import type { DateRangePickerValue } from "@tremor/react";
import { Button, Text } from "@tremor/react";
import { Select } from "antd";
import React, { useState } from "react";
import EntityUsageExportModal from "./EntityUsageExportModal";
import type { EntitySpendData, EntityType } from "./types";
import type { Team } from "@/components/key_team_helpers/key_list";

interface UsageExportHeaderProps {
  dateValue: DateRangePickerValue;
  entityType: EntityType;
  spendData: EntitySpendData;
  // Optional filter props
  showFilters?: boolean;
  filterLabel?: string;
  filterPlaceholder?: string;
  selectedFilters?: string[];
  onFiltersChange?: (filters: string[]) => void;
  filterOptions?: Array<{ label: string; value: string }>;
  filterMode?: "multiple" | "single";
  customTitle?: string;
  compactLayout?: boolean;
  teams?: Team[];
}

const UsageExportHeader: React.FC<UsageExportHeaderProps> = ({
  dateValue,
  entityType,
  spendData,
  showFilters = false,
  filterLabel,
  filterPlaceholder,
  selectedFilters = [],
  onFiltersChange,
  filterOptions = [],
  filterMode = "multiple",
  customTitle,
  compactLayout = false,
  teams = [],
}) => {
  const [isExportModalOpen, setIsExportModalOpen] = useState(false);

  // Determine grid layout based on what's visible
  const getGridCols = () => {
    const hasFilters = showFilters && filterOptions.length > 0;

    if (hasFilters) return "grid-cols-[1fr_auto]";
    return "grid-cols-[auto]";
  };

  return (
    <>
      <div className="mb-4">
        {/**
         * Use CSS grid with items-end so all cells (filter, button)
         * align to the same baseline regardless of label heights. This removes
         * vertical drift when the right column has a label above the input.
         */}
        <div className={`grid ${getGridCols()} items-end gap-4`}>
          {showFilters && filterOptions.length > 0 && (
            <div>
              {filterLabel && <Text className="mb-2">{filterLabel}</Text>}
              <Select
                mode={filterMode === "single" ? undefined : "multiple"}
                style={{ width: "100%" }}
                placeholder={filterPlaceholder}
                value={filterMode === "single" ? selectedFilters[0] ?? undefined : selectedFilters}
                onChange={(value: any) => {
                  if (filterMode === "single") {
                    onFiltersChange?.(value ? [value] : []);
                  } else {
                    onFiltersChange?.(value);
                  }
                }}
                options={filterOptions}
                allowClear
              />
            </div>
          )}

          <div className="justify-self-end">
            <Button
              onClick={() => setIsExportModalOpen(true)}
              icon={() => (
                <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                  <path
                    strokeLinecap="round"
                    strokeLinejoin="round"
                    strokeWidth={2}
                    d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1m-4-4l-4 4m0 0l-4-4m4 4V4"
                  />
                </svg>
              )}
            >
              Export Data
            </Button>
          </div>
        </div>
      </div>

      <EntityUsageExportModal
        isOpen={isExportModalOpen}
        onClose={() => setIsExportModalOpen(false)}
        entityType={entityType}
        spendData={spendData}
        dateRange={dateValue}
        selectedFilters={selectedFilters}
        customTitle={customTitle}
        teams={teams}
      />
    </>
  );
};

export default UsageExportHeader;
