"use strict"

const report = require("../../utils/report")
const ruleMessages = require("../../utils/ruleMessages")
const validateOptions = require("../../utils/validateOptions")
const styleSearch = require("style-search")

const ruleName = "string-quotes"

const messages = ruleMessages(ruleName, {
  expected: q => `Expected ${q} quotes`,
})

const rule = function (expectation) {
  const erroneousQuote = expectation === "single" ? "\"" : "'"

  return (root, result) => {
    const validOptions = validateOptions(result, ruleName, {
      actual: expectation,
      possible: [
        "single",
        "double",
      ],
    })
    if (!validOptions) {
      return
    }

    const cssString = root.toString()
    styleSearch({ source: cssString, target: erroneousQuote }, match => {
      report({
        message: messages.expected(expectation),
        node: root,
        index: match.startIndex,
        result,
        ruleName,
      })
    })
  }
}

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