"use client";

/**
 * TextLayoutTabs.tsx — 텍스트 컴포넌트 설정
 *
 * [역할]
 * - 텍스트 내용 입력 + 데이터 바인딩(queryId/fieldName) 설정
 * - ComponentSettingsModal 내에 직접 임베드되어 사용
 *
 * [사용처]
 * - TextProperties.tsx (section="data"일 때)
 */

import React, { useCallback, useMemo } from "react";
import { Textarea } from "@/components/ui/textarea";
import { Input } from "@/components/ui/input";
import {
  Select,
  SelectContent,
  SelectItem,
  SelectTrigger,
  SelectValue,
} from "@/components/ui/select";
import { Type, Database, Link2 } from "lucide-react";
import { useReportDesigner } from "@/contexts/ReportDesignerContext";
import { Section, TabContent, Field, FieldGroup, InfoBox } from "./shared";
import type { ComponentConfig } from "@/types/report";

interface TextLayoutTabsProps {
  component: ComponentConfig;
}

export function TextLayoutTabs({ component }: TextLayoutTabsProps) {
  const { updateComponent, queries, getQueryResult } = useReportDesigner();

  const update = useCallback(
    (updates: Partial<ComponentConfig>) => updateComponent(component.id, updates),
    [component.id, updateComponent],
  );

  const selectedQueryFields = useMemo(() => {
    if (!component.queryId) return [];
    const result = getQueryResult(component.queryId);
    if (result?.fields) return result.fields;
    return [];
  }, [component.queryId, getQueryResult]);

  const hasBinding = !!(component.queryId && component.fieldName);

  return (
    <TabContent>
      {/* 데이터 바인딩 섹션 */}
      <Section
        emphasis
        icon={<Database className="h-3.5 w-3.5" />}
        title="데이터 바인딩"
      >
        <FieldGroup>
          <Field label="데이터 소스 (쿼리)">
            <Select
              value={component.queryId || "none"}
              onValueChange={(value) =>
                update({
                  queryId: value === "none" ? undefined : value,
                  fieldName: value === "none" ? undefined : component.fieldName,
                })
              }
            >
              <SelectTrigger className="h-9 text-sm">
                <SelectValue placeholder="쿼리 선택" />
              </SelectTrigger>
              <SelectContent>
                <SelectItem value="none">직접 입력 (바인딩 없음)</SelectItem>
                {queries.map((q) => (
                  <SelectItem key={q.id} value={q.id}>
                    {q.name} ({q.type})
                  </SelectItem>
                ))}
              </SelectContent>
            </Select>
          </Field>

          {component.queryId && (
            <Field label="바인딩 필드">
              {selectedQueryFields.length > 0 ? (
                <Select
                  value={component.fieldName || "none"}
                  onValueChange={(value) =>
                    update({ fieldName: value === "none" ? undefined : value })
                  }
                >
                  <SelectTrigger className="h-9 text-sm">
                    <SelectValue placeholder="필드 선택" />
                  </SelectTrigger>
                  <SelectContent>
                    <SelectItem value="none">선택 안함</SelectItem>
                    {selectedQueryFields.map((field) => (
                      <SelectItem key={field} value={field}>
                        {field}
                      </SelectItem>
                    ))}
                  </SelectContent>
                </Select>
              ) : (
                <Input
                  value={component.fieldName || ""}
                  onChange={(e) => update({ fieldName: e.target.value || undefined })}
                  placeholder="필드명 직접 입력 (예: doc_number)"
                  className="h-9 text-sm"
                />
              )}
            </Field>
          )}

          {!component.queryId && component.fieldName && (
            <Field label="바인딩 필드 (쿼리 미연결)">
              <div className="flex items-center gap-2">
                <Link2 className="h-3.5 w-3.5 shrink-0 text-amber-500" />
                <Input
                  value={component.fieldName || ""}
                  onChange={(e) => update({ fieldName: e.target.value || undefined })}
                  placeholder="필드명"
                  className="h-9 text-sm"
                />
              </div>
              <p className="mt-1 text-[11px] text-amber-600">
                쿼리를 연결하면 실제 데이터가 표시됩니다.
              </p>
            </Field>
          )}
        </FieldGroup>

        {hasBinding && (
          <InfoBox variant="blue">
            쿼리 실행 시 <code className="rounded bg-blue-100 px-1 text-xs font-mono">{`{${component.fieldName}}`}</code> 값이 표시됩니다.
          </InfoBox>
        )}
      </Section>

      {/* 기본값 / 정적 텍스트 */}
      <Section icon={<Type className="h-3.5 w-3.5" />} title={hasBinding ? "기본값 (데이터 없을 때)" : "텍스트 내용"}>
        <FieldGroup>
          <Field label={hasBinding ? "기본 표시 텍스트" : "표시 텍스트"}>
            <Textarea
              value={component.defaultValue || ""}
              onChange={(e) => update({ defaultValue: e.target.value })}
              placeholder={
                hasBinding
                  ? "데이터가 없을 때 표시할 텍스트"
                  : "텍스트 내용을 입력하세요 (엔터로 줄바꿈 가능)"
              }
              className="min-h-[72px] resize-y text-sm"
            />
          </Field>
        </FieldGroup>
      </Section>

      <InfoBox variant="gray">
        폰트, 색상, 정렬 등 스타일 설정은 우측 패널에서 변경할 수 있습니다.
      </InfoBox>
    </TabContent>
  );
}