import json
import subprocess
import sys

from mcbladerf import cli_fallback

# bladeRF-cli 1.10 output for `-e info -e version`
INFO_OUTPUT = """
  Board:                    Nuand bladeRF (bladerf1)
  Serial #:                 0123456789abcdef0123456789abcdef
  VCTCXO DAC calibration:   0x8f68
  FPGA size:                40 KLE
  FPGA loaded:              yes
  Flash size:               32 Mbit
  USB bus:                  4
  USB address:              16
  USB speed:                SuperSpeed
  Backend:                  libusb
  Instance:                 0

  bladeRF-cli version:        1.10.0-git-fcf94233-dirty
  libbladeRF version:         2.6.0-git-fcf94233-dirty

  Firmware version:           2.6.0-git-09c82087
  FPGA version:               0.16.0 (configured from SPI flash)
"""


def test_device_info_parses_firmware_version(monkeypatch):
    monkeypatch.setattr(cli_fallback, "_run_cli", lambda *a, **k: INFO_OUTPUT)

    info = cli_fallback.get_device_info()

    assert info.fw_version == "2.6.0-git-09c82087"
    assert info.fpga_version == "0.16.0"
    assert info.fpga_loaded is True
    assert info.usb_speed == "SuperSpeed"


def test_calibrate_dc_rejects_help_output(monkeypatch):
    monkeypatch.setattr(
        cli_fallback, "_run_cli", lambda *a, **k: "\nDescription of calibrate command:\n"
    )
    try:
        cli_fallback.calibrate_dc()
    except RuntimeError as e:
        assert "rejected" in str(e)
    else:
        raise AssertionError("help text was reported as a successful calibration")


def test_stdout_carries_only_json_rpc():
    request = {
        "jsonrpc": "2.0",
        "id": 1,
        "method": "initialize",
        "params": {
            "protocolVersion": "2025-06-18",
            "capabilities": {},
            "clientInfo": {"name": "test", "version": "0"},
        },
    }
    proc = subprocess.run(
        [sys.executable, "-c", "from mcbladerf.server import main; main()"],
        input=json.dumps(request) + "\n",
        capture_output=True,
        text=True,
        timeout=30,
    )

    lines = [line for line in proc.stdout.splitlines() if line.strip()]
    assert lines, proc.stderr
    for line in lines:
        json.loads(line)
    assert json.loads(lines[0])["result"]["serverInfo"]["name"] == "mcbladerf"