/**
 * # 路由 /admin/inquiries 询盘管理
 * 状态 Tab 过滤 + 表格；行点击抽屉查看完整 fields JSON；操作按钮标记已读/已回复/垃圾。
 * 数据接口复用 src/server/inquiries.ts 的 listInquiries / updateInquiryStatus。
 */
import { createFileRoute, useRouter } from "@tanstack/react-router";
import { App, Button, Card, Descriptions, Drawer, Input, Space, Table, Tabs, Tag } from "antd";
import { CheckOutlined, SearchOutlined, SendOutlined, StopOutlined } from "@ant-design/icons";
import { useState } from "react";
import { listInquiries, updateInquiryStatus } from "~/server/inquiries";
import type { inquiries } from "~/db/schema";
import {
  AdminEmpty,
  Forbidden,
  INQUIRY_STATUS_COLOR,
  INQUIRY_STATUS_LABEL,
  Json,
  PageHeader,
  StatusTag,
  fmtDateTime,
  guardAdmin,
  tablePagination,
  type AdminSearch,
} from "~/components/admin/common";

export const Route = createFileRoute("/admin/inquiries")({
  validateSearch: (search: Record<string, unknown>): AdminSearch => {
    // 只保留显式传入的参数，缺省时不回写 URL（避免 307 归一化重定向）
    const out: AdminSearch = {};
    const page = Math.floor(Number(search.page)) || 0;
    if (page > 1) out.page = page;
    if (typeof search.q === "string" && search.q) out.q = search.q;
    if (typeof search.status === "string" && search.status) out.status = search.status;
    return out;
  },
  loaderDeps: ({ search }) => ({ search }),
  loader: ({ deps }) =>
    guardAdmin(() =>
      listInquiries({ data: { page: deps.search.page, status: deps.search.status || undefined, q: deps.search.q || undefined } }),
    ),
  component: InquiriesPage,
});

/** # 成员变量 询盘行类型（fields/utm 收窄为 Json 后的形状） **/
type InquiryRow = Omit<typeof inquiries.$inferSelect, "fields" | "utm"> & { fields: Json; utm: Json };

/** # 函数 询盘管理页面组件 */
function InquiriesPage() {
  const data = Route.useLoaderData();
  const search = Route.useSearch();
  const navigate = Route.useNavigate();
  const router = useRouter();
  const { message } = App.useApp();
  const [q, setQ] = useState(search.q ?? "");
  /** # 成员变量 当前抽屉中查看的询盘记录（null = 关闭） **/
  const [viewing, setViewing] = useState<InquiryRow | null>(null);

  if (!data) return <Forbidden />;

  /** # 函数 更新查询参数 */
  function updateSearch(patch: AdminSearch) {
    void navigate({ search: (prev) => ({ ...prev, ...patch, page: 1 }) });
  }

  /** # 函数 更新询盘状态并刷新 */
  async function handleStatus(id: number, status: string) {
    await updateInquiryStatus({ data: { id, status } });
    message.success("状态已更新");
    await router.invalidate();
  }

