/**
 * SchoolCard Component
 * Displays school information with metrics and actions
 */

import Link from 'next/link';
import type { School } from '@/lib/types';
import { formatPercentage, formatProgress, calculateTrend, getTrendColor, schoolUrl } from '@/lib/utils';
import styles from './SchoolCard.module.css';

interface SchoolCardProps {
  school: School;
  onAddToCompare?: (school: School) => void;
  onRemoveFromCompare?: (urn: number) => void;
  showDistance?: boolean;
  distance?: number;
  isInCompare?: boolean;
}

export function SchoolCard({ school, onAddToCompare, onRemoveFromCompare, showDistance, distance, isInCompare = false }: SchoolCardProps) {
  const trend = calculateTrend(school.rwm_expected_pct, school.prev_rwm_expected_pct);
  const trendColor = getTrendColor(trend);

  return (
    <div className={`${styles.card} ${isInCompare ? styles.cardInCompare : ''}`}>
      <div className={styles.header}>
        <h3 className={styles.title}>
          <Link href={schoolUrl(school.urn, school.school_name)}>
            {school.school_name}
          </Link>
        </h3>
        {showDistance && distance !== undefined && (
          <span className={styles.distance}>
            {(distance / 1.60934).toFixed(1)} miles away
          </span>
        )}
      </div>

      <div className={styles.meta}>
        {school.local_authority && (
          <span className={styles.metaItem}>{school.local_authority}</span>
        )}
        {school.school_type && (
          <span className={styles.metaItem}>{school.school_type}</span>
        )}
        {school.religious_denomination && school.religious_denomination !== 'Does not apply' && (
          <span className={styles.metaItem}>{school.religious_denomination}</span>
        )}
      </div>

      {(school.rwm_expected_pct != null || school.attainment_8_score != null || school.reading_progress !== null) && (
        <div className={styles.metrics}>
          {/* KS4 card metrics for secondary schools */}
          {school.attainment_8_score != null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                Attainment 8
                <span className={styles.metricHint}>avg grade across best 8 GCSEs</span>
              </span>
              <div className={styles.metricValue}>
                <strong>{school.attainment_8_score.toFixed(1)}</strong>
              </div>
            </div>
          )}
          {school.english_maths_standard_pass_pct != null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                English &amp; Maths Grade 4+
                <span className={styles.metricHint}>% standard pass in both</span>
              </span>
              <div className={styles.metricValue}>
                <strong>{formatPercentage(school.english_maths_standard_pass_pct)}</strong>
              </div>
            </div>
          )}
          {school.rwm_expected_pct !== null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                Reading, Writing &amp; Maths
                <span className={styles.metricHint}>% meeting expected standard</span>
              </span>
              <div className={styles.metricValue}>
                <strong>{formatPercentage(school.rwm_expected_pct)}</strong>
                {school.prev_rwm_expected_pct !== null && (
                  <span
                    className={`${styles.trend} ${styles[`trend${trend.charAt(0).toUpperCase() + trend.slice(1)}`]}`}
                    title={`Previous year: ${formatPercentage(school.prev_rwm_expected_pct)}`}
                  >
                    {trend === 'up' && (
                      <svg viewBox="0 0 16 16" fill="none" className={styles.trendIcon} aria-label="Trend up">
                        <path
                          d="M8 3L14 10H2L8 3Z"
                          fill="currentColor"
                        />
                      </svg>
                    )}
                    {trend === 'down' && (
                      <svg viewBox="0 0 16 16" fill="none" className={styles.trendIcon} aria-label="Trend down">
                        <path
                          d="M8 13L2 6H14L8 13Z"
                          fill="currentColor"
                        />
                      </svg>
                    )}
                    {trend === 'stable' && (
                      <svg viewBox="0 0 16 16" fill="none" className={styles.trendIcon} aria-label="Trend stable">
                        <rect x="2" y="7" width="12" height="2" rx="1" fill="currentColor" />
                      </svg>
                    )}
                  </span>
                )}
              </div>
            </div>
          )}

          {school.reading_progress !== null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                Reading
                <span className={styles.metricHint}>progress score (0 = avg)</span>
              </span>
              <strong>{formatProgress(school.reading_progress)}</strong>
            </div>
          )}

          {school.writing_progress !== null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                Writing
                <span className={styles.metricHint}>progress score (0 = avg)</span>
              </span>
              <strong>{formatProgress(school.writing_progress)}</strong>
            </div>
          )}

          {school.maths_progress !== null && (
            <div className={styles.metric}>
              <span className={styles.metricLabel}>
                Maths
                <span className={styles.metricHint}>progress score (0 = avg)</span>
              </span>
              <strong>{formatProgress(school.maths_progress)}</strong>
            </div>
          )}
        </div>
      )}

      <div className={styles.actions}>
        <Link href={schoolUrl(school.urn, school.school_name)} className="btn btn-primary">
          View Details
        </Link>
        {onAddToCompare && (
          <button
            onClick={() => isInCompare ? onRemoveFromCompare?.(school.urn) : onAddToCompare(school)}
            className={isInCompare ? 'btn btn-active' : 'btn btn-secondary'}
          >
            {isInCompare ? '✓ Comparing' : '+ Compare'}
          </button>
        )}
      </div>
    </div>
  );
}
