from typing import Dict, List, Tuple

from multiaddr import Multiaddr
from pydantic import BaseModel, StrictFloat, confloat, conint

from hivemind import choose_ip_address
from hivemind.dht.crypto import RSASignatureValidator
from hivemind.dht.schema import BytesWithPublicKey, SchemaValidator
from hivemind.dht.validation import RecordValidatorBase
from hivemind.utils.logging import get_logger

logger = get_logger(__name__)


class LocalMetrics(BaseModel):
    step: conint(ge=0, strict=True)
    samples_per_second: confloat(ge=0.0, strict=True)
    samples_accumulated: conint(ge=0, strict=True)
    loss: StrictFloat
    mini_steps: conint(ge=0, strict=True)


class MetricSchema(BaseModel):
    metrics: Dict[BytesWithPublicKey, LocalMetrics]


def make_validators(experiment_prefix: str) -> Tuple[List[RecordValidatorBase], bytes]:
    signature_validator = RSASignatureValidator()
    validators = [SchemaValidator(MetricSchema, prefix=experiment_prefix), signature_validator]
    return validators, signature_validator.local_public_key


class TextStyle:
    BOLD = "\033[1m"
    BLUE = "\033[34m"
    RESET = "\033[0m"


def log_visible_maddrs(visible_maddrs: List[Multiaddr], only_p2p: bool) -> None:
    if only_p2p:
        unique_addrs = {addr["p2p"] for addr in visible_maddrs}
        initial_peers_str = " ".join(f"/p2p/{addr}" for addr in unique_addrs)
    else:
        available_ips = [Multiaddr(addr) for addr in visible_maddrs if "ip4" in addr or "ip6" in addr]
        if available_ips:
            preferred_ip = choose_ip_address(available_ips)
            selected_maddrs = [addr for addr in visible_maddrs if preferred_ip in str(addr)]
        else:
            selected_maddrs = visible_maddrs
        initial_peers_str = " ".join(str(addr) for addr in selected_maddrs)

    logger.info(
        f"Running a DHT peer. To connect other peers to this one over the Internet, use "
        f"{TextStyle.BOLD}{TextStyle.BLUE}--initial_peers {initial_peers_str}{TextStyle.RESET}"
    )
    logger.info(f"Full list of visible multiaddresses: {' '.join(str(addr) for addr in visible_maddrs)}")