  return (
    <Card size="small">
      <PageHeader
        title="询盘管理"
        extra={
          <Input
            allowClear
            placeholder="搜索姓名 / 邮箱 / 公司"
            prefix={<SearchOutlined aria-hidden />}
            value={q}
            onChange={(e) => setQ(e.target.value)}
            onPressEnter={() => updateSearch({ q })}
            style={{ width: 240 }}
          />
        }
      />
      <Tabs
        activeKey={search.status ?? ""}
        onChange={(key) => updateSearch({ status: key })}
        items={[
          { key: "", label: "全部" },
          ...(["new", "read", "replied", "spam", "archived"] as const).map((s) => ({ key: s, label: INQUIRY_STATUS_LABEL[s] })),
        ]}
      />
      <Table
        rowKey="id"
        size="small"
        dataSource={data.items}
        locale={{ emptyText: <AdminEmpty /> }}
        onRow={(r) => ({ onClick: () => setViewing(r), style: { cursor: "pointer" } })}
        pagination={tablePagination(data.total, data.page, data.pageSize, (p) =>
          void navigate({ search: (prev) => ({ ...prev, page: p }) }),
        )}
        columns={[
          { title: "ID", dataIndex: "id", width: 70 },
          { title: "时间", dataIndex: "createdAt", width: 150, render: (v: string) => fmtDateTime(v) },
          { title: "姓名", dataIndex: "name", width: 130, ellipsis: true },
          { title: "邮箱", dataIndex: "email", width: 200, ellipsis: true },
          { title: "公司", dataIndex: "company", width: 160, ellipsis: true },
          { title: "国家", dataIndex: "country", width: 110, ellipsis: true },
          { title: "感兴趣产品", dataIndex: "productInterest", ellipsis: true },
          { title: "来源", dataIndex: "formName", width: 150, ellipsis: true },
          {
            title: "状态",
            dataIndex: "status",
            width: 100,
            render: (v: string) => <StatusTag value={v} colorMap={INQUIRY_STATUS_COLOR} labelMap={INQUIRY_STATUS_LABEL} />,
          },
          {
            title: "操作",
            key: "actions",
            width: 130,
            render: (_, r) => (
              <Space size={0} onClick={(e) => e.stopPropagation()}>
                {r.status !== "read" && r.status !== "replied" && (
                  <Button size="small" type="text" icon={<CheckOutlined aria-label="标记已读" />} title="标记已读" onClick={() => void handleStatus(r.id, "read")} />
                )}
                {r.status !== "replied" && (
                  <Button size="small" type="text" icon={<SendOutlined aria-label="标记已回复" />} title="标记已回复" onClick={() => void handleStatus(r.id, "replied")} />
                )}
                {r.status !== "spam" && (
                  <Button size="small" type="text" danger icon={<StopOutlined aria-label="标记垃圾" />} title="标记垃圾" onClick={() => void handleStatus(r.id, "spam")} />
                )}
              </Space>
            ),
          },
        ]}
      />

      <Drawer
        title={viewing ? `询盘 #${viewing.id} · ${viewing.name || viewing.email}` : ""}
        width={560}
        open={viewing !== null}
        onClose={() => setViewing(null)}
        destroyOnHidden
      >
        {viewing && (
          <>
            <Descriptions size="small" column={1} bordered>
              <Descriptions.Item label="状态">
                <Tag color={INQUIRY_STATUS_COLOR[viewing.status] ?? "default"}>{INQUIRY_STATUS_LABEL[viewing.status] ?? viewing.status}</Tag>
              </Descriptions.Item>
              <Descriptions.Item label="时间">{fmtDateTime(viewing.createdAt)}</Descriptions.Item>
              <Descriptions.Item label="姓名">{viewing.name || "-"}</Descriptions.Item>
              <Descriptions.Item label="邮箱">{viewing.email || "-"}</Descriptions.Item>
              <Descriptions.Item label="电话">{viewing.phone || "-"}</Descriptions.Item>
              <Descriptions.Item label="公司">{viewing.company || "-"}</Descriptions.Item>
              <Descriptions.Item label="国家">{viewing.country || "-"}</Descriptions.Item>
              <Descriptions.Item label="感兴趣产品">{viewing.productInterest || "-"}</Descriptions.Item>
              <Descriptions.Item label="来源">{viewing.formName || viewing.channel || "-"}</Descriptions.Item>
              <Descriptions.Item label="来源页面">{viewing.sourcePage || "-"}</Descriptions.Item>
              <Descriptions.Item label="IP">{viewing.ip || "-"}</Descriptions.Item>
              <Descriptions.Item label="询盘内容">{viewing.message || "-"}</Descriptions.Item>
            </Descriptions>
            <h4 style={{ margin: "16px 0 8px" }}>完整字段（fields JSON）</h4>
            <pre style={{ background: "#f5f5f5", padding: 12, borderRadius: 6, fontSize: 12, maxHeight: 320, overflow: "auto" }}>
              {JSON.stringify(viewing.fields, null, 2)}
            </pre>
          </>
        )}
      </Drawer>
    </Card>
  );
}