"use client"

import { useState, useCallback, useEffect } from "react"
import { AIChat } from "@/components/ai/ai-chat"
import { JobSelector } from "@/components/ai/job-selector"
import { Bot, Lightbulb, Target, MessageSquare, Wifi, WifiOff } from "lucide-react"

export default function AIAssistantPage() {
  const [selectedJob, setSelectedJob] = useState<{ job_title: string; keywords: string[]; industry: string; description: string } | null>(null)
  const [aiOnline, setAiOnline] = useState<boolean | null>(null)

  const handleJobSelect = useCallback((job: typeof selectedJob) => {
    setSelectedJob(job)
  }, [])

  useEffect(() => {
    let cancelled = false
    const check = async () => {
      try {
        const res = await fetch("/api/ai/jobs")
        if (!cancelled) setAiOnline(res.ok)
      } catch {
        if (!cancelled) setAiOnline(false)
      }
    }
    check()
    const id = setInterval(check, 15000)
    return () => { cancelled = true; clearInterval(id) }
  }, [])

  return (
    <div className="flex h-[calc(100vh-3.5rem)]">
      <div className="flex-1 flex flex-col min-w-0">
        <div className="border-b border-[#2a2a35] px-6 py-4">
          <div className="flex items-center gap-3">
            <div className="h-9 w-9 rounded-lg bg-[#1BB0CE]/15 flex items-center justify-center">
              <Bot className="h-5 w-5 text-[#1BB0CE]" />
            </div>
            <div className="flex-1">
              <h1 className="text-lg font-semibold text-[#e8e8ef]">AI Sales Assistant</h1>
              <p className="text-xs text-[#6a6a75]">Uncensored sales tips and strategies powered by local AI</p>
            </div>
            <div className="flex items-center gap-2 text-xs">
              <span className={aiOnline === null ? "text-[#6a6a75]" : aiOnline ? "text-green-400" : "text-red-400"}>
                {aiOnline === null ? "Checking..." : aiOnline ? "Connected" : "Disconnected"}
              </span>
              {aiOnline === null ? (
                <span className="h-2 w-2 rounded-full bg-[#6a6a75]" />
              ) : aiOnline ? (
                <Wifi className="h-3.5 w-3.5 text-green-400" />
              ) : (
                <WifiOff className="h-3.5 w-3.5 text-red-400" />
              )}
            </div>
          </div>
        </div>

        <div className="flex-1 flex">
          <div className="flex-1 flex flex-col min-w-0 border-r border-[#2a2a35]">
            <AIChat />
          </div>

          <div className="w-72 flex-none p-4 space-y-4 overflow-y-auto">
            <div>
              <h3 className="text-xs font-semibold text-[#6a6a75] uppercase tracking-wider mb-2 flex items-center gap-1.5">
                <Target className="h-3.5 w-3.5" />
                Target Job
              </h3>
              <JobSelector onSelect={handleJobSelect} />
            </div>

            {selectedJob && (
              <div className="bg-[#1a1a24] border border-[#2a2a35] rounded-lg p-3 space-y-2">
                <h4 className="text-sm font-medium text-[#e8e8ef]">{selectedJob.job_title}</h4>
                <div className="flex items-center gap-1.5">
                  <span className="text-xs px-1.5 py-0.5 rounded bg-[#1BB0CE]/10 text-[#1BB0CE]">{selectedJob.industry}</span>
                </div>
                <p className="text-xs text-[#8a8a95]">{selectedJob.description}</p>
                <div className="flex flex-wrap gap-1">
                  {selectedJob.keywords.map((kw, i) => (
                    <span key={i} className="text-xs px-1.5 py-0.5 rounded bg-[#2a2a35] text-[#6a6a75]">
                      {kw}
                    </span>
                  ))}
                </div>
              </div>
            )}

            <div className="bg-[#1a1a24] border border-[#2a2a35] rounded-lg p-3 space-y-2">
              <h4 className="text-xs font-semibold text-[#6a6a75] uppercase tracking-wider flex items-center gap-1.5">
                <Lightbulb className="h-3.5 w-3.5" />
                Tips
              </h4>
              <ul className="space-y-1.5 text-xs text-[#8a8a95]">
                <li className="flex gap-2">
                  <MessageSquare className="h-3 w-3 mt-0.5 flex-none text-[#1BB0CE]" />
                  Ask for cold email templates for a specific job
                </li>
                <li className="flex gap-2">
                  <MessageSquare className="h-3 w-3 mt-0.5 flex-none text-[#1BB0CE]" />
                  Request objection handling tips
                </li>
                <li className="flex gap-2">
                  <MessageSquare className="h-3 w-3 mt-0.5 flex-none text-[#1BB0CE]" />
                  Ask for outreach strategies per industry
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  )
}