import BasicManager from "../../Engine/Basic/BasicManager";
import EventManager from "../../Engine/Event/EventManager";
import Tool from "../../Engine/Tool/Tool";
import GameEventName from "../Event/GameEventName";
import GameManager from "../Game/GameManager";
import { CMD, MOTION, SDK } from "./sdk";

export interface _ISDKButton {
    button: fgui.GComponent,
    color: Array<cc.Color>,
    callback: Function;
}

/**
 * SDK管理器
 */
export default class SDKManager extends BasicManager {

    /**按钮列表，栈结构 */
    private static buttons: Array<Array<_ISDKButton>> = [];
    /**按钮索引 */
    private static buttonIndex: number = 0;

    constructor () {
        super();
        Tool.log("生成SDK管理器");

        SDK.on(CMD.ENTER_KEY.toString(), this.confirm, this);
        SDK.on(CMD.CANCLE_KEY.toString(), this.cancel, this);
        SDK.on(CMD.BACK_LEFT.toString(), this.up, this);
        SDK.on(CMD.BACK_RIGHT.toString(), this.down, this);

        EventManager.onEvent(CMD.ENTER_KEY.toString(), this, this.confirm);
        EventManager.onEvent(CMD.CANCLE_KEY.toString(), this, this.cancel);
        EventManager.onEvent(CMD.BACK_LEFT.toString(), this, this.up);
        EventManager.onEvent(CMD.BACK_RIGHT.toString(), this, this.down);

        SDK.on(GameManager.ActionEvent, this.action, this);

        EventManager.onEvent(GameManager.ActionEvent, this, this.action);
    }

    /**添加按钮 */
    public static addButton (buttons: Array<_ISDKButton>): void {
        if (SDKManager.buttons.length > 0 && SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex] != null) {
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(1).visible = false;
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(2).asTextField.color = 
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].color[0];
        }

        SDKManager.buttons.push(buttons);
        SDKManager.buttonIndex = 0;
        SDKManager.updateButton(0);
    }

    /**删除按钮 */
    public static removeButton (count: number = 1): void {
        SDKManager.buttons.splice(SDKManager.buttons.length-count, count);

        if (SDKManager.buttons.length > 0 && SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex] != null) {
            SDKManager.updateButton(0);
        }
    }

    /**更新按钮 */
    public static updateButton (value: number): void {
        if (SDKManager.buttons.length > 0 && SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex] != null) {
            if (value != 0) {
                SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(1).visible = false;
                SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(2).asTextField.color = 
                SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].color[0];
    
                SDKManager.buttonIndex += value;
                if (SDKManager.buttonIndex < 0) {
                    SDKManager.buttonIndex = SDKManager.buttons[SDKManager.buttons.length-1].length-1;
                }
                else if (SDKManager.buttonIndex >= SDKManager.buttons[SDKManager.buttons.length-1].length) {
                    SDKManager.buttonIndex = 0;
                }
            }
    
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(1).visible = true;
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].button.getChildAt(2).asTextField.color = 
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].color[1];
        }
    }

    /**确认 */
    private confirm (): void {
        if (SDKManager.buttons.length > 0 && SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex] != null) {
            SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].callback && SDKManager.buttons[SDKManager.buttons.length-1][SDKManager.buttonIndex].callback();
        }

        EventManager.sendEvent(GameEventName.SDK.SDK_Confirm);
    }

    /**取消 */
    private cancel (): void {
        EventManager.sendEvent(GameEventName.SDK.SDK_Cancel);
    }

    /**上移 */
    private up (): void {
        EventManager.sendEvent(GameEventName.SDK.SDK_Up);

        SDKManager.updateButton(-1);
    }

    /**下移 */
    private down (): void {
        EventManager.sendEvent(GameEventName.SDK.SDK_Down);

        SDKManager.updateButton(1);
    }

    /**动作 */
    private action (): void {
        EventManager.sendEvent(GameEventName.SDK.SDK_Action);
    }

    _destroy () {
        Tool.log("销毁SDK管理器");
        
        SDKManager.buttons = null;
        SDK.onBackPressed();

        super._destroy();
    }
}