"use client";

import { useState } from 'react';

interface LinkData {
  name: string;
  originalUrl: string;
  customSlug: string;
  expiresAt: string;
  tags: string[];
}

interface CreateLinkModalProps {
  onClose: () => void;
  onSubmit: (linkData: LinkData) => void;
}

export default function CreateLinkModal({ onClose, onSubmit }: CreateLinkModalProps) {
  const [formData, setFormData] = useState({
    name: '',
    originalUrl: '',
    customSlug: '',
    expiresAt: '',
    tags: [] as string[],
    tagInput: ''
  });
  
  const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) => {
    const { name, value } = e.target;
    setFormData(prev => ({
      ...prev,
      [name]: value
    }));
  };
  
  const handleTagKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
    if (e.key === 'Enter' && formData.tagInput.trim()) {
      e.preventDefault();
      addTag();
    }
  };
  
  const addTag = () => {
    if (formData.tagInput.trim() && !formData.tags.includes(formData.tagInput.trim())) {
      setFormData(prev => ({
        ...prev,
        tags: [...prev.tags, prev.tagInput.trim()],
        tagInput: ''
      }));
    }
  };
  
  const removeTag = (tagToRemove: string) => {
    setFormData(prev => ({
      ...prev,
      tags: prev.tags.filter(tag => tag !== tagToRemove)
    }));
  };
  
  const handleSubmit = (e: React.FormEvent) => {
    e.preventDefault();
    // eslint-disable-next-line @typescript-eslint/no-unused-vars
    const { tagInput, ...submitData } = formData;
    onSubmit(submitData as LinkData);
  };
  
  return (
    <div className="fixed inset-0 z-10 overflow-y-auto bg-background/80 backdrop-blur-sm">
      <div className="flex items-center justify-center min-h-screen px-4 pt-4 pb-20 text-center sm:block sm:p-0">
        <div className="inline-block w-full max-w-xl overflow-hidden text-left align-middle transition-all transform bg-card-bg rounded-xl shadow-xl">
          {/* Header */}
          <div className="flex items-center justify-between p-4 border-b border-card-border">
            <div className="flex items-center space-x-3">
              <div className="p-2 bg-accent-blue/20 rounded-lg">
                <svg xmlns="http://www.w3.org/2000/svg" className="w-6 h-6 text-accent-blue" fill="none" viewBox="0 0 24 24" stroke="currentColor">
                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="1.5" d="M12 4.5v15m7.5-7.5h-15" />
                </svg>
              </div>
              <h3 className="text-xl font-medium leading-6 text-foreground">
                Create New Link
              </h3>
            </div>

            <button 
              type="button" 
              onClick={onClose}
              className="text-text-secondary rounded-md hover:text-foreground focus:outline-none"
            >
              <span className="sr-only">Close</span>
              <svg className="w-6 h-6" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" stroke="currentColor" aria-hidden="true">
                <path strokeLinecap="round" strokeLinejoin="round" strokeWidth="2" d="M6 18L18 6M6 6l12 12" />
              </svg>
            </button>
          </div>

          {/* Form */}
          <form onSubmit={handleSubmit} className="p-6 space-y-6 overflow-y-auto max-h-[70vh]">
            {/* Link Name */}
            <div>
              <label htmlFor="name" className="block text-sm font-medium text-foreground">
                Link Name <span className="text-accent-red">*</span>
              </label>
              <input
                type="text"
                id="name"
                name="name"
                value={formData.name}
                onChange={handleChange}
                placeholder="e.g. Product Launch Campaign"
                className="block w-full px-3 py-2 mt-1 text-foreground bg-card-bg border border-card-border rounded-md shadow-sm focus:outline-none focus:ring-accent-blue focus:border-accent-blue sm:text-sm"
                required
              />
            </div>
            
            {/* Original URL */}
            <div>
              <label htmlFor="originalUrl" className="block text-sm font-medium text-foreground">
                Original URL <span className="text-accent-red">*</span>
              </label>
              <input
                type="url"
                id="originalUrl"
                name="originalUrl"
                value={formData.originalUrl}
                onChange={handleChange}
                placeholder="https://example.com/your-long-url"
                className="block w-full px-3 py-2 mt-1 text-foreground bg-card-bg border border-card-border rounded-md shadow-sm focus:outline-none focus:ring-accent-blue focus:border-accent-blue sm:text-sm"
                required
              />
            </div>
            
