import { renderWakatimeCard } from "../src/cards/wakatime-card.js";
import {
  clampValue,
  CONSTANTS,
  parseArray,
  parseBoolean,
  renderError,
} from "../src/common/utils.js";
import { fetchWakatimeStats } from "../src/fetchers/wakatime-fetcher.js";
import { isLocaleAvailable } from "../src/translations.js";

export default async (req, res) => {
  const {
    username,
    title_color,
    icon_color,
    hide_border,
    line_height,
    text_color,
    bg_color,
    theme,
    cache_seconds,
    hide_title,
    hide_progress,
    custom_title,
    locale,
    layout,
    langs_count,
    hide,
    api_domain,
    border_radius,
    border_color,
  } = req.query;

  res.setHeader("Content-Type", "image/svg+xml");

  if (locale && !isLocaleAvailable(locale)) {
    return res.send(renderError("Something went wrong", "Language not found"));
  }

  try {
    const stats = await fetchWakatimeStats({ username, api_domain });

    let cacheSeconds = clampValue(
      parseInt(cache_seconds || CONSTANTS.FOUR_HOURS, 10),
      CONSTANTS.FOUR_HOURS,
      CONSTANTS.ONE_DAY,
    );
    cacheSeconds = process.env.CACHE_SECONDS
      ? parseInt(process.env.CACHE_SECONDS, 10) || cacheSeconds
      : cacheSeconds;

    if (!cache_seconds) {
      cacheSeconds = CONSTANTS.FOUR_HOURS;
    }

    res.setHeader(
      "Cache-Control",
      `max-age=${
        cacheSeconds / 2
      }, s-maxage=${cacheSeconds}, stale-while-revalidate=${CONSTANTS.ONE_DAY}`,
    );

    return res.send(
      renderWakatimeCard(stats, {
        custom_title,
        hide_title: parseBoolean(hide_title),
        hide_border: parseBoolean(hide_border),
        hide: parseArray(hide),
        line_height,
        title_color,
        icon_color,
        text_color,
        bg_color,
        theme,
        hide_progress,
        border_radius,
        border_color,
        locale: locale ? locale.toLowerCase() : null,
        layout,
        langs_count,
      }),
    );
  } catch (err) {
    res.setHeader("Cache-Control", `no-cache, no-store, must-revalidate`); // Don't cache error responses.
    return res.send(renderError(err.message, err.secondaryMessage));
  }
};