import React from 'react';
import { motion } from 'framer-motion';
import { useTranslation } from 'react-i18next';
import {
  Calendar,
  Mail,
  MessageSquare,
  Clock,
  Search,
  FileText,
  Sparkles,
  ChevronRight,
} from 'lucide-react';
import type { LucideIcon } from 'lucide-react';

interface WorkflowBlock {
  icon: LucideIcon;
  label: string;
  type: 'trigger' | 'action';
}

interface WorkflowVisualProps {
  trigger: string;
  actions: string[];
  variant?: 'winback' | 'noshow' | 'report';
}

const getWorkflowConfig = (
  variant: WorkflowVisualProps['variant']
): WorkflowBlock[] => {
  switch (variant) {
    case 'winback':
      return [
        { icon: Clock, label: 'Schedule: Weekly', type: 'trigger' },
        { icon: Search, label: 'Find Inactive Customers', type: 'action' },
        { icon: Mail, label: 'Send Email', type: 'action' },
      ];
    case 'noshow':
      return [
        { icon: Calendar, label: 'Event Created', type: 'trigger' },
        { icon: Clock, label: 'Wait 2 Hours Before', type: 'action' },
        { icon: MessageSquare, label: 'Send SMS', type: 'action' },
      ];
    case 'report':
      return [
        { icon: Clock, label: 'Daily at 6 PM', type: 'trigger' },
        { icon: FileText, label: "Get Tomorrow's Schedule", type: 'action' },
        { icon: Mail, label: 'Send Summary', type: 'action' },
      ];
    default:
      return [
        { icon: Calendar, label: 'Event Created', type: 'trigger' },
        { icon: Clock, label: 'Wait', type: 'action' },
        { icon: Mail, label: 'Send Notification', type: 'action' },
      ];
  }
};

const WorkflowVisual: React.FC<WorkflowVisualProps> = ({
  variant = 'noshow',
}) => {
  const { t } = useTranslation();
  const blocks = getWorkflowConfig(variant);

  return (
    <div className="bg-white dark:bg-gray-800 rounded-xl border border-gray-200 dark:border-gray-700 shadow-xl overflow-hidden">
      {/* AI Copilot Input */}
      <div className="p-4 bg-gradient-to-r from-purple-50 to-brand-50 dark:from-purple-900/20 dark:to-brand-900/20 border-b border-gray-200 dark:border-gray-700">
        <div className="flex items-center gap-3 bg-white dark:bg-gray-900 rounded-lg border border-gray-200 dark:border-gray-600 px-4 py-3 shadow-sm">
          <Sparkles className="w-5 h-5 text-purple-500" />
          <span className="text-gray-400 dark:text-gray-500 text-sm flex-1">
            {t('marketing.plugins.aiCopilot.placeholder')}
          </span>
          <motion.div
            animate={{ opacity: [0.5, 1, 0.5] }}
            transition={{ duration: 1.5, repeat: Infinity }}
            className="w-2 h-5 bg-purple-500 rounded-sm"
          />
        </div>
        <p className="text-xs text-gray-500 dark:text-gray-400 mt-2 ml-1">
          {t('marketing.plugins.aiCopilot.examples')}
        </p>
      </div>

      {/* Workflow Visualization */}
      <div className="p-6">
        <div className="flex flex-col gap-3">
          {blocks.map((block, index) => (
            <React.Fragment key={index}>
              {/* Block */}
              <motion.div
                initial={{ opacity: 0, x: -20 }}
                animate={{ opacity: 1, x: 0 }}
                transition={{ delay: index * 0.15 }}
                className={`flex items-center gap-3 p-3 rounded-lg border ${
                  block.type === 'trigger'
                    ? 'bg-gradient-to-r from-brand-50 to-purple-50 dark:from-brand-900/30 dark:to-purple-900/30 border-brand-200 dark:border-brand-800'
                    : 'bg-gray-50 dark:bg-gray-900/50 border-gray-200 dark:border-gray-700'
                }`}
              >
                <div
                  className={`p-2 rounded-lg ${
                    block.type === 'trigger'
                      ? 'bg-brand-100 dark:bg-brand-900/50 text-brand-600 dark:text-brand-400'
                      : 'bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400'
                  }`}
                >
                  <block.icon className="w-5 h-5" />
                </div>
                <div className="flex-1">
                  <span
                    className={`text-xs font-medium uppercase tracking-wide ${
                      block.type === 'trigger'
                        ? 'text-brand-600 dark:text-brand-400'
                        : 'text-gray-500 dark:text-gray-400'
                    }`}
                  >
                    {block.type === 'trigger' ? 'When' : 'Then'}
                  </span>
                  <p className="text-sm font-medium text-gray-900 dark:text-white">
                    {block.label}
                  </p>
                </div>
                <ChevronRight className="w-4 h-4 text-gray-400" />
              </motion.div>

              {/* Connector */}
              {index < blocks.length - 1 && (
                <div className="flex items-center justify-center h-4">
                  <div className="relative w-0.5 h-full bg-gray-200 dark:bg-gray-700">
                    <motion.div
                      className="absolute w-2 h-2 bg-brand-500 rounded-full left-1/2 -translate-x-1/2"
                      animate={{ y: [0, 12, 0] }}
                      transition={{
                        duration: 1,
                        repeat: Infinity,
                        delay: index * 0.3,
                      }}
                    />
                  </div>
                </div>
              )}
            </React.Fragment>
          ))}
        </div>

        {/* Integration badges */}
        <div className="mt-6 pt-4 border-t border-gray-200 dark:border-gray-700">
          <p className="text-xs text-gray-500 dark:text-gray-400 mb-2">
            {t('marketing.plugins.integrations.description')}
          </p>
          <div className="flex gap-2 flex-wrap">
            {['Gmail', 'Slack', 'Sheets', 'Twilio'].map((app) => (
              <span
                key={app}
                className="px-2 py-1 text-xs bg-gray-100 dark:bg-gray-800 text-gray-600 dark:text-gray-400 rounded-md"
              >
                {app}
              </span>
            ))}
            <span className="px-2 py-1 text-xs text-gray-400 dark:text-gray-500">
              +1000 more
            </span>
          </div>
        </div>
      </div>
    </div>
  );
};

export default WorkflowVisual;