var validator = require('../validator')
  , format = require('util').format
  , contextify = require('contextify')
  , assert = require('assert')
  , path = require('path')
  , fs = require('fs');

var validator_js = fs.readFileSync(path.join(__dirname, '../validator.js')).toString();

function test(options) {
    var args = options.args || [];
    args.unshift(null);
    if (options.valid) {
        options.valid.forEach(function (valid) {
            args[0] = valid;
            if (validator[options.validator].apply(validator, args) !== true) {
                var warning = format('validator.%s(%s) failed but should have passed',
                    options.validator, args.join(', '));
                throw new Error(warning);
            }
        });
    }
    if (options.invalid) {
        options.invalid.forEach(function (invalid) {
            args[0] = invalid;
            if (validator[options.validator].apply(validator, args) !== false) {
                var warning = format('validator.%s(%s) passed but should have failed',
                    options.validator, args.join(', '));
                throw new Error(warning);
            }
        });
    }
}

describe('Validators', function () {

    it('should validate email addresses', function () {
        test({
            validator: 'isEmail'
          , valid: [
                'foo@bar.com'
              , 'x@x.x'
              , 'foo@bar.com.au'
              , 'foo+bar@bar.com'
              , 'hans.m端ller@test.com'
              , 'hans@m端ller.com'
              , 'test|123@m端ller.com'
            ]
          , invalid: [
                'invalidemail@'
              , 'invalid.com'
              , '@invalid.com'
              , 'foo@bar.com.'
              , 'foo@bar.co.uk.'
            ]
        });
    });

    it('should validate URLs', function () {
        test({
            validator: 'isURL'
          , valid: [
                'foobar.com'
              , 'www.foobar.com'
              , 'foobar.com/'
              , 'valid.au'
              , 'http://www.foobar.com/'
              , 'http://www.foobar.com:23/'
              , 'http://www.foobar.com:65535/'
              , 'http://www.foobar.com:5/'
              , 'https://www.foobar.com/'
              , 'ftp://www.foobar.com/'
              , 'http://www.foobar.com/~foobar'
              , 'http://user:pass@www.foobar.com/'
              , 'http://127.0.0.1/'
              , 'http://10.0.0.0/'
              , 'http://189.123.14.13/'
              , 'http://duckduckgo.com/?q=%2F'
              , 'http://foobar.com/t$-_.+!*\'(),'
              , 'http://localhost:3000/'
              , 'http://foobar.com/?foo=bar#baz=qux'
              , 'http://foobar.com?foo=bar'
              , 'http://foobar.com#baz=qux'
              , 'http://www.xn--froschgrn-x9a.net/'
              , 'http://xn--froschgrn-x9a.com/'
              , 'http://foo--bar.com'
            ]
          , invalid: [
                'xyz://foobar.com'
              , 'invalid/'
              , 'invalid.x'
              , 'invalid.'
              , '.com'
              , 'http://com/'
              , 'http://300.0.0.1/'
              , 'mailto:foo@bar.com'
              , 'rtmp://foobar.com'
              , 'http://www.xn--.com/'
              , 'http://xn--.com/'
              , 'http://www.foobar.com:0/'
              , 'http://www.foobar.com:70000/'
              , 'http://www.foobar.com:99999/'
              , 'http://www.-foobar.com/'
              , 'http://www.foobar-.com/'
              , 'http://www.foo---bar.com/'
              , 'http://www.foo_bar.com/'
              , ''
              , 'http://foobar.com/' + new Array(2083).join('f'),
              , 'http://*.foo.com',
              , '*.foo.com',
              , '!.foo.com'
            ]
        });
    });

    it('should validate URLs with custom protocols', function () {
        test({
            validator: 'isURL'
          , args: [{
                protocols: [ 'rtmp' ]
            }]
          , valid: [
              , 'rtmp://foobar.com'
            ]
          , invalid: [
                'http://foobar.com'
            ]
        });
    });

    it('should validate URLs with underscores', function () {
        test({
            validator: 'isURL'
          , args: [{
                allow_underscores: true
            }]
          , valid: [
                'http://foo_bar.com'
              , 'http://pr.example_com.294.example.com/'
            ]
          , invalid: [
                'http://foo__bar.com'
            ]
        });
    });

    it('should validate URLs that do not have a TLD', function () {
        test({
            validator: 'isURL'
          , args: [{
                require_tld: false
            }]
          , valid: [
              , 'http://foobar.com/'
              , 'http://foobar/'
              , 'foobar/'
              , 'foobar'
            ]
          , invalid: [
                'foobar.'
            ]
        });
    });

    it('should let users specify whether URLs require a protocol', function () {
        test({
            validator: 'isURL'
          , args: [{
                require_protocol: true
            }]
          , valid: [
              , 'http://foobar.com/'
              , 'http://localhost/'
            ]
          , invalid: [
                'foobar.com'
              , 'foobar'
            ]
        });
    });

