"use client";

import { ChatSession } from "../lib/types";
import LanguageDisplay from "./LanguageDisplay";
import CountryDisplay from "./CountryDisplay";
import TranscriptViewer from "./TranscriptViewer";

interface SessionDetailsProps {
  session: ChatSession;
}

/**
 * Component to display session details with formatted country and language names
 */
export default function SessionDetails({ session }: SessionDetailsProps) {
  return (
    <div className="bg-white p-4 rounded-lg shadow">
      <h3 className="font-bold text-lg mb-3">Session Details</h3>

      <div className="space-y-2">
        <div className="flex justify-between border-b pb-2">
          <span className="text-gray-600">Session ID:</span>
          <span className="font-medium">{session.sessionId || session.id}</span>
        </div>

        <div className="flex justify-between border-b pb-2">
          <span className="text-gray-600">Start Time:</span>
          <span className="font-medium">
            {new Date(session.startTime).toLocaleString()}
          </span>
        </div>

        {session.endTime && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">End Time:</span>
            <span className="font-medium">
              {new Date(session.endTime).toLocaleString()}
            </span>
          </div>
        )}

        {session.category && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Category:</span>
            <span className="font-medium">{session.category}</span>
          </div>
        )}

        {session.language && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Language:</span>
            <span className="font-medium">
              <LanguageDisplay languageCode={session.language} />
              <span className="text-gray-400 text-xs ml-1">
                ({session.language.toUpperCase()})
              </span>
            </span>
          </div>
        )}

        {session.country && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Country:</span>
            <span className="font-medium">
              <CountryDisplay countryCode={session.country} />
              <span className="text-gray-400 text-xs ml-1">
                ({session.country})
              </span>
            </span>
          </div>
        )}

        {session.sentiment !== null && session.sentiment !== undefined && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Sentiment:</span>
            <span
              className={`font-medium ${
                session.sentiment > 0.3
                  ? "text-green-500"
                  : session.sentiment < -0.3
                    ? "text-red-500"
                    : "text-orange-500"
              }`}
            >
              {session.sentiment > 0.3
                ? "Positive"
                : session.sentiment < -0.3
                  ? "Negative"
                  : "Neutral"}{" "}
              ({session.sentiment.toFixed(2)})
            </span>
          </div>
        )}

        <div className="flex justify-between border-b pb-2">
          <span className="text-gray-600">Messages Sent:</span>
          <span className="font-medium">{session.messagesSent || 0}</span>
        </div>

        {typeof session.tokens === "number" && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Tokens:</span>
            <span className="font-medium">{session.tokens}</span>
          </div>
        )}

        {typeof session.tokensEur === "number" && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Cost:</span>
            <span className="font-medium">€{session.tokensEur.toFixed(4)}</span>
          </div>
        )}

        {session.avgResponseTime !== null &&
          session.avgResponseTime !== undefined && (
            <div className="flex justify-between border-b pb-2">
              <span className="text-gray-600">Avg Response Time:</span>
              <span className="font-medium">
                {session.avgResponseTime.toFixed(2)}s
              </span>
            </div>
          )}

        {session.escalated !== null && session.escalated !== undefined && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Escalated:</span>
            <span
              className={`font-medium ${session.escalated ? "text-red-500" : "text-green-500"}`}
            >
              {session.escalated ? "Yes" : "No"}
            </span>
          </div>
        )}

        {session.forwardedHr !== null && session.forwardedHr !== undefined && (
          <div className="flex justify-between border-b pb-2">
            <span className="text-gray-600">Forwarded to HR:</span>
            <span
              className={`font-medium ${session.forwardedHr ? "text-amber-500" : "text-green-500"}`}
            >
              {session.forwardedHr ? "Yes" : "No"}
            </span>
          </div>
        )}

        {/* Display transcript using TranscriptViewer if content is available */}
        {session.transcriptContent && session.transcriptContent.length > 0 && (
          <TranscriptViewer
            transcriptContent={session.transcriptContent}
            transcriptUrl={session.fullTranscriptUrl}
          />
        )}
        
        {/* Fallback to link only if we only have the URL but no content */}
        {(!session.transcriptContent || session.transcriptContent.length === 0) && session.fullTranscriptUrl && (
          <div className="flex justify-between pt-2">
            <span className="text-gray-600">Transcript:</span>
            <a
              href={session.fullTranscriptUrl}
              target="_blank"
              rel="noopener noreferrer"
              className="text-blue-500 hover:text-blue-700 underline"
            >
              View Full Transcript
            </a>
          </div>
        )}
      </div>
    </div>
  );
}