"use strict"

const report = require("../../utils/report")
const ruleMessages = require("../../utils/ruleMessages")
const validateOptions = require("../../utils/validateOptions")

const ruleName = "comment-no-empty"

const messages = ruleMessages(ruleName, {
  rejected: "Unexpected empty comment",
})

const rule = function (actual) {
  return (root, result) => {
    const validOptions = validateOptions(result, ruleName, { actual })
    if (!validOptions) {
      return
    }

    root.walkComments(comment => {
      // To ignore inline SCSS comments
      if (
        comment.raws.inline
        || comment.inline
      ) {
        return
      }

      // To ignore comments that are not empty
      if (
        comment.text
        && comment.text.length !== 0
      ) {
        return
      }

      report({
        message: messages.rejected,
        node: comment,
        result,
        ruleName,
      })
    })
  }
}

rule.ruleName = ruleName
rule.messages = messages
module.exports = rule