# BSD 2-Clause License
#
# Apprise - Push Notification Library.
# Copyright (c) 2026, Chris Caron <lead2gold@gmail.com>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
#    this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

# API Reference: https://smsmanager.cz/api/http#send

# To use this service you will need a SMS Manager account
# You will need credits (new accounts start with a few)
#     https://smsmanager.cz
#    1. Sign up and get test credit
#    2. Generate an API key in web administration.

import requests

from ..common import NotifyType
from ..locale import gettext_lazy as _
from ..utils.parse import (
    is_phone_no,
    parse_bool,
    parse_phone_no,
    validate_regex,
)
from .base import NotifyBase


class SMSManagerGateway:
    """The different gateway values."""

    HIGH = "high"
    ECONOMY = "economy"
    LOW = "low"
    DIRECT = "direct"


# Used for verification purposes
SMS_MANAGER_GATEWAYS = (
    SMSManagerGateway.HIGH,
    SMSManagerGateway.ECONOMY,
    SMSManagerGateway.LOW,
    SMSManagerGateway.DIRECT,
)


class NotifySMSManager(NotifyBase):
    """A wrapper for SMS Manager Notifications."""

    # The default descriptive name associated with the Notification
    service_name = "SMS Manager"

    # The services URL
    service_url = "https://smsmanager.cz"

    # All notification requests are secure
    secure_protocol = (
        "smsmgr",
        "smsmanager",
    )

    # A URL that takes you to the setup/help of the specific protocol
    setup_url = "https://appriseit.com/services/sms_manager/"

    # SMS Manager uses the http protocol with JSON requests
    notify_url = "https://http-api.smsmanager.cz/Send"

    # The maximum amount of texts that can go out in one batch
    default_batch_size = 4000

    # The maximum length of the body
    body_maxlen = 160

    # A title can not be used for SMS Messages.  Setting this to zero will
    # cause any title (if defined) to get placed into the message body.
    title_maxlen = 0

    # Define object templates
    templates = ("{schema}://{apikey}@{targets}",)

    # Define our template tokens
    template_tokens = dict(
        NotifyBase.template_tokens,
        **{
            "apikey": {
                "name": _("API Key"),
                "type": "string",
                "private": True,
                "required": True,
            },
            "target_phone": {
                "name": _("Target Phone No"),
                "type": "string",
                "prefix": "+",
                "regex": (r"^[0-9\s)(+-]+$", "i"),
                "map_to": "targets",
            },
            "targets": {
                "name": _("Targets"),
                "type": "list:string",
                "required": True,
            },
        },
    )

    # Define our template arguments
    template_args = dict(
        NotifyBase.template_args,
        **{
            "key": {
                "alias_of": "apikey",
            },
            "from": {
                "name": _("From Phone No"),
                "type": "string",
                "regex": (r"^\+?[0-9\s)(+-]+$", "i"),
                "map_to": "sender",
            },
            "sender": {
                "alias_of": "from",
            },
            "gateway": {
                "name": _("Gateway"),
                "type": "choice:string",
                "values": SMS_MANAGER_GATEWAYS,
                "default": SMS_MANAGER_GATEWAYS[0],
            },
            "to": {
                "alias_of": "targets",
            },
            "batch": {
                "name": _("Batch Mode"),
                "type": "bool",
                "default": False,
            },
        },
    )

    def __init__(
        self,
        apikey=None,
        sender=None,
        targets=None,
        batch=None,
        gateway=None,
        **kwargs,
    ):
        """Initialize SMS Manager Object."""
        super().__init__(**kwargs)

        self.apikey = validate_regex(apikey)
        if not self.apikey:
            msg = f"An invalid API Key ({apikey}) was specified."
            self.logger.warning(msg)
            raise TypeError(msg)

        # Setup our gateway
        self.gateway = (
            self.template_args["gateway"]["default"]
            if not isinstance(gateway, str)
            else gateway.lower()
        )
        if self.gateway not in SMS_MANAGER_GATEWAYS:
            msg = f"The Gateway specified ({gateway}) is invalid."
            self.logger.warning(msg)
            raise TypeError(msg)

        # Define whether or not we should operate in a batch mode
        self.batch = (
            self.template_args["batch"]["default"]
            if batch is None
            else bool(batch)
        )

        # Maximum 11 characters and must be approved by administrators of site
        self.sender = sender[0:11] if isinstance(sender, str) else None

        # Parse our targets
        self.targets = []

        for target in parse_phone_no(targets):
            # Parse each phone number we found
            # It is documented that numbers with a length of 9 characters are
            # supplemented by "420".
            result = is_phone_no(target, min_len=9)
            if result:
                # Carry forward '+' if defined, otherwise do not...
                self.targets.append(
                    ("+" + result["full"])
                    if target.lstrip()[0] == "+"
                    else result["full"]
                )
                continue

            self.logger.warning(
                f"Dropped invalid phone # ({target}) specified.",
            )

        return

    def send(self, body, title="", notify_type=NotifyType.INFO, **kwargs):
        """Perform SMS Manager Notification."""

        if not self.targets:
            # We have nothing to notify
            self.logger.warning("There are no SMS Manager targets to notify")
            return False

        # error tracking (used for function return)
        has_error = False

        # Send in batches if identified to do so
        batch_size = 1 if not self.batch else self.default_batch_size

        # Prepare our headers
        headers = {
            "User-Agent": self.app_id,
        }

        # Prepare our targets
        targets = (
            list(self.targets)
            if batch_size == 1
            else [
                self.targets[index : index + batch_size]
                for index in range(0, len(self.targets), batch_size)
            ]
        )

        while len(targets):
            # Get our target to notify
            target = targets.pop(0)

