import React, { Component, PropTypes } from 'react';
import classnames from 'classnames';
import { themr } from 'react-css-themr';
import { TABLE } from '../identifiers.js';
import InjectCheckbox from '../checkbox/Checkbox.js';
import tableHeadFactory from './TableHead.js';
import tableRowFactory from './TableRow.js';

const factory = (TableHead, TableRow) => {
  class Table extends Component {
    static propTypes = {
      className: PropTypes.string,
      heading: PropTypes.bool,
      model: PropTypes.object,
      multiSelectable: PropTypes.bool,
      onChange: PropTypes.func,
      onSelect: PropTypes.func,
      selectable: PropTypes.bool,
      selected: PropTypes.array,
      source: PropTypes.array,
      theme: PropTypes.shape({
        table: PropTypes.string
      })
    };

    static defaultProps = {
      className: '',
      heading: true,
      selectable: true,
      multiSelectable: true,
      selected: [],
      source: []
    };

    handleFullSelect = () => {
      if (this.props.onSelect) {
        const {source, selected} = this.props;
        const newSelected = source.length === selected.length ? [] : source.map((i, idx) => idx);
        this.props.onSelect(newSelected);
      }
    };

    handleRowSelect = (index) => {
      if (this.props.onSelect) {
        let newSelection = [...this.props.selected];
        if (this.props.multiSelectable) {
          const position = this.props.selected.indexOf(index);
          newSelection = position !== -1
            ? newSelection.filter((el, idx) => idx !== position)
            : newSelection.concat([index]);
        } else {
          newSelection = [index];
        }
        this.props.onSelect(newSelection);
      }
    };

    handleRowChange = (index, key, value) => {
      if (this.props.onChange) {
        this.props.onChange(index, key, value);
      }
    };

    renderHead () {
      if (this.props.heading) {
        const {model, selected, source, selectable, multiSelectable} = this.props;
        const isSelected = selected.length === source.length;
        return (
          <TableHead
            model={model}
            onSelect={this.handleFullSelect}
            selectable={selectable}
            multiSelectable={multiSelectable}
            selected={isSelected}
            theme={this.props.theme}
          />
        );
      }
    }

    renderBody () {
      const { source, model, onChange, selectable, selected, theme } = this.props;
      return (
        <tbody>
          {source.map((data, index) => (
            <TableRow
              data={data}
              index={index}
              key={index}
              model={model}
              onChange={onChange ? this.handleRowChange.bind(this) : undefined}
              onSelect={this.handleRowSelect.bind(this, index)}
              selectable={selectable}
              selected={selected.indexOf(index) !== -1}
              theme={theme}
            />
          ))}
        </tbody>
      );
    }

    render () {
      const { className, theme } = this.props;
      return (
        <table data-react-toolbox='table' className={classnames(theme.table, className)}>
          {this.renderHead()}
          {this.renderBody()}
        </table>
      );
    }
  }

  return Table;
};

const TableHead = tableHeadFactory(InjectCheckbox);
const TableRow = tableRowFactory(InjectCheckbox);
const Table = factory(TableHead, TableRow);

export default themr(TABLE)(Table);
export { factory as tableFactory };
export { Table };