import { get, omit } from "radash";

export default defineEventHandler(async (event) => {
  const body = await readBody(event);
  const db = useDrizzle();
  const openai = useOpenAI();

  const user = await db.query.users.findFirst({
    where: (f, o) => o.eq(f.id, body.owner_id),
    with: {
      preferences: true,
    },
  });

  if (!user?.preferences.data?.enabled) {
    return;
  }

  const strava = await useStrava(body.owner_id);

  const [, activity] = await strava!<any>(`/activities/${body.object_id}`);

  const [aiError, aiResponse] = await openai("/responses", {
    body: {
      model: "gpt-4o-mini",
      input: [
        {
          role: "user",
          content: `
            Generate a title and a short description for my strava activity. Use my preferred language.
            Use ${user?.preferences.data.tone} tone to generate content.
            Add emojis unless tone is set to minimalist.

            My user profile:
            Sex: ${user?.sex}
            Weight: ${user?.weight}
            Language: ${user?.preferences.data.language}

            Activity notes:
            distance is in meters, time is in seconds, don't include average speed. Convert time to hours or minutes, whatever's closer.
            The activity data in json format from strava:
            ${JSON.stringify(
              omit(activity, [
                "laps",
                "segment_efforts",
                "splits_metric",
                "splits_standard",
                "hide_from_home",
                "available_zones",
                "map",
                "start_date_local",
                "gear",
                "stats_visibility",
                "embed_token",
                "name",
                "description",
              ]),
            )}
        `,
        },
      ],
      text: {
        format: {
          type: "json_schema",
          name: "activity",
          schema: {
            type: "object",
            properties: {
              title: {
                type: "string",
              },
              description: {
                type: "string",
              },
            },
            required: ["title", "description"],
            additionalProperties: false,
          },
        },
      },
    },
  });

  if (aiError) {
    throw createError({
      statusCode: 500,
      message: `OPENAI API: ${aiError.message}`,
    });
  }

  const responseObject = JSON.parse(
    get(aiResponse, "output.0.content.0.text"),
  ) as {
    title: string;
    description: string;
  };

  const promo = "https://ghostwriter.rocks 👻";

  const [stravaError] = await strava!(`activities/${body.object_id}`, {
    method: "PUT",
    body: {
      name: responseObject.title,
      description: [responseObject.description, promo].join("\n"),
    },
  });

  if (stravaError) {
    throw createError({
      statusCode: 500,
      message: `Strava API: ${stravaError.message}`,
    });
  }
});