import { useCallback, useMemo, useState } from "react";
import Heading from "@/components/ui/heading";
import ActivityScrubber, {
  ScrubberItem,
} from "@/components/scrubber/ActivityScrubber";
import useSWR from "swr";
import { FrigateConfig } from "@/types/frigateConfig";
import { Event } from "@/types/event";
import ActivityIndicator from "@/components/ui/activity-indicator";
import { useApiHost } from "@/api";
import TimelineScrubber from "@/components/playground/TimelineScrubber";

// Color data
const colors = [
  "background",
  "foreground",
  "card",
  "card-foreground",
  "popover",
  "popover-foreground",
  "primary",
  "primary-foreground",
  "secondary",
  "secondary-foreground",
  "muted",
  "muted-foreground",
  "accent",
  "accent-foreground",
  "destructive",
  "destructive-foreground",
  "border",
  "input",
  "ring",
];

function ColorSwatch({ name, value }: { name: string; value: string }) {
  return (
    <div className="flex items-center mb-2">
      <div
        className="w-10 h-10 mr-2 border border-gray-300"
        style={{ backgroundColor: value }}
      ></div>
      <span>{name}</span>
    </div>
  );
}

function eventsToScrubberItems(events: Event[]): ScrubberItem[] {
  const apiHost = useApiHost();

  return events.map((event: Event) => ({
    id: event.id,
    content: `<div class="flex"><img class="" src="${apiHost}api/events/${event.id}/thumbnail.jpg" /><span>${event.label}</span></div>`,
    start: new Date(event.start_time * 1000),
    end: event.end_time ? new Date(event.end_time * 1000) : undefined,
    type: "box",
  }));
}

function UIPlayground() {
  const { data: config } = useSWR<FrigateConfig>("config");
  const [timeline, setTimeline] = useState<string | undefined>(undefined);

  const onSelect = useCallback(({ items }: { items: string[] }) => {
    setTimeline(items[0]);
  }, []);

  const recentTimestamp = useMemo(() => {
    const now = new Date();
    now.setMinutes(now.getMinutes() - 240);
    return now.getTime() / 1000;
  }, []);
  const { data: events } = useSWR<Event[]>([
    "events",
    { limit: 10, after: recentTimestamp },
  ]);

  return (
    <>
      <Heading as="h2">UI Playground</Heading>

      <Heading as="h4" className="my-5">
        Scrubber
      </Heading>
      <p className="text-small">
        Shows the 10 most recent events within the last 4 hours
      </p>

      {!config && <ActivityIndicator />}

      {config && (
        <div>
          {events && events.length > 0 && (
            <>
              <ActivityScrubber
                items={eventsToScrubberItems(events)}
                selectHandler={onSelect}
              />
            </>
          )}
        </div>
      )}

      {config && (
        <div>
          {timeline && (
            <>
              <TimelineScrubber eventID={timeline} />
            </>
          )}
        </div>
      )}

      <Heading as="h4" className="my-5">
        Color scheme
      </Heading>
      <p className="text-small">
        Colors as set by the current theme. See the{" "}
        <a className="underline" href="https://ui.shadcn.com/docs/theming">
          shadcn theming docs
        </a>{" "}
        for usage.
      </p>

      <div className="w-72 my-5">
        {colors.map((color, index) => (
          <ColorSwatch
            key={index}
            name={color}
            value={`hsl(var(--${color}))`}
          />
        ))}
      </div>
    </>
  );
}

export default UIPlayground;