import type { Dispatch, FormEvent, SetStateAction } from 'react';
import { Ticket } from '@/lib/api';
import Card from '@/components/ui/Card';
import Button from '@/components/ui/Button';
import { BottomSheet } from '@/components/admin/MobileComponents';
import clsx from 'clsx';
import {
  CheckCircleIcon,
  EnvelopeIcon,
  PlusIcon,
  StarIcon,
  XMarkIcon,
} from '@heroicons/react/24/outline';
import type { AttendeeStatusFilter, AttendeeFormState, AddAtDoorFormState } from '../_types';

interface EventModalsProps {
  // counts + filter
  ticketsCount: number;
  pendingCount: number;
  confirmedCount: number;
  checkedInCount: number;
  cancelledCount: number;
  statusFilter: AttendeeStatusFilter;
  setStatusFilter: (value: AttendeeStatusFilter) => void;
  // mobile filter sheet
  mobileFilterOpen: boolean;
  setMobileFilterOpen: (value: boolean) => void;
  // add ticket sheet
  showAddTicketSheet: boolean;
  setShowAddTicketSheet: (value: boolean) => void;
  // export sheets
  showExportSheet: boolean;
  setShowExportSheet: (value: boolean) => void;
  handleExportAttendees: (status: 'confirmed' | 'checked_in' | 'confirmed_pending' | 'all') => void;
  showTicketExportSheet: boolean;
  setShowTicketExportSheet: (value: boolean) => void;
  handleExportTickets: (status: 'confirmed' | 'checked_in' | 'all') => void;
  // add at door
  showAddAtDoorModal: boolean;
  setShowAddAtDoorModal: (value: boolean) => void;
  addAtDoorForm: AddAtDoorFormState;
  setAddAtDoorForm: Dispatch<SetStateAction<AddAtDoorFormState>>;
  handleAddAtDoor: (e: FormEvent) => void;
  // manual ticket
  showManualTicketModal: boolean;
  setShowManualTicketModal: (value: boolean) => void;
  manualTicketForm: AttendeeFormState;
  setManualTicketForm: Dispatch<SetStateAction<AttendeeFormState>>;
  handleManualTicket: (e: FormEvent) => void;
  // invite guest
  showInviteGuestModal: boolean;
  setShowInviteGuestModal: (value: boolean) => void;
  inviteGuestForm: AttendeeFormState;
  setInviteGuestForm: Dispatch<SetStateAction<AttendeeFormState>>;
  handleInviteGuest: (e: FormEvent) => void;
  // shared submit flag
  submitting: boolean;
  // note modal
  showNoteModal: boolean;
  setShowNoteModal: (value: boolean) => void;
  selectedTicket: Ticket | null;
  setSelectedTicket: (value: Ticket | null) => void;
  noteText: string;
  setNoteText: (value: string) => void;
  handleSaveNote: () => void;
  // preview modal
  previewHtml: string | null;
  setPreviewHtml: (value: string | null) => void;
}

export function EventModals(props: EventModalsProps) {
  const {
    ticketsCount,
    pendingCount,
    confirmedCount,
    checkedInCount,
    cancelledCount,
    statusFilter,
    setStatusFilter,
    mobileFilterOpen,
    setMobileFilterOpen,
    showAddTicketSheet,
    setShowAddTicketSheet,
    showExportSheet,
    setShowExportSheet,
    handleExportAttendees,
    showTicketExportSheet,
    setShowTicketExportSheet,
    handleExportTickets,
    showAddAtDoorModal,
    setShowAddAtDoorModal,
    addAtDoorForm,
    setAddAtDoorForm,
    handleAddAtDoor,
    showManualTicketModal,
    setShowManualTicketModal,
    manualTicketForm,
    setManualTicketForm,
    handleManualTicket,
    showInviteGuestModal,
    setShowInviteGuestModal,
    inviteGuestForm,
    setInviteGuestForm,
    handleInviteGuest,
    submitting,
    showNoteModal,
    setShowNoteModal,
    selectedTicket,
    setSelectedTicket,
    noteText,
    setNoteText,
    handleSaveNote,
    previewHtml,
    setPreviewHtml,
  } = props;

