import { Question } from "@/types/exam";
import { BookmarkCheck, Bookmark } from "lucide-react";
import React, { useState } from "react";
import { Badge } from "./ui/badge";

interface ResultItemProps {
  mode: "result";
  question: Question;
  selectedAnswer: string | undefined;
}

interface ExamItemProps {
  mode: "exam";
  question: Question;
  selectedAnswer?: string;
  handleSelect: (questionId: number, option: string) => void;
}

type QuestionItemProps = ResultItemProps | ExamItemProps;

const QuestionItem = (props: QuestionItemProps) => {
  const [bookmark, setBookmark] = useState(false);
  const { question, selectedAnswer } = props;

  const isExam = props.mode === "exam";

  return (
    <div className="border-[0.5px] border-[#8abdff]/60 rounded-2xl p-4 flex flex-col">
      <h3 className="text-xl font-medium mb-[20px]">
        {question.id}. {question.question}
      </h3>

      <div className="flex justify-between items-center mb-4">
        <div></div>
        <button onClick={() => setBookmark(!bookmark)}>
          {bookmark ? (
            <BookmarkCheck size={25} color="#113768" />
          ) : (
            <Bookmark size={25} color="#113768" />
          )}
        </button>
      </div>

      {isExam ? (
        <div className="flex flex-col gap-4 items-start">
          {Object.entries(question.options).map(([key, value]) => {
            const isSelected = selectedAnswer === key;

            return (
              <button
                key={key}
                className="flex items-center gap-3"
                onClick={
                  isExam
                    ? () => props.handleSelect(question.id, key)
                    : undefined
                }
                disabled={!isExam}
              >
                <span
                  className={`flex items-center rounded-full border px-1.5 ${
                    isSelected ? "text-white bg-[#113768] border-[#113768]" : ""
                  }`}
                >
                  {key.toUpperCase()}
                </span>
                <span className="option-description">{value}</span>
              </button>
            );
          })}
        </div>
      ) : (
        <>
          <div className="flex justify-between items-center">
            <div></div>

            {!selectedAnswer ? (
              <Badge className="bg-yellow-500" variant="destructive">
                Skipped
              </Badge>
            ) : selectedAnswer.answer === question.correctAnswer ? (
              <Badge className="bg-green-500 text-white" variant="default">
                Correct
              </Badge>
            ) : (
              <Badge className="bg-red-500 text-white" variant="default">
                Incorrect
              </Badge>
            )}
          </div>
          <div className="flex flex-col gap-4 items-start">
            {Object.entries(question.options).map(([key, value]) => {
              const isCorrect = key === question.correctAnswer;
              const isSelected = key === selectedAnswer?.answer;

              let optionStyle =
                "px-2 py-1 flex items-center rounded-full border font-medium text-sm";

              if (isCorrect) {
                optionStyle += " bg-green-600 text-white border-green-600";
              }

              if (isSelected && !isCorrect) {
                optionStyle += " bg-red-600 text-white border-red-600";
              }

              if (!isCorrect && !isSelected) {
                optionStyle += " border-gray-300 text-gray-700";
              }

              return (
                <div key={key} className="flex items-center gap-3">
                  <span className={optionStyle}>{key.toUpperCase()}</span>
                  <span className="option-description">{value}</span>
                </div>
              );
            })}
          </div>
          <div className="h-[0.5px] border-[0.5px] border-dashed border-black/20"></div>
          <div className="flex flex-col gap-2">
            <h3 className="text-lg font-bold text-black/40">Solution:</h3>
            <p className="text-lg">{question.solution}</p>
          </div>
        </>
      )}
    </div>
  );
};

export default QuestionItem;