"use client";
import { useState, FormEvent } from 'react';
import { checkTicketStatus, SupportTicket } from '@/lib/api/supportService';

const TicketStatusCheck = () => {
  const [ticketNumber, setTicketNumber] = useState('');
  const [isSearching, setIsSearching] = useState(false);
  const [searchError, setSearchError] = useState<string | null>(null);
  const [ticket, setTicket] = useState<SupportTicket | null>(null);

  const handleSubmit = async (e: FormEvent<HTMLFormElement>) => {
    e.preventDefault();
    setIsSearching(true);
    setSearchError(null);
    setTicket(null);

    try {
      const response = await checkTicketStatus(ticketNumber);
      setTicket(response);
    } catch (error: any) {
      if (error.message === 'Ticket not found') {
        setSearchError('Ticket not found. Please check your ticket number and try again.');
      } else {
        setSearchError('An error occurred while searching. Please try again.');
      }
    } finally {
      setIsSearching(false);
    }
  };

  const formatDate = (dateString: string) => {
    const date = new Date(dateString);
    return date.toLocaleDateString('en-US', {
      year: 'numeric',
      month: 'long',
      day: 'numeric',
      hour: '2-digit',
      minute: '2-digit'
    });
  };

  return (
    <div className="ticket-status-check">
      <div className="row justify-content-center">
        <div className="col-12 col-lg-8">
          <div className="form-header text-center">
            <h2>Check Ticket Status</h2>
            <p>Enter your ticket number to view the current status and details of your support request.</p>
          </div>

          <form onSubmit={handleSubmit} className="status-search-form">
            <div className="search-input-group">
              <input
                type="text"
                value={ticketNumber}
                onChange={(e) => setTicketNumber(e.target.value)}
                placeholder="Enter your ticket number (e.g., TKT-20231015-ABCDE)"
                required
                className="form-control"
              />
              <button 
                type="submit" 
                className="btn btn-primary"
                disabled={isSearching}
              >
                {isSearching ? (
                  <>
                    <span className="spinner-border spinner-border-sm me-2" role="status" aria-hidden="true"></span>
                    Searching...
                  </>
                ) : (
                  <>
                    <i className="fa-solid fa-search me-2"></i>
                    Check Status
                  </>
                )}
              </button>
            </div>
          </form>

          {searchError && (
            <div className="alert alert-danger mt-4" role="alert">
              <i className="fa-solid fa-triangle-exclamation me-2"></i>
              {searchError}
            </div>
          )}

          {ticket && (
            <div className="ticket-details">
              <div className="ticket-header">
                <div className="ticket-number">
                  <i className="fa-solid fa-ticket me-2"></i>
                  {ticket.ticket_number}
                </div>
                <div 
                  className="ticket-status-badge"
                  style={{ backgroundColor: ticket.status_color }}
                >
                  {ticket.status_name}
                </div>
              </div>

              <div className="ticket-info">
                <h3>{ticket.title}</h3>
                <div className="ticket-meta">
                  <div className="meta-item">
                    <i className="fa-solid fa-calendar me-2"></i>
                    <strong>Created:</strong> {formatDate(ticket.created_at)}
                  </div>
                  <div className="meta-item">
                    <i className="fa-solid fa-clock me-2"></i>
                    <strong>Last Updated:</strong> {formatDate(ticket.updated_at)}
                  </div>
                  {ticket.priority_name && (
                    <div className="meta-item">
                      <i className="fa-solid fa-flag me-2"></i>
                      <strong>Priority:</strong> 
                      <span 
                        className="priority-badge ms-2"
                        style={{ backgroundColor: ticket.priority_color }}
                      >
                        {ticket.priority_name}
                      </span>
                    </div>
                  )}
                  {ticket.category_name && (
                    <div className="meta-item">
                      <i className="fa-solid fa-folder me-2"></i>
                      <strong>Category:</strong> {ticket.category_name}
                    </div>
                  )}
                </div>

                <div className="ticket-description">
                  <h4>Description</h4>
                  <p>{ticket.description}</p>
                </div>

                {ticket.messages && ticket.messages.length > 0 && (
                  <div className="ticket-messages">
                    <h4>Messages ({ticket.messages.length})</h4>
                    <div className="messages-list">
                      {ticket.messages
                        .filter(msg => !msg.is_internal)
                        .map((message, index) => (
                          <div key={message.id} className="message-item">
                            <div className="message-header">
                              <div className="message-author">
                                <i className="fa-solid fa-user-circle me-2"></i>
                                {message.author_name || message.author_email}
                              </div>
                              <div className="message-date">
                                {formatDate(message.created_at)}
                              </div>
                            </div>
                            <div className="message-content">
                              {message.content}
                            </div>
                          </div>
                        ))}
                    </div>
                  </div>
                )}

                {ticket.activities && ticket.activities.length > 0 && (
                  <div className="ticket-timeline">
                    <h4>Activity Timeline</h4>
                    <div className="timeline-list">
                      {ticket.activities.slice(0, 5).map((activity, index) => (
                        <div key={activity.id} className="timeline-item">
                          <div className="timeline-icon">
                            <i className="fa-solid fa-circle"></i>
                          </div>
                          <div className="timeline-content">
                            <div className="timeline-description">
                              {activity.description}
                            </div>
                            <div className="timeline-date">
                              {formatDate(activity.created_at)}
                            </div>
                          </div>
                        </div>
                      ))}
                    </div>
                  </div>
                )}
              </div>
            </div>
          )}
        </div>
      </div>
    </div>
  );
};

export default TicketStatusCheck;