/**
 * @copyright nhcarrigan
 * @license Naomi's Public License
 * @author Naomi Carrigan
 */
import { MessageFlags, type ChatInputCommandInteraction } from "discord.js";
import { personality } from "../config/personality.js";
import { ai } from "../utils/ai.js";
import { calculateCost } from "../utils/calculateCost.js";
import { isSubscribed } from "../utils/isSubscribed.js";

/**
 * Accepts a text snippet from the user. Submits it to Anthropic
 * to be summarised.
 * @param interaction -- The interaction payload from Discord.
 */
export const summarise = async(
  interaction: ChatInputCommandInteraction,
): Promise<void> => {
  await interaction.deferReply({ flags: [ MessageFlags.Ephemeral ] });
  const sub = await isSubscribed(interaction);
  if (!sub) {
    return;
  }

  const prompt = interaction.options.getString("text", true);

  const messages = await ai.messages.create({
    // eslint-disable-next-line @typescript-eslint/naming-convention -- Required key format for SDK.
    max_tokens:  2000,
    messages:    [ { content: prompt, role: "user" } ],
    model:       "claude-3-5-sonnet-latest",
    system:      `${personality} Your role in this conversation is to summarise the text the user has provided. Your goal is to reach 250 words or less. Wrap ONLY THE SUMMARY in multi-line code block so it is easy to copy.`,
    temperature: 1,
  });

  const response = messages.content.find((message) => {
    return message.type === "text";
  });

  await interaction.editReply(
    response?.text
      ?? "I'm sorry, I don't have an answer for that. Please try again later.",
  );

  const { usage } = messages;
  await calculateCost(usage, interaction.user.username, "summarise");
};