import { Card, Table, Tabs, Tag, Input, Space, Button, DatePicker, Select } from "antd";
import { useEffect, useState } from "react";
import { fetchLogs } from "../api";
import { SearchOutlined, ReloadOutlined } from "@ant-design/icons";
import dayjs from "dayjs";

const { RangePicker } = DatePicker;

export default function Logs() {
  const [activeTab, setActiveTab] = useState("OPERATION");
  const [loading, setLoading] = useState(false);
  const [data, setData] = useState([]);
  const [total, setTotal] = useState(0);
  const [params, setParams] = useState({
    current: 1,
    size: 10,
    username: "",
    status: undefined,
    startDate: "",
    endDate: ""
  });

  const loadData = async (currentParams = params) => {
    setLoading(true);
    try {
      const operationType = activeTab === "LOGIN" ? "LOGIN" : "OPERATION";
      const result = await fetchLogs({ ...currentParams, operationType });
      setData(result.records || []);
      setTotal(result.total || 0);
    } finally {
      setLoading(false);
    }
  };

  useEffect(() => {
    loadData();
  }, [activeTab, params.current, params.size]);

  const handleSearch = () => {
    setParams({ ...params, current: 1 });
    loadData({ ...params, current: 1 });
  };

  const handleReset = () => {
    const resetParams = {
      current: 1,
      size: 10,
      username: "",
      status: undefined,
      startDate: "",
      endDate: ""
    };
    setParams(resetParams);
    loadData(resetParams);
  };

  const columns = [
    {
      title: "用户名",
      dataIndex: "username",
      key: "username",
      width: 120,
      render: (text: string) => text || "系统/访客"
    },
    {
      title: activeTab === "LOGIN" ? "登录模块" : "操作模块",
      dataIndex: "resourceType",
      key: "resourceType",
      width: 150
    },
    {
      title: "操作详情",
      dataIndex: "detail",
      key: "detail",
      ellipsis: true
    },
    {
      title: "IP地址",
      dataIndex: "ipAddress",
      key: "ipAddress",
      width: 140
    },
    {
      title: "状态",
      dataIndex: "status",
      key: "status",
      width: 100,
      render: (status: number) => (
        <Tag color={status === 1 ? "green" : "red"}>
          {status === 1 ? "成功" : "失败"}
        </Tag>
      )
    },
    {
      title: "操作时间",
      dataIndex: "createdAt",
      key: "createdAt",
      width: 180,
      render: (text: string) => text?.replace('T', ' ').substring(0, 19)
    }
  ];

  if (activeTab === "OPERATION") {
      columns.splice(1, 0, {
          title: "请求方式",
          dataIndex: "operationType",
          key: "operationType",
          width: 100,
          render: (t: string) => <Tag>{t}</Tag>
      });
  }

  return (
    <div className="p-6">
      <Card className="mb-4">
        <Space wrap size="middle">
          <Input
            placeholder="用户名"
            style={{ width: 160 }}
            value={params.username}
            onChange={e => setParams({ ...params, username: e.target.value })}
          />
          <Select
            placeholder="状态"
            style={{ width: 120 }}
            allowClear
            value={params.status}
            onChange={v => setParams({ ...params, status: v })}
            options={[
              { label: "成功", value: 1 },
              { label: "失败", value: 0 }
            ]}
          />
          <RangePicker
            onChange={(dates) => {
              setParams({
                ...params,
                startDate: dates ? dates[0]?.format("YYYY-MM-DD") || "" : "",
                endDate: dates ? dates[1]?.format("YYYY-MM-DD") || "" : ""
              });
            }}
          />
          <Button type="primary" icon={<SearchOutlined />} onClick={handleSearch}>搜索</Button>
          <Button icon={<ReloadOutlined />} onClick={handleReset}>重置</Button>
        </Space>
      </Card>

      <Card>
        <Tabs activeKey={activeTab} onChange={setActiveTab}>
          <Tabs.TabPane tab="操作日志" key="OPERATION" />
          <Tabs.TabPane tab="登录日志" key="LOGIN" />
        </Tabs>

        <Table
          rowKey="id"
          columns={columns}
          dataSource={data}
          loading={loading}
          pagination={{
            current: params.current,
            pageSize: params.size,
            total: total,
            showSizeChanger: true,
            onChange: (page, size) => setParams({ ...params, current: page, size }),
            showTotal: (total) => `共 ${total} 条`
          }}
        />
      </Card>
    </div>
  );
}