import Joi from 'joi';

/**
 * Validator for saving video progress
 */
export const SaveVideoProgressValidator = Joi.object({
    video_progress_seconds: Joi.number().min(0).required().messages({
        'any.required': 'Video progress seconds is required',
        'number.min': 'Video progress must be at least 0'
    }),
    video_duration_seconds: Joi.number().min(0).optional().messages({
        'number.min': 'Video duration must be at least 0'
    })
});

/**
 * Validator for quiz answer
 */
const QuizAnswerValidator = Joi.object({
    question_id: Joi.number().integer().positive().required().messages({
        'any.required': 'Question ID is required',
        'number.positive': 'Question ID must be positive'
    }),
    choice_id: Joi.number().integer().positive().required().messages({
        'any.required': 'Choice ID is required',
        'number.positive': 'Choice ID must be positive'
    })
});

/**
 * Validator for submitting quiz answers
 */
export const SubmitQuizValidator = Joi.object({
    answers: Joi.array().items(QuizAnswerValidator).min(1).required().messages({
        'any.required': 'Answers are required',
        'array.min': 'At least one answer is required'
    })
});