import React, { useEffect, useRef } from 'react';
import { Loader, TrendingUp, Search, Eye } from 'lucide-react';
import { AnalysisState } from '../types';

interface StepProcessingProps {
  state: AnalysisState;
}

export const StepProcessing: React.FC<StepProcessingProps> = ({ state }) => {
  const percentage = Math.round((state.completed / state.total) * 100) || 0;
  const terminalRef = useRef<HTMLDivElement>(null);

  useEffect(() => {
    if (terminalRef.current) {
      terminalRef.current.scrollTop = terminalRef.current.scrollHeight;
    }
  }, [state.completed, state.currentCompany, state.terminalLogs]);

  return (
    <div className="max-w-3xl mx-auto mt-12 px-4">
      <div className="text-center mb-8">
        <div className="inline-block p-3 bg-indigo-50 rounded-full mb-4">
           <Loader className="animate-spin text-indigo-600" size={32} />
        </div>
        <h2 className="text-2xl font-bold text-slate-900">Running Market Audit</h2>
        <p className="text-slate-600">Analyzing digital traces based on your strategy...</p>
      </div>

      <div className="bg-white p-6 rounded-xl shadow-sm border border-slate-200 mb-6">
        <div className="flex justify-between text-sm font-medium text-slate-700 mb-2">
          <span>Overall Progress</span>
          <span>{percentage}% ({state.completed}/{state.total})</span>
        </div>
        <div className="w-full bg-slate-100 rounded-full h-4 overflow-hidden">
          <div className="bg-indigo-600 h-4 rounded-full transition-all duration-500 ease-out" style={{ width: `${percentage}%` }}></div>
        </div>
      </div>

      <div className="bg-slate-900 rounded-xl shadow-xl overflow-hidden font-mono text-sm border border-slate-700">
        <div className="bg-slate-800 px-4 py-2 flex items-center justify-between border-b border-slate-700">
          <div className="flex gap-2">
            <div className="w-3 h-3 rounded-full bg-red-500/80"></div>
            <div className="w-3 h-3 rounded-full bg-yellow-500/80"></div>
            <div className="w-3 h-3 rounded-full bg-green-500/80"></div>
          </div>
          <span className="text-slate-500 text-[10px] uppercase font-bold tracking-widest">Deep Tech Audit Session</span>
        </div>
        <div ref={terminalRef} className="p-6 h-80 overflow-y-auto text-slate-300 space-y-1.5 scroll-smooth scrollbar-thin scrollbar-thumb-slate-700">
            {state.terminalLogs?.map((log, idx) => (
                <div key={idx} className="flex gap-3 animate-in fade-in slide-in-from-left-2 duration-300">
                    <span className="text-slate-600 shrink-0">[{new Date().toLocaleTimeString([], {hour: '2-digit', minute:'2-digit', second: '2-digit'})}]</span>
                    <span className={log.startsWith('>') ? 'text-indigo-400 font-bold' : log.includes('✓') ? 'text-emerald-400' : 'text-slate-300'}>
                        {log}
                    </span>
                </div>
            ))}
            {!state.terminalLogs?.length && <div className="text-slate-500 italic">Initializing agent...</div>}
        </div>
      </div>
    </div>
  );
};