###
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###

from supybot import utils, plugins, ircutils, callbacks
from supybot.commands import *
from supybot.i18n import PluginInternationalization
import supybot.log as log
import re
import google.generativeai as genai

_ = PluginInternationalization("Gemini")


class Gemini(callbacks.Plugin):
    """GoogleAI Gemini Chat Plugin"""

    threaded = True

    def __init__(self, irc):
        self.__parent = super(Gemini, self)
        self.__parent.__init__(irc)
        self.history = {}

    def chat(self, irc, msg, args, text):
        """Chat Call to the Gemini API"""
        channel = msg.channel
        if not irc.isChannel(channel):
            channel = msg.nick
        genai.configure(api_key=self.registryValue("api_key", msg.channel))
        prompt = self.registryValue("prompt", msg.channel).replace("$botnick", irc.nick)
        max_tokens = self.registryValue("max_tokens", msg.channel)
        model = genai.GenerativeModel(
            self.registryValue("model", msg.channel),
            generation_config={"max_output_tokens": max_tokens},
            system_instruction=prompt,
        )
        max_history = self.registryValue("max_history", msg.channel)
        self.history.setdefault(channel, None)
        if not self.history[channel] or max_history < 1:
            self.history[channel] = []
        chat = model.start_chat(history=self.history[channel][-max_history:])
        try:
            if self.registryValue("nick_include", msg.channel):
                response = chat.send_message("%s: %s" % (msg.nick, text))
            else:
                response = chat.send_message(text)
        except Exception as e:
            log.error("Gemini failed to fetch response: %s", e)
            return
        if self.registryValue("nick_strip", msg.channel):
            content = re.sub(r"^%s: " % (irc.nick), "", response.text)
        else:
            content = response.text
        prefix = self.registryValue("nick_prefix", msg.channel)
        for line in content.splitlines():
            if line:
                irc.reply(line, prefixNick=prefix)
        self.history[channel] = chat.history

    chat = wrap(chat, ["text"])


Class = Gemini


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