import {
  DeesElement,
  customElement,
  html,
  css,
  cssManager,
  property,
  type TemplateResult,
} from '@design.estate/dees-element';
import type { ISgRepository, ISgPackage } from '../interfaces.js';
import './sg-protocol-badge.js';

declare global {
  interface HTMLElementTagNameMap {
    'sg-repository-detail-view': SgRepositoryDetailView;
  }
}

@customElement('sg-repository-detail-view')
export class SgRepositoryDetailView extends DeesElement {
  public static demo = () => html`
    <div style="padding: 24px; max-width: 1200px; background: #09090b;">
      <sg-repository-detail-view
        .repository=${{
          id: 'r1',
          organizationId: 'org1',
          name: 'npm-packages',
          description: 'Organization NPM package repository for internal and public libraries.',
          protocol: 'npm',
          visibility: 'public',
          isPublic: true,
          packageCount: 5,
          createdAt: '2025-06-15',
        }}
        .packages=${[
          { id: 'p1', name: '@myorg/web-framework', protocol: 'npm', organizationId: 'org1', repositoryId: 'r1', latestVersion: '3.2.1', isPrivate: false, downloadCount: 12400, updatedAt: '2026-03-19T10:30:00Z', description: 'Modern web framework' },
          { id: 'p2', name: '@myorg/auth-client', protocol: 'npm', organizationId: 'org1', repositoryId: 'r1', latestVersion: '1.0.8', isPrivate: false, downloadCount: 5200, updatedAt: '2026-03-18T14:00:00Z', description: 'Authentication client library' },
          { id: 'p3', name: '@myorg/data-utils', protocol: 'npm', organizationId: 'org1', repositoryId: 'r1', latestVersion: '2.4.0', isPrivate: true, downloadCount: 890, updatedAt: '2026-03-15T08:45:00Z' },
        ]}
      ></sg-repository-detail-view>
    </div>
  `;

  public static demoGroups = ['Repositories'];

  @property({ type: Object })
  public accessor repository: ISgRepository = {
    id: '',
    organizationId: '',
    name: '',
    protocol: 'npm',
    visibility: 'public',
    isPublic: true,
    packageCount: 0,
    createdAt: '',
  };

  @property({ type: Array })
  public accessor packages: ISgPackage[] = [];

  public static styles = [
    cssManager.defaultStyles,
    css`
      :host {
        display: block;
        color: ${cssManager.bdTheme('#111', '#fff')};
      }

      .container {
        display: flex;
        flex-direction: column;
        gap: 24px;
      }

      .back-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 0;
        background: transparent;
        border: none;
        font-size: 13px;
        color: ${cssManager.bdTheme('#666', '#999')};
        cursor: pointer;
        transition: color 150ms ease;
      }

      .back-btn:hover {
        color: ${cssManager.bdTheme('#111', '#fff')};
      }

      /* Repo header */
      .repo-header {
        display: flex;
        flex-direction: column;
        gap: 12px;
        padding: 24px;
        background: ${cssManager.bdTheme('#fff', '#111')};
        border: 1px solid ${cssManager.bdTheme('#e5e5e5', '#333')};
      }

      .repo-title-row {
        display: flex;
        align-items: center;
        gap: 12px;
      }

      .repo-name {
        font-size: 22px;
        font-weight: 700;
        font-family: 'JetBrains Mono', monospace;
        letter-spacing: -0.01em;
      }

      .repo-description {
        font-size: 14px;
        color: ${cssManager.bdTheme('#666', '#aaa')};
        line-height: 1.5;
      }

      .repo-meta {
        display: flex;
        gap: 16px;
        font-size: 13px;
        color: ${cssManager.bdTheme('#888', '#777')};
        flex-wrap: wrap;
      }

      .visibility-tag {
        font-size: 11px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.04em;
        padding: 2px 8px;
      }

      .visibility-tag.public {
        background: rgba(34, 197, 94, 0.15);
        color: #22c55e;
      }

      .visibility-tag.private {
        background: rgba(239, 68, 68, 0.15);
        color: #ef4444;
      }

      .visibility-tag.internal {
        background: rgba(59, 130, 246, 0.15);
        color: #3b82f6;
      }

      /* Package list */
      .packages-section {
        display: flex;
        flex-direction: column;
        gap: 12px;
      }

      .section-title {
        font-size: 16px;
        font-weight: 600;
      }

      .package-list {
        display: flex;
        flex-direction: column;
        border: 1px solid ${cssManager.bdTheme('#e5e5e5', '#333')};
      }

