT, MSG_BUTTON_CLOSE, MSG_BUTTON_GET_HELP,
    MSG_BUTTON_GITHUB, MSG_BUTTON_JOIN_CHANNEL, MSG_BUTTON_VIEW_PROFILE,
    MSG_COMMUNITY_CHANNEL, MSG_DC_ANON_ERROR, MSG_DC_FILE_ERROR,
    MSG_DC_FILE_INFO, MSG_DC_INVALID_USAGE, MSG_DC_UNKNOWN,
    MSG_ERROR_USER_INFO, MSG_FILE_TYPE_ANIMATION, MSG_FILE_TYPE_AUDIO,
    MSG_FILE_TYPE_DOCUMENT, MSG_FILE_TYPE_PHOTO, MSG_FILE_TYPE_STICKER,
    MSG_FILE_TYPE_UNKNOWN, MSG_FILE_TYPE_VIDEO, MSG_FILE_TYPE_VIDEO_NOTE,
    MSG_FILE_TYPE_VOICE, MSG_HELP, MSG_PING_RESPONSE, MSG_PING_START,
    MSG_TOKEN_ACTIVATED, MSG_TOKEN_FAILED, MSG_TOKEN_INVALID, MSG_WELCOME
)
from Thunder.vars import Var

@StreamBot.on_message(filters.command("start") & filters.private)
async def start_command(bot: Client, msg: Message):
    if not await check_banned(bot, msg):
        return
    user = msg.from_user
    if user:
        await log_newusr(bot, user.id, user.first_name)
    
    if len(msg.command) == 2:
        payload = msg.command[1]
        
        if payload == "start":
            pass
        else:
            token = await db.token_col.find_one({"token": payload})
            if token:
                if token["user_id"] != user.id:
                    try:
                        return await msg.reply_text(text=MSG_TOKEN_FAILED.format(
                            reason="This activation link is not for your account.",
                            error_id=str(int(time.time()))[-8:]
                        ))
                    except FloodWait as e:
                        await asyncio.sleep(e.value)
                        return await msg.reply_text(text=MSG_TOKEN_FAILED.format(
                            reason="This activation link is not for your account.",
                            error_id=str(int(time.time()))[-8:]
                        ))
                
                if token.get("activated"):
                    try:
                        return await msg.reply_text(text=MSG_TOKEN_FAILED.format(
                            reason="Token has already been activated.",
                            error_id=str(int(time.time()))[-8:]
                        ))
                    except FloodWait as e:
                        await asyncio.sleep(e.value)
                        return await msg.reply_text(text=MSG_TOKEN_FAILED.format(
                            reason="Token has already been activated.",
                            error_id=str(int(time.time()))[-8:]
                        ))
                
                now = datetime.utcnow()
                exp = now + timedelta(hours=Var.TOKEN_TTL_HOURS)
                
                await db.token_col.update_one(
                    {"token": payload, "user_id": user.id},
                    {"$set": {"activated": True, "created_at": now, "expires_at": exp}}
                )
                
                hrs = round((exp - now).total_seconds() / 3600, 1)
                try:
                    return await msg.reply_text(text=MSG_TOKEN_ACTIVATED.format(duration_hours=hrs))
                except FloodWait as e:
                    await asyncio.sleep(e.value)
                    return await msg.reply_text(text=MSG_TOKEN_ACTIVATED.format(duration_hours=hrs))
            else:
                try:
                    return await msg.reply_text(text=MSG_TOKEN_INVALID)
                except FloodWait as e:
                    await asyncio.sleep(e.value)
                    return await msg.reply_text(text=MSG_TOKEN_INVALID)
            
    txt = MSG_WELCOME.format(user_name=user.first_name if user else "Unknown")
    link, title = await get_force_info(bot)
    if link:
        txt += f"\n\n{MSG_COMMUNITY_CHANNEL.format(channel_title=title)}"
    
    btns = [
        [InlineKeyboardButton(MSG_BUTTON_GET_HELP, callback_data="help_command"),
         InlineKeyboardButton(MSG_BUTTON_ABOUT, callback_data="about_command")],
        [InlineKeyboardButton(MSG_BUTTON_GITHUB, url="https://github.com/fyaz05/FileToLink/"),
         InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")]
    ]
    
    if link:
        btns.append([InlineKeyboardButton(MSG_BUTTON_JOIN_CHANNEL.format(channel_title=title), url=link)])
    
    try:
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))
    except FloodWait as e:
        await asyncio.sleep(e.value)
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))

@StreamBot.on_message(filters.command("help") & filters.private)
async def help_command(bot: Client, msg: Message):
    if not await check_banned(bot, msg):
        return
    if msg.from_user:
        await log_newusr(bot, msg.from_user.id, msg.from_user.first_name)
    
    txt = MSG_HELP.format(max_files=Var.MAX_BATCH_FILES)
    btns = [[InlineKeyboardButton(MSG_BUTTON_ABOUT, callback_data="about_command")]]
    
    link, title = await get_force_info(bot)
    if link:
        btns.append([InlineKeyboardButton(MSG_BUTTON_JOIN_CHANNEL.format(channel_title=title), url=link)])
    
    btns.append([InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")])
    try:
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))
    except FloodWait as e:
        await asyncio.sleep(e.value)
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))

