import _extends from 'babel-runtime/helpers/extends';
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import _typeof from 'babel-runtime/helpers/typeof';
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import { format, complementError, asyncMap, warning, deepMerge } from './util';
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import validators from './validator/';
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import { messages as defaultMessages, newMessages } from './messages';
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/**
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* Encapsulates a validation schema.
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*
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* @param descriptor An object declaring validation rules
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* for this schema.
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*/
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function Schema(descriptor) {
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this.rules = null;
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this._messages = defaultMessages;
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this.define(descriptor);
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}
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Schema.prototype = {
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messages: function messages(_messages) {
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if (_messages) {
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this._messages = deepMerge(newMessages(), _messages);
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}
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return this._messages;
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},
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define: function define(rules) {
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if (!rules) {
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throw new Error('Cannot configure a schema with no rules');
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}
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if ((typeof rules === 'undefined' ? 'undefined' : _typeof(rules)) !== 'object' || Array.isArray(rules)) {
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throw new Error('Rules must be an object');
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}
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this.rules = {};
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var z = void 0;
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var item = void 0;
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for (z in rules) {
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if (rules.hasOwnProperty(z)) {
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item = rules[z];
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this.rules[z] = Array.isArray(item) ? item : [item];
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}
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}
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},
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validate: function validate(source_) {
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var _this = this;
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var o = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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var oc = arguments[2];
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var source = source_;
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var options = o;
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var callback = oc;
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if (typeof options === 'function') {
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callback = options;
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options = {};
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}
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if (!this.rules || Object.keys(this.rules).length === 0) {
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if (callback) {
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callback();
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}
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return;
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}
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function complete(results) {
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var i = void 0;
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var field = void 0;
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var errors = [];
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var fields = {};
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function add(e) {
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if (Array.isArray(e)) {
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errors = errors.concat.apply(errors, e);
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} else {
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errors.push(e);
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}
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}
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for (i = 0; i < results.length; i++) {
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add(results[i]);
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}
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if (!errors.length) {
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errors = null;
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fields = null;
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} else {
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for (i = 0; i < errors.length; i++) {
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field = errors[i].field;
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fields[field] = fields[field] || [];
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fields[field].push(errors[i]);
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}
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}
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callback(errors, fields);
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}
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if (options.messages) {
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var messages = this.messages();
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if (messages === defaultMessages) {
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messages = newMessages();
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}
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deepMerge(messages, options.messages);
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options.messages = messages;
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} else {
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options.messages = this.messages();
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}
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var arr = void 0;
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var value = void 0;
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var series = {};
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var keys = options.keys || Object.keys(this.rules);
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keys.forEach(function (z) {
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arr = _this.rules[z];
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value = source[z];
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arr.forEach(function (r) {
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var rule = r;
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if (typeof rule.transform === 'function') {
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if (source === source_) {
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source = _extends({}, source);
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}
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value = source[z] = rule.transform(value);
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}
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if (typeof rule === 'function') {
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rule = {
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validator: rule
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};
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} else {
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rule = _extends({}, rule);
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}
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rule.validator = _this.getValidationMethod(rule);
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rule.field = z;
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rule.fullField = rule.fullField || z;
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rule.type = _this.getType(rule);
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if (!rule.validator) {
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return;
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}
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series[z] = series[z] || [];
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series[z].push({
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rule: rule,
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value: value,
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source: source,
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field: z
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});
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});
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});
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var errorFields = {};
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asyncMap(series, options, function (data, doIt) {
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var rule = data.rule;
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var deep = (rule.type === 'object' || rule.type === 'array') && (_typeof(rule.fields) === 'object' || _typeof(rule.defaultField) === 'object');
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deep = deep && (rule.required || !rule.required && data.value);
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rule.field = data.field;
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function addFullfield(key, schema) {
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return _extends({}, schema, {
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fullField: rule.fullField + '.' + key
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});
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}
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function cb() {
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var e = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
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var errors = e;
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if (!Array.isArray(errors)) {
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errors = [errors];
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}
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if (errors.length) {
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warning('async-validator:', errors);
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}
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if (errors.length && rule.message) {
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errors = [].concat(rule.message);
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}
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errors = errors.map(complementError(rule));
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if (options.first && errors.length) {
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errorFields[rule.field] = 1;
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return doIt(errors);
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}
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if (!deep) {
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doIt(errors);
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} else {
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// if rule is required but the target object
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// does not exist fail at the rule level and don't
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// go deeper
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if (rule.required && !data.value) {
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if (rule.message) {
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errors = [].concat(rule.message).map(complementError(rule));
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} else if (options.error) {
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errors = [options.error(rule, format(options.messages.required, rule.field))];
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} else {
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errors = [];
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}
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return doIt(errors);
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}
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var fieldsSchema = {};
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if (rule.defaultField) {
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for (var k in data.value) {
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if (data.value.hasOwnProperty(k)) {
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fieldsSchema[k] = rule.defaultField;
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}
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}
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}
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fieldsSchema = _extends({}, fieldsSchema, data.rule.fields);
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for (var f in fieldsSchema) {
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if (fieldsSchema.hasOwnProperty(f)) {
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var fieldSchema = Array.isArray(fieldsSchema[f]) ? fieldsSchema[f] : [fieldsSchema[f]];
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fieldsSchema[f] = fieldSchema.map(addFullfield.bind(null, f));
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}
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}
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var schema = new Schema(fieldsSchema);
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schema.messages(options.messages);
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if (data.rule.options) {
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data.rule.options.messages = options.messages;
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data.rule.options.error = options.error;
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}
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schema.validate(data.value, data.rule.options || options, function (errs) {
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doIt(errs && errs.length ? errors.concat(errs) : errs);
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});
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}
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}
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var res = rule.validator(rule, data.value, cb, data.source, options);
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if (res && res.then) {
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res.then(function () {
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return cb();
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}, function (e) {
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return cb(e);
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});
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}
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}, function (results) {
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complete(results);
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});
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},
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getType: function getType(rule) {
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if (rule.type === undefined && rule.pattern instanceof RegExp) {
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rule.type = 'pattern';
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}
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if (typeof rule.validator !== 'function' && rule.type && !validators.hasOwnProperty(rule.type)) {
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throw new Error(format('Unknown rule type %s', rule.type));
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}
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return rule.type || 'string';
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},
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getValidationMethod: function getValidationMethod(rule) {
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if (typeof rule.validator === 'function') {
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return rule.validator;
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}
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var keys = Object.keys(rule);
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var messageIndex = keys.indexOf('message');
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if (messageIndex !== -1) {
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keys.splice(messageIndex, 1);
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}
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if (keys.length === 1 && keys[0] === 'required') {
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return validators.required;
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}
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return validators[this.getType(rule)] || false;
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}
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};
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Schema.register = function register(type, validator) {
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if (typeof validator !== 'function') {
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throw new Error('Cannot register a validator by type, validator is not a function');
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}
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validators[type] = validator;
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};
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Schema.messages = defaultMessages;
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export default Schema;
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