/**
 * QuickActionBoard — reusable card grid for feature dashboards.
 *
 * Renders a set of Quick Action cards grouped by category.
 * Each card dispatches via the onDispatch callback; the parent
 * decides what happens (navigate to workspace, trigger workflow, etc.).
 */

import React from 'react';
import styles from './QuickActionBoard.module.css';
import { useLanguage } from '../../providers/language/LanguageContext';

// ============================================================================
// TYPES
// ============================================================================

export interface QuickAction {
  id: string;
  label: string;
  description: string;
  icon: string;
  color: string;
  category: string;
  actionType: 'agentPrompt' | 'workflow' | 'link';
  config: Record<string, any>;
  sortOrder: number;
}

export interface QuickActionCategory {
  id: string;
  label: string;
  sortOrder: number;
}

export interface QuickActionBoardProps {
  actions: QuickAction[];
  categories?: QuickActionCategory[];
  onDispatch: (action: QuickAction) => void;
  loading?: boolean;
  grouped?: boolean;
}

// ============================================================================
// ICON MAP (mdi name → unicode/emoji fallback)
// ============================================================================

const _ICON_MAP: Record<string, string> = {
  'mdi-file-document-check-outline': '\uD83D\uDCCB',
  'mdi-sync': '\uD83D\uDD04',
  'mdi-chart-bar': '\uD83D\uDCCA',
  'mdi-view-dashboard-outline': '\uD83D\uDCF0',
  'mdi-cash-multiple': '\uD83D\uDCB0',
  'mdi-clipboard-check-outline': '\u2705',
  'mdi-chart-timeline-variant': '\uD83D\uDCC8',
  'mdi-camera-document-outline': '\uD83D\uDCF7',
};

function _renderIcon(icon: string, color: string): React.ReactNode {
  const fallback = _ICON_MAP[icon] || '\u26A1';
  return (
    <span className={styles.actionIcon} style={{ color }}>
      {fallback}
    </span>
  );
}

// ============================================================================
// COMPONENT
// ============================================================================

export const QuickActionBoard: React.FC<QuickActionBoardProps> = ({
  actions,
  categories,
  onDispatch,
  loading = false,
  grouped = true,
}) => {
  const { t } = useLanguage();

  if (loading) {
    return (
      <div className={styles.board}>
        <h3 className={styles.boardTitle}>{t('Schnellaktionen')}</h3>
        <div className={styles.grid}>
          {[1, 2, 3, 4].map((i) => (
            <div key={i} className={`${styles.card} ${styles.cardSkeleton}`}>
              <div className={styles.skeletonIcon} />
              <div className={styles.skeletonText} />
              <div className={styles.skeletonTextShort} />
            </div>
          ))}
        </div>
      </div>
    );
  }

  if (!actions || actions.length === 0) {
    return null;
  }

  const _handleClick = (action: QuickAction) => (e: React.MouseEvent) => {
    e.preventDefault();
    onDispatch(action);
  };

  if (!grouped || !categories || categories.length === 0) {
    return (
      <div className={styles.board}>
        <h3 className={styles.boardTitle}>{t('Schnellaktionen')}</h3>
        <div className={styles.grid}>
          {actions.map((action) => (
            <button
              key={action.id}
              className={styles.card}
              onClick={_handleClick(action)}
              title={action.description}
            >
              {_renderIcon(action.icon, action.color)}
              <span className={styles.actionLabel}>{action.label}</span>
              <span className={styles.actionDescription}>{action.description}</span>
            </button>
          ))}
        </div>
      </div>
    );
  }

  const sortedCategories = [...categories].sort((a, b) => a.sortOrder - b.sortOrder);
  const actionsByCategory = new Map<string, QuickAction[]>();
  for (const action of actions) {
    const cat = action.category || '_uncategorized';
    if (!actionsByCategory.has(cat)) actionsByCategory.set(cat, []);
    actionsByCategory.get(cat)!.push(action);
  }

  return (
    <div className={styles.board}>
      <h3 className={styles.boardTitle}>{t('Schnellaktionen')}</h3>
      {sortedCategories.map((cat) => {
        const catActions = actionsByCategory.get(cat.id);
        if (!catActions || catActions.length === 0) return null;
        return (
          <div key={cat.id} className={styles.categorySection}>
            <h4 className={styles.categoryTitle}>{cat.label}</h4>
            <div className={styles.grid}>
              {catActions.map((action) => (
                <button
                  key={action.id}
                  className={styles.card}
                  onClick={_handleClick(action)}
                  title={action.description}
                >
                  {_renderIcon(action.icon, action.color)}
                  <span className={styles.actionLabel}>{action.label}</span>
                  <span className={styles.actionDescription}>{action.description}</span>
                </button>
              ))}
            </div>
          </div>
        );
      })}
    </div>
  );
};

export default QuickActionBoard;