'use client';

import { FoxBadge, type FoxBadgeColor } from '@fox/core/components/fox-badge';
import { FoxIconButton } from '@fox/core/components/fox-icon-button';
import { FoxStatusIndicator } from '@fox/core/components/fox-status-indicator';
import type { FoxListColumn } from '@fox/core/components/fox-list-container';
import type { CommonCode } from '@/lib/domain/common-code';
import { formatPhoneNumber } from '@/lib/domain/phone-number';
import {
  EMPTY_FIELD_PLACEHOLDER,
  formatAnswerStatusLabel,
  IS_BOARD_CATEGORY_ENABLED,
  formatBoardCategoryLabel,
  formatFaqTypeLabel,
  formatContentExcerpt,
  formatInquiryTypeLabel,
  formatOptionalValue,
  formatVisibilityLabel,
  type BoardPost,
  type BoardType,
} from '@/lib/domain/board-post';
import { BoardRowActions } from './board-row-actions';
import { InquiryRowActions } from '../inquiries/_components/inquiry-row-actions';

function numberColumn(page: number, pageSize: number): FoxListColumn<BoardPost> {
  return {
    key: 'no',
    header: '번호',
    width: 80,
    render: (_row, index) => (page - 1) * pageSize + index + 1,
  };
}

// 백엔드에 구분 자리가 생기면 `IS_BOARD_CATEGORY_ENABLED`가 이 열을 다시 켠다.
function categoryColumn(): FoxListColumn<BoardPost> {
  return {
    key: 'category',
    header: '구분',
    width: 120,
    render: (row) =>
      row.categoryCode ? (
        <FoxBadge type="pastel" color="neutral" size="md">
          {formatBoardCategoryLabel(row.categoryCode)}
        </FoxBadge>
      ) : (
        EMPTY_FIELD_PLACEHOLDER
      ),
  };
}

function visibilityColumn(): FoxListColumn<BoardPost> {
  return {
    key: 'isVisible',
    header: '사용여부',
    width: 120,
    render: (row) => (
      <FoxStatusIndicator
        type={row.isVisible ? 'success' : 'danger'}
        label={formatVisibilityLabel(row.isVisible)}
      />
    ),
  };
}

function actionsColumn(
  boardType: BoardType,
  faqTypes: readonly CommonCode[] = []
): FoxListColumn<BoardPost> {
  return {
    key: 'actions',
    header: '관리',
    width: 120,
    render: (row) => (
      <span onClick={(event) => event.stopPropagation()}>
        <BoardRowActions boardType={boardType} post={row} faqTypes={faqTypes} />
      </span>
    ),
  };
}

function noticeColumns(page: number, pageSize: number): FoxListColumn<BoardPost>[] {
  return [
    numberColumn(page, pageSize),
    ...(IS_BOARD_CATEGORY_ENABLED ? [categoryColumn()] : []),
    { key: 'title', header: '제목', width: 320, align: 'start', emphasis: true },
    {
      key: 'attachment',
      header: '첨부',
      width: 100,
      render: (row) =>
        row.attachmentId ? (
          <FoxIconButton
            type="default"
            size="sm"
            icon={<i className="fox-ico fox-ico-Paperclip" aria-hidden="true" />}
            label={`${row.title} 첨부파일`}
          />
        ) : null,
    },
    {
      key: 'authorName',
      header: '작성자',
      width: 160,
      render: (row) => formatOptionalValue(row.authorName),
    },
    visibilityColumn(),
    {
      key: 'createdAt',
      header: '작성일',
      width: 140,
      render: (row) => formatOptionalValue(row.createdAt),
    },
    actionsColumn('notice'),
  ];
}

function faqColumns(
  page: number,
  pageSize: number,
  faqTypes: readonly CommonCode[]
): FoxListColumn<BoardPost>[] {
  const typeOptions = faqTypes.map((code) => ({
    value: code.code,
    label: code.label,
  }));

  return [
    numberColumn(page, pageSize),
    ...(IS_BOARD_CATEGORY_ENABLED ? [categoryColumn()] : []),
    {
      key: 'type',
      header: '유형',
      width: 120,
      // 서버가 조인해 준 이름을 그대로 쓴다. 코드표 조회는 이름이 안 온 행의 보루다.
      render: (row) => row.typeName ?? formatFaqTypeLabel(row.typeCode, typeOptions),
    },
    { key: 'title', header: '제목', width: 320, align: 'start', emphasis: true },
    {
      key: 'authorName',
      header: '작성자',
      width: 160,
      render: (row) => formatOptionalValue(row.authorName),
    },
    {
      key: 'createdAt',
      header: '등록일',
      width: 140,
      render: (row) => formatOptionalValue(row.createdAt),
    },
    visibilityColumn(),
    actionsColumn('faq', faqTypes),
  ];
}

