from core.aochat import server_packets, client_packets
from core.conn import Conn
from core.decorators import instance
from core.logger import Logger
from core.lookup.character_service import CharacterService
from core.setting_service import SettingService
from core.setting_types import TextSettingType, BooleanSettingType, ColorSettingType
from core.text import Text
from core.igncore import IgnCore


@instance("AllianceRelayController")
class AllianceRelayController:
    relay_channel_id = None
    MESSAGE_SOURCE = "alliance"

    def __init__(self):
        self.logger = Logger(__name__)

    # noinspection DuplicatedCode
    def inject(self, registry):
        self.bot: IgnCore = registry.get_instance("bot")
        self.setting_service: SettingService = registry.get_instance("setting_service")
        self.character_service: CharacterService = registry.get_instance("character_service")
        self.message_hub_service = registry.get_instance("message_hub_service")
        self.public_channel_service = registry.get_instance("public_channel_service")
        self.text: Text = registry.get_instance("text")

    def pre_start(self):
        self.message_hub_service.register_message_source(self.MESSAGE_SOURCE)

    def start(self):
        self.setting_service.register(self.module_name, "arelaybot", "",
                                      TextSettingType(allow_empty=True), "Bot for alliance relay")

        self.setting_service.register(self.module_name, "arelay_enabled", False,
                                      BooleanSettingType(), "Enable the alliance relay")

        self.setting_service.register(self.module_name, "arelay_color", "#C3C3C3",
                                      ColorSettingType(),
                                          "Color of messages from relay")

        self.message_hub_service.register_message_destination(self.MESSAGE_SOURCE, self.handle_relay_hub_message, [],
                                                              [self.MESSAGE_SOURCE])

        self.bot.register_packet_handler(server_packets.PrivateChannelInvited.id, self.handle_private_channel_invite,
                                         100)
        self.bot.register_packet_handler(server_packets.PrivateChannelMessage.id, self.handle_private_channel_message)

    # noinspection DuplicatedCode
    def handle_private_channel_invite(self, conn: Conn, packet: server_packets.PrivateChannelInvited):
        if conn.id != "main":
            return

        if not self.setting_service.get("arelay_enabled").get_value():
            return

        channel_name = self.character_service.get_char_name(packet.private_channel_id)
        if self.setting_service.get_value("arelaybot").lower() == channel_name.lower():
            self.bot.send_packet(client_packets.PrivateChannelJoin(packet.private_channel_id))
            self.logger.info("Joined private channel {channel}".format(channel=channel_name))
            self.relay_channel_id = packet.private_channel_id

    # noinspection DuplicatedCode
    def handle_private_channel_message(self, conn: Conn, packet: server_packets.PrivateChannelMessage):
        if conn.id != "main":
            return

        if not self.setting_service.get("arelay_enabled").get_value():
            return

        # ignore packets from the bot's own private channel and from the bot itself
        if packet.private_channel_id == self.bot.get_char_id() or packet.char_id == self.bot.get_char_id():
            return

        message = packet.message.lstrip()
        if message[:6] != "!agcr ":
            return

        message = message[6:]
        formatted_message = self.setting_service.get("arelay_color").format_text(message)

        sender = None
        self.message_hub_service.send_message(self.MESSAGE_SOURCE, sender, message, formatted_message)

    def handle_relay_hub_message(self, ctx):
        if not self.setting_service.get("arelay_enabled").get_value():
            return

        plain_msg = ctx.message or ctx.formatted_message
        invite = self.text.make_chatcmd("click here", "/tell <myname> discord invite",
                                        style="style='text-decoration:none'")

        blob = self.text.format_page('Info',
                                     f"<header>::: Information :::</header><br><br>"
                                     f"This message has been sent to you by:<br><br>"
                                     f"<header2>Igncom</header2><br>"
                                     f"<notice>{ctx.sender[1].name + '#' + ctx.sender[1].discriminator}</notice><br>"
                                     f"<highlight>{ctx.sender[0]}</highlight> on Alliance Discord.<br><br>"
                                     f"To reply, either respond in the relay or "
                                     f"contact them directly at the provided handles.<br><br>"
                                     f"<header2>Have you joined The Alliance Discord yet? "
                                     f"If not <highlight>{invite}</highlight> to receive an invite.</header2>")
        self.send_message_to_alliance(plain_msg + f" <yellow>[{blob}]</yellow>")

    def send_message_to_alliance(self, msg):
        if self.relay_channel_id:
            packet = client_packets.PrivateChannelMessage(self.relay_channel_id,
                                                          "!agcr " + self.text.format_message(msg, False), "\0")
            self.bot.conns["main"].send_packet(packet)