'use strict';

{{
  const STRIP_FUNCTION = /function\s+anonymous\s*\(it[^)]*\)\s*{|return\s+out;\s*}/g;
  const VAR_OUT = /var\s+out/;
  const OUT_EMPTY_STRING = /out\s*\+=\s*\'\'\s*\+\s*/g;
}}

{{ var name = 'localize_' + it.locale.replace('-','_'); }}
module.exports = function {{=name}}(errors) {
  if (!(errors && errors.length)) return;
  for (const e of errors) {
    let out;
    switch (e.keyword) {
      {{~ it.messages:msg }}
        case "{{= msg.keyword }}":
          {{~ msg.keywords:kwd }}
            case '{{= kwd }}':
          {{~}}
          {{? typeof msg.msgFunc == "function" }}
            {{= stripFunction(msg.msgFunc) }}
          {{?? msg.msgFunc.length }}
            switch (e.params.error) {
              {{~ msg.msgFunc:err }}
                case "{{= err.error }}":
                  {{= stripFunction(err.func) }}
                  break;
              {{~}}
              default:
                {{? it.typeMessage }}
                  {{= stripFunction(it.typeMessage) }}
                {{??}}
                  {{= stripFunction(it.defaultMessage) }}
                {{?}}
            }
          {{??}}
            {{= stripFunction(it.typeMessage) }}
          {{?}}
          break;
      {{~}}
      default:
        {{= stripFunction(it.defaultMessage) }}
    }
    e.message = out;
  }
};

{{
  function stripFunction(code) {
    return code.toString()
            .replace(STRIP_FUNCTION, '')
            .replace(VAR_OUT, 'out')
            .replace(OUT_EMPTY_STRING, 'out += ');
  }
}}