  return (
    <>
      {/* Mobile filter bottom sheet */}
      <BottomSheet
        open={mobileFilterOpen}
        onClose={() => setMobileFilterOpen(false)}
        title="Filter by Status"
      >
        <div className="space-y-1">
          {[
            { value: 'all', label: `All (${ticketsCount})` },
            { value: 'pending', label: `Pending (${pendingCount})` },
            { value: 'confirmed', label: `Confirmed (${confirmedCount})` },
            { value: 'checked_in', label: `Checked In (${checkedInCount})` },
            { value: 'cancelled', label: `Cancelled (${cancelledCount})` },
          ].map((option) => (
            <button
              key={option.value}
              onClick={() => { setStatusFilter(option.value as AttendeeStatusFilter); setMobileFilterOpen(false); }}
              className={clsx(
                'w-full text-left px-4 py-3 rounded-btn text-sm min-h-[44px] flex items-center justify-between',
                statusFilter === option.value ? 'bg-yellow-50 text-primary-dark font-medium' : 'hover:bg-gray-50'
              )}
            >
              {option.label}
              {statusFilter === option.value && <CheckCircleIcon className="w-4 h-4 text-primary-yellow" />}
            </button>
          ))}
        </div>
      </BottomSheet>

      {/* Mobile FAB bottom sheet */}
      <BottomSheet
        open={showAddTicketSheet}
        onClose={() => setShowAddTicketSheet(false)}
        title="Add Ticket"
      >
        <div className="space-y-1">
          <button
            onClick={() => { setShowManualTicketModal(true); setShowAddTicketSheet(false); }}
            className="w-full text-left px-4 py-3 rounded-btn text-sm hover:bg-gray-50 min-h-[44px] flex items-center gap-3"
          >
            <EnvelopeIcon className="w-5 h-5 text-gray-500" />
            <div>
              <p className="font-medium">Manual Ticket</p>
              <p className="text-xs text-gray-500">Send confirmation email with ticket</p>
            </div>
          </button>
          <button
            onClick={() => { setShowAddAtDoorModal(true); setShowAddTicketSheet(false); }}
            className="w-full text-left px-4 py-3 rounded-btn text-sm hover:bg-gray-50 min-h-[44px] flex items-center gap-3"
          >
            <PlusIcon className="w-5 h-5 text-gray-500" />
            <div>
              <p className="font-medium">Add at Door</p>
              <p className="text-xs text-gray-500">Quick add with optional auto check-in</p>
            </div>
          </button>
          <button
            onClick={() => { setShowInviteGuestModal(true); setShowAddTicketSheet(false); }}
            className="w-full text-left px-4 py-3 rounded-btn text-sm hover:bg-gray-50 min-h-[44px] flex items-center gap-3"
          >
            <StarIcon className="w-5 h-5 text-gray-500" />
            <div>
              <p className="font-medium">Invite Guest</p>
              <p className="text-xs text-gray-500">Free ticket, not counted in revenue</p>
            </div>
          </button>
        </div>
      </BottomSheet>

      {/* Mobile export bottom sheet (attendees) */}
      <BottomSheet
        open={showExportSheet}
        onClose={() => setShowExportSheet(false)}
        title="Export Attendees"
      >
        <div className="space-y-1">
          {[
            { status: 'all' as const, label: 'Export All' },
            { status: 'confirmed' as const, label: 'Export Confirmed' },
            { status: 'checked_in' as const, label: 'Export Checked-in' },
            { status: 'confirmed_pending' as const, label: 'Confirmed & Pending' },
          ].map((opt) => (
            <button
              key={opt.status}
              onClick={() => { handleExportAttendees(opt.status); setShowExportSheet(false); }}
              className="w-full text-left px-4 py-3 rounded-btn text-sm hover:bg-gray-50 min-h-[44px]"
            >
              {opt.label}
            </button>
          ))}
          <p className="text-[10px] text-gray-400 px-4 pt-2">Format: CSV</p>
        </div>
      </BottomSheet>

