import { baseUrl } from "@/api/baseUrl";
import ActivityIndicator from "@/components/indicators/activity-indicator";
import { Button } from "@/components/ui/button";
import {
  Dialog,
  DialogContent,
  DialogDescription,
  DialogFooter,
  DialogHeader,
  DialogTitle,
} from "@/components/ui/dialog";
import { Event } from "@/types/event";
import { FrigateConfig } from "@/types/frigateConfig";
import axios from "axios";
import { useCallback, useMemo, useState } from "react";
import { TransformWrapper, TransformComponent } from "react-zoom-pan-pinch";
import useSWR from "swr";

type SubmissionState = "reviewing" | "uploading" | "submitted";

type FrigatePlusDialogProps = {
  upload?: Event;
  dialog?: boolean;
  onClose: () => void;
  onEventUploaded: () => void;
};
export function FrigatePlusDialog({
  upload,
  dialog = true,
  onClose,
  onEventUploaded,
}: FrigatePlusDialogProps) {
  const { data: config } = useSWR<FrigateConfig>("config");

  // layout

  const grow = useMemo(() => {
    if (!config || !upload) {
      return "";
    }

    const camera = config.cameras[upload.camera];

    if (!camera) {
      return "";
    }

    if (camera.detect.width / camera.detect.height < 16 / 9) {
      return "aspect-video object-contain";
    }

    return "";
  }, [config, upload]);

  // upload

  const [state, setState] = useState<SubmissionState>(
    upload?.plus_id ? "submitted" : "reviewing",
  );

  const onSubmitToPlus = useCallback(
    async (falsePositive: boolean) => {
      if (!upload) {
        return;
      }

      falsePositive
        ? axios.put(`events/${upload.id}/false_positive`)
        : axios.post(`events/${upload.id}/plus`, {
            include_annotation: 1,
          });

      setState("submitted");
      onEventUploaded();
      onClose();
    },
    [upload, onClose, onEventUploaded],
  );

  const content = (
    <TransformWrapper minScale={1.0} wheel={{ smoothStep: 0.005 }}>
      <DialogHeader className={state == "submitted" ? "sr-only" : ""}>
        <DialogTitle>Submit To Frigate+</DialogTitle>
        <DialogDescription>
          Objects in locations you want to avoid are not false positives.
          Submitting them as false positives will confuse the model.
        </DialogDescription>
      </DialogHeader>
      <TransformComponent
        wrapperStyle={{
          width: "100%",
          height: "100%",
        }}
        contentStyle={{
          position: "relative",
          width: "100%",
          height: "100%",
        }}
      >
        {upload?.id && (
          <img
            className={`w-full ${grow} bg-black`}
            src={`${baseUrl}api/events/${upload?.id}/snapshot.jpg`}
            alt={`${upload?.label}`}
          />
        )}
      </TransformComponent>

      <DialogFooter>
        {state == "reviewing" && (
          <>
            {dialog && <Button onClick={onClose}>Cancel</Button>}
            <Button
              className="bg-success"
              onClick={() => {
                setState("uploading");
                onSubmitToPlus(false);
              }}
            >
              This is a {upload?.label}
            </Button>
            <Button
              className="text-white"
              variant="destructive"
              onClick={() => {
                setState("uploading");
                onSubmitToPlus(true);
              }}
            >
              This is not a {upload?.label}
            </Button>
          </>
        )}
        {state == "uploading" && <ActivityIndicator />}
      </DialogFooter>
    </TransformWrapper>
  );

  if (dialog) {
    return (
      <Dialog
        open={upload != undefined}
        onOpenChange={(open) => (!open ? onClose() : null)}
      >
        <DialogContent className="md:max-w-3xl lg:max-w-4xl xl:max-w-7xl">
          {content}
        </DialogContent>
      </Dialog>
    );
  }

  return content;
}