"use client";

import React, { useState, useEffect } from "react";
import { Button } from "@/components/ui/button";
import { Settings, Filter, Layers } from "lucide-react";
import { useTableOptions } from "@/contexts/TableOptionsContext";
import { ColumnVisibilityPanel } from "@/components/screen/table-options/ColumnVisibilityPanel";
import { FilterPanel } from "@/components/screen/table-options/FilterPanel";
import { GroupingPanel } from "@/components/screen/table-options/GroupingPanel";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";

interface TableSearchWidgetProps {
  component: {
    id: string;
    title?: string;
    style?: {
      width?: string;
      height?: string;
      padding?: string;
      backgroundColor?: string;
    };
    componentConfig?: {
      autoSelectFirstTable?: boolean; // 첫 번째 테이블 자동 선택 여부
      showTableSelector?: boolean; // 테이블 선택 드롭다운 표시 여부
    };
  };
}

export function TableSearchWidget({ component }: TableSearchWidgetProps) {
  const { registeredTables, selectedTableId, setSelectedTableId } = useTableOptions();
  const [columnVisibilityOpen, setColumnVisibilityOpen] = useState(false);
  const [filterOpen, setFilterOpen] = useState(false);
  const [groupingOpen, setGroupingOpen] = useState(false);

  const autoSelectFirstTable = component.componentConfig?.autoSelectFirstTable ?? true;
  const showTableSelector = component.componentConfig?.showTableSelector ?? true;

  // Map을 배열로 변환
  const tableList = Array.from(registeredTables.values());

  // 첫 번째 테이블 자동 선택
  useEffect(() => {
    const tables = Array.from(registeredTables.values());
    if (autoSelectFirstTable && tables.length > 0 && !selectedTableId) {
      setSelectedTableId(tables[0].tableId);
    }
  }, [registeredTables, selectedTableId, autoSelectFirstTable, setSelectedTableId]);

  const hasMultipleTables = tableList.length > 1;

  return (
    <div
      className="flex h-full w-full items-center justify-between gap-2 border-b bg-card"
      style={{
        padding: component.style?.padding || "0.75rem",
        backgroundColor: component.style?.backgroundColor,
      }}
    >
      {/* 왼쪽: 제목 + 테이블 정보 */}
      <div className="flex items-center gap-3">
        {/* 제목 */}
        {component.title && (
          <div className="text-sm font-medium text-foreground">
            {component.title}
          </div>
        )}

        {/* 테이블 선택 드롭다운 (여러 테이블이 있고, showTableSelector가 true일 때만) */}
        {showTableSelector && hasMultipleTables && (
          <Select value={selectedTableId || ""} onValueChange={setSelectedTableId}>
            <SelectTrigger className="h-8 w-[200px] text-xs sm:h-9 sm:text-sm">
              <SelectValue placeholder="테이블 선택" />
            </SelectTrigger>
            <SelectContent>
              {tableList.map((table) => (
                <SelectItem key={table.tableId} value={table.tableId} className="text-xs sm:text-sm">
                  {table.label}
                </SelectItem>
              ))}
            </SelectContent>
          </Select>
        )}

        {/* 테이블이 하나만 있을 때는 라벨만 표시 */}
        {!hasMultipleTables && tableList.length === 1 && (
          <div className="text-xs text-muted-foreground sm:text-sm">
            {tableList[0].label}
          </div>
        )}

        {/* 테이블이 없을 때 */}
        {tableList.length === 0 && (
          <div className="text-xs text-muted-foreground sm:text-sm">
            화면에 테이블 컴포넌트를 추가하면 자동으로 감지됩니다
          </div>
        )}
      </div>

      {/* 오른쪽: 버튼들 */}
      <div className="flex items-center gap-2 flex-shrink-0">
        <Button
          variant="outline"
          size="sm"
          onClick={() => setColumnVisibilityOpen(true)}
          disabled={!selectedTableId}
          className="h-8 text-xs sm:h-9 sm:text-sm"
        >
          <Settings className="mr-1 h-3 w-3 sm:h-4 sm:w-4" />
          테이블 옵션
        </Button>

        <Button
          variant="outline"
          size="sm"
          onClick={() => setFilterOpen(true)}
          disabled={!selectedTableId}
          className="h-8 text-xs sm:h-9 sm:text-sm"
        >
          <Filter className="mr-1 h-3 w-3 sm:h-4 sm:w-4" />
          필터 설정
        </Button>

        <Button
          variant="outline"
          size="sm"
          onClick={() => setGroupingOpen(true)}
          disabled={!selectedTableId}
          className="h-8 text-xs sm:h-9 sm:text-sm"
        >
          <Layers className="mr-1 h-3 w-3 sm:h-4 sm:w-4" />
          그룹 설정
        </Button>
      </div>

      {/* 패널들 */}
      <ColumnVisibilityPanel
        isOpen={columnVisibilityOpen}
        onClose={() => setColumnVisibilityOpen(false)}
      />
      <FilterPanel isOpen={filterOpen} onClose={() => setFilterOpen(false)} />
      <GroupingPanel isOpen={groupingOpen} onClose={() => setGroupingOpen(false)} />
    </div>
  );
}