      {/* Mobile export bottom sheet (tickets) */}
      <BottomSheet
        open={showTicketExportSheet}
        onClose={() => setShowTicketExportSheet(false)}
        title="Export Tickets"
      >
        <div className="space-y-1">
          {[
            { status: 'all' as const, label: 'Export All' },
            { status: 'confirmed' as const, label: 'Export Valid' },
            { status: 'checked_in' as const, label: 'Export Checked-in' },
          ].map((opt) => (
            <button
              key={opt.status}
              onClick={() => { handleExportTickets(opt.status); setShowTicketExportSheet(false); }}
              className="w-full text-left px-4 py-3 rounded-btn text-sm hover:bg-gray-50 min-h-[44px]"
            >
              {opt.label}
            </button>
          ))}
          <p className="text-[10px] text-gray-400 px-4 pt-2">Format: CSV</p>
        </div>
      </BottomSheet>

      {/* Add at Door Modal */}
      {showAddAtDoorModal && (
        <div
          className="fixed inset-0 bg-black/50 z-50 flex items-end md:items-center justify-center p-0 md:p-4"
          onClick={() => setShowAddAtDoorModal(false)}
          role="presentation"
        >
          <Card
            className="w-full md:max-w-md max-h-[90vh] flex flex-col overflow-hidden rounded-t-2xl md:rounded-card"
            onClick={(e) => e.stopPropagation()}
          >
            <div className="flex items-center justify-between p-4 border-b border-secondary-light-gray flex-shrink-0">
              <h2 className="text-base font-bold">Add Attendee at Door</h2>
              <button
                onClick={() => setShowAddAtDoorModal(false)}
                className="p-2 hover:bg-gray-100 rounded-btn min-h-[44px] min-w-[44px] flex items-center justify-center"
              >
                <XMarkIcon className="w-5 h-5" />
              </button>
            </div>
            <form onSubmit={handleAddAtDoor} className="p-4 space-y-3 overflow-y-auto flex-1 min-h-0">
              <div className="grid grid-cols-2 gap-3">
                <div>
                  <label className="block text-xs font-medium mb-1">First Name *</label>
                  <input type="text" required value={addAtDoorForm.firstName}
                    onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, firstName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="First name" />
                </div>
                <div>
                  <label className="block text-xs font-medium mb-1">Last Name</label>
                  <input type="text" value={addAtDoorForm.lastName}
                    onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, lastName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="Last name" />
                </div>
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Email</label>
                <input type="email" value={addAtDoorForm.email}
                  onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, email: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="email@example.com" />
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Phone</label>
                <input type="tel" value={addAtDoorForm.phone}
                  onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, phone: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="+595 981 123456" />
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Admin Note</label>
                <textarea value={addAtDoorForm.adminNote}
                  onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, adminNote: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  rows={2} placeholder="Internal note..." />
              </div>
              <div className="flex items-center gap-3">
                <input type="checkbox" id="autoCheckin" checked={addAtDoorForm.autoCheckin}
                  onChange={(e) => setAddAtDoorForm({ ...addAtDoorForm, autoCheckin: e.target.checked })}
                  className="w-4 h-4 rounded border-secondary-light-gray text-primary-yellow focus:ring-primary-yellow" />
                <label htmlFor="autoCheckin" className="text-sm font-medium">Auto check-in immediately</label>
              </div>
              <div className="flex gap-3 pt-2">
                <Button type="button" variant="outline" onClick={() => setShowAddAtDoorModal(false)} className="flex-1 min-h-[44px]">Cancel</Button>
                <Button type="submit" isLoading={submitting} className="flex-1 min-h-[44px]">Add Attendee</Button>
              </div>
            </form>
          </Card>
        </div>
      )}

