import React, { useEffect, useState } from 'react';
import {
  API,
  copy,
  isAdmin,
  showError,
  showSuccess,
  timestamp2string,
} from '../helpers';

import {
  Avatar,
  Button,
  Form,
  Layout,
  Modal,
  Select,
  Space,
  Spin,
  Table,
  Tag,
} from '@douyinfe/semi-ui';
import { ITEMS_PER_PAGE } from '../constants';
import { renderNumber, renderQuota, stringToColor } from '../helpers/render';
import Paragraph from '@douyinfe/semi-ui/lib/es/typography/paragraph';

const { Header } = Layout;

function renderTimestamp(timestamp) {
  return <>{timestamp2string(timestamp)}</>;
}

const MODE_OPTIONS = [
  { key: 'all', text: '全部用户', value: 'all' },
  { key: 'self', text: '当前用户', value: 'self' },
];

const colors = [
  'amber',
  'blue',
  'cyan',
  'green',
  'grey',
  'indigo',
  'light-blue',
  'lime',
  'orange',
  'pink',
  'purple',
  'red',
  'teal',
  'violet',
  'yellow',
];

function renderType(type) {
  switch (type) {
    case 1:
      return (
        <Tag color='cyan' size='large'>
          {' '}
          充值{' '}
        </Tag>
      );
    case 2:
      return (
        <Tag color='lime' size='large'>
          {' '}
          消费{' '}
        </Tag>
      );
    case 3:
      return (
        <Tag color='orange' size='large'>
          {' '}
          管理{' '}
        </Tag>
      );
    case 4:
      return (
        <Tag color='purple' size='large'>
          {' '}
          系统{' '}
        </Tag>
      );
    default:
      return (
        <Tag color='black' size='large'>
          {' '}
          未知{' '}
        </Tag>
      );
  }
}

function renderIsStream(bool) {
  if (bool) {
    return (
      <Tag color='blue' size='large'>
        流
      </Tag>
    );
  } else {
    return (
      <Tag color='purple' size='large'>
        非流
      </Tag>
    );
  }
}

function renderUseTime(type) {
  const time = parseInt(type);
  if (time < 101) {
    return (
      <Tag color='green' size='large'>
        {' '}
        {time} s{' '}
      </Tag>
    );
  } else if (time < 300) {
    return (
      <Tag color='orange' size='large'>
        {' '}
        {time} s{' '}
      </Tag>
    );
  } else {
    return (
      <Tag color='red' size='large'>
        {' '}
        {time} s{' '}
      </Tag>
    );
  }
}

const LogsTable = () => {
  const columns = [
    {
      title: '时间',
      dataIndex: 'timestamp2string',
    },
    {
      title: '渠道',
      dataIndex: 'channel',
      className: isAdmin() ? 'tableShow' : 'tableHiddle',
      render: (text, record, index) => {
        return isAdminUser ? (
          record.type === 0 || record.type === 2 ? (
            <div>
              {
                <Tag
                  color={colors[parseInt(text) % colors.length]}
                  size='large'
                >
                  {' '}
                  {text}{' '}
                </Tag>
              }
            </div>
          ) : (
            <></>
          )
        ) : (
          <></>
        );
      },
    },
    {
      title: '用户',
      dataIndex: 'username',
      className: isAdmin() ? 'tableShow' : 'tableHiddle',
      render: (text, record, index) => {
        return isAdminUser ? (
          <div>
            <Avatar
              size='small'
              color={stringToColor(text)}
              style={{ marginRight: 4 }}
              onClick={() => showUserInfo(record.user_id)}
            >
              {typeof text === 'string' && text.slice(0, 1)}
            </Avatar>
            {text}
          </div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '令牌',
      dataIndex: 'token_name',
      render: (text, record, index) => {
        return record.type === 0 || record.type === 2 ? (
          <div>
            <Tag
              color='grey'
              size='large'
              onClick={() => {
                copyText(text);
              }}
            >
              {' '}
              {text}{' '}
            </Tag>
          </div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '类型',
      dataIndex: 'type',
      render: (text, record, index) => {
        return <div>{renderType(text)}</div>;
      },
    },
    {
      title: '模型',
      dataIndex: 'model_name',
      render: (text, record, index) => {
        return record.type === 0 || record.type === 2 ? (
          <div>
            <Tag
              color={stringToColor(text)}
              size='large'
              onClick={() => {
                copyText(text);
              }}
            >
              {' '}
              {text}{' '}
            </Tag>
          </div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '用时',
      dataIndex: 'use_time',
      render: (text, record, index) => {
        return (
          <div>
            <Space>
              {renderUseTime(text)}
              {renderIsStream(record.is_stream)}
            </Space>
          </div>
        );
      },
    },
    {
      title: '提示',
      dataIndex: 'prompt_tokens',
      render: (text, record, index) => {
        return record.type === 0 || record.type === 2 ? (
          <div>{<span> {text} </span>}</div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '补全',
      dataIndex: 'completion_tokens',
      render: (text, record, index) => {
        return parseInt(text) > 0 &&
          (record.type === 0 || record.type === 2) ? (
          <div>{<span> {text} </span>}</div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '花费',
      dataIndex: 'quota',
      render: (text, record, index) => {
        return record.type === 0 || record.type === 2 ? (
          <div>{renderQuota(text, 6)}</div>
        ) : (
          <></>
        );
      },
    },
    {
      title: '详情',
      dataIndex: 'content',
      render: (text, record, index) => {
        return (
          <Paragraph
            ellipsis={{
              rows: 2,
              showTooltip: { type: 'popover', opts: { style: { width: 240 } } },
            }}
            style={{ maxWidth: 240 }}
          >
            {text}
          </Paragraph>
        );
      },
    },
  ];

