import { IStoreState, ID, IRow } from '../index.data';
import { ICommand } from 'valor-unistore-undo';
import { getRow } from '../store/selectors';
import { setRowData } from '../store/actions/row';
import { SpreadSheetRuntime } from '../RuntimeContext';

/**
 * patch某个row
 * 暂时不允许修改row.cells
 * 目前仅有的需求: 修改additions
 */
class SetRowDataCommand extends ICommand<IStoreState, Partial<IRow>, IRow, SpreadSheetRuntime> {
  id?: ID;

  execute = () => {
    const state = this.store.getState();
    const { isActiving, selectionType, selectedRowRange } = state;
    let id: ID | null = null;

    if (!this.params!.id) {
      // 若未指定id, 则选当前rowId

      // 1. 若正在编辑, 则放弃修改
      if (isActiving) return false;
      // 2. 非单选行, 不允许改
      if (selectionType !== 'row' || selectedRowRange[0] !== selectedRowRange[1]) return false;

      id = this.id || selectedRowRange[0];
    } else {
      // 已指定id , 表示强制改
      id = this.id || this.params.id;
    }

    // 用于undo/redo
    this.id = id;
    this.undoContext = { ...getRow(state, id) };

    this.do();
    return true;
  };

  undo = () => {
    const patch = setRowData(this.store.getState(), this.id!, this.undoContext, true);
    this.store.setState(patch as any);
  };

  do = () => {
    const patch = setRowData(this.store.getState(), this.id!, this.params, false);
    this.store.setState(patch as any);
  };
}

export default SetRowDataCommand;