/**
 * Builds the pipe-delimited value used by question-chain button options.
 * Format: questionNumber|type|answer value|answer text
 */
export function buildQuestionChainAnswerValue({
    questionSequence,
    nextQuestionSequence,
    answerResult,
    answerText,
}) {
    if (nextQuestionSequence) {
        return `${questionSequence}|nextQuestion|${nextQuestionSequence}|${answerText}`;
    }

    return `${questionSequence}|answer|${answerResult}|${answerText}`;
}

export function mapQuestionAnswersForChain(question) {
    return question.answers.map((answer) => ({
        buttonLabel: answer.answerText,
        value: buildQuestionChainAnswerValue({
            questionSequence: question.questionSequence,
            nextQuestionSequence: answer.nextQuestionSequence,
            answerResult: answer.answerResult,
            answerText: answer.answerText,
        }),
        nextQuestionSequence: answer.nextQuestionSequence,
        answerResult: answer.answerResult,
        problemQuestionId: answer.problemQuestionId,
        questionSequence: question.questionSequence,
        questionType: answer.nextQuestionSequence ? "nextQuestion" : "answer",
    }));
}

export function isTerminalQuestionChainAnswer(answerSelected) {
    if (!answerSelected) {
        return false;
    }

    const [, questionType, answerResult] = answerSelected.split("|");

    return questionType?.toLowerCase() === "answer" && !!answerResult;
}

export function normalizeAnswerSelectedValue(answerSelected, answers) {
    if (!answerSelected) {
        return "";
    }

    if (answers.some((answer) => answer.value === answerSelected)) {
        return answerSelected;
    }

    const matchedAnswer = answers.find(
        (answer) => answer.value.toUpperCase() === String(answerSelected).toUpperCase()
    );

    return matchedAnswer?.value ?? answerSelected;
}