import { html, cssManager, css, DeesElement, customElement, state } from '@design.estate/dees-element';
import * as interfaces from '../../interfaces/index.js';
import type { DeesAppuiTabs } from './dees-appui-tabs.js';

// Interactive demo component for closeable tabs
@customElement('demo-closeable-tabs')
class DemoCloseableTabs extends DeesElement {
  @state()
  accessor tabs: interfaces.IMenuItem[] = [
    { key: 'Main', iconName: 'lucide:home', action: () => console.log('Main clicked') },
  ];

  @state()
  accessor tabCounter: number = 0;

  static styles = [
    css`
      :host {
        display: block;
      }
      .controls {
        display: flex;
        gap: 8px;
        margin-top: 16px;
      }
      button {
        background: ${cssManager.bdTheme('rgba(59, 130, 246, 0.1)', 'rgba(59, 130, 246, 0.1)')};
        border: 1px solid ${cssManager.bdTheme('rgba(59, 130, 246, 0.3)', 'rgba(59, 130, 246, 0.3)')};
        color: ${cssManager.bdTheme('#3b82f6', '#60a5fa')};
        padding: 8px 16px;
        border-radius: 6px;
        cursor: pointer;
        font-size: 13px;
        transition: all 0.15s ease;
      }
      button:hover {
        background: ${cssManager.bdTheme('rgba(59, 130, 246, 0.2)', 'rgba(59, 130, 246, 0.2)')};
      }
      .info {
        margin-top: 16px;
        padding: 12px 16px;
        background: ${cssManager.bdTheme('rgba(0,0,0,0.02)', 'rgba(255,255,255,0.02)')};
        border-radius: 6px;
        font-size: 13px;
        color: ${cssManager.bdTheme('#71717a', '#a1a1aa')};
      }
    `
  ];

  private addTab() {
    this.tabCounter++;
    const tabKey = `Document ${this.tabCounter}`;
    this.tabs = [
      ...this.tabs,
      {
        key: tabKey,
        iconName: 'lucide:file',
        action: () => console.log(`${tabKey} clicked`),
        closeable: true,
        onClose: () => this.removeTab(tabKey)
      }
    ];
  }

  private removeTab(tabKey: string) {
    this.tabs = this.tabs.filter(t => t.key !== tabKey);
  }

  render() {
    return html`
      <dees-appui-tabs
        .tabs=${this.tabs}
        @tab-close=${(e: CustomEvent) => this.removeTab(e.detail.tab.key)}
      ></dees-appui-tabs>
      <div class="controls">
        <button @click=${() => this.addTab()}>+ Add New Tab</button>
      </div>
      <div class="info">
        Click the X button on tabs to close them. The "Main" tab is not closeable.
        <br>Current tabs: ${this.tabs.length}
      </div>
    `;
  }
}

// Interactive demo for auto-hide feature
@customElement('demo-autohide-tabs')
class DemoAutoHideTabs extends DeesElement {
  @state()
  accessor tabs: interfaces.IMenuItem[] = [
    { key: 'Tab 1', iconName: 'lucide:file', action: () => console.log('Tab 1') },
    { key: 'Tab 2', iconName: 'lucide:file', action: () => console.log('Tab 2') },
  ];

  @state()
  accessor autoHide: boolean = true;

  @state()
  accessor threshold: number = 1;

  static styles = [
    css`
      :host {
        display: block;
      }
      .tabs-container {
        min-height: 60px;
        border: 1px dashed ${cssManager.bdTheme('#e5e7eb', '#27272a')};
        border-radius: 6px;
        display: flex;
        align-items: center;
        justify-content: center;
      }
      .tabs-container dees-appui-tabs {
        width: 100%;
      }
      .placeholder {
        color: ${cssManager.bdTheme('#a1a1aa', '#71717a')};
        font-size: 13px;
        font-style: italic;
      }
      .controls {
        display: flex;
        gap: 8px;
        margin-top: 16px;
        flex-wrap: wrap;
      }
      button {
        background: ${cssManager.bdTheme('rgba(59, 130, 246, 0.1)', 'rgba(59, 130, 246, 0.1)')};
        border: 1px solid ${cssManager.bdTheme('rgba(59, 130, 246, 0.3)', 'rgba(59, 130, 246, 0.3)')};
        color: ${cssManager.bdTheme('#3b82f6', '#60a5fa')};
        padding: 8px 16px;
        border-radius: 6px;
        cursor: pointer;
        font-size: 13px;
        transition: all 0.15s ease;
      }
      button:hover {
        background: ${cssManager.bdTheme('rgba(59, 130, 246, 0.2)', 'rgba(59, 130, 246, 0.2)')};
      }
      button.danger {
        background: ${cssManager.bdTheme('rgba(239, 68, 68, 0.1)', 'rgba(239, 68, 68, 0.1)')};
        border-color: ${cssManager.bdTheme('rgba(239, 68, 68, 0.3)', 'rgba(239, 68, 68, 0.3)')};
        color: ${cssManager.bdTheme('#ef4444', '#f87171')};
      }
      button.danger:hover {
        background: ${cssManager.bdTheme('rgba(239, 68, 68, 0.2)', 'rgba(239, 68, 68, 0.2)')};
      }
      .info {
        margin-top: 16px;
        padding: 12px 16px;
        background: ${cssManager.bdTheme('rgba(0,0,0,0.02)', 'rgba(255,255,255,0.02)')};
        border-radius: 6px;
        font-size: 13px;
        color: ${cssManager.bdTheme('#71717a', '#a1a1aa')};
      }
    `
  ];

  private tabCounter = 2;