// TODO: BBS_ANS_CD의 실제 코드값이 확인되면 코드값 기준 표로 바꾼다(관리자 권한 배지와 같은 방식).
// 이슈: 코드값을 모르고 코드명도 코드관리 화면에서 바뀔 수 있어 코드명으로 색을 고른다.
// 앞에서부터 먼저 걸리는 것을 쓴다 — 「미처리」가 「처리」보다 앞에 있어야 한다.
const ANSWER_STATUS_BADGE_COLORS: readonly (readonly [string, FoxBadgeColor])[] = [
  ['미답변', 'warning'],
  ['미처리', 'warning'],
  ['완료', 'success'],
  ['반려', 'danger'],
  ['보류', 'danger'],
  ['취소', 'danger'],
  ['처리', 'information'],
  ['진행', 'information'],
  ['접수', 'information'],
  ['대기', 'warning'],
];

function answerStatusBadgeColor(label: string): FoxBadgeColor {
  const matched = ANSWER_STATUS_BADGE_COLORS.find(([keyword]) =>
    label.includes(keyword)
  );
  return matched?.[1] ?? 'neutral';
}

function inquiryColumns(
  page: number,
  pageSize: number,
  answerStatuses: readonly CommonCode[]
): FoxListColumn<BoardPost>[] {
  const statusOptions = answerStatuses.map((code) => ({
    value: code.code,
    label: code.label,
  }));

  return [
    numberColumn(page, pageSize),
    {
      key: 'type',
      header: '질문유형',
      width: 120,
      // 서버 조인 이름 우선 — 코드표(잠정값)는 이름이 안 온 행의 보루다.
      render: (row) => row.typeName ?? formatInquiryTypeLabel(row.typeCode),
    },
    // 1:1문의는 제목이 없다(내용만 온다) — 내용 발췌가 이 줄의 대표 칸이다.
    {
      key: 'content',
      header: '질문내용',
      align: 'start',
      width: 280,
      emphasis: true,
      render: (row) => formatContentExcerpt(row.content),
    },
    {
      key: 'authorName',
      header: '질문자명',
      width: 140,
      render: (row) => formatOptionalValue(row.authorName),
    },
    {
      key: 'authorPhoneNumber',
      header: '전화번호',
      width: 160,
      render: (row) => formatOptionalValue(formatPhoneNumber(row.authorPhoneNumber)),
    },
    {
      key: 'createdAt',
      header: '질문일',
      width: 140,
      render: (row) => formatOptionalValue(row.createdAt),
    },
    {
      key: 'answerStatus',
      header: '상태',
      width: 120,
      render: (row) => {
        if (!row.answerStatusCode) {
          return EMPTY_FIELD_PLACEHOLDER;
        }
        const label = formatAnswerStatusLabel(row.answerStatusCode, statusOptions);
        return (
          <FoxBadge type="pastel" color={answerStatusBadgeColor(label)} size="md">
            {label}
          </FoxBadge>
        );
      },
    },
    {
      key: 'answeredAt',
      header: '답변일',
      width: 140,
      render: (row) => formatOptionalValue(row.answeredAt),
    },
    {
      key: 'actions',
      header: '관리',
      width: 160,
      render: (row) => (
        <InquiryRowActions post={row} answerStatuses={answerStatuses} />
      ),
    },
  ];
}

export function boardPostColumns(
  boardType: BoardType,
  page: number,
  pageSize: number,
  answerStatuses: readonly CommonCode[] = [],
  faqTypes: readonly CommonCode[] = []
): FoxListColumn<BoardPost>[] {
  if (boardType === 'notice') return noticeColumns(page, pageSize);
  if (boardType === 'faq') return faqColumns(page, pageSize, faqTypes);
  return inquiryColumns(page, pageSize, answerStatuses);
}