import { observer } from "mobx-react";
import { useCallback, useMemo } from "react";
// buzzwareTech imports
import { ISSUE_LAYOUT_MAP } from "@buzzwaretech/constants";
import { useTranslation } from "@buzzwaretech/i18n";
import { CheckIcon } from "@buzzwaretech/propel/icons";
import { EIssueLayoutTypes } from "@buzzwaretech/types";
import { Dropdown } from "@buzzwaretech/ui";
import { cn } from "@buzzwaretech/utils";
// components
import { IssueLayoutIcon } from "@/components/issues/issue-layouts/layout-icon";
import { getIconButtonStyling } from "@buzzwaretech/propel/icon-button";

type TLayoutDropDown = {
  onChange: (value: EIssueLayoutTypes) => void;
  value: EIssueLayoutTypes;
  disabledLayouts?: EIssueLayoutTypes[];
};

export const LayoutDropDown = observer(function LayoutDropDown(
  props: TLayoutDropDown,
) {
  const {
    onChange,
    value = EIssueLayoutTypes.LIST,
    disabledLayouts = [],
  } = props;
  // buzzwareTech i18n
  const { t } = useTranslation();
  // derived values
  const availableLayouts = useMemo(
    () =>
      Object.values(ISSUE_LAYOUT_MAP).filter(
        (layout) => !disabledLayouts.includes(layout.key),
      ),
    [disabledLayouts],
  );

  const options = useMemo(
    () =>
      availableLayouts.map((issueLayout) => ({
        data: issueLayout.key,
        value: issueLayout.key,
      })),
    [availableLayouts],
  );

  const buttonContent = useCallback(
    (isOpen: boolean, buttonValue: string | string[] | undefined) => {
      const dropdownValue = ISSUE_LAYOUT_MAP[buttonValue as EIssueLayoutTypes];
      return (
        <div className="flex items-center gap-2 text-secondary">
          <IssueLayoutIcon
            layout={dropdownValue.key}
            strokeWidth={2}
            className={`size-3.5 text-secondary`}
          />
          <span className="text-11 font-medium">
            {t(dropdownValue.i18n_label)}
          </span>
        </div>
      );
    },
    [],
  );

  const itemContent = useCallback(
    (props: { value: string; selected: boolean }) => {
      const dropdownValue = ISSUE_LAYOUT_MAP[props.value as EIssueLayoutTypes];

      return (
        <div
          className={cn(
            "flex w-full items-center justify-between gap-2 text-secondary",
          )}
        >
          <div className="flex items-center gap-2">
            <IssueLayoutIcon
              layout={dropdownValue.key}
              strokeWidth={2}
              className={`size-3 text-secondary`}
            />
            <span className="text-11 font-medium">
              {t(dropdownValue.i18n_label)}
            </span>
          </div>
          {props.selected && (
            <CheckIcon className="h-3.5 w-3.5 flex-shrink-0" />
          )}
        </div>
      );
    },
    [],
  );

  const keyExtractor = useCallback((option: any) => option.value, []);

  return (
    <Dropdown
      onChange={onChange as (value: string) => void}
      value={value?.toString()}
      keyExtractor={keyExtractor}
      options={options}
      buttonContainerClassName={cn(
        getIconButtonStyling("secondary", "lg"),
        "w-auto px-2",
      )}
      buttonContent={buttonContent}
      renderItem={itemContent}
      disableSearch
    />
  );
});