"""
MIT License

Copyright (c) present TheHamkerCat

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
"""

from asyncio import Lock, create_task
from time import time

from pyrogram import filters
from pyrogram.types import Message

from wbb import BOT_ID, SUDOERS, USERBOT_PREFIX, app2
from wbb.core.sections import bold, section, w

tasks = {}
TASKS_LOCK = Lock()
arrow = lambda x: (x.text if x else "") + "\n`→`"


def all_tasks():
    return tasks


async def add_task(
        taskFunc,
        task_name,
        *args,
        **kwargs,
):
    async with TASKS_LOCK:
        global tasks

        task_id = (list(tasks.keys())[-1] + 1) if tasks else 0

        task = create_task(
            taskFunc(*args, **kwargs),
            name=task_name,
        )
        tasks[task_id] = task, int(time())
    return task, task_id


async def rm_task(task_id=None):
    global tasks

    async with TASKS_LOCK:
        for key, value in list(tasks.items()):
            if value[0].done() or value[0].cancelled():
                del tasks[key]

        if (task_id is not None) and (task_id in tasks):
            task = tasks[task_id][0]

            if not task.done():
                task.cancel()

            del tasks[task_id]


async def _get_tasks_text():
    await rm_task()  # Clean completed tasks
    if not tasks:
        return f"{arrow('')} No pending task"

    text = bold("Tasks") + "\n"

    for i, task in enumerate(list(tasks.items())):
        indent = w * 4

        t, started = task[1]
        elapsed = round(time() - started)
        info = t._repr_info()

        id = task[0]
        text += section(
            f"{indent}Task {i}",
            body={
                "Name": t.get_name(),
                "Task ID": id,
                "Status": info[0].capitalize(),
                "Origin": info[2].split("/")[-1].replace(">", ""),
                "Running since": f"{elapsed}s",
            },
            indent=8,
        )
    return text


@app2.on_message(
    SUDOERS
    & ~filters.forwarded
    & ~filters.via_bot
    & filters.command("lsTasks", prefixes=USERBOT_PREFIX)
)
async def task_list(_, message: Message):
    if message.from_user.is_self:
        await message.delete()

    results = await app2.get_inline_bot_results(
        BOT_ID,
        "tasks",
    )
    await app2.send_inline_bot_result(
        message.chat.id,
        results.query_id,
        results.results[0].id,
    )