import { EmployeeState, initialState } from '../states/employee.state';
import { Actions, ActionTypes } from '../actions/employee.action';

export function reducer(
    state: EmployeeState = initialState,
    action: Actions
): EmployeeState {
    switch (action.type) {
        case ActionTypes.SUBORDINATES:
            return (<any>Object).assign({}, state, {
                entries: [...state.entries, ...action.payload]
            });
        case ActionTypes.SET_ENTRIES:
            return (<any>Object).assign({}, state, {
                entries: action.payload
            });
        case ActionTypes.SET_SELECTED:
            return (<any>Object).assign({}, state, {
                selectedEntries: action.payload
            });
        case ActionTypes.TOGGLE_SELECTED:
            let selectedEntries: any[] = [...state.selectedEntries];
            if(selectedEntries.indexOf(action.payload) !== -1) {
                selectedEntries.splice(selectedEntries.indexOf(action.payload), 1);
            }
            else {
                selectedEntries.push(action.payload);
            }
            selectedEntries.sort((a: any, b: any) => {
                return (a.first_name + ' ' + a.last_name).localeCompare(b.first_name + ' ' + b.last_name);
            });
            return (<any>Object).assign({}, state, {
                selectedEntries: selectedEntries
            });
        case ActionTypes.ACTIVE:
            return (<any>Object).assign({}, state, {
                active: action.payload
            });
        default:
            return state;
    }
}