      {/* Manual Ticket Modal */}
      {showManualTicketModal && (
        <div
          className="fixed inset-0 bg-black/50 z-50 flex items-end md:items-center justify-center p-0 md:p-4"
          onClick={() => setShowManualTicketModal(false)}
          role="presentation"
        >
          <Card
            className="w-full md:max-w-md max-h-[90vh] flex flex-col overflow-hidden rounded-t-2xl md:rounded-card"
            onClick={(e) => e.stopPropagation()}
          >
            <div className="flex items-center justify-between p-4 border-b border-secondary-light-gray flex-shrink-0">
              <div>
                <h2 className="text-base font-bold">Create Manual Ticket</h2>
                <p className="text-xs text-gray-500">Confirmation email will be sent</p>
              </div>
              <button onClick={() => setShowManualTicketModal(false)}
                className="p-2 hover:bg-gray-100 rounded-btn min-h-[44px] min-w-[44px] flex items-center justify-center">
                <XMarkIcon className="w-5 h-5" />
              </button>
            </div>
            <form onSubmit={handleManualTicket} className="p-4 space-y-3 overflow-y-auto flex-1 min-h-0">
              <div className="grid grid-cols-2 gap-3">
                <div>
                  <label className="block text-xs font-medium mb-1">First Name *</label>
                  <input type="text" required value={manualTicketForm.firstName}
                    onChange={(e) => setManualTicketForm({ ...manualTicketForm, firstName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="First name" />
                </div>
                <div>
                  <label className="block text-xs font-medium mb-1">Last Name</label>
                  <input type="text" value={manualTicketForm.lastName}
                    onChange={(e) => setManualTicketForm({ ...manualTicketForm, lastName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="Last name" />
                </div>
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Email *</label>
                <input type="email" required value={manualTicketForm.email}
                  onChange={(e) => setManualTicketForm({ ...manualTicketForm, email: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="email@example.com" />
                <p className="text-[10px] text-gray-500 mt-1">Ticket will be sent to this email</p>
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Phone</label>
                <input type="tel" value={manualTicketForm.phone}
                  onChange={(e) => setManualTicketForm({ ...manualTicketForm, phone: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="+595 981 123456" />
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Admin Note</label>
                <textarea value={manualTicketForm.adminNote}
                  onChange={(e) => setManualTicketForm({ ...manualTicketForm, adminNote: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  rows={2} placeholder="Internal note..." />
              </div>
              <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
                <div className="flex items-start gap-2">
                  <EnvelopeIcon className="w-4 h-4 text-blue-500 mt-0.5 flex-shrink-0" />
                  <div className="text-xs text-blue-800">
                    <p className="font-medium">This will send:</p>
                    <ul className="list-disc ml-4 mt-0.5 space-y-0.5">
                      <li>Booking confirmation email</li>
                      <li>Ticket with QR code</li>
                    </ul>
                  </div>
                </div>
              </div>
              <div className="flex gap-3 pt-2">
                <Button type="button" variant="outline" onClick={() => setShowManualTicketModal(false)} className="flex-1 min-h-[44px]">Cancel</Button>
                <Button type="submit" isLoading={submitting} className="flex-1 min-h-[44px]">
                  <EnvelopeIcon className="w-4 h-4 mr-1.5" />
                  Create & Send
                </Button>
              </div>
            </form>
          </Card>
        </div>
      )}

      {/* Invite Guest Modal */}
      {showInviteGuestModal && (
        <div
          className="fixed inset-0 bg-black/50 z-50 flex items-end md:items-center justify-center p-0 md:p-4"
          onClick={() => setShowInviteGuestModal(false)}
          role="presentation"
        >
          <Card
            className="w-full md:max-w-md max-h-[90vh] flex flex-col overflow-hidden rounded-t-2xl md:rounded-card"
            onClick={(e) => e.stopPropagation()}
          >
            <div className="flex items-center justify-between p-4 border-b border-secondary-light-gray flex-shrink-0">
              <div>
                <h2 className="text-base font-bold">Invite Guest</h2>
                <p className="text-xs text-gray-500">Free ticket — not counted in revenue</p>
              </div>
              <button onClick={() => setShowInviteGuestModal(false)}
                className="p-2 hover:bg-gray-100 rounded-btn min-h-[44px] min-w-[44px] flex items-center justify-center">
                <XMarkIcon className="w-5 h-5" />
              </button>
            </div>
            <form onSubmit={handleInviteGuest} className="p-4 space-y-3 overflow-y-auto flex-1 min-h-0">
              <div className="grid grid-cols-2 gap-3">
                <div>
                  <label className="block text-xs font-medium mb-1">First Name *</label>
                  <input type="text" required value={inviteGuestForm.firstName}
                    onChange={(e) => setInviteGuestForm({ ...inviteGuestForm, firstName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="First name" />
                </div>
                <div>
                  <label className="block text-xs font-medium mb-1">Last Name</label>
                  <input type="text" value={inviteGuestForm.lastName}
                    onChange={(e) => setInviteGuestForm({ ...inviteGuestForm, lastName: e.target.value })}
                    className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                    placeholder="Last name" />
                </div>
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Email</label>
                <input type="email" value={inviteGuestForm.email}
                  onChange={(e) => setInviteGuestForm({ ...inviteGuestForm, email: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="email@example.com (optional)" />
                <p className="text-[10px] text-gray-500 mt-1">If provided, a confirmation email will be sent</p>
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Phone</label>
                <input type="tel" value={inviteGuestForm.phone}
                  onChange={(e) => setInviteGuestForm({ ...inviteGuestForm, phone: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  placeholder="+595 981 123456" />
              </div>
              <div>
                <label className="block text-xs font-medium mb-1">Admin Note</label>
                <textarea value={inviteGuestForm.adminNote}
                  onChange={(e) => setInviteGuestForm({ ...inviteGuestForm, adminNote: e.target.value })}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  rows={2} placeholder="Internal note..." />
              </div>
              <div className="bg-amber-50 border border-amber-200 rounded-lg p-3">
                <div className="flex items-start gap-2">
                  <StarIcon className="w-4 h-4 text-amber-500 mt-0.5 flex-shrink-0" />
                  <p className="text-xs text-amber-800">
                    Guest tickets are <strong>free</strong> and are automatically confirmed. They are not counted toward revenue or paid ticket totals.
                  </p>
                </div>
              </div>
              <div className="flex gap-3 pt-2">
                <Button type="button" variant="outline" onClick={() => setShowInviteGuestModal(false)} className="flex-1 min-h-[44px]">Cancel</Button>
                <Button type="submit" isLoading={submitting} className="flex-1 min-h-[44px]">
                  <StarIcon className="w-4 h-4 mr-1.5" />
                  Invite Guest
                </Button>
              </div>
            </form>
          </Card>
        </div>
      )}

