import React, { useState, useEffect } from 'react';
import { Organization } from '../types';
import { Icons } from '../components/IconSet';
import { dbService } from '../services/DatabaseService';

const OrgCard = ({ org, onClick }: { org: Organization; onClick: () => void }) => (
  <div 
    onClick={onClick}
    className="bg-surface border border-border rounded-xl p-6 hover:border-accentInfo/40 transition-all duration-200 hover:shadow-card group flex flex-col h-full relative overflow-hidden cursor-pointer"
  >
     <div className="flex justify-between items-start mb-4">
        <div className={`w-10 h-10 rounded-lg flex items-center justify-center text-lg font-bold border border-white/5 ${
            org.type === 'City' ? 'bg-blue-500/10 text-blue-400' :
            org.type === 'Guild' ? 'bg-amber-500/10 text-amber-400' :
            'bg-purple-500/10 text-purple-400'
        }`}>
            {org.name.charAt(0)}
        </div>
        <span className={`text-[10px] uppercase font-bold px-2 py-0.5 rounded-full border ${
            org.status === 'active' ? 'bg-accentSuccess/10 text-accentSuccess border-accentSuccess/20' : 'bg-textMuted/10 text-textMuted border-textMuted/20'
        }`}>
            {org.status}
        </span>
     </div>

     <h3 className="text-xl font-bold text-textMain mb-1 group-hover:text-accentInfo transition-colors">
        {org.name}
     </h3>
     <div className="text-xs text-textMuted font-mono mb-4">{org.type}</div>

     <p className="text-sm text-textMuted mb-6 flex-1 leading-relaxed">
        {org.description}
     </p>

     <div className="pt-4 border-t border-white/5 flex items-center gap-4 text-xs text-textMuted">
        <div className="flex items-center gap-2">
            <Icons.Users className="w-4 h-4" />
            <span>{org.memberCount} Mitglieder</span>
        </div>
     </div>
  </div>
);

const Organizations: React.FC<{ onSelectOrg: (id: string) => void }> = ({ onSelectOrg }) => {
  const [filter, setFilter] = useState<'all' | Organization['type']>('all');
  const [orgs, setOrgs] = useState<Organization[]>([]);
  const [loading, setLoading] = useState(true);

  useEffect(() => {
    const loadData = async () => {
      setLoading(true);
      try {
        await dbService.fetchAll();
      } catch (error) {
        console.warn('Failed to fetch fresh data:', error);
        // Continue with cached data
      }
      setLoading(false);
    };

    const loadOrgs = () => {
      const allOrgs = dbService.getOrgs();
      setOrgs(allOrgs);
    };

    // Load fresh data on mount
    loadData();

    // Subscribe to updates
    const unsub = dbService.subscribe(loadOrgs);
    return unsub;
  }, []);

  const filteredOrgs = orgs.filter(org =>
    filter === 'all' ? true : org.type === filter
  );

  const tabs = [
    { id: 'all', label: 'Alle Organisationen' },
    { id: 'City', label: 'Städte' },
    { id: 'Guild', label: 'Gilden' },
    { id: 'Company', label: 'Firmen' },
  ];

  return (
    <div className="space-y-8 animate-in fade-in slide-in-from-bottom-2">
      <div className="flex flex-col md:flex-row md:items-center justify-between gap-4">
        <div>
           <h1 className="text-3xl font-bold mb-1">Organisationen</h1>
           <p className="text-textMuted">Offizielle Fraktionen, Städte und registrierte Gilden.</p>
        </div>
        <button className="bg-textMain text-background hover:bg-white font-medium px-4 py-2 rounded-lg text-sm transition-colors flex items-center gap-2">
          <span>+ Org registrieren</span>
        </button>
      </div>

       <div className="flex flex-wrap gap-2 border-b border-border pb-1">
        {tabs.map(tab => (
          <button
            key={tab.id}
            onClick={() => setFilter(tab.id as any)}
            className={`px-4 py-2 text-sm font-medium rounded-t-lg transition-colors relative top-[1px] ${
              filter === tab.id
                ? 'text-textMain border-b-2 border-accentInfo bg-surfaceHighlight/20'
                : 'text-textMuted hover:text-textMain hover:bg-white/5'
            }`}
          >
            {tab.label}
          </button>
        ))}
      </div>

      {loading ? (
        <div className="flex justify-center py-20">
          <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-accentInfo"></div>
        </div>
      ) : (
        <>
          <div className="grid grid-cols-1 md:grid-cols-2 xl:grid-cols-3 gap-6">
            {filteredOrgs.map(org => (
              <div key={org.id}>
                <OrgCard org={org} onClick={() => onSelectOrg(org.id)} />
              </div>
            ))}
          </div>

          {filteredOrgs.length === 0 && (
            <div className="text-center py-20 text-textMuted">
              <p>Keine Organisationen gefunden.</p>
            </div>
          )}
        </>
      )}
    </div>
  );
};

export default Organizations;