# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# pylint: disable=too-many-arguments, import-outside-toplevel
# pylint: disable=inconsistent-return-statements

import os
import subprocess
import sys
import threading
from site import addsitedir
from tempfile import mkdtemp
from time import sleep

import click

from platformio import fs, proc
from platformio.device.monitor.command import (
    apply_project_monitor_options,
    device_monitor_cmd,
    get_project_options,
)
from platformio.package.manager.core import get_core_package_dir
from platformio.project.exception import NotPlatformIOProjectError
from platformio.project.options import ProjectOptions
from platformio.run.cli import cli as cmd_run
from platformio.test.cli import cli as test_cmd


@click.group("remote", short_help="Remote Development")
@click.option("-a", "--agent", multiple=True)
@click.pass_context
def cli(ctx, agent):
    ctx.obj = agent
    # inject twisted dependencies
    contrib_dir = get_core_package_dir("contrib-pioremote")
    if contrib_dir not in sys.path:
        addsitedir(contrib_dir)
        sys.path.insert(0, contrib_dir)


@cli.group("agent", short_help="Start a new agent or list active")
def remote_agent():
    pass


@remote_agent.command("start", short_help="Start agent")
@click.option("-n", "--name")
@click.option("-s", "--share", multiple=True, metavar="E-MAIL")
@click.option(
    "-d",
    "--working-dir",
    envvar="PLATFORMIO_REMOTE_AGENT_DIR",
    type=click.Path(file_okay=False, dir_okay=True, writable=True),
)
def remote_agent_start(name, share, working_dir):
    from platformio.remote.client.agent_service import RemoteAgentService

    RemoteAgentService(name, share, working_dir).connect()


@remote_agent.command("list", short_help="List active agents")
def remote_agent_list():
    from platformio.remote.client.agent_list import AgentListClient

    AgentListClient().connect()


@cli.command("update", short_help="Update installed Platforms, Packages and Libraries")
@click.option(
    "-c",
    "--only-check",
    is_flag=True,
    help="DEPRECATED. Please use `--dry-run` instead",
)
@click.option(
    "--dry-run", is_flag=True, help="Do not update, only check for the new versions"
)
@click.pass_obj
def remote_update(agents, only_check, dry_run):
    from platformio.remote.client.update_core import UpdateCoreClient

    UpdateCoreClient("update", agents, dict(only_check=only_check or dry_run)).connect()


@cli.command("run", short_help="Process project environments remotely")
@click.option("-e", "--environment", multiple=True)
@click.option("-t", "--target", multiple=True)
@click.option("--upload-port")
@click.option(
    "-d",
    "--project-dir",
    default=os.getcwd,
    type=click.Path(exists=True, file_okay=True, dir_okay=True, writable=True),
)
@click.option("--disable-auto-clean", is_flag=True)
@click.option("-r", "--force-remote", is_flag=True)
@click.option("-s", "--silent", is_flag=True)
@click.option("-v", "--verbose", is_flag=True)
@click.pass_obj
@click.pass_context
def remote_run(
    ctx,
    agents,
    environment,
    target,
    upload_port,
    project_dir,
    disable_auto_clean,
    force_remote,
    silent,
    verbose,
):
    from platformio.remote.client.run_or_test import RunOrTestClient

    cr = RunOrTestClient(
        "run",
        agents,
        dict(
            environment=environment,
            target=target,
            upload_port=upload_port,
            project_dir=project_dir,
            disable_auto_clean=disable_auto_clean,
            force_remote=force_remote,
            silent=silent,
            verbose=verbose,
        ),
    )
    if force_remote:
        return cr.connect()

    click.secho("Building project locally", bold=True)
    local_targets = []
    if "clean" in target:
        local_targets = ["clean"]
    elif set(["buildfs", "uploadfs", "uploadfsota"]) & set(target):
        local_targets = ["buildfs"]
    else:
        local_targets = ["checkprogsize", "buildprog"]
    ctx.invoke(
        cmd_run,
        environment=environment,
        target=local_targets,
        project_dir=project_dir,
        # disable_auto_clean=True,
        silent=silent,
        verbose=verbose,
    )

    if any(["upload" in t for t in target] + ["program" in target]):
        click.secho("Uploading firmware remotely", bold=True)
        cr.options["target"] += ("nobuild",)
        cr.options["disable_auto_clean"] = True
        cr.connect()

    return True


@cli.command("test", short_help="Remote Unit Testing")
@click.option("--environment", "-e", multiple=True, metavar="<environment>")
@click.option(
    "--filter",
    "-f",
    multiple=True,
    metavar="<pattern>",
    help="Filter tests by a pattern",
)
@click.option(
    "--ignore",
    "-i",
    multiple=True,
    metavar="<pattern>",
    help="Ignore tests by a pattern",
)
@click.option("--upload-port")
@click.option("--test-port")
@click.option(
    "-d",
    "--project-dir",
    default=os.getcwd,
    type=click.Path(exists=True, file_okay=False, dir_okay=True, writable=True),
)
@click.option("-r", "--force-remote", is_flag=True)
@click.option("--without-building", is_flag=True)
@click.option("--without-uploading", is_flag=True)
@click.option("--verbose", "-v", is_flag=True)
@click.pass_obj
@click.pass_context
def remote_test(  # pylint: disable=redefined-builtin
    ctx,
    agents,
    environment,
    filter,
    ignore,
    upload_port,
    test_port,
    project_dir,
    force_remote,
    without_building,
    without_uploading,
    verbose,
):
    from platformio.remote.client.run_or_test import RunOrTestClient

    cr = RunOrTestClient(
        "test",
        agents,
        dict(
            environment=environment,
            filter=filter,
            ignore=ignore,
            upload_port=upload_port,
            test_port=test_port,
            project_dir=project_dir,
            force_remote=force_remote,
            without_building=without_building,
            without_uploading=without_uploading,
            verbose=verbose,
        ),
    )
    if force_remote:
        return cr.connect()

    click.secho("Building project locally", bold=True)

    ctx.invoke(
        test_cmd,
        environment=environment,
        filter=filter,
        ignore=ignore,
        project_dir=project_dir,
        without_uploading=True,
        without_testing=True,
        verbose=verbose,
    )

    click.secho("Testing project remotely", bold=True)
    cr.options["without_building"] = True
    cr.connect()

    return True


@cli.group("device", short_help="Monitor remote device or list existing")
def remote_device():
    pass