      {/* Note Modal */}
      {showNoteModal && selectedTicket && (
        <div className="fixed inset-0 bg-black/50 z-50 flex items-end md:items-center justify-center p-0 md:p-4">
          <Card className="w-full md:max-w-md rounded-t-2xl md:rounded-card">
            <div className="flex items-center justify-between p-4 border-b border-secondary-light-gray">
              <div>
                <h2 className="text-base font-bold">Admin Note</h2>
                <p className="text-xs text-gray-500">{selectedTicket.attendeeFirstName} {selectedTicket.attendeeLastName || ''}</p>
              </div>
              <button onClick={() => { setShowNoteModal(false); setSelectedTicket(null); }}
                className="p-2 hover:bg-gray-100 rounded-btn min-h-[44px] min-w-[44px] flex items-center justify-center">
                <XMarkIcon className="w-5 h-5" />
              </button>
            </div>
            <div className="p-4 space-y-3">
              <div>
                <label className="block text-xs font-medium mb-1">Note</label>
                <textarea value={noteText} onChange={(e) => setNoteText(e.target.value)}
                  className="w-full px-3 py-2.5 text-sm rounded-btn border border-secondary-light-gray focus:outline-none focus:ring-2 focus:ring-primary-yellow"
                  rows={4} placeholder="Add a private note..." maxLength={1000} />
                <p className="text-[10px] text-gray-400 mt-1 text-right">{noteText.length}/1000</p>
              </div>
              <div className="flex gap-3">
                <Button variant="outline" onClick={() => { setShowNoteModal(false); setSelectedTicket(null); }} className="flex-1 min-h-[44px]">Cancel</Button>
                <Button onClick={handleSaveNote} isLoading={submitting} className="flex-1 min-h-[44px]">Save Note</Button>
              </div>
            </div>
          </Card>
        </div>
      )}

      {/* Preview Modal */}
      {previewHtml && (
        <div className="fixed inset-0 bg-black/50 z-50 flex items-center justify-center p-4">
          <Card className="w-full max-w-3xl max-h-[90vh] overflow-hidden flex flex-col">
            <div className="flex items-center justify-between p-4 border-b border-secondary-light-gray">
              <h2 className="text-base font-bold">Email Preview</h2>
              <Button variant="outline" size="sm" onClick={() => setPreviewHtml(null)} className="min-h-[44px] md:min-h-0">Close</Button>
            </div>
            <div className="flex-1 overflow-auto">
              <iframe srcDoc={previewHtml} sandbox="" className="w-full h-full min-h-[500px]" title="Email Preview" />
            </div>
          </Card>
        </div>
      )}
    </>
  );
}
