# 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.

import re

import requests

from ..common import NotifyType
from ..locale import gettext_lazy as _
from ..utils.parse import validate_regex
from .base import NotifyBase

# Register at https://sct.ftqq.com/
#   - do as the page describe and you will get the token

# Syntax:
#  schan://{access_token}/


class NotifyServerChan(NotifyBase):
    """A wrapper for ServerChan Notifications."""

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

    # The services URL
    service_url = "https://sct.ftqq.com/"

    # All notification requests are secure
    secure_protocol = "schan"

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

    # ServerChan API
    notify_url = "https://sctapi.ftqq.com/{token}.send"

    # Define object templates
    templates = ("{schema}://{token}",)

    # Define our template tokens
    template_tokens = dict(
        NotifyBase.template_tokens,
        **{
            "token": {
                "name": _("Token"),
                "type": "string",
                "private": True,
                "required": True,
                "regex": (r"^[a-z0-9-]+$", "i"),
            },
        },
    )

    def __init__(self, token, **kwargs):
        """Initialize ServerChan Object."""
        super().__init__(**kwargs)

        # Token (associated with project)
        self.token = validate_regex(
            token, *self.template_tokens["token"]["regex"]
        )
        if not self.token:
            msg = f"An invalid ServerChan API Token ({token}) was specified."
            self.logger.warning(msg)
            raise TypeError(msg)

    def send(self, body, title="", notify_type=NotifyType.INFO, **kwargs):
        """Perform ServerChan Notification."""
        payload = {
            "title": title,
            "desp": body,
        }

        # Our Notification URL
        notify_url = self.notify_url.format(token=self.token)

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

        # Always call throttle before any remote server i/o is made
        self.throttle()

        try:
            r = requests.post(
                notify_url,
                data=payload,
                verify=self.verify_certificate,
                timeout=self.request_timeout,
            )

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

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

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

            else:
                self.logger.info("Sent ServerChan notification.")

        except requests.RequestException as e:
            self.logger.warning(
                "A Connection error occured sending ServerChan notification."
            )
            self.logger.debug(f"Socket Exception: {e!s}")
            return False

        return True

    @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, self.token)

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

        return "{schema}://{token}".format(
            schema=self.secure_protocol,
            token=self.pprint(self.token, privacy, safe=""),
        )

    @staticmethod
    def parse_url(url):
        """Parses the URL and returns enough arguments that can allow us to
        substantiate this object."""
        results = NotifyBase.parse_url(url, verify_host=False)
        if not results:
            # We're done early as we couldn't parse the URL
            return results

        pattern = "schan://([a-zA-Z0-9]+)/" + (
            "?" if not url.endswith("/") else ""
        )
        result = re.match(pattern, url)
        results["token"] = result.group(1) if result else ""
        return results
