"use strict"

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

const ruleName = "keyframe-declaration-no-important"

const messages = ruleMessages(ruleName, {
  rejected: "Unexpected !important",
})

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

    root.walkAtRules(/^(-(moz|webkit)-)?keyframes$/i, atRuleKeyframes => {
      atRuleKeyframes.walkDecls(decl => {
        if (!decl.important) {
          return
        }
        report({
          message: messages.rejected,
          node: decl,
          word: "important",
          result,
          ruleName,
        })
      })
    })
  }
}

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