import React, { useState } from 'react';
import { Button } from '../../ui/button';
import { X, Search, Plus, Check } from 'lucide-react';
import { useToast } from '../../../context/ToastContext';

interface AddToPlaylistModalProps {
  onClose: () => void;
  onAdd: (playlistIds: string[]) => void;
}

// Mock user playlists
const MOCK_USER_PLAYLISTS: any[] = [
  {
    id: 'p1',
    title: 'Cyberpunk Essentials',
    creator: 'Cyber_Producer',
    userId: 'u1',
    is_public: true,
    cover_url: 'https://picsum.photos/100',
    track_count: 45,
    likes: 120,
    tags: [],
  },
  {
    id: 'p2',
    title: 'Late Night Coding',
    creator: 'Cyber_Producer',
    userId: 'u1',
    is_public: false,
    cover_url: 'https://picsum.photos/101',
    track_count: 22,
    likes: 15,
    tags: [],
  },
  {
    id: 'p3',
    title: 'Gym Phonk',
    creator: 'Cyber_Producer',
    userId: 'u1',
    is_public: true,
    cover_url: 'https://picsum.photos/102',
    track_count: 105,
    likes: 300,
    tags: [],
  },
];

export const AddToPlaylistModal: React.FC<AddToPlaylistModalProps> = ({
  onClose,
  onAdd,
}) => {
  const { addToast } = useToast();
  const [search, setSearch] = useState('');
  const [selectedIds, setSelectedIds] = useState<string[]>([]);

  const filteredPlaylists = MOCK_USER_PLAYLISTS.filter((p) =>
    p.title.toLowerCase().includes(search.toLowerCase()),
  );

  const toggleSelection = (id: string) => {
    setSelectedIds((prev) =>
      prev.includes(id) ? prev.filter((pid) => pid !== id) : [...prev, id],
    );
  };

  const handleConfirm = () => {
    if (selectedIds.length === 0) return;
    onAdd(selectedIds);
    onClose();
  };

  return (
    <div className="fixed inset-0 z-[100] flex items-center justify-center p-4">
      <div
        className="absolute inset-0 bg-kodo-void/90 backdrop-blur-sm"
        onClick={onClose}
      ></div>
      <div className="relative w-full max-w-md bg-kodo-graphite border border-kodo-steel rounded-xl shadow-2xl animate-scaleIn overflow-hidden flex flex-col max-h-[70vh]">
        <div className="p-4 border-b border-kodo-steel bg-kodo-ink flex justify-between items-center">
          <h3 className="font-bold text-white">Add to Playlist</h3>
          <button onClick={onClose}>
            <X className="w-5 h-5 text-kodo-content-dim hover:text-white" />
          </button>
        </div>

        <div className="p-4">
          <div className="relative mb-4">
            <input
              className="w-full bg-kodo-void border border-kodo-steel rounded-lg py-2 pl-9 pr-4 text-white text-sm focus:border-kodo-steel outline-none"
              placeholder="Find playlist"
              value={search}
              onChange={(e) => setSearch(e.target.value)}
              autoFocus
            />
            <Search className="absolute left-3 top-1/2 -translate-y-1/2 w-4 h-4 text-kodo-content-dim" />
          </div>

          <Button
            variant="ghost"
            className="w-full justify-start border border-dashed border-kodo-steel mb-4 hover:border-kodo-steel/50 hover:text-white group"
            onClick={() => addToast('New Playlist Flow')}
          >
            <div className="w-8 h-8 bg-kodo-steel rounded flex items-center justify-center mr-3 group-hover:bg-white/5">
              <Plus className="w-4 h-4" />
            </div>
            <span className="text-sm font-bold">New Playlist</span>
          </Button>

          <div className="space-y-1 overflow-y-auto max-h-64 custom-scrollbar">
            {filteredPlaylists.map((playlist) => (
              <div
                key={playlist.id}
                onClick={() => toggleSelection(playlist.id)}
                className={`flex items-center p-2 rounded cursor-pointer group transition-colors ${selectedIds.includes(playlist.id) ? 'bg-kodo-cyan/10' : 'hover:bg-white/5'}`}
              >
                <img
                  src={playlist.cover_url}
                  className="w-10 h-10 rounded object-cover mr-3"
                />
                <div className="flex-1 min-w-0">
                  <div
                    className={`text-sm font-bold truncate ${selectedIds.includes(playlist.id) ? 'text-kodo-cyan' : 'text-white'}`}
                  >
                    {playlist.title}
                  </div>
                  <div className="text-xs text-kodo-content-dim">
                    {playlist.track_count} tracks
                  </div>
                </div>
                <div
                  className={`w-5 h-5 rounded-full border flex items-center justify-center ${selectedIds.includes(playlist.id) ? 'bg-kodo-cyan border-kodo-cyan' : 'border-kodo-steel'}`}
                >
                  {selectedIds.includes(playlist.id) && (
                    <Check className="w-3 h-3 text-black" />
                  )}
                </div>
              </div>
            ))}
          </div>
        </div>

        <div className="p-4 border-t border-kodo-steel bg-kodo-ink flex justify-end">
          <Button
            variant="primary"
            onClick={handleConfirm}
            disabled={selectedIds.length === 0}
          >
            Done
          </Button>
        </div>
      </div>
    </div>
  );
};