@remote_device.command("list", short_help="List remote devices")
@click.option("--json-output", is_flag=True)
@click.pass_obj
def device_list(agents, json_output):
    from platformio.remote.client.device_list import DeviceListClient

    DeviceListClient(agents, json_output).connect()


@remote_device.command("monitor", short_help="Monitor remote device")
@click.option("--port", "-p", help="Port, a number or a device name")
@click.option(
    "-b",
    "--baud",
    type=ProjectOptions["env.monitor_speed"].type,
    help="Set baud/speed [default=%d]" % ProjectOptions["env.monitor_speed"].default,
)
@click.option(
    "--parity",
    type=ProjectOptions["env.monitor_parity"].type,
    help="Set parity [default=%s]" % ProjectOptions["env.monitor_parity"].default,
)
@click.option("--rtscts", is_flag=True, help="Enable RTS/CTS flow control")
@click.option("--xonxoff", is_flag=True, help="Enable software flow control")
@click.option(
    "--rts",
    type=ProjectOptions["env.monitor_rts"].type,
    help="Set initial RTS line state",
)
@click.option(
    "--dtr",
    type=ProjectOptions["env.monitor_dtr"].type,
    help="Set initial DTR line state",
)
@click.option("--echo", is_flag=True, help="Enable local echo")
@click.option(
    "--encoding",
    default="UTF-8",
    show_default=True,
    help="Set the encoding for the serial port (e.g. hexlify, Latin1, UTF-8)",
)
@click.option(
    "-f",
    "--filter",
    "filters",
    multiple=True,
    help="Apply filters/text transformations",
)
@click.option(
    "--eol",
    type=ProjectOptions["env.monitor_eol"].type,
    help="End of line mode [default=%s]" % ProjectOptions["env.monitor_eol"].default,
)
@click.option("--raw", is_flag=True, help=ProjectOptions["env.monitor_raw"].description)
@click.option(
    "--exit-char",
    type=int,
    default=3,
    show_default=True,
    help="ASCII code of special character that is used to exit "
    "the application [default=3 (Ctrl+C)]",
)
@click.option(
    "--menu-char",
    type=int,
    default=20,
    help="ASCII code of special character that is used to "
    "control terminal (menu) [default=20 (DEC)]",
)
@click.option(
    "--quiet",
    is_flag=True,
    help="Diagnostics: suppress non-error messages",
)
@click.option(
    "-d",
    "--project-dir",
    default=os.getcwd,
    type=click.Path(exists=True, file_okay=False, dir_okay=True),
)
@click.option(
    "-e",
    "--environment",
    help="Load configuration from `platformio.ini` and specified environment",
)
@click.option(
    "--sock",
    type=click.Path(exists=True, file_okay=False, dir_okay=True, writable=True),
)
@click.pass_obj
@click.pass_context
def device_monitor(ctx, agents, **kwargs):
    from platformio.remote.client.device_monitor import DeviceMonitorClient

    if kwargs["sock"]:
        return DeviceMonitorClient(agents, **kwargs).connect()

    project_options = {}
    try:
        with fs.cd(kwargs["project_dir"]):
            project_options = get_project_options(kwargs["environment"])
    except NotPlatformIOProjectError:
        pass

    kwargs = apply_project_monitor_options(kwargs, project_options)

    def _tx_target(sock_dir):
        subcmd_argv = ["remote"]
        for agent in agents:
            subcmd_argv.extend(["--agent", agent])
        subcmd_argv.extend(["device", "monitor"])
        subcmd_argv.extend(project_options_to_monitor_argv(kwargs))
        subcmd_argv.extend(["--sock", sock_dir])
        subprocess.call([proc.where_is_program("platformio")] + subcmd_argv)

    sock_dir = mkdtemp(suffix="pio")
    sock_file = os.path.join(sock_dir, "sock")
    try:
        t = threading.Thread(target=_tx_target, args=(sock_dir,))
        t.start()
        while t.is_alive() and not os.path.isfile(sock_file):
            sleep(0.1)
        if not t.is_alive():
            return
        with open(sock_file, encoding="utf8") as fp:
            kwargs["port"] = fp.read()
        kwargs["no_reconnect"] = True
        ctx.invoke(device_monitor_cmd, **kwargs)
        t.join(2)
    finally:
        fs.rmtree(sock_dir)

    return True


def project_options_to_monitor_argv(cli_options):
    result = []
    for item in cli_options["filters"] or []:
        result.extend(["--filter", item])
    for k, v in cli_options.items():
        if v is None or k == "filters":
            continue
        k = "--" + k.replace("_", "-")
        if isinstance(v, bool):
            if v:
                result.append(k)
        elif isinstance(v, tuple):
            for i in v:
                result.extend([k, i])
        else:
            result.extend([k, str(v)])
    return result
