import { MenuItem, Select, SelectChangeEvent } from "@mui/material";
import { DeviceRelay } from "../api/DeviceApi";
import { RelayApi, RelayStatus, SetRelayForcedState } from "../api/RelayApi";
import { TimeWidget } from "./TimeWidget";
import { useLoadingMessage } from "../hooks/context_providers/LoadingMessageProvider";
import { useAlert } from "../hooks/context_providers/AlertDialogProvider";
import { useSnackbar } from "../hooks/context_providers/SnackbarProvider";
import React from "react";
import { SelectForcedStateDurationDialog } from "../dialogs/SelectForcedStateDurationDialog";

export function RelayForcedState(p: {
  relay: DeviceRelay;
  state: RelayStatus;
  onUpdated: () => void;
}): React.ReactElement {
  const loadingMessage = useLoadingMessage();
  const alert = useAlert();
  const snackbar = useSnackbar();

  const [futureStateType, setFutureStateType] = React.useState<
    string | undefined
  >();

  const handleChange = (event: SelectChangeEvent) => {
    if (event.target.value == "None") {
      submitChange({ type: "None" });
    } else {
      setFutureStateType(event.target.value);
    }
  };

  const submitChange = async (state: SetRelayForcedState) => {
    try {
      loadingMessage.show("Setting forced state...");
      await RelayApi.SetForcedState(p.relay, state);
      p.onUpdated();
      snackbar("Forced state successfully updated!");
    } catch (e) {
      console.error(`Failed to set relay forced state! ${e}`);
      alert(`Failed to set loading state for relay! ${e}`);
    } finally {
      loadingMessage.hide();
    }
  };

  return (
    <>
      <Select
        value={p.state.forced_state.type}
        onChange={handleChange}
        size="small"
        variant="standard"
      >
        <MenuItem value={"None"}>None</MenuItem>
        <MenuItem value={"Off"}>Off</MenuItem>
        <MenuItem value={"On"}>On</MenuItem>
      </Select>
      {p.state.forced_state.type !== "None" && (
        <>
          <TimeWidget future time={p.state.forced_state.until} /> left
        </>
      )}

      {futureStateType !== undefined && (
        <SelectForcedStateDurationDialog
          {...p}
          forcedState={futureStateType}
          onCancel={() => setFutureStateType(undefined)}
          onSubmit={(d) =>
            submitChange({
              type: futureStateType as any,
              for_secs: d,
            })
          }
        />
      )}
    </>
  );
}