            # Prepare our payload
            # Note: Payload is assembled inside of our while-loop due to
            #       mock testing issues (payload singleton isn't persistent
            #       when performing follow up checks on the params object.
            payload = {
                "apikey": self.apikey,
                "gateway": self.gateway,
                # The number gets populated in the loop below
                "number": None,
                "message": body,
            }

            if self.sender:
                # Sender is ony set if specified
                payload["sender"] = self.sender

            # Printable target details
            if isinstance(target, list):
                p_target = f"{len(target)} targets"

                # Prepare our target numbers
                payload["number"] = ";".join(target)

            else:
                p_target = target
                # Prepare our target numbers
                payload["number"] = target

            # Some Debug Logging
            self.logger.debug(
                "SMS Manager POST URL:"
                f" {self.notify_url} (cert_verify={self.verify_certificate})"
            )
            self.logger.debug(f"SMS Manager Payload: {payload}")

            # Always call throttle before any remote server i/o is made
            self.throttle()
            try:
                r = requests.get(
                    self.notify_url,
                    params=payload,
                    headers=headers,
                    verify=self.verify_certificate,
                    timeout=self.request_timeout,
                )

                if r.status_code != requests.codes.ok:
                    # We had a problem
                    status_str = NotifyBase.http_response_code_lookup(
                        r.status_code
                    )

                    # set up our status code to use
                    status_code = r.status_code

                    self.logger.warning(
                        "Failed to send SMS Manager notification to {}: "
                        "{}{}error={}.".format(
                            p_target,
                            status_str,
                            ", " if status_str else "",
                            status_code,
                        )
                    )

                    self.logger.debug(
                        "Response Details:\r\n%r", (r.content or b"")[:2000])

                    # Mark our failure
                    has_error = True
                    continue

                else:
                    self.logger.info(
                        f"Sent SMS Manager notification to {p_target}."
                    )

            except requests.RequestException as e:
                self.logger.warning(
                    "A Connection error occurred sending SMS Manager: to %s ",
                    p_target,
                )
                self.logger.debug(f"Socket Exception: {e!s}")

                # Mark our failure
                has_error = True
                continue

        return not has_error

    @property
    def url_identifier(self):
        """Returns all of the identifiers that make this URL unique from
        another simliar one.

        Targets or end points should never be identified here.
        """
        return (self.secure_protocol[0], self.apikey)

    def url(self, privacy=False, *args, **kwargs):
        """Returns the URL built dynamically based on specified arguments."""

        # Define any URL parameters
        params = {
            "batch": "yes" if self.batch else "no",
            "gateway": self.gateway,
        }

        if self.sender:
            # Set our sender if it was set
            params["sender"] = self.sender

        # Extend our parameters
        params.update(self.url_parameters(privacy=privacy, *args, **kwargs))

        return "{schema}://{apikey}@{targets}?{params}".format(
            schema=self.secure_protocol[0],
            apikey=self.pprint(self.apikey, privacy, safe=""),
            targets="/".join([
                NotifySMSManager.quote(f"{x}", safe="+") for x in self.targets
            ]),
            params=NotifySMSManager.urlencode(params),
        )

    def __len__(self):
        """Returns the number of targets associated with this notification."""

        #
        # Factor batch into calculation
        #
        # Note: Groups always require a separate request (and can not be
        # included in batch calculations)
        batch_size = 1 if not self.batch else self.default_batch_size
        targets = len(self.targets)
        if batch_size > 1:
            targets = int(targets / batch_size) + (
                1 if targets % batch_size else 0
            )

        return targets

    @staticmethod
    def parse_url(url):
        """Parses the URL and returns enough arguments that can allow us to re-
        instantiate this object."""

        results = NotifyBase.parse_url(url, verify_host=False)
        if not results:
            # We're done early as we couldn't load the results
            return results

        # Get our API Key
        results["apikey"] = NotifySMSManager.unquote(results["user"])

        # Store our targets
        results["targets"] = [
            *NotifySMSManager.parse_phone_no(results["host"]),
            *NotifySMSManager.split_path(results["fullpath"]),
        ]

        # The 'from' makes it easier to use yaml configuration
        if "from" in results["qsd"] and len(results["qsd"]["from"]):
            results["sender"] = NotifySMSManager.unquote(
                results["qsd"]["from"]
            )

        elif "sender" in results["qsd"] and len(results["qsd"]["sender"]):
            # Support sender= value as well to align with SMS Manager API
            results["sender"] = NotifySMSManager.unquote(
                results["qsd"]["sender"]
            )

        # Support the 'to' variable so that we can support targets this way too
        # The 'to' makes it easier to use yaml configuration
        if "to" in results["qsd"] and len(results["qsd"]["to"]):
            results["targets"] += NotifySMSManager.parse_phone_no(
                results["qsd"]["to"]
            )

        if "key" in results["qsd"] and len(results["qsd"]["key"]):
            results["apikey"] = NotifySMSManager.unquote(results["qsd"]["key"])

        # Get Batch Mode Flag
        results["batch"] = parse_bool(
            results["qsd"].get(
                "batch", NotifySMSManager.template_args["batch"]["default"]
            )
        )

        # Define our gateway
        if "gateway" in results["qsd"] and len(results["qsd"]["gateway"]):
            results["gateway"] = NotifySMSManager.unquote(
                results["qsd"]["gateway"]
            )

        return results
