'use client';

import { Button } from '@/ui/Button';
import { Icon } from '@/ui/Icon';
import { Modal } from '@/ui/Modal';
import { Text } from '@/ui/Text';
import { Box } from '@/ui/Box';
import { Grid } from '@/ui/Grid';
import { Surface } from '@/ui/Surface';
import { NotificationStat, NotificationDeadline } from '@/ui/NotificationContent';
import {
    AlertCircle,
    AlertTriangle,
    Bell,
    Clock,
    Flag,
    Medal,
    Shield,
    Star,
    Trophy,
    Users,
    Vote,
} from 'lucide-react';
import React from 'react';
import type { Notification, NotificationAction } from './notificationTypes';

interface ModalNotificationProps {
  notification: Notification;
  onAction: (notification: Notification, actionId?: string) => void;
  onDismiss?: (notification: Notification) => void;
  onNavigate?: (href: string) => void;
}

const notificationIcons: Record<string, typeof Bell> = {
  protest_filed: AlertTriangle,
  protest_defense_requested: Shield,
  protest_vote_required: Vote,
  penalty_issued: AlertTriangle,
  race_results_posted: Trophy,
  race_performance_summary: Medal,
  race_final_results: Star,
  league_invite: Users,
  race_reminder: Flag,
};

export function ModalNotification({
  notification,
  onAction,
  onDismiss,
  onNavigate,
}: ModalNotificationProps) {
  const handleAction = (action: NotificationAction) => {
    onAction(notification, action.id);
    if (action.href && onNavigate) {
      onNavigate(action.href);
    }
  };

  const handlePrimaryAction = () => {
    onAction(notification, 'primary');
    if (notification.actionUrl && onNavigate) {
      onNavigate(notification.actionUrl);
    }
  };

  const NotificationIcon = notificationIcons[notification.type] || AlertCircle;
  const data: Record<string, unknown> = notification.data ?? {};

  const getNumber = (value: unknown): number | null => {
    if (typeof value === 'number' && Number.isFinite(value)) return value;
    if (typeof value === 'string') {
      const parsed = Number(value);
      if (Number.isFinite(parsed)) return parsed;
    }
    return null;
  };

  const getString = (value: unknown): string | null => {
    if (typeof value === 'string') return value;
    if (typeof value === 'number' && Number.isFinite(value)) return String(value);
    return null;
  };

  const isValidDate = (value: unknown): value is Date => value instanceof Date && !Number.isNaN(value.getTime());

  const deadlineValue = data.deadline;
  const deadline: Date | null =
    isValidDate(deadlineValue)
      ? deadlineValue
      : typeof deadlineValue === 'string' || typeof deadlineValue === 'number'
        ? new Date(deadlineValue)
        : null;
  const hasDeadline = !!deadline && !Number.isNaN(deadline.getTime());

  const isRaceNotification = notification.type.startsWith('race_');
  const provisionalRatingChange = getNumber(data.provisionalRatingChange) ?? 0;
  const finalRatingChange = getNumber(data.finalRatingChange) ?? 0;
  const ratingChange = provisionalRatingChange || finalRatingChange;
  const protestId = getString(data.protestId);

  return (
    <Modal
      isOpen={true}
      onClose={onDismiss ? () => onDismiss(notification) : undefined}
      title={notification.title}
      description={isRaceNotification ? 'Race Update' : 'Action Required'}
      icon={<Icon icon={NotificationIcon} size={5} intent="primary" />}
      footer={
        <React.Fragment>
          {notification.actions && notification.actions.length > 0 ? (
            notification.actions.map((action, index) => (
              <Button
                key={index}
                variant={action.type === 'primary' ? 'primary' : 'secondary'}
                onClick={() => handleAction(action)}
              >
                {action.label}
              </Button>
            ))
          ) : (
            isRaceNotification ? (
              <>
                <Button
                  variant="secondary"
                  onClick={() => (onDismiss ? onDismiss(notification) : onAction(notification, 'dismiss'))}
                >
                  Dismiss
                </Button>
                <Button
                  variant="primary"
                  onClick={handlePrimaryAction}
                >
                  {notification.type === 'race_performance_summary' ? 'View Results' : 'View Standings'}
                </Button>
              </>
            ) : (
              <Button variant="primary" onClick={handlePrimaryAction}>
                {notification.actionUrl ? 'View Details' : 'Acknowledge'}
              </Button>
            )
          )}
        </React.Fragment>
      }
    >
      <Text leading="relaxed" size="base" variant="med" block>
        {notification.message}
      </Text>

      {isRaceNotification && (
        <Box marginTop={6}>
          <Grid cols={2} gap={4}>
            <NotificationStat 
              label="POSITION" 
              value={notification.data?.position === 'DNF' ? 'DNF' : `P${notification.data?.position || '?'}`} 
            />
            <NotificationStat 
              label="RATING" 
              value={`${ratingChange >= 0 ? '+' : ''}${ratingChange}`}
              intent={ratingChange >= 0 ? 'success' : 'critical'}
            />
          </Grid>
        </Box>
      )}

      {hasDeadline && !isRaceNotification && (
        <NotificationDeadline 
          label="Response Required" 
          deadline={`By ${deadline ? deadline.toLocaleDateString() : ''} ${deadline ? deadline.toLocaleTimeString() : ''}`}
          icon={Clock}
        />
      )}

      {protestId && (
        <Surface 
          marginTop={6} 
          padding={3} 
          variant="dark" 
          border 
          rounded="sm"
        >
          <Text size="xs" variant="low" weight="bold" uppercase block marginBottom={1}>PROTEST ID</Text>
          <Text size="xs" variant="med" font="mono" block>{protestId}</Text>
        </Surface>
      )}

      {notification.requiresResponse && !isRaceNotification && (
        <Box marginTop={4} textAlign="center">
          <Text size="xs" variant="critical" weight="medium">
            This action is required to continue
          </Text>
        </Box>
      )}
    </Modal>
  );
}