  const [logs, setLogs] = useState([]);
  const [showStat, setShowStat] = useState(false);
  const [loading, setLoading] = useState(false);
  const [loadingStat, setLoadingStat] = useState(false);
  const [activePage, setActivePage] = useState(1);
  const [logCount, setLogCount] = useState(0);
  const [pageSize, setPageSize] = useState(ITEMS_PER_PAGE);
  const [searchKeyword, setSearchKeyword] = useState('');
  const [searching, setSearching] = useState(false);
  const [logType, setLogType] = useState(0);
  const isAdminUser = isAdmin();
  let now = new Date();
  // 初始化start_timestamp为前一天
  const [inputs, setInputs] = useState({
    username: '',
    token_name: '',
    model_name: '',
    start_timestamp: timestamp2string(now.getTime() / 1000 - 86400),
    end_timestamp: timestamp2string(now.getTime() / 1000 + 3600),
    channel: '',
  });
  const {
    username,
    token_name,
    model_name,
    start_timestamp,
    end_timestamp,
    channel,
  } = inputs;

  const [stat, setStat] = useState({
    quota: 0,
    token: 0,
  });

  const handleInputChange = (value, name) => {
    setInputs((inputs) => ({ ...inputs, [name]: value }));
  };

  const getLogSelfStat = async () => {
    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    let res = await API.get(
      `/api/log/self/stat?type=${logType}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}`,
    );
    const { success, message, data } = res.data;
    if (success) {
      setStat(data);
    } else {
      showError(message);
    }
  };

  const getLogStat = async () => {
    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    let res = await API.get(
      `/api/log/stat?type=${logType}&username=${username}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&channel=${channel}`,
    );
    const { success, message, data } = res.data;
    if (success) {
      setStat(data);
    } else {
      showError(message);
    }
  };

  const handleEyeClick = async () => {
    setLoadingStat(true);
    if (isAdminUser) {
      await getLogStat();
    } else {
      await getLogSelfStat();
    }
    setShowStat(true);
    setLoadingStat(false);
  };

  const showUserInfo = async (userId) => {
    if (!isAdminUser) {
      return;
    }
    const res = await API.get(`/api/user/${userId}`);
    const { success, message, data } = res.data;
    if (success) {
      Modal.info({
        title: '用户信息',
        content: (
          <div style={{ padding: 12 }}>
            <p>用户名: {data.username}</p>
            <p>余额: {renderQuota(data.quota)}</p>
            <p>已用额度：{renderQuota(data.used_quota)}</p>
            <p>请求次数：{renderNumber(data.request_count)}</p>
          </div>
        ),
        centered: true,
      });
    } else {
      showError(message);
    }
  };

  const setLogsFormat = (logs, total) => {
    for (let i = 0; i < logs.length; i++) {
      logs[i].timestamp2string = timestamp2string(logs[i].created_at);
      logs[i].key = '' + logs[i].id;
    }
    // data.key = '' + data.id
    setLogs(logs);
    setLogCount(total);
    // console.log(logCount);
  };

  const loadLogs = async (startIdx, pageSize, logType = 0) => {
    setLoading(true);

    let url = '';
    let localStartTimestamp = Date.parse(start_timestamp) / 1000;
    let localEndTimestamp = Date.parse(end_timestamp) / 1000;
    if (isAdminUser) {
      url = `/api/log/?p=${startIdx}&page_size=${pageSize}&type=${logType}&username=${username}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}&channel=${channel}`;
    } else {
      url = `/api/log/self/?p=${startIdx}&page_size=${pageSize}&type=${logType}&token_name=${token_name}&model_name=${model_name}&start_timestamp=${localStartTimestamp}&end_timestamp=${localEndTimestamp}`;
    }
    const res = await API.get(url);
    const { success, message, total, data } = res.data;
    if (success) {
      if (startIdx === 0) {
        setLogsFormat(data, total);
      } else {
        let newLogs = [...logs];
        newLogs.splice(startIdx * pageSize, data.length, ...data);
        setLogsFormat(newLogs, total);
      }
    } else {
      showError(message);
    }
    setLoading(false);
  };

  const pageData = logs.slice(
    (activePage - 1) * pageSize,
    activePage * pageSize,
  );

