import './index.css';
import type { ThemeConfig } from '../../themes/types';
import { IBimComponent } from '../../types/component';
import { localeManager, t } from '../../services/locale';
import { themeManager } from '../../services/theme';
import type { SectionPlanePanelOptions } from './types';

/**
 * 拾取面剖切面板组件
 * 包含三个操作按钮：隐藏、反向、重置
 */
export class SectionPlanePanel implements IBimComponent {
    public element: HTMLElement;
    private options: SectionPlanePanelOptions;

    // DOM 引用
    private hideBtn!: HTMLButtonElement;
    private reverseBtn!: HTMLButtonElement;
    private resetBtn!: HTMLButtonElement;
    private hideLabelEl!: HTMLElement;
    private reverseLabelEl!: HTMLElement;
    private resetLabelEl!: HTMLElement;

    // 订阅清理
    private unsubscribeLocale: (() => void) | null = null;
    private unsubscribeTheme: (() => void) | null = null;

    constructor(options: SectionPlanePanelOptions = {}) {
        this.options = options;
        this.element = this.createDom();
    }

    /**
     * 初始化组件
     */
    public init(): void {
        // 订阅语言变更
        this.unsubscribeLocale = localeManager.subscribe(() => {
            this.setLocales();
        });

        // 订阅主题变更
        this.unsubscribeTheme = themeManager.subscribe((theme) => {
            this.setTheme(theme);
        });

        // 初始应用
        this.setLocales();
        this.setTheme(themeManager.getTheme());
    }

    /**
     * 设置主题
     */
    public setTheme(theme: ThemeConfig): void {
        const style = this.element.style;
        style.setProperty('--bim-section-btn-bg', theme.componentBackground ?? 'rgba(255, 255, 255, 0.06)');
        style.setProperty('--bim-section-btn-hover', theme.componentHover ?? 'rgba(255, 255, 255, 0.10)');
        style.setProperty('--bim-section-btn-active', theme.componentActive ?? 'rgba(255, 255, 255, 0.14)');
        style.setProperty('--bim-primary-color', theme.primary ?? '#1890ff');
        style.setProperty('--bim-icon-color', theme.icon ?? '#ccc');
        style.setProperty('--bim-text-color', theme.textSecondary ?? 'rgba(255, 255, 255, 0.90)');
        style.setProperty('--bim-text-active-color', theme.textPrimary ?? '#fff');
    }

    /**
     * 设置语言
     */
    public setLocales(): void {
        this.hideLabelEl.textContent = t('sectionPlane.actions.hide');
        this.reverseLabelEl.textContent = t('sectionPlane.actions.reverse');
        this.resetLabelEl.textContent = t('sectionPlane.actions.reset');

        this.hideBtn.title = t('sectionPlane.actions.hide');
        this.reverseBtn.title = t('sectionPlane.actions.reverse');
        this.resetBtn.title = t('sectionPlane.actions.reset');
    }

    /**
     * 销毁组件
     */
    public destroy(): void {
        if (this.unsubscribeLocale) {
            this.unsubscribeLocale();
            this.unsubscribeLocale = null;
        }
        if (this.unsubscribeTheme) {
            this.unsubscribeTheme();
            this.unsubscribeTheme = null;
        }
        this.element.remove();
    }

    /**
     * 创建 DOM
     */
    private createDom(): HTMLElement {
        const root = document.createElement('div');
        root.className = 'section-plane-panel';

        // 隐藏按钮
        this.hideBtn = this.createButton(
            'hide',
            '<svg viewBox="0 0 24 24"><path fill="currentColor" d="M12 7c2.76 0 5 2.24 5 5 0 .65-.13 1.26-.36 1.83l2.92 2.92c1.51-1.26 2.7-2.89 3.43-4.75-1.73-4.39-6-7.5-11-7.5-1.4 0-2.74.25-3.98.7l2.16 2.16C10.74 7.13 11.35 7 12 7zM2 4.27l2.28 2.28.46.46A11.804 11.804 0 0 0 1 12c1.73 4.39 6 7.5 11 7.5 1.55 0 3.03-.3 4.38-.84l.42.42L19.73 22 21 20.73 3.27 3 2 4.27zM7.53 9.8l1.55 1.55c-.05.21-.08.43-.08.65 0 1.66 1.34 3 3 3 .22 0 .44-.03.65-.08l1.55 1.55c-.67.33-1.41.53-2.2.53-2.76 0-5-2.24-5-5 0-.79.2-1.53.53-2.2zm4.31-.78l3.15 3.15.02-.16c0-1.66-1.34-3-3-3l-.17.01z"/></svg>',
            () => {
                if (this.options.onHide) {
                    this.options.onHide();
                }
            }
        );

        // 反向按钮
        this.reverseBtn = this.createButton(
            'reverse',
            '<svg viewBox="0 0 24 24"><path fill="currentColor" d="M9 3L5 6.99h3V14h2V6.99h3L9 3zm7 14.01V10h-2v7.01h-3L15 21l4-3.99h-3z"/></svg>',
            () => {
                if (this.options.onReverse) {
                    this.options.onReverse();
                }
            }
        );

        // 重置按钮
        this.resetBtn = this.createButton(
            'reset',
            '<svg viewBox="0 0 24 24"><path fill="currentColor" d="M17.65 6.35C16.2 4.9 14.21 4 12 4c-4.42 0-7.99 3.58-7.99 8s3.57 8 7.99 8c3.73 0 6.84-2.55 7.73-6h-2.08c-.82 2.33-3.04 4-5.65 4-3.31 0-6-2.69-6-6s2.69-6 6-6c1.66 0 3.14.69 4.22 1.78L13 11h7V4l-2.35 2.35z"/></svg>',
            () => {
                if (this.options.onReset) {
                    this.options.onReset();
                }
            }
        );

        root.appendChild(this.hideBtn);
        root.appendChild(this.reverseBtn);
        root.appendChild(this.resetBtn);

        return root;
    }

    /**
     * 创建按钮
     */
    private createButton(type: 'hide' | 'reverse' | 'reset', iconSvg: string, onClick: () => void): HTMLButtonElement {
        const btn = document.createElement('button');
        btn.type = 'button';
        btn.className = 'section-plane-btn';

        // 图标
        const icon = document.createElement('div');
        icon.className = 'section-plane-btn-icon';
        icon.innerHTML = iconSvg;
        btn.appendChild(icon);

        // 标签
        const label = document.createElement('div');
        label.className = 'section-plane-btn-label';
        btn.appendChild(label);

        // 保存 label 引用
        if (type === 'hide') {
            this.hideLabelEl = label;
        } else if (type === 'reverse') {
            this.reverseLabelEl = label;
        } else {
            this.resetLabelEl = label;
        }

        // 点击事件
        btn.addEventListener('click', onClick);

        return btn;
    }
}
