import { useMutation, useQuery } from "@tanstack/react-query";
import { useSearchParams } from "react-router-dom";
import { fetchWecomConfig, startWecomBind, unbindWecom } from "../api/auth";
import { PageHeader } from "../components/common/PageHeader";
import { useAuth } from "../auth/AuthContext";
import { Button } from "../components/ui/button";

export function ProfilePage() {
  const { me, permissions } = useAuth();
  const [searchParams] = useSearchParams();
  const wecomConfigQuery = useQuery({ queryKey: ["auth", "wecom-config"], queryFn: () => fetchWecomConfig(), staleTime: 60_000 });
  const bindMutation = useMutation({
    mutationFn: async () => startWecomBind("/settings/profile"),
    onSuccess: (payload) => { window.location.assign(payload.loginUrl); },
  });
  const unbindMutation = useMutation({
    mutationFn: () => unbindWecom(),
    onSuccess: () => { window.location.reload(); },
  });

  return (
    <div>
      <PageHeader title="个人设置" subtitle="展示当前登录人的基础信息与权限摘要。" />

      <section className="card-std">
        <h3 className="card-title">个人信息</h3>
        <dl className="grid gap-3 text-sm text-zinc-700 md:grid-cols-2">
          <div>
            <dt className="text-secondary">姓名</dt>
            <dd className="font-medium text-zinc-900">{me?.name ?? "-"}</dd>
          </div>
          <div>
            <dt className="text-secondary">员工号</dt>
            <dd className="font-medium text-zinc-900">{me?.employeeNo ?? "-"}</dd>
          </div>
          <div>
            <dt className="text-secondary">邮箱</dt>
            <dd className="font-medium text-zinc-900">{me?.email ?? "-"}</dd>
          </div>
          <div>
            <dt className="text-secondary">手机号</dt>
            <dd className="font-medium text-zinc-900">{me?.phone ?? "-"}</dd>
          </div>
          <div>
            <dt className="text-secondary">部门ID</dt>
            <dd className="font-medium text-zinc-900">{me?.departmentId ?? "-"}</dd>
          </div>
          <div>
            <dt className="text-secondary">直属上级ID</dt>
            <dd className="font-medium text-zinc-900">{me?.directManagerId ?? "-"}</dd>
          </div>
        </dl>
      </section>

      <section className="card-std mt-4">
        <h3 className="card-title">企业微信绑定</h3>
        <div className="space-y-3 text-sm text-zinc-700">
          <div>接入状态：<span className="font-medium text-zinc-900">{wecomConfigQuery.data?.enabled ? "已启用" : "未启用"}</span></div>
          <div>绑定状态：<span className="font-medium text-zinc-900">{me?.wecomBinding?.externalUserId ?? "未绑定"}</span></div>
          {searchParams.get("wecomBind") ? (
            <div className="rounded-lg border border-zinc-200 bg-zinc-50 px-3 py-2">绑定结果：{searchParams.get("wecomBind")}</div>
          ) : null}
          <div className="flex flex-wrap gap-2">
            <Button type="button" variant="secondary" disabled={!wecomConfigQuery.data?.enabled || bindMutation.isPending} onClick={() => bindMutation.mutate()}>绑定企业微信</Button>
            <Button type="button" variant="secondary" disabled={!me?.wecomBinding || unbindMutation.isPending} onClick={() => unbindMutation.mutate()}>解绑企业微信</Button>
          </div>
        </div>
      </section>

      <section className="card-std mt-4">
        <h3 className="card-title">权限列表</h3>
        <div className="flex flex-wrap gap-2">
          {permissions.map((permission) => (
            <span
              className="rounded-full bg-primary-50 px-2.5 py-1 text-xs font-medium text-primary"
              key={permission}
            >
              {permission}
            </span>
          ))}
        </div>
      </section>
    </div>
  );
}