  private addTab() {
    this.tabCounter++;
    this.tabs = [...this.tabs, {
      key: `Tab ${this.tabCounter}`,
      iconName: 'lucide:file',
      action: () => console.log(`Tab ${this.tabCounter}`)
    }];
  }

  private removeLastTab() {
    if (this.tabs.length > 0) {
      this.tabs = this.tabs.slice(0, -1);
    }
  }

  private clearTabs() {
    this.tabs = [];
  }

  render() {
    const shouldHide = this.autoHide && this.tabs.length <= this.threshold;

    return html`
      <div class="tabs-container">
        ${shouldHide
          ? html`<span class="placeholder">Tabs hidden (${this.tabs.length} tabs ≤ threshold ${this.threshold})</span>`
          : html`<dees-appui-tabs
              .tabs=${this.tabs}
              .autoHide=${this.autoHide}
              .autoHideThreshold=${this.threshold}
            ></dees-appui-tabs>`
        }
      </div>
      <div class="controls">
        <button @click=${() => this.addTab()}>+ Add Tab</button>
        <button class="danger" @click=${() => this.removeLastTab()}>- Remove Tab</button>
        <button class="danger" @click=${() => this.clearTabs()}>Clear All</button>
        <button @click=${() => { this.threshold = 0; }}>Threshold: 0</button>
        <button @click=${() => { this.threshold = 1; }}>Threshold: 1</button>
        <button @click=${() => { this.threshold = 2; }}>Threshold: 2</button>
      </div>
      <div class="info">
        Auto-hide: ${this.autoHide ? 'ON' : 'OFF'} | Threshold: ${this.threshold} | Tabs: ${this.tabs.length}
        <br>Tabs will hide when count ≤ threshold.
      </div>
    `;
  }
}

export const demoFunc = () => {
  const horizontalTabs: interfaces.IMenuItem[] = [
    { key: 'Home', iconName: 'lucide:home', action: () => console.log('Home clicked') },
    { key: 'Analytics Dashboard', iconName: 'lucide:lineChart', action: () => console.log('Analytics clicked') },
    { key: 'Reports', iconName: 'lucide:fileText', action: () => console.log('Reports clicked') },
    { key: 'User Settings', iconName: 'lucide:settings', action: () => console.log('Settings clicked') },
    { key: 'Help', iconName: 'lucide:helpCircle', action: () => console.log('Help clicked') },
  ];

  const verticalTabs: interfaces.IMenuItem[] = [
    { key: 'Profile', iconName: 'lucide:user', action: () => console.log('Profile clicked') },
    { key: 'Security', iconName: 'lucide:shield', action: () => console.log('Security clicked') },
    { key: 'Notifications', iconName: 'lucide:bell', action: () => console.log('Notifications clicked') },
    { key: 'Integrations', iconName: 'lucide:link', action: () => console.log('Integrations clicked') },
    { key: 'Advanced', iconName: 'lucide:code', action: () => console.log('Advanced clicked') },
  ];

  const noIndicatorTabs: interfaces.IMenuItem[] = [
    { key: 'All', action: () => console.log('All clicked') },
    { key: 'Active', action: () => console.log('Active clicked') },
    { key: 'Completed', action: () => console.log('Completed clicked') },
    { key: 'Archived', action: () => console.log('Archived clicked') },
  ];

  const demoContent = (text: string) => html`
    <div style="padding: 24px; color: ${cssManager.bdTheme('#71717a', '#a1a1aa')};">
      ${text}
    </div>
  `;

  return html`
    <style>
      .demo-container {
        display: flex;
        flex-direction: column;
        gap: 32px;
        padding: 48px;
        background: ${cssManager.bdTheme('#f8f9fa', '#0a0a0a')};
        min-height: 100vh;
      }

      .section {
        background: ${cssManager.bdTheme('#ffffff', '#18181b')};
        border: 1px solid ${cssManager.bdTheme('#e5e7eb', '#27272a')};
        border-radius: 8px;
        padding: 24px;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
      }

      .section-title {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 16px;
        color: ${cssManager.bdTheme('#09090b', '#fafafa')};
      }

      .two-column {
        display: grid;
        grid-template-columns: 200px 1fr;
        gap: 24px;
        align-items: start;
      }
    </style>
    <div class="demo-container">
      <div class="section">
        <div class="section-title">Horizontal Tabs with Animated Indicator</div>
        <dees-appui-tabs .tabs=${horizontalTabs}></dees-appui-tabs>
        ${demoContent('Select a tab to see the smooth sliding animation of the indicator. The indicator automatically adjusts its width to match the tab content with minimal padding.')}
      </div>

      <div class="section">
        <div class="section-title">Closeable Tabs (Browser-style)</div>
        <demo-closeable-tabs></demo-closeable-tabs>
      </div>

      <div class="section">
        <div class="section-title">Auto-hide Tabs</div>
        <demo-autohide-tabs></demo-autohide-tabs>
      </div>

      <div class="section">
        <div class="section-title">Vertical Tabs Layout</div>
        <div class="two-column">
          <dees-appui-tabs .tabStyle=${'vertical'} .tabs=${verticalTabs}></dees-appui-tabs>
          ${demoContent('Vertical tabs work great for settings pages and navigation menus. The animated indicator smoothly transitions between selections.')}
        </div>
      </div>

      <div class="section">
        <div class="section-title">Without Indicator</div>
        <dees-appui-tabs .showTabIndicator=${false} .tabs=${noIndicatorTabs}></dees-appui-tabs>
        ${demoContent('Tabs can also be used without the animated indicator by setting showTabIndicator to false.')}
      </div>
    </div>
  `;
};