import { FC, useEffect, useState } from "react";
import { observer } from "mobx-react";
import { ChevronLeft } from "lucide-react";
import { TEstimateUpdateStageKeys } from "@plane/types";
import { Button } from "@plane/ui";
// components
import { EModalPosition, EModalWidth, ModalCore } from "@/components/core";
import { EstimateUpdateStageOne, EstimatePointEditRoot, EstimatePointSwitchRoot } from "@/components/estimates";
// constants
import { EEstimateUpdateStages } from "@/constants/estimates";

type TUpdateEstimateModal = {
  workspaceSlug: string;
  projectId: string;
  estimateId: string | undefined;
  isOpen: boolean;
  handleClose: () => void;
};

export const UpdateEstimateModal: FC<TUpdateEstimateModal> = observer((props) => {
  // props
  const { workspaceSlug, projectId, estimateId, isOpen, handleClose } = props;
  // states
  const [estimateEditType, setEstimateEditType] = useState<TEstimateUpdateStageKeys | undefined>(undefined);

  useEffect(() => {
    if (!isOpen) setEstimateEditType(undefined);
  }, [isOpen]);

  const handleEstimateEditType = (type: TEstimateUpdateStageKeys) => setEstimateEditType(type);

  const handleSwitchEstimate = () => {};

  return (
    <ModalCore isOpen={isOpen} handleClose={handleClose} position={EModalPosition.TOP} width={EModalWidth.XXL}>
      <div className="relative space-y-6 py-5">
        {/* heading */}
        <div className="relative flex justify-between items-center gap-2 px-5">
          <div className="relative flex items-center gap-1">
            {estimateEditType && (
              <div
                onClick={() => setEstimateEditType(undefined)}
                className="flex-shrink-0 cursor-pointer w-5 h-5 flex justify-center items-center"
              >
                <ChevronLeft className="w-4 h-4" />
              </div>
            )}
            <div className="text-xl font-medium text-custom-text-200">Edit estimate system</div>
          </div>

          {estimateEditType === EEstimateUpdateStages.EDIT && (
            <Button variant="primary" size="sm" onClick={handleClose}>
              Done
            </Button>
          )}
        </div>

        <div className="px-5">
          {!estimateEditType && <EstimateUpdateStageOne handleEstimateEditType={handleEstimateEditType} />}
          {estimateEditType && estimateId && (
            <>
              {estimateEditType === EEstimateUpdateStages.EDIT && (
                <EstimatePointEditRoot workspaceSlug={workspaceSlug} projectId={projectId} estimateId={estimateId} />
              )}
              {estimateEditType === EEstimateUpdateStages.SWITCH && (
                <EstimatePointSwitchRoot workspaceSlug={workspaceSlug} projectId={projectId} estimateId={estimateId} />
              )}
            </>
          )}
        </div>

        {[EEstimateUpdateStages.SWITCH, undefined].includes(estimateEditType) && (
          <div className="relative flex justify-end items-center gap-3 px-5 pt-5 border-t border-custom-border-100">
            <Button variant="neutral-primary" size="sm" onClick={handleClose}>
              Cancel
            </Button>
            {estimateEditType === EEstimateUpdateStages.SWITCH && (
              <Button variant="primary" size="sm" onClick={handleSwitchEstimate}>
                Update
              </Button>
            )}
          </div>
        )}
      </div>
    </ModalCore>
  );
});