/**
 * Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/
RED.validators = {
    number: function(blankAllowed,mopt){
        return function(v, opt) {
            if ((blankAllowed&&(v===''||v===undefined)) || (v!=='' && !isNaN(v))) {
                return true;
            }
            if (opt && opt.label) {
                return RED._("validator.errors.invalid-num-prop", {
                    prop: opt.label
                });
            }
            return opt ? RED._("validator.errors.invalid-num") : false;
        };
    },
    regex: function(re, mopt) {
        return function(v, opt) {
            if (re.test(v)) {
                return true;
            }
            if (opt && opt.label) {
                return RED._("validator.errors.invalid-regex-prop", {
                    prop: opt.label
                });
            }
            return opt ? RED._("validator.errors.invalid-regexp") : false;
        };
    },
    typedInput: function(ptypeName,isConfig,mopt) {
        return function(v, opt) {
            var ptype = $("#node-"+(isConfig?"config-":"")+"input-"+ptypeName).val() || this[ptypeName];
            if (ptype === 'json') {
                try {
                    JSON.parse(v);
                    return true;
                } catch(err) {
                    if (opt && opt.label) {
                        return RED._("validator.errors.invalid-json-prop", {
                            error: err.message,
                            prop: opt.label,
                        });
                    }
                    return opt ? RED._("validator.errors.invalid-json", {
                        error: err.message
                    }) : false;
                }
            } else if (ptype === 'msg' || ptype === 'flow' || ptype === 'global' ) {
                if (RED.utils.validatePropertyExpression(v)) {
                    return true;
                }
                if (opt && opt.label) {
                    return RED._("validator.errors.invalid-prop-prop", {
                        prop: opt.label
                    });
                }
                return opt ? RED._("validator.errors.invalid-prop") : false;
            } else if (ptype === 'num') {
                if (/^[+-]?[0-9]*\.?[0-9]*([eE][-+]?[0-9]+)?$/.test(v)) {
                    return true;
                }
                if (opt && opt.label) {
                    return RED._("validator.errors.invalid-num-prop", {
                        prop: opt.label
                    });
                }
                return opt ? RED._("validator.errors.invalid-num") : false;
            }
            return true;
        };
    }
};