/**
 * 报价模板 API（主账 /inquiry/quoteTemplate）。
 * 列表/上传/映射/启停/样例预览；禁止浏览器直连对象存储填表以外的 TMS/LLM。
 */
import { defHttp } from '/@/utils/http/axios';
import { useGlobSetting } from '/@/hooks/setting';
import { getToken } from '/@/utils/auth';

enum Api {
  list = '/inquiry/quoteTemplate/list',
  upload = '/inquiry/quoteTemplate/upload',
  version = '/inquiry/quoteTemplate/version',
  versions = '/inquiry/quoteTemplate/versions',
  mapping = '/inquiry/quoteTemplate/mapping',
  enable = '/inquiry/quoteTemplate/enable',
  disable = '/inquiry/quoteTemplate/disable',
  setDefault = '/inquiry/quoteTemplate/setDefault',
  editMeta = '/inquiry/quoteTemplate/editMeta',
  delete = '/inquiry/quoteTemplate/delete',
  previewSample = '/inquiry/quoteTemplate/previewSample',
  previewSheet = '/inquiry/quoteTemplate/previewSheet',
  previewSnapshot = '/inquiry/quoteTemplate/previewSnapshot',
  download = '/inquiry/quoteTemplate/download',
  reparse = '/inquiry/quoteTemplate/reparse',
}

export const getTemplateList = (params) => defHttp.get({ url: Api.list, params });

/**
 * 上传模板文件（新建或追加版本）。
 * 禁止手写 Content-Type: multipart/form-data：缺 boundary 会被 Tomcat 直接拒收。
 * FormData 交给浏览器自动带 boundary；解析可能超过默认 10 秒，单独放宽超时。
 */
export const uploadTemplate = (data: FormData) =>
  defHttp.post(
    {
      url: Api.upload,
      data,
      timeout: 120 * 1000,
    },
    { errorMessageMode: 'message' },
  );

export const getTemplateVersion = (versionId: string) =>
  defHttp.get({ url: Api.version, params: { versionId } });

/** 上传原表 Excel 样式快照（格子原文 + 黄区/映射；旧接口保留） */
export const getTemplateSheetPreview = (versionId: string) =>
  defHttp.get({ url: Api.previewSheet, params: { versionId }, timeout: 60 * 1000 });

/**
 * 原表截图预览（主账本机 LibreOffice 转 PNG/PDF）。
 * 走 blob：带鉴权；首次转换可能较慢。
 */
export async function fetchTemplateSnapshotBlob(versionId: string): Promise<{ blob: Blob; contentType: string }> {
  const glob = useGlobSetting();
  const base = (glob.apiUrl || '').replace(/\/$/, '');
  const url = `${base}${Api.previewSnapshot}?versionId=${encodeURIComponent(versionId)}`;
  const token = getToken() || '';
  const controller = new AbortController();
  const timer = window.setTimeout(() => controller.abort(), 150 * 1000);
  try {
    const res = await fetch(url, {
      method: 'GET',
      headers: {
        'X-Access-Token': String(token),
      },
      signal: controller.signal,
    });
    const ctype = (res.headers.get('content-type') || '').toLowerCase();
    if (!res.ok || ctype.includes('application/json')) {
      let msg = `预览失败 HTTP ${res.status}`;
      try {
        const j = await res.json();
        if (j?.message) msg = String(j.message);
      } catch {
        /* ignore */
      }
      throw new Error(msg);
    }
    const blob = await res.blob();
    return { blob, contentType: ctype || blob.type || 'application/octet-stream' };
  } finally {
    window.clearTimeout(timer);
  }
}

export const listTemplateVersions = (templateId: string) =>
  defHttp.get({ url: Api.versions, params: { templateId } });

export const saveTemplateMapping = (versionId: string, mappingJson: string) =>
  defHttp.put({ url: Api.mapping, data: { versionId, mappingJson } });

export const enableTemplate = (templateId: string, versionId: string) =>
  defHttp.post({ url: Api.enable, params: { templateId, versionId } });

export const disableTemplate = (templateId: string) =>
  defHttp.post({ url: Api.disable, params: { templateId } });

/**
 * 删除模板逻辑头及全部版本；不可恢复。
 * 走 POST（与 Jeecg 惯例一致）：部分网关/Nginx 对 DELETE 会直接 404。
 * joinParamsToUrl：非 GET 时 axios 会把 params 挪进 JSON 体，必须拼到查询串给 @RequestParam。
 */
export const deleteTemplate = (templateId: string) =>
  defHttp.post(
    { url: Api.delete, params: { templateId } },
    { joinParamsToUrl: true },
  );

export const setTemplateDefault = (templateId: string, isDefault = true) =>
  defHttp.post({ url: Api.setDefault, params: { templateId, isDefault } });

/** 只改名称/业务/关键词/默认标记，不换文件；走 JSON 体对接主账 @RequestBody */
export const editTemplateMeta = (data) => defHttp.put({ url: Api.editMeta, data });

/**
 * 对最新 Excel 版重新提交 AI 异步解析（已解析也可点；解析中跳过）。
 */
export const reparseTemplate = (templateId: string) =>
  defHttp.post(
    { url: Api.reparse, params: { id: templateId }, timeout: 60 * 1000 },
    { joinParamsToUrl: true },
  );

/**
 * 带鉴权下载样例预览 / 原文件。
 * window.open+query token 遇 500 JSON 时浏览器只显示失败；改为 blob 下载并提示 message。
 */
export async function downloadTemplateFile(kind: 'previewSample' | 'download', versionId: string, fileNameHint?: string) {
  const glob = useGlobSetting();
  const base = (glob.apiUrl || '').replace(/\/$/, '');
  const path = kind === 'previewSample' ? Api.previewSample : Api.download;
  const url = `${base}${path}?versionId=${encodeURIComponent(versionId)}`;
  const token = getToken() || '';
  const res = await fetch(url, {
    method: 'GET',
    headers: {
      'X-Access-Token': String(token),
    },
  });
  const ctype = (res.headers.get('content-type') || '').toLowerCase();
  if (!res.ok || ctype.includes('application/json')) {
    let msg = `下载失败 HTTP ${res.status}`;
    try {
      const j = await res.json();
      if (j?.message) msg = String(j.message);
    } catch {
      /* ignore */
    }
    throw new Error(msg);
  }
  const blob = await res.blob();
  let name = fileNameHint || (kind === 'previewSample' ? 'preview.xlsx' : 'template.bin');
  const cd = res.headers.get('content-disposition') || '';
  const m = /filename\*=UTF-8''([^;]+)|filename=\"?([^\";]+)\"?/i.exec(cd);
  if (m) {
    name = decodeURIComponent((m[1] || m[2] || name).trim());
  }
  const href = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = href;
  a.download = name;
  document.body.appendChild(a);
  a.click();
  a.remove();
  URL.revokeObjectURL(href);
}

/** 带 token 下载样例预览 / 原文件（新窗口，兼容旧调用） */
export function buildTemplateFileUrl(kind: 'previewSample' | 'download', versionId: string) {
  const glob = useGlobSetting();
  const base = (glob.apiUrl || '').replace(/\/$/, '');
  const path = kind === 'previewSample' ? Api.previewSample : Api.download;
  const token = getToken() || '';
  return `${base}${path}?versionId=${encodeURIComponent(versionId)}&token=${encodeURIComponent(String(token))}`;
}