import asyncio
import argparse
import aiohttp
import time
from time import struct_time, localtime

from src.server.connection import NodeType

# from src.types.header_block import SmallHeaderBlock, HeaderBlock
from src.rpc.rpc_client import RpcClient
from src.util.byte_types import hexstr_to_bytes


def str2bool(v: str) -> bool:
    if isinstance(v, bool):
        return v
    if v.lower() in ("yes", "true", "t", "y", "1"):
        return True
    elif v.lower() in ("no", "false", "f", "n", "0"):
        return False
    else:
        raise argparse.ArgumentTypeError("Boolean value expected.")


async def main():
    parser = argparse.ArgumentParser(description="cli.py.")

    parser.add_argument(
        "-b",
        "--block_header_hash",
        help="Block header hash string",
        type=str,
        default="",
    )
    parser.add_argument(
        "-s",
        "--state",
        type=str2bool,
        nargs="?",
        const=True,
        default=False,
        help="Get state",
    )
    parser.add_argument(
        "-c",
        "--connections",
        type=str2bool,
        nargs="?",
        const=True,
        default=False,
        help="Get state",
    )

    parser.add_argument(
        "-p",
        "--rpc-port",
        help="RPC port that full node is exposing",
        type=int,
        default=8555,
    )

    args = parser.parse_args()

    # print(args)

    try:
        client = await RpcClient.create(args.rpc_port)

        # TODO: Add other rpc calls
        # TODO: pretty print response
        if args.state:
            blockchain_state = await client.get_blockchain_state()
            lca_block = blockchain_state["lca"]
            tips = blockchain_state["tips"]
            difficulty = blockchain_state["difficulty"]
            ips = blockchain_state["ips"]
            sync_mode = blockchain_state["sync_mode"]
            total_iters = lca_block.data.total_iters

            # print (dir(lca_block))
            if sync_mode:
                print("Current Blockchain Status. Full Node Syncing")
            else:
                print("Current Blockchain Status. Full Node Synced")
            print("Current least common ancestor ", lca_block.header_hash)
            # print ("LCA time",time.ctime(lca_block.data.timestamp),"LCA height:",lca_block.height)
            lca_time = struct_time(localtime(lca_block.data.timestamp))
            print(
                "LCA time",
                time.strftime("%a %b %d %Y %T %Z", lca_time),
                "LCA height:",
                lca_block.height,
            )
            heads_text = "Heights of tips: " + str([h.height for h in tips])
            difficulty_label = f"Current difficulty: {difficulty}"
            print(heads_text)
            print(difficulty_label)
            print("Current VDF iterations per second:", ips)
            # print("LCA data:\n", lca_block.data)
            print("Total iterations since genesis:", total_iters)

        if args.connections:
            connections = await client.get_connections()
            print("Connections")
            print(
                f"Type      IP                                      Ports      NodeID        "
                f"Last Connect       MB Up|Dwn"
            )
            for con in connections:
                last_connect_tuple = struct_time(localtime(con["last_message_time"]))
                # last_connect = time.ctime(con['last_message_time'])
                last_connect = time.strftime("%b %d %T", last_connect_tuple)
                mb_down = con["bytes_read"] / 1024
                mb_up = con["bytes_written"] / 1024
                # print (last_connect)
                con_str = (
                    f"{NodeType(con['type']).name:9} {con['peer_host']:39} "
                    f"{con['peer_port']:5}/{con['peer_server_port']:<5}"
                    f"{con['node_id'].hex()[:10]}... "
                    f"{last_connect}  "
                    f"{mb_down:7.1f}|{mb_up:<7.1f}"
                )
                print(con_str)
        elif args.block_header_hash != "":
            block = await client.get_block(hexstr_to_bytes(args.block_header_hash))
            # print(dir(block))
            if block is not None:
                print("Block header:")
                print(block.header)
                block_time = struct_time(localtime(block.header.data.timestamp))
                print("Block time:", time.strftime("%a %b %d %Y %T %Z", block_time))
            else:
                print("Block hash", args.block_header_hash, "not found.")

    except Exception as e:
        if isinstance(e, aiohttp.client_exceptions.ClientConnectorError):
            print(f"Connection error. Check if full node is running at {args.rpc_port}")
        else:
            print(f"Exception {e}")

    client.close()
    await client.await_closed()


asyncio.run(main())