import { BimComponent } from '../core/component';
import { BimEngine } from '../bim-engine';
import { BimDialog } from '../components/dialog';
import { WalkPlanViewPanel } from '../components/walk-plan-view-panel';

/**
 * 平面图弹窗管理器
 */
export class WalkPlanViewDialogManager extends BimComponent {
    private dialogId = 'walk-plan-view-dialog';
    private dialog: BimDialog | null = null;
    private panel: WalkPlanViewPanel | null = null;

    constructor(engine: BimEngine) {
        super(engine);
    }

    public init(): void {
        // 可以在这里监听事件
    }

    /**
     * 显示弹窗
     */
    public show(): void {
        if (!this.engine.dialog || !this.engine.container) {
            console.warn('Dialog manager or container is not initialized');
            return;
        }

        // 如果已打开，先销毁
        this.destroy();

        // 创建面板（暂时空内容）
        this.panel = new WalkPlanViewPanel();
        this.panel.init();

        const dialogWidth = 300;
        const dialogHeight = 400;
        const paddingLeft = 20;
        const paddingBottom = 20;
        const container = this.engine.container;
        const containerHeight = container.clientHeight;

        // 左下角：left: 20px, bottom: 20px
        const x = paddingLeft;
        const y = containerHeight - dialogHeight - paddingBottom;

        this.dialog = this.engine.dialog.create({
            id: this.dialogId,
            title: 'walkControl.planView.dialogTitle',
            width: dialogWidth,
            height: dialogHeight,
            position: { x, y },
            draggable: true,
            resizable: false,
            content: this.panel.element,
            onClose: () => {
                // 通知主控制面板更新状态
                if (this.engine.walkControl && this.engine.walkControl.panel) {
                    this.engine.walkControl.panel.setPlanViewActive(false);
                }
                this.hide();
            }
        });
        this.dialog.init();
    }

    /**
     * 隐藏弹窗
     */
    public hide(): void {
        this.destroy();
    }

    /**
     * 销毁弹窗和面板
     */
    public destroy(): void {
        // 先保存 dialog 引用，避免在回调中重复调用
        const dialog = this.dialog;

        // 立即清空引用，防止递归
        this.dialog = null;

        // 关闭弹窗
        if (dialog) {
            dialog.destroy();
        }

        // 销毁面板
        if (this.panel) {
            this.panel.destroy();
            this.panel = null;
        }
    }
}