import { Intent } from '@blueprintjs/core';
import { app } from '../ApplicationServices/Application';
import { Command } from '../Editor/CommandMachine';
import { CameraType } from '../GraphicsSystem/CameraUpdate';
import { AppToaster } from '../UI/Components/Toaster';

export class Command_SwitchCamera implements Command
{
    async exec()
    {
        app.Viewer.CameraCtrl.SwitchCamera();
        AppToaster.show({
            message: `成功切换相机为:${app.Viewer.CameraCtrl.CameraType === CameraType.OrthographicCamera ? "正交相机" : "透视相机"}。 请使用SwitchCamera来切换回原来的相机模式！`,
            timeout: 10000,
            intent: Intent.SUCCESS,
        }, "SwitchCamera");

        if (app.Viewer.CameraCtrl.CameraType === CameraType.PerspectiveCamera)
            AppToaster.show({
                message: `透视相机模式下:您可以按住鼠标右键旋转观察角度,按WASD或者↑←↓→来进行移动相机,QE进行升高和下降,按住Shift时可加速移动!`,
                timeout: 10000,
                intent: Intent.SUCCESS,
            }, "SwitchCamera2");
    }
}