"""This script generates devinfo files for the test suite.

If you have new, yet unsupported device or a device with no devinfo file under kasa/tests/fixtures,
feel free to run this script and create a PR to add the file to the repository.

Executing this script will several modules and methods one by one,
and finally execute a query to query all of them at once.
"""
import asyncio
import collections.abc
import json
import logging
import re
from collections import defaultdict, namedtuple
from pprint import pprint

import click

from kasa import TPLinkSmartHomeProtocol

Call = namedtuple("Call", "module method")


def scrub(res):
    """Remove identifiers from the given dict."""
    keys_to_scrub = [
        "deviceId",
        "fwId",
        "hwId",
        "oemId",
        "mac",
        "mic_mac",
        "latitude_i",
        "longitude_i",
        "latitude",
        "longitude",
    ]

    for k, v in res.items():
        if isinstance(v, collections.abc.Mapping):
            res[k] = scrub(res.get(k))
        else:
            if k in keys_to_scrub:
                if k in ["latitude", "latitude_i", "longitude", "longitude_i"]:
                    v = 0
                else:
                    v = re.sub(r"\w", "0", v)

            res[k] = v
    return res


def default_to_regular(d):
    """Convert nested defaultdicts to regular ones.

    From https://stackoverflow.com/a/26496899
    """
    if isinstance(d, defaultdict):
        d = {k: default_to_regular(v) for k, v in d.items()}
    return d


@click.command()
@click.argument("host")
@click.option("-d", "--debug", is_flag=True)
def cli(host, debug):
    """Generate devinfo file for given device."""
    if debug:
        logging.basicConfig(level=logging.DEBUG)

    items = [
        Call(module="system", method="get_sysinfo"),
        Call(module="emeter", method="get_realtime"),
        Call(module="smartlife.iot.dimmer", method="get_dimmer_parameters"),
        Call(module="smartlife.iot.common.emeter", method="get_realtime"),
        Call(
            module="smartlife.iot.smartbulb.lightingservice", method="get_light_state"
        ),
    ]

    successes = []

    for test_call in items:

        async def _run_query():
            protocol = TPLinkSmartHomeProtocol(host)
            return await protocol.query({test_call.module: {test_call.method: None}})

        try:
            click.echo(f"Testing {test_call}..", nl=False)
            info = asyncio.run(_run_query())
            resp = info[test_call.module]
        except Exception as ex:
            click.echo(click.style(f"FAIL {ex}", fg="red"))
        else:
            if "err_msg" in resp:
                click.echo(click.style(f"FAIL {resp['err_msg']}", fg="red"))
            else:
                click.echo(click.style("OK", fg="green"))
                successes.append((test_call, info))

    final_query = defaultdict(defaultdict)
    final = defaultdict(defaultdict)

    for succ, resp in successes:
        final_query[succ.module][succ.method] = None
        final[succ.module][succ.method] = resp

    final = default_to_regular(final)

    async def _run_final_query():
        protocol = TPLinkSmartHomeProtocol(host)
        return await protocol.query(final_query)

    try:
        final = asyncio.run(_run_final_query())
    except Exception as ex:
        click.echo(
            click.style(
                f"Unable to query all successes at once: {ex}", bold=True, fg="red"
            )
        )

    click.echo("Got %s successes" % len(successes))
    click.echo(click.style("## device info file ##", bold=True))

    sysinfo = final["system"]["get_sysinfo"]
    model = sysinfo["model"]
    hw_version = sysinfo["hw_ver"]
    sw_version = sysinfo["sw_ver"]
    sw_version = sw_version.split(" ", maxsplit=1)[0]
    save_to = f"{model}_{hw_version}_{sw_version}.json"
    pprint(scrub(final))
    save = click.prompt(f"Do you want to save the above content to {save_to} (y/n)")
    if save == "y":
        click.echo(f"Saving info to {save_to}")

        with open(save_to, "w") as f:
            json.dump(final, f, sort_keys=True, indent=4)
            f.write("\n")
    else:
        click.echo("Not saving.")


if __name__ == "__main__":
    cli()