import type { AdminContentHomeConfig, AdminContentMetaConfig, AdminContentPolicyConfig, AdminContentPolicyItem, AdminHelpArticleItem, AdminHelpArticlePayload } from "../../api/admin";

export type HomeSectionKey = "service_entries" | "quick_entries" | "trust_metrics" | "trust_points" | "faqs";
export type PolicySectionKey = "legal_entries" | "appraisal_agreements";
export type MetaSectionKey = "help_categories" | "report_risk_defaults" | "ticket_types" | "ticket_statuses" | "message_events";
export type ContentTabKey = "home" | "policy" | "meta" | "articles";

export type ArticleFormState = {
  id?: number;
  category: AdminHelpArticlePayload["category"];
  title: string;
  summary: string;
  keywordsText: string;
  contentBlocksText: string;
  is_recommended: boolean;
  is_enabled: boolean;
  sort_order: number;
};

export const contentTabs: Array<{ key: ContentTabKey; label: string; desc: string; routeName: string }> = [
  { key: "home", label: "首页与主页面", desc: "Banner、主页面背景、服务入口和信任信息。", routeName: "content-home" },
  { key: "policy", label: "协议与说明", desc: "设置页说明入口和下单确认协议。", routeName: "content-policy" },
  { key: "meta", label: "分类与文案", desc: "帮助分类、消息事件、工单文案和风险提示。", routeName: "content-meta" },
  { key: "articles", label: "帮助文章", desc: "帮助中心文章正文、推荐状态和排序。", routeName: "content-articles" },
];

export const serviceProviderOptions = [
  { label: "实物鉴定", value: "anxinyan" },
  { label: "中检鉴定", value: "zhongjian" },
];

export const quickCodeOptions = [
  { label: "发起鉴定", value: "start" },
  { label: "我的订单", value: "orders" },
  { label: "我的报告", value: "reports" },
  { label: "消息中心", value: "messages" },
];

export const articleCategoryOptions = [
  { label: "服务流程", value: "service" },
  { label: "报告验真", value: "report" },
  { label: "寄送物流", value: "shipping" },
  { label: "售后支持", value: "support" },
];

export function createHomeConfig(): AdminContentHomeConfig {
  return {
    banners: [{ title: "", subtitle: "", description: "", background_image_url: "" }],
    page_visuals: {
      order_background_image_url: "",
      report_background_image_url: "",
    },
    service_entries: [],
    category_visuals: [],
    quick_entries: [],
    trust_metrics: [],
    trust_points: [],
    faqs: [],
  };
}

export function normalizeHomeConfig(config?: Partial<AdminContentHomeConfig>): AdminContentHomeConfig {
  const banners = config?.banners?.length ? config.banners : [{ title: "", subtitle: "", description: "", background_image_url: "" }];
  const pageVisuals: Partial<AdminContentHomeConfig["page_visuals"]> = config?.page_visuals || {};

  return {
    banners: banners.map((item) => ({
      title: item.title || "",
      subtitle: item.subtitle || "",
      description: item.description || "",
      background_image_url: item.background_image_url || "",
    })),
    page_visuals: {
      order_background_image_url: pageVisuals.order_background_image_url || "",
      report_background_image_url: pageVisuals.report_background_image_url || "",
    },
    service_entries: config?.service_entries || [],
    category_visuals: (config?.category_visuals || []).map((item) => ({
      category_name: item.category_name || "",
      category_code: item.category_code || "",
      image_url: item.image_url || "",
    })),
    quick_entries: config?.quick_entries || [],
    trust_metrics: config?.trust_metrics || [],
    trust_points: config?.trust_points || [],
    faqs: config?.faqs || [],
  };
}

export function createPolicyItem(): AdminContentPolicyItem {
  return {
    code: "",
    title: "",
    desc: "",
    target_url: "",
    article_id: 0,
  };
}

export function parseHelpArticleId(targetUrl?: string) {
  if (!targetUrl) {
    return 0;
  }

  const matched = targetUrl.match(/\/pages\/help\/detail\?id=(\d+)/);
  return matched ? Number(matched[1] || 0) : 0;
}

export function normalizePolicyItems(items?: Partial<AdminContentPolicyItem>[]) {
  return (items || []).map((item) => ({
    code: item.code || "",
    title: item.title || "",
    desc: item.desc || "",
    target_url: item.target_url || "",
    article_id: Number(item.article_id || parseHelpArticleId(item.target_url) || 0),
  }));
}

export function normalizePolicyConfig(config?: Partial<AdminContentPolicyConfig>): AdminContentPolicyConfig {
  return {
    legal_entries: normalizePolicyItems(config?.legal_entries),
    appraisal_agreements: normalizePolicyItems(config?.appraisal_agreements),
  };
}

export function normalizeMetaConfig(config?: Partial<AdminContentMetaConfig>): AdminContentMetaConfig {
  return {
    help_categories: config?.help_categories || [],
    report_risk_defaults: config?.report_risk_defaults || [],
    ticket_types: config?.ticket_types || [],
    ticket_statuses: config?.ticket_statuses || [],
    message_events: config?.message_events || [],
    message_page_copy: config?.message_page_copy || {
      title: "",
      desc: "",
    },
  };
}

export function resetArticleForm(target: ArticleFormState, row?: AdminHelpArticleItem) {
  target.id = row?.id;
  target.category = row?.category || "service";
  target.title = row?.title || "";
  target.summary = row?.summary || "";
  target.keywordsText = row?.keywords?.join("\n") || "";
  target.contentBlocksText = row?.content_blocks?.join("\n") || "";
  target.is_recommended = row?.is_recommended || false;
  target.is_enabled = row ? row.is_enabled : true;
  target.sort_order = row?.sort_order || 0;
}

export function parseLines(value: string) {
  return value
    .split("\n")
    .map((item) => item.trim())
    .filter(Boolean);
}