@StreamBot.on_message(filters.command("about") & filters.private)
async def about_command(bot: Client, msg: Message):
    if not await check_banned(bot, msg):
        return
    if msg.from_user:
        await log_newusr(bot, msg.from_user.id, msg.from_user.first_name)
    
    btns = [
        [InlineKeyboardButton(MSG_BUTTON_GET_HELP, callback_data="help_command")],
        [InlineKeyboardButton(MSG_BUTTON_GITHUB, url="https://github.com/fyaz05/FileToLink/"),
         InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")]
    ]
    
    try:
        await msg.reply_text(text=MSG_ABOUT, reply_markup=InlineKeyboardMarkup(btns))
    except FloodWait as e:
        await asyncio.sleep(e.value)
        await msg.reply_text(text=MSG_ABOUT, reply_markup=InlineKeyboardMarkup(btns))

async def send_user_dc(msg: Message, user: User):
    txt = await gen_dc_txt(user)
    url = f"https://t.me/{user.username}" if user.username else f"tg://user?id={user.id}"
    btns = [
        [InlineKeyboardButton(MSG_BUTTON_VIEW_PROFILE, url=url)],
        [InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")]
    ]
    try:
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))
    except FloodWait as e:
        await asyncio.sleep(e.value)
        await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))

async def send_file_dc(msg: Message, file_msg: Message):
    try:
        fname = get_fname(file_msg) or "Untitled File"
        fsize = humanbytes(get_fsize(file_msg))
        
        type_map = {
            "document": MSG_FILE_TYPE_DOCUMENT,
            "photo": MSG_FILE_TYPE_PHOTO,
            "video": MSG_FILE_TYPE_VIDEO,
            "audio": MSG_FILE_TYPE_AUDIO,
            "voice": MSG_FILE_TYPE_VOICE,
            "sticker": MSG_FILE_TYPE_STICKER,
            "animation": MSG_FILE_TYPE_ANIMATION,
            "video_note": MSG_FILE_TYPE_VIDEO_NOTE
        }
        
        file_type = next((attr for attr in type_map if getattr(file_msg, attr, None)), "unknown")
        type_display = type_map.get(file_type, MSG_FILE_TYPE_UNKNOWN)
        
        dc_id = MSG_DC_UNKNOWN
        fid = parse_fid(file_msg)
        if fid:
            dc_id = fid.dc_id
        
        txt = MSG_DC_FILE_INFO.format(
            file_name=fname,
            file_size=fsize,
            file_type=type_display,
            dc_id=dc_id
        )
        
        btns = [[InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")]]
        try:
            await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))
        except FloodWait as e:
            await asyncio.sleep(e.value)
            await msg.reply_text(text=txt, reply_markup=InlineKeyboardMarkup(btns))
        
    except Exception as e:
        logger.error(f"File DC error: {e}", exc_info=True)
        await reply_user_err(msg, MSG_DC_FILE_ERROR)

@StreamBot.on_message(filters.command("dc"))
async def dc_command(bot: Client, msg: Message):
    if not await check_banned(bot, msg):
        return
    if not await force_channel_check(bot, msg):
        return
    if not msg.from_user and not msg.reply_to_message:
        return await reply_user_err(msg, MSG_DC_ANON_ERROR)
    
    args = msg.text.strip().split(maxsplit=1)
    if len(args) > 1:
        user = await get_user(bot, args[1].strip())
        if user:
            await send_user_dc(msg, user)
        else:
            await reply_user_err(msg, MSG_ERROR_USER_INFO)
        return
    
    if msg.reply_to_message:
        ref = msg.reply_to_message
        if ref.media:
            await send_file_dc(msg, ref)
        elif ref.from_user:
            await send_user_dc(msg, ref.from_user)
        else:
            await reply_user_err(msg, MSG_DC_INVALID_USAGE)
        return
    
    if msg.from_user:
        await send_user_dc(msg, msg.from_user)
    else:
        await reply_user_err(msg, MSG_DC_ANON_ERROR)

@StreamBot.on_message(filters.command("ping") & filters.private)
async def ping_command(bot: Client, msg: Message):
    if not await check_banned(bot, msg):
        return
    if not await force_channel_check(bot, msg):
        return
    start = time.time()
    try:
        sent = await msg.reply_text(text=MSG_PING_START)
    except FloodWait as e:
        await asyncio.sleep(e.value)
        sent = await msg.reply_text(text=MSG_PING_START)
    end = time.time()
    ms = (end - start) * 1000
    
    btns = [
        [InlineKeyboardButton(MSG_BUTTON_GET_HELP, callback_data="help_command"),
         InlineKeyboardButton(MSG_BUTTON_CLOSE, callback_data="close_panel")]
    ]
    
    try:
        await sent.edit_text(
            MSG_PING_RESPONSE.format(time_taken_ms=ms),
            reply_markup=InlineKeyboardMarkup(btns),
            disable_web_page_preview=True
        )
    except FloodWait as e:
        await asyncio.sleep(e.value)
        await sent.edit_text(
            MSG_PING_RESPONSE.format(time_taken_ms=ms),
            reply_markup=InlineKeyboardMarkup(btns),
            disable_web_page_preview=True
        )
    except MessageNotModified:
        pass