'use strict';

const report = require('../../utils/report');
const ruleMessages = require('../../utils/ruleMessages');
const validateOptions = require('../../utils/validateOptions');

const ruleName = 'no-invalid-double-slash-comments';

const messages = ruleMessages(ruleName, {
	rejected: 'Unexpected double-slash CSS comment',
});

const meta = {
	url: 'https://stylelint.io/user-guide/rules/list/no-invalid-double-slash-comments',
};

/** @type {import('stylelint').Rule} */
const rule = (primary) => {
	return (root, result) => {
		const validOptions = validateOptions(result, ruleName, { actual: primary });

		if (!validOptions) {
			return;
		}

		root.walkDecls((decl) => {
			if (decl.prop.startsWith('//')) {
				report({
					message: messages.rejected,
					node: decl,
					result,
					ruleName,
				});
			}
		});

		root.walkRules((ruleNode) => {
			for (const selector of ruleNode.selectors) {
				if (selector.startsWith('//')) {
					report({
						message: messages.rejected,
						node: ruleNode,
						result,
						ruleName,
					});
				}
			}
		});
	};
};

rule.ruleName = ruleName;
rule.messages = messages;
rule.meta = meta;
module.exports = rule;