import java.util.Random;

public class SeniorQuestionGenerator extends AbstractQuestionGenerator {
    private static final String[] TRIG_FUNCTIONS = {"sin", "cos", "tan"};
    private static final String[] OPERATORS = {"+", "-"};

    @Override
    public String generateQuestion(int operandCount, Random random) {
        // 确保至少有一个三角函数
        StringBuilder question = new StringBuilder();
        String trigFunction = TRIG_FUNCTIONS[random.nextInt(TRIG_FUNCTIONS.length)];
        int angle = random.nextInt(360);

        question.append(trigFunction).append("(").append(angle).append("°)");

        // 添加其他操作数
        for (int i = 1; i < operandCount; i++) {
            String operator = OPERATORS[random.nextInt(OPERATORS.length)];
            int number = random.nextInt(MAX_OPERAND) + MIN_OPERAND;
            question.append(" ").append(operator).append(" ").append(number);
        }

        return question.toString();
    }

    @Override
    public String getQuestionType() {
        return "高中";
    }
}