import {Button, Card, Space, Switch, Table} from "antd";
import queryString from "query-string";
import React, {useCallback, useState} from "react";
import {useTranslation} from "react-i18next";
import {Link, useLocation, useNavigate} from "react-router-dom";
import {pageLimit} from "../../utils/config";
import dayjs from "../../utils/day";
import {
  CheckCircleFilled,
  CheckCircleOutlined,
  DeleteFilled,
  DeleteOutlined,
  EditFilled,
  ExclamationCircleFilled,
  PlusCircleFilled,
  SyncOutlined
} from "@ant-design/icons";
import {DateFormatter} from "../../utils/DateFormatter.jsx";
import {connect} from 'react-redux';
import {setModalContext} from '../../redux/modals/modals.actions';

/**
 * Task List Component
 * @param dueDate
 * @returns {Element}
 * @constructor
 */
const DueDateRecord = ({dueDate}) => {
  if (dueDate) {
    const dueDateDayjs = dayjs(dueDate);
    const relativeDueDate = dueDateDayjs.fromNow();
    const today = dayjs();

    if (dueDateDayjs.isAfter(today)) {
      return <div title={relativeDueDate} style={{color: 'red'}}>
        <DateFormatter>{dueDate}</DateFormatter></div>;
    } else {
      return <div title={relativeDueDate}><DateFormatter>{dueDate}</DateFormatter></div>;
    }
  } else {
    return <div>N/A</div>;
  }
}

/**
 * Priority Label Component
 * @param priority
 * @returns {Element}
 * @constructor
 */
const PriorityLabel = ({priority}) => {
  switch(priority) {
    case 1:
      return <div>
        High <ExclamationCircleFilled style={{marginLeft: '5px', color: 'red'}}/>
      </div>;
    case 2:
      return <div>
        Medium <ExclamationCircleFilled style={{marginLeft: '5px', color: 'yellow'}}/>
      </div>;
    case 3:
      return <div>
        Low <ExclamationCircleFilled style={{marginLeft: '5px', color: 'green'}}/>
      </div>;
    default:
      return <div>
        None <ExclamationCircleFilled style={{marginLeft: '5px', color: 'black'}}/>
      </div>;
  }
}

const mapDispatchToProps = (dispatch) => ({
  // Existing dispatch props...
  setTaskUpsertContext: (context) => dispatch(setModalContext({context, modal: 'taskUpsert'})),
});

const mapStateToProps = (state) => ({
  // Existing state props...
});

export default connect(mapStateToProps, mapDispatchToProps)(TaskListComponent);

function TaskListComponent({
                                            loading,
                                            tasks,
                                            total,
                                            refetch,
                                            toggleCompletedStatus,
                             setTaskUpsertContext,
                                          }) {
  const {t} = useTranslation();

  const search = queryString.parse(useLocation().search);

  // Extract Query Params
  const {
    page,
    sortcolumn,
    sortorder,
    deleted,
    completed
  } = search;

  const history = useNavigate();

  const columns = [
    {
      title: t("tasks.fields.job.ro_number"),
      dataIndex: ["job", "ro_number"],
      key: "job.ro_number",
      width: '5%',
      render: (text, record) => (
        <Link to={`/manage/jobs/${record.job.id}`}>
          {record.job.ro_number}
        </Link>
      ),
    },
    {
      title: t("tasks.fields.title"),
      dataIndex: "title",
      key: "title",
      sorter: true,
      sortOrder: sortcolumn === "title" && sortorder,
    },
    {
      title: t("tasks.fields.description"),
      dataIndex: "description",
      key: "description",
      sorter: true,
      sortOrder: sortcolumn === "description" && sortorder,
    },
    {
      title: t("tasks.fields.due_date"),
      dataIndex: "due_date",
      key: "due_date",
      sorter: true,
      sortOrder: sortcolumn === "due_date" && sortorder,
      width: '5%',
      render: (text, record) => <DueDateRecord dueDate={record.due_date} />,
    },
    {
      title: t("tasks.fields.priority"),
      dataIndex: "priority",
      key: "priority",
      sorter: true,
      sortOrder: sortcolumn === "priority" && sortorder,
      width: '5%',
      render: (text, record) => <PriorityLabel priority={record.priority}
      />
    },
    {
      title: t("tasks.fields.actions"),
      key: "toggleCompleted",
      width: '5%',
      render: (text, record) => (
        <Space direction='horizontal'>
          <Button title={t('tasks.actions.edit')} onClick={() => {
            setTaskUpsertContext({
              actions: {},
              context: {
                existingTask: record,
              },
            });
          }}>
            <EditFilled/>
          </Button>
          <Button title={t('tasks.actions.toggle_completed')}
                  onClick={() => toggleCompletedStatus(record.id, record.completed)}>
            {record.completed ? <CheckCircleOutlined/> :
              <CheckCircleFilled/>}
          </Button>
          <Button title={t('tasks.actions.toggle_deleted')}
                  onClick={() => toggleDeletedStatus(record.id, record.deleted)}>
            {record.deleted ? <DeleteFilled/> : <DeleteOutlined/>}
          </Button>
        </Space>
      ),
    },
  ];

  const [state, setState] = useState({
    sortedInfo: {},
    filteredInfo: {text: ""},
  });

  const handleCreateTask = () => {
    setTaskUpsertContext({
      actions: {},
      context: {},
    });
  };

  const handleTableChange = (pagination, filters, sorter) => {
    setState({...state, filteredInfo: filters, sortedInfo: sorter});
    search.page = pagination.current;
    search.sortcolumn = sorter.columnKey;
    search.sortorder = sorter.order;
    history({search: queryString.stringify(search)});
  };

  const handleSwitchChange = (param, value) => {
    if (value) {
      search[param] = "true";
    } else {
      delete search[param];
    }
    history({search: queryString.stringify(search)});
  };

  /**
   * Extra actions for the tasks
   * @type {Function}
   */
  const tasksExtra = useCallback(() => {
    return (
      <Space direction='horizontal'>
        <Switch
          checkedChildren={<CheckCircleFilled/>}
          unCheckedChildren={<CheckCircleOutlined/>}
          title={t('tasks.titles.completed')}
          checked={completed === "true"}
          onChange={(value) => handleSwitchChange('completed', value)}
        />
        <Switch
          checkedChildren={<DeleteOutlined/>}
          unCheckedChildren={<DeleteFilled/>}
          title={t('tasks.titles.deleted')}
          checked={deleted === "true"}
          onChange={(value) => handleSwitchChange('deleted', value)}
        />
        <Button title={t('tasks.titles.create')} onClick={handleCreateTask}>
          <PlusCircleFilled/>{t('tasks.buttons.create')}
        </Button>
        <Button title={t('tasks.titles.refresh')}
                onClick={() => refetch()}>
          <SyncOutlined/>
        </Button>
      </Space>
    );
  }, [refetch, deleted, completed]);

  return (
    <Card
      title={t("menus.header.my_tasks")}
      extra={tasksExtra()}
    >
      <Table
        loading={loading}
        pagination={{
          position: "top",
          pageSize: pageLimit,
          current: parseInt(page || 1),
          total: total,
        }}
        columns={columns}
        rowKey="id"
        scroll={{x: true}}
        dataSource={tasks}
        onChange={handleTableChange}
      />
    </Card>
  );
}