"""
bitcoin_rpc.py — Thin wrapper around bitcoin-cli for Python tests.
Uses subprocess calls to bitcoin-cli -regtest.
"""

import json
import subprocess
import time
import os

CLI = "bitcoin-cli"
SIGNET_ARGS = [CLI]

def cli_testnet(*args, wallet=None):
    """Call bitcoin-cli -testnet4 [wallet] <args> and return parsed JSON or string."""
    cmd = [CLI, "-testnet4"]
    if wallet:
        cmd.append(f"-rpcwallet={wallet}")
    
    normalized_args = []
    if len(args) == 1 and isinstance(args[0], str):
        normalized_args.extend(args[0].split())
    else:
        normalized_args.extend(str(a) for a in args)
    cmd.extend(normalized_args)
    
    result = subprocess.run(cmd, capture_output=True, text=True, timeout=60)
    if result.returncode != 0:
        raise RuntimeError(f"bitcoin-cli error: {result.stderr.strip()}\n  cmd: {' '.join(cmd)}")
    
    output = result.stdout.strip()
    if not output:
        return None
    try:
        return json.loads(output)
    except json.JSONDecodeError:
        return output

def cli_mainnet(*args, wallet=None):
    """Call bitcoin-cli -regtest [wallet] <args> and return parsed JSON or string."""
    cmd = list(SIGNET_ARGS)
    if wallet:
        cmd.append(f"-rpcwallet={wallet}")
    cmd.extend(str(a) for a in args)
    cmd = ' '.join(cmd)
    ssh_pass = os.environ.get("SSHPASS") or os.environ.get("SSH_PASS")
    if not ssh_pass:
        raise RuntimeError("Environment variable SSHPASS or SSH_PASS must be set")
    thecli = f"sshpass -p {ssh_pass} ssh root@95.111.247.57 '{cmd}'"
    result = subprocess.run(thecli, shell=True, capture_output=True, text=True, timeout=60)
    if result.returncode != 0:
        raise RuntimeError(f"bitcoin-cli error: {result.stderr.strip()}\n  cmd: {' '.join(cmd)}")

    output = result.stdout.strip()
    if not output:
        return None
    try:
        return json.loads(output)
    except json.JSONDecodeError:
        return output

def cli_regtest(*args, wallet=None):
    """Call bitcoin-cli -regtest [wallet] <args> and return parsed JSON or string."""
    cmd = [CLI, "-regtest"]
    if wallet:
        cmd.append(f"-rpcwallet={wallet}")
    for arg in args[0].split(' '):
        cmd.append(str(arg))
    # cmd.extend(str(a) for a in args)
    # print(f"Running command: {cmd}")
    result = subprocess.run(cmd, capture_output=True, text=True, timeout=60)

    # print(f"Command return code: {result.returncode}")
    # print(f"result: {result}")
    
    if result.returncode != 0:
        raise RuntimeError(f"bitcoin-cli error: {result.stderr.strip()}\n  cmd: {' '.join(cmd)}")

    output = result.stdout.strip()
    # print(f"Command output: {output}")
    if not output:
        # print("No output from command.")
        return None
    try:
        js= json.loads(output)
        # print(f"json from command: {js} (type {type(js)})")
        return js
    except json.JSONDecodeError:
        # print("text from command.")
        return output


# CLI = "bitcoin-cli"
# SIGNET_ARGS = [CLI]

# def cli_testnet(*args, wallet=None):
#     """Call Bitcoin RPC endpoint via HTTP and return parsed JSON or string."""
    
#     url = "https://bitcoin-testnet-rpc.publicnode.com"
#     args=args[0].split(' ')
#     print(f"args: {args}")
#     def parse_param(p):
#         try:
#             return json.loads(p)
#         except (json.JSONDecodeError, TypeError):
#             return p

#     payload = {
#         "jsonrpc": "1.0",
#         "id": "cli",
#         "method": args[0] if args else "getblockcount",
#         "params": [parse_param(p) for p in args[1:]] if len(args) > 1 else []
#     }
#     print(f"RPC request: {payload}")
    
#     try:
#         response = requests.post(url, json=payload, timeout=60)
#         response.raise_for_status()
#         result = response.json()
        
#         if "error" in result and result["error"]:
#             raise RuntimeError(f"bitcoin-cli error: {result['error']}")
        
#         return result.get("result")
#     except requests.RequestException as e:
#         raise RuntimeError(f"RPC request failed: {str(e)}")

# def cli_mainnet(*args, wallet=None):
#     """Call bitcoin-cli -regtest [wallet] <args> and return parsed JSON or string."""
#     cmd = list(SIGNET_ARGS)
#     if wallet:
#         cmd.append(f"-rpcwallet={wallet}")
#     cmd.extend(str(a) for a in args)
#     cmd = ' '.join(cmd)
#     ssh_pass = os.environ.get("SSHPASS") or os.environ.get("SSH_PASS")
#     if not ssh_pass:
#         raise RuntimeError("Environment variable SSHPASS or SSH_PASS must be set")
#     thecli = f"sshpass -p {ssh_pass} ssh root@95.111.247.57 '{cmd}'"
#     result = subprocess.run(thecli, shell=True, capture_output=True, text=True, timeout=60)
#     if result.returncode != 0:
#         raise RuntimeError(f"bitcoin-cli error: {result.stderr.strip()}\n  cmd: {' '.join(cmd)}")

#     output = result.stdout.strip()
#     if not output:
#         return None
#     try:
#         return json.loads(output)
#     except json.JSONDecodeError:
#         return output

# def cli_regtest(*args, wallet=None):
#     """Call bitcoin-cli -regtest [wallet] <args> and return parsed JSON or string."""
#     cmd = [CLI, "-regtest"]
#     if wallet:
#         cmd.append(f"-rpcwallet={wallet}")
#     cmd.extend(str(a) for a in args)
#     result = subprocess.run(cmd, capture_output=True, text=True, timeout=60)
#     if result.returncode != 0:
#         raise RuntimeError(f"bitcoin-cli error: {result.stderr.strip()}\n  cmd: {' '.join(cmd)}")

#     output = result.stdout.strip()
#     if not output:
#         return None
#     try:
#         return json.loads(output)
#     except json.JSONDecodeError:
#         return output