  const handlePageChange = (page) => {
    setActivePage(page);
    if (page === Math.ceil(logs.length / pageSize) + 1) {
      // In this case we have to load more data and then append them.
      loadLogs(page - 1, pageSize, logType).then((r) => {});
    }
  };

  const handlePageSizeChange = async (size) => {
    localStorage.setItem('page-size', size + '');
    setPageSize(size);
    setActivePage(1);
    loadLogs(0, size)
      .then()
      .catch((reason) => {
        showError(reason);
      });
  };

  const refresh = async (localLogType) => {
    // setLoading(true);
    setActivePage(1);
    await loadLogs(0, pageSize, localLogType);
  };

  const copyText = async (text) => {
    if (await copy(text)) {
      showSuccess('已复制：' + text);
    } else {
      // setSearchKeyword(text);
      Modal.error({ title: '无法复制到剪贴板，请手动复制', content: text });
    }
  };

  useEffect(() => {
    // console.log('default effect')
    const localPageSize =
      parseInt(localStorage.getItem('page-size')) || ITEMS_PER_PAGE;
    setPageSize(localPageSize);
    loadLogs(0, localPageSize)
      .then()
      .catch((reason) => {
        showError(reason);
      });
  }, []);

  const searchLogs = async () => {
    if (searchKeyword === '') {
      // if keyword is blank, load files instead.
      await loadLogs(0, pageSize);
      setActivePage(1);
      return;
    }
    setSearching(true);
    const res = await API.get(`/api/log/self/search?keyword=${searchKeyword}`);
    const { success, message, data } = res.data;
    if (success) {
      setLogs(data);
      setActivePage(1);
    } else {
      showError(message);
    }
    setSearching(false);
  };

  return (
    <>
      <Layout>
        <Header>
          <Spin spinning={loadingStat}>
            <h3>
              使用明细（总消耗额度：
              <span
                onClick={handleEyeClick}
                style={{
                  cursor: 'pointer',
                  color: 'gray',
                }}
              >
                {showStat ? renderQuota(stat.quota) : '点击查看'}
              </span>
              ）
            </h3>
          </Spin>
        </Header>
        <Form layout='horizontal' style={{ marginTop: 10 }}>
          <>
            <Form.Input
              field='token_name'
              label='令牌名称'
              style={{ width: 176 }}
              value={token_name}
              placeholder={'可选值'}
              name='token_name'
              onChange={(value) => handleInputChange(value, 'token_name')}
            />
            <Form.Input
              field='model_name'
              label='模型名称'
              style={{ width: 176 }}
              value={model_name}
              placeholder='可选值'
              name='model_name'
              onChange={(value) => handleInputChange(value, 'model_name')}
            />
            <Form.DatePicker
              field='start_timestamp'
              label='起始时间'
              style={{ width: 272 }}
              initValue={start_timestamp}
              value={start_timestamp}
              type='dateTime'
              name='start_timestamp'
              onChange={(value) => handleInputChange(value, 'start_timestamp')}
            />
            <Form.DatePicker
              field='end_timestamp'
              fluid
              label='结束时间'
              style={{ width: 272 }}
              initValue={end_timestamp}
              value={end_timestamp}
              type='dateTime'
              name='end_timestamp'
              onChange={(value) => handleInputChange(value, 'end_timestamp')}
            />
            {isAdminUser && (
              <>
                <Form.Input
                  field='channel'
                  label='渠道 ID'
                  style={{ width: 176 }}
                  value={channel}
                  placeholder='可选值'
                  name='channel'
                  onChange={(value) => handleInputChange(value, 'channel')}
                />
                <Form.Input
                  field='username'
                  label='用户名称'
                  style={{ width: 176 }}
                  value={username}
                  placeholder={'可选值'}
                  name='username'
                  onChange={(value) => handleInputChange(value, 'username')}
                />
              </>
            )}
            <Form.Section>
              <Button
                label='查询'
                type='primary'
                htmlType='submit'
                className='btn-margin-right'
                onClick={() => {
                  refresh(logType).then();
                }}
                loading={loading}
              >
                查询
              </Button>
            </Form.Section>
          </>
        </Form>
        <Table
          style={{ marginTop: 5 }}
          columns={columns}
          dataSource={pageData}
          pagination={{
            currentPage: activePage,
            pageSize: pageSize,
            total: logCount,
            pageSizeOpts: [10, 20, 50, 100],
            showSizeChanger: true,
            onPageSizeChange: (size) => {
              handlePageSizeChange(size).then();
            },
            onPageChange: handlePageChange,
          }}
        />
        <Select
          defaultValue='0'
          style={{ width: 120 }}
          onChange={(value) => {
            setLogType(parseInt(value));
            refresh(parseInt(value)).then();
          }}
        >
          <Select.Option value='0'>全部</Select.Option>
          <Select.Option value='1'>充值</Select.Option>
          <Select.Option value='2'>消费</Select.Option>
          <Select.Option value='3'>管理</Select.Option>
          <Select.Option value='4'>系统</Select.Option>
        </Select>
      </Layout>
    </>
  );
};

export default LogsTable;