      .package-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 16px;
        background: ${cssManager.bdTheme('#fff', '#111')};
        border-bottom: 1px solid ${cssManager.bdTheme('#e5e5e5', '#333')};
        cursor: pointer;
        transition: background 100ms ease;
      }

      .package-row:last-child {
        border-bottom: none;
      }

      .package-row:hover {
        background: ${cssManager.bdTheme('#fafafa', '#1a1a1a')};
      }

      .package-info {
        display: flex;
        flex-direction: column;
        gap: 4px;
        min-width: 0;
      }

      .package-name {
        font-size: 14px;
        font-weight: 600;
        font-family: 'JetBrains Mono', monospace;
        color: ${cssManager.bdTheme('#111', '#fff')};
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .package-description {
        font-size: 13px;
        color: ${cssManager.bdTheme('#666', '#aaa')};
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
      }

      .package-right {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
      }

      .version-tag {
        font-size: 12px;
        font-family: 'JetBrains Mono', monospace;
        color: ${cssManager.bdTheme('#666', '#999')};
        background: ${cssManager.bdTheme('#f5f5f5', '#1a1a1a')};
        padding: 2px 8px;
        border: 1px solid ${cssManager.bdTheme('#e5e5e5', '#333')};
      }

      .download-count {
        font-size: 12px;
        color: ${cssManager.bdTheme('#888', '#777')};
        font-family: 'JetBrains Mono', monospace;
      }

      .private-badge {
        font-size: 10px;
        font-weight: 600;
        text-transform: uppercase;
        padding: 1px 5px;
        background: rgba(239, 68, 68, 0.15);
        color: #ef4444;
      }

      .empty-state {
        text-align: center;
        padding: 48px 32px;
        font-size: 14px;
        color: ${cssManager.bdTheme('#888', '#777')};
        border: 1px solid ${cssManager.bdTheme('#e5e5e5', '#333')};
        background: ${cssManager.bdTheme('#fff', '#111')};
      }
    `,
  ];

  public render(): TemplateResult {
    return html`
      <div class="container">
        <button class="back-btn" @click=${() => this.emitEvent('back', {})}>
          \u2190 Back to organization
        </button>

        <div class="repo-header">
          <div class="repo-title-row">
            <sg-protocol-badge .protocol=${this.repository.protocol}></sg-protocol-badge>
            <span class="repo-name">${this.repository.name}</span>
            <span class="visibility-tag ${this.repository.visibility}">${this.repository.visibility}</span>
          </div>
          ${this.repository.description
            ? html`<div class="repo-description">${this.repository.description}</div>`
            : ''}
          <div class="repo-meta">
            <span>${this.repository.packageCount} package${this.repository.packageCount !== 1 ? 's' : ''}</span>
            <span>Protocol: ${this.repository.protocol.toUpperCase()}</span>
            <span>Created: ${this.formatDate(this.repository.createdAt)}</span>
          </div>
        </div>

        <div class="packages-section">
          <div class="section-title">Packages</div>
          ${this.packages.length > 0
            ? html`
                <div class="package-list">
                  ${this.packages.map(
                    (pkg) => html`
                      <div class="package-row" @click=${() => this.emitEvent('select-package', { packageId: pkg.id })}>
                        <div class="package-info">
                          <div class="package-name">${pkg.name}</div>
                          ${pkg.description
                            ? html`<div class="package-description">${pkg.description}</div>`
                            : ''}
                        </div>
                        <div class="package-right">
                          ${pkg.isPrivate ? html`<span class="private-badge">Private</span>` : ''}
                          ${pkg.latestVersion ? html`<span class="version-tag">${pkg.latestVersion}</span>` : ''}
                          <span class="download-count">${this.formatNumber(pkg.downloadCount)} pulls</span>
                        </div>
                      </div>
                    `
                  )}
                </div>
              `
            : html`<div class="empty-state">No packages published to this repository yet.</div>`}
        </div>
      </div>
    `;
  }

  private formatNumber(n: number): string {
    if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)}M`;
    if (n >= 1_000) return `${(n / 1_000).toFixed(1)}K`;
    return n.toString();
  }

  private formatDate(dateStr: string): string {
    if (!dateStr) return '';
    try {
      return new Date(dateStr).toLocaleDateString('en-US', { year: 'numeric', month: 'short', day: 'numeric' });
    } catch {
      return dateStr;
    }
  }

  private emitEvent(name: string, detail: Record<string, unknown>) {
    this.dispatchEvent(new CustomEvent(name, { detail, bubbles: true, composed: true }));
  }
}