{{# def.definitions }}
{{# def.errors }}
{{# def.defaults }}
{{# def.coerce }}

{{ /**
    * schema compilation (render) time:
    * it = { schema, RULES, _validate, opts }
    * it.validate - this template function,
    *   it is used recursively to generate code for subschemas
    *
    * runtime:
    * "validate" is a variable name to which this function will be assigned
    * validateRef etc. are defined in the parent scope in index.js
    */ }}

{{ var $async = it.schema.$async === true; }}

{{? it.isTop}}
  {{
    var $top = it.isTop
      , $lvl = it.level = 0
      , $dataLvl = it.dataLevel = 0
      , $data = 'data';
    it.rootId = it.resolve.fullPath(it.root.schema.id);
    it.baseId = it.baseId || it.rootId;
    if ($async) {
      it.async = true;
      var $es7 = it.opts.async == 'es7';
      it.yieldAwait = $es7 ? 'await' : 'yield';
    }
    delete it.isTop;

    it.dataPathArr = [undefined];
  }}

  var validate =
  {{? $async }}
    {{? $es7 }}
      (async function
    {{??}}
      {{? it.opts.async == 'co*'}}co.wrap{{?}}(function*
    {{?}}
  {{??}}
    (function
  {{?}}
    (data, dataPath, parentData, parentDataProperty, rootData) {
    'use strict';
    var vErrors = null; {{ /* don't edit, used in replace */ }}
    var errors = 0;     {{ /* don't edit, used in replace */ }}
    if (rootData === undefined) rootData = data;
{{??}}
  {{
    var $lvl = it.level
      , $dataLvl = it.dataLevel
      , $data = 'data' + ($dataLvl || '');

    if (it.schema.id) it.baseId = it.resolve.url(it.baseId, it.schema.id);

    if ($async && !it.async) throw new Error('async schema in sync schema');
  }}

  var errs_{{=$lvl}} = errors;
{{?}}

{{
  var $valid = 'valid' + $lvl
    , $breakOnError = !it.opts.allErrors
    , $closingBraces1 = ''
    , $closingBraces2 = '';

  var $errorKeyword;
  var $typeSchema = it.schema.type
    , $typeIsArray = Array.isArray($typeSchema);
}}

{{## def.checkType:
  {{
    var $schemaPath = it.schemaPath + '.type'
      , $errSchemaPath = it.errSchemaPath + '/type'
      , $method = $typeIsArray ? 'checkDataTypes' : 'checkDataType';
  }}

  if ({{= it.util[$method]($typeSchema, $data, true) }}) {
#}}

{{? $typeSchema && it.opts.coerceTypes }}
  {{ var $coerceToTypes = it.util.coerceToTypes(it.opts.coerceTypes, $typeSchema); }}
  {{? $coerceToTypes }}
    {{# def.checkType }}
      {{# def.coerceType }}
    }
  {{?}}
{{?}}

{{ var $refKeywords; }}
{{? it.schema.$ref && ($refKeywords = it.util.schemaHasRulesExcept(it.schema, it.RULES.all, '$ref')) }}
  {{? it.opts.extendRefs == 'fail' }}
    {{ throw new Error('$ref: validation keywords used in schema at path "' + it.errSchemaPath + '"'); }}
  {{?? it.opts.extendRefs == 'ignore' }}
    {{
      $refKeywords = false;
      console.log('$ref: keywords ignored in schema at path "' + it.errSchemaPath + '"');
    }}
  {{?? it.opts.extendRefs !== true }}
    {{ console.log('$ref: all keywords used in schema at path "' + it.errSchemaPath + '". It will change in the next major version, see issue #260. Use option { extendRefs: true } to keep current behaviour'); }}
  {{?}}
{{?}}

{{? it.schema.$ref && !$refKeywords }}
  {{= it.RULES.all.$ref.code(it, '$ref') }}
  {{? $breakOnError }}
    }
    if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
    {{ $closingBraces2 += '}'; }}
  {{?}}
{{??}}
  {{~ it.RULES:$rulesGroup }}
    {{? $shouldUseGroup($rulesGroup) }}
      {{? $rulesGroup.type }}
        if ({{= it.util.checkDataType($rulesGroup.type, $data) }}) {
      {{?}}
        {{? it.opts.useDefaults && !it.compositeRule }}
          {{? $rulesGroup.type == 'object' && it.schema.properties }}
            {{# def.defaultProperties }}
          {{?? $rulesGroup.type == 'array' && Array.isArray(it.schema.items) }}
            {{# def.defaultItems }}
          {{?}}
        {{?}}
        {{~ $rulesGroup.rules:$rule }}
          {{? $shouldUseRule($rule) }}
            {{= $rule.code(it, $rule.keyword) }}
            {{? $breakOnError }}
              {{ $closingBraces1 += '}'; }}
            {{?}}
          {{?}}
        {{~}}
        {{? $breakOnError }}
          {{= $closingBraces1 }}
          {{ $closingBraces1 = ''; }}
        {{?}}
      {{? $rulesGroup.type }}
        }
        {{? $typeSchema && $typeSchema === $rulesGroup.type && !$coerceToTypes }}
          {{ var $typeChecked = true; }}
          else {
            {{
              var $schemaPath = it.schemaPath + '.type'
                , $errSchemaPath = it.errSchemaPath + '/type';
            }}
            {{# def.error:'type' }}
          }
        {{?}}
      {{?}}

      {{? $breakOnError }}
        if (errors === {{?$top}}0{{??}}errs_{{=$lvl}}{{?}}) {
        {{ $closingBraces2 += '}'; }}
      {{?}}
    {{?}}
  {{~}}
{{?}}

{{? $typeSchema && !$typeChecked && !$coerceToTypes }}
  {{# def.checkType }}
    {{# def.error:'type' }}
  }
{{?}}

{{? $breakOnError }} {{= $closingBraces2 }} {{?}}

{{? $top }}
    {{? $async }}
      if (errors === 0) return true;           {{ /* don't edit, used in replace */ }}
      else throw new ValidationError(vErrors); {{ /* don't edit, used in replace */ }}
    {{??}}
      validate.errors = vErrors; {{ /* don't edit, used in replace */ }}
      return errors === 0;       {{ /* don't edit, used in replace */ }}
    {{?}}
  });

  return validate;
{{??}}
  var {{=$valid}} = errors === errs_{{=$lvl}};
{{?}}

{{# def.cleanUp }}

{{? $top && $breakOnError }}
  {{# def.cleanUpVarErrors }}
{{?}}

{{
  function $shouldUseGroup($rulesGroup) {
    for (var i=0; i < $rulesGroup.rules.length; i++)
      if ($shouldUseRule($rulesGroup.rules[i]))
        return true;
  }

  function $shouldUseRule($rule) {
    return it.schema[$rule.keyword] !== undefined ||
           ( $rule.keyword == 'properties' &&
             ( it.schema.additionalProperties === false ||
               typeof it.schema.additionalProperties == 'object'
               || ( it.schema.patternProperties &&
                    Object.keys(it.schema.patternProperties).length )
               || ( it.opts.v5 && it.schema.patternGroups &&
                    Object.keys(it.schema.patternGroups).length )));
  }
}}