            {/* Custom Slug */}
            <div>
              <label htmlFor="customSlug" className="block text-sm font-medium text-foreground">
                Custom Slug <span className="text-text-secondary">(Optional)</span>
              </label>
              <div className="flex mt-1 rounded-md shadow-sm">
                <span className="inline-flex items-center px-3 py-2 text-sm text-text-secondary border border-r-0 border-card-border rounded-l-md bg-card-bg/60">
                  short.io/
                </span>
                <input
                  type="text"
                  id="customSlug"
                  name="customSlug"
                  value={formData.customSlug}
                  onChange={handleChange}
                  placeholder="custom-slug"
                  className="flex-1 block w-full min-w-0 px-3 py-2 text-foreground bg-card-bg border border-card-border rounded-none rounded-r-md focus:outline-none focus:ring-accent-blue focus:border-accent-blue sm:text-sm"
                />
              </div>
              <p className="mt-1 text-xs text-text-secondary">
                Leave blank to generate a random slug
              </p>
            </div>
            
            {/* Expiration Date */}
            <div>
              <label htmlFor="expiresAt" className="block text-sm font-medium text-foreground">
                Expiration Date <span className="text-text-secondary">(Optional)</span>
              </label>
              <input
                type="date"
                id="expiresAt"
                name="expiresAt"
                value={formData.expiresAt}
                onChange={handleChange}
                className="block w-full px-3 py-2 mt-1 text-foreground bg-card-bg border border-card-border rounded-md shadow-sm focus:outline-none focus:ring-accent-blue focus:border-accent-blue sm:text-sm"
              />
              <p className="mt-1 text-xs text-text-secondary">
                Leave blank for a non-expiring link
              </p>
            </div>
            
            {/* Tags */}
            <div>
              <label htmlFor="tagInput" className="block text-sm font-medium text-foreground">
                Tags <span className="text-text-secondary">(Optional)</span>
              </label>
              <div className="flex mt-1 rounded-md shadow-sm">
                <input
                  type="text"
                  id="tagInput"
                  name="tagInput"
                  value={formData.tagInput}
                  onChange={handleChange}
                  onKeyDown={handleTagKeyDown}
                  placeholder="Add tag and press Enter"
                  className="flex-1 block w-full min-w-0 px-3 py-2 text-foreground bg-card-bg border border-card-border rounded-l-md focus:outline-none focus:ring-accent-blue focus:border-accent-blue sm:text-sm"
                />
                <button
                  type="button"
                  onClick={addTag}
                  className="inline-flex items-center px-3 py-2 text-sm font-medium text-white border border-transparent rounded-r-md shadow-sm bg-accent-blue hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-accent-blue"
                >
                  Add
                </button>
              </div>
              
              {formData.tags.length > 0 && (
                <div className="flex flex-wrap gap-2 mt-2">
                  {formData.tags.map(tag => (
                    <span key={tag} className="inline-flex items-center px-2 py-0.5 text-xs font-medium bg-blue-500/10 rounded-full text-accent-blue">
                      {tag}
                      <button
                        type="button"
                        onClick={() => removeTag(tag)}
                        className="flex-shrink-0 ml-1 text-accent-blue rounded-full hover:text-blue-400 focus:outline-none"
                      >
                        <span className="sr-only">Remove tag {tag}</span>
                        <svg className="w-3 h-3" fill="currentColor" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg">
                          <path fillRule="evenodd" d="M10 18a8 8 0 100-16 8 8 0 000 16zM8.707 7.293a1 1 0 00-1.414 1.414L8.586 10l-1.293 1.293a1 1 0 101.414 1.414L10 11.414l1.293 1.293a1 1 0 001.414-1.414L11.414 10l1.293-1.293a1 1 0 00-1.414-1.414L10 8.586 8.707 7.293z" clipRule="evenodd" />
                        </svg>
                      </button>
                    </span>
                  ))}
                </div>
              )}
            </div>
          </form>
          
          {/* Footer */}
          <div className="px-4 py-3 bg-card-bg flex justify-end space-x-3 border-t border-card-border">
            <button
              type="button"
              onClick={onClose}
              className="px-4 py-2 text-sm font-medium text-foreground bg-card-bg/70 border border-card-border rounded-md shadow-sm hover:bg-card-bg focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-accent-blue"
            >
              Cancel
            </button>
            <button
              type="button"
              onClick={handleSubmit}
              className="inline-flex justify-center px-4 py-2 text-sm font-medium text-white bg-accent-blue border border-transparent rounded-md shadow-sm hover:bg-blue-600 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-accent-blue"
            >
              Create Link
            </button>
          </div>
        </div>
      </div>
    </div>
  );
}