import { notification } from "antd";
import { format } from "date-fns";
import * as google_protobuf_timestamp_pb from "google-protobuf/google/protobuf/timestamp_pb";
import { MacVersion, RegParamsRevision } from "@chirpstack/chirpstack-api-grpc-web/common/common_pb";
import { useRef, useEffect } from "react";

export function formatMacVersion(m: MacVersion) {
  switch (m) {
    case MacVersion.LORAWAN_1_0_0:
      return "LoRaWAN 1.0.0";
    case MacVersion.LORAWAN_1_0_1:
      return "LoRaWAN 1.0.1";
    case MacVersion.LORAWAN_1_0_2:
      return "LoRaWAN 1.0.2";
    case MacVersion.LORAWAN_1_0_3:
      return "LoRaWAN 1.0.3";
    case MacVersion.LORAWAN_1_0_4:
      return "LoRaWAN 1.0.4";
    case MacVersion.LORAWAN_1_1_0:
      return "LoRaWAN 1.1.0";
  }

  return "";
}

export function formatRegParamsRevision(r: RegParamsRevision) {
  switch (r) {
    case RegParamsRevision.A:
      return "A";
    case RegParamsRevision.B:
      return "B";
    case RegParamsRevision.RP002_1_0_0:
      return "RP002-1.0.0";
    case RegParamsRevision.RP002_1_0_1:
      return "RP002-1.0.1";
    case RegParamsRevision.RP002_1_0_2:
      return "RP002-1.0.2";
    case RegParamsRevision.RP002_1_0_3:
      return "RP002-1.0.3";
    case RegParamsRevision.RP002_1_0_4:
      return "RP002-1.0.4";
  }

  return "";
}

export function getEnumName(enums: { [key: number]: string }, index: number) {
  for (const [k, v] of Object.entries(enums)) {
    // This is weird. 'typeof v' returns 'number', but 'v === 0' errors
    // that v (string) can't be compared to number.
    const vUnknown = v as unknown;
    const vNumber = vUnknown as number;
    if (vNumber === index) {
      return k;
    }
  }
  return "";
}

export function onFinishFailed() {
  notification.error({
    message: "Validation errors",
    description: "Please inspect input fields for errors",
    duration: 3,
  });
}

/**
 * Sets the Document Title in Reverse Order
 * @example
 * ```
 * useTitle("Tenants", "Tenant", "Edit"); // Edit | Tenant | Tenants | ChirpStack LoRaWAN® Network-Server
 * ```
 */
export function useTitle(...v: unknown[]) {
  const documentDefined = typeof document !== "undefined";

  useEffect(() => {
    if (!documentDefined) return;

    const title = ["ChirpStack LoRaWAN® Network-Server", ...v].reverse().join(" | ");

    if (document.title !== title) {
      document.title = title;
    }

    return () => {
      document.title = "ChirpStack LoRaWAN® Network-Server";
    };
  }, [documentDefined, v]);
}

export function format_dt(dt?: google_protobuf_timestamp_pb.Timestamp): string {
  if (dt) {
    const ts = new Date(0);
    ts.setUTCSeconds(dt.getSeconds());
    return format(ts, "yyyy-MM-dd HH:mm:ss");
  } else {
    return "";
  }
}

export function format_dt_from_secs(secs?: number): string {
  if (secs) {
    const ts = new Date(0);
    ts.setUTCSeconds(secs);
    return format(ts, "yyyy-MM-dd HH:mm:ss");
  } else {
    return "";
  }
}