from typing import TYPE_CHECKING, List
from threading import Thread
from queue import Queue

import blockdb

if TYPE_CHECKING:
    from onionrblocks import Block
    from ..dandelion.phase import DandelionPhase


def store_blocks(
        block_queues: List[Queue['Block']],
        dandelion_phase: 'DandelionPhase'):

    new_queue: Queue['Block'] = Queue()

    def _watch_queue(block_queue: Queue['Block']):
        # Copy all incoming blocks into 1 queue which gets processed to db
        while not dandelion_phase.is_stem_phase() \
                and dandelion_phase.remaining_time() > 1:
            try:
                new_queue.put(
                    block_queue.get(timeout=dandelion_phase.remaining_time()))
            except TimeoutError:
                pass

    for block_queue in block_queues:
        Thread(target=_watch_queue, args=block_queue, daemon=True).start()

    while not dandelion_phase.is_stem_phase() \
            and dandelion_phase.remaining_time() > 1:
        try:
            blockdb.store_vdf_block(
                new_queue.get(timeout=dandelion_phase.remaining_time())
            )
        except TimeoutError:
            pass