import Joi from 'joi';

/**
 * Validator for creating an announcement
 */
export const CreateAnnouncementValidator = Joi.object({
    title: Joi.object({
        th: Joi.string().required().messages({
            'any.required': 'Thai title is required'
        }),
        en: Joi.string().required().messages({
            'any.required': 'English title is required'
        })
    }).required().messages({
        'any.required': 'Title is required'
    }),
    content: Joi.object({
        th: Joi.string().required().messages({
            'any.required': 'Thai content is required'
        }),
        en: Joi.string().required().messages({
            'any.required': 'English content is required'
        })
    }).required().messages({
        'any.required': 'Content is required'
    }),
    status: Joi.string()
        .valid('DRAFT', 'PUBLISHED', 'ARCHIVED')
        .required()
        .messages({
            'any.only': 'Status must be one of: DRAFT, PUBLISHED, ARCHIVED',
            'any.required': 'Status is required'
        }),
    is_pinned: Joi.boolean()
        .required()
        .messages({
            'any.required': 'is_pinned is required'
        }),
    published_at: Joi.string()
        .isoDate()
        .optional()
        .messages({
            'string.isoDate': 'published_at must be a valid ISO date string'
        })
});

/**
 * Validator for updating an announcement
 */
export const UpdateAnnouncementValidator = Joi.object({
    title: Joi.object({
        th: Joi.string().optional(),
        en: Joi.string().optional()
    }).optional(),
    content: Joi.object({
        th: Joi.string().optional(),
        en: Joi.string().optional()
    }).optional(),
    status: Joi.string()
        .valid('DRAFT', 'PUBLISHED', 'ARCHIVED')
        .optional()
        .messages({
            'any.only': 'Status must be one of: DRAFT, PUBLISHED, ARCHIVED'
        }),
    is_pinned: Joi.boolean().optional(),
    published_at: Joi.string()
        .isoDate()
        .optional()
        .messages({
            'string.isoDate': 'published_at must be a valid ISO date string'
        })
});