    it('should let users specify a host whitelist', function () {
        test({
            validator: 'isURL'
          , args: [{
                host_whitelist: ['foo.com', 'bar.com']
            }]
          , valid: [
                'http://bar.com/'
              , 'http://foo.com/'
            ]
          , invalid: [
                'http://foobar.com'
              , 'http://foo.bar.com/'
              , 'http://qux.com'
            ]
        });
    });

    it('should let users specify a host blacklist', function () {
        test({
            validator: 'isURL'
          , args: [{
                host_blacklist: ['foo.com', 'bar.com']
            }]
          , valid: [
                'http://foobar.com'
              , 'http://foo.bar.com/'
              , 'http://qux.com'
            ]
          , invalid: [
                'http://bar.com/'
              , 'http://foo.com/'
            ]
        });
    });

    it('should validate IP addresses', function () {
        test({
            validator: 'isIP'
          , valid: [
                '127.0.0.1'
              , '0.0.0.0'
              , '255.255.255.255'
              , '1.2.3.4'
              , '::1'
              , '2001:db8:0000:1:1:1:1:1'
            ]
          , invalid: [
                'abc'
              , '256.0.0.0'
              , '0.0.0.256'
              , '26.0.0.256'
            ]
        });
        test({
            validator: 'isIP'
          , args: [ 4 ]
          , valid: [
                '127.0.0.1'
              , '0.0.0.0'
              , '255.255.255.255'
              , '1.2.3.4'
            ]
          , invalid: [
                '::1'
              , '2001:db8:0000:1:1:1:1:1'
            ]
        });
        test({
            validator: 'isIP'
          , args: [ 6 ]
          , valid: [
                '::1'
              , '2001:db8:0000:1:1:1:1:1'
            ]
          , invalid: [
                '127.0.0.1'
              , '0.0.0.0'
              , '255.255.255.255'
              , '1.2.3.4'
            ]
        });
        test({
            validator: 'isIP'
          , args: [ 10 ]
          , valid: [
            ]
          , invalid: [
                '127.0.0.1'
              , '0.0.0.0'
              , '255.255.255.255'
              , '1.2.3.4'
              , '::1'
              , '2001:db8:0000:1:1:1:1:1'
            ]
        });
    });

    it('should validate FQDN', function () {
        test({
            validator: 'isFQDN'
          , valid: [
                'domain.com'
              , 'dom.plato'
              , 'a.domain.co',
              , 'foo--bar.com',
              , 'xn--froschgrn-x9a.com',
              , 'rebecca.blackfriday'
            ]
          , invalid: [
                'abc'
              , '256.0.0.0'
              , '_.com',
              , '*.some.com',
              , 's!ome.com',
              , 'domain.com/',
              , '/more.com'
            ]
        });
    });

    it('should validate alpha strings', function () {
        test({
            validator: 'isAlpha'
          , valid: [
                'abc'
              , 'ABC'
              , 'FoObar'
            ]
          , invalid: [
                'abc1'
              , '  foo  '
              , ''
            ]
        });
    });

    it('should validate alphanumeric strings', function () {
        test({
            validator: 'isAlphanumeric'
          , valid: [
                'abc123'
              , 'ABC11'
            ]
          , invalid: [
                'abc '
              , 'foo!!'
            ]
        });
    });

    it('should validate numeric strings', function () {
        test({
            validator: 'isNumeric'
          , valid: [
                '123'
              , '00123'
              , '-00123'
              , '0'
              , '-0'
            ]
          , invalid: [
                '123.123'
              , ' '
              , '.'
            ]
        });
    });

    it('should validate lowercase strings', function () {
        test({
            validator: 'isLowercase'
          , valid: [
                'abc'
              , 'abc123'
              , 'this is lowercase.'
              , 'tr竪s 端ber'
            ]
          , invalid: [
                'fooBar'
              , '123A'
            ]
        });
    });

    it('should validate uppercase strings', function () {
        test({
            validator: 'isUppercase'
          , valid: [
                'ABC'
              , 'ABC123'
              , 'ALL CAPS IS FUN.'
              , '   .'
            ]
          , invalid: [
                'fooBar'
              , '123abc'
            ]
        });
    });

    it('should validate integers', function () {
        test({
            validator: 'isInt'
          , valid: [
                '13'
              , '123'
              , '0'
              , '123'
              , '-0'
            ]
          , invalid: [
                '01'
              , '-01'
              , '000'
              , '100e10'
              , '123.123'
              , '   '
              , ''
            ]
        });
    });

    it('should validate floats', function () {
        test({
            validator: 'isFloat'
          , valid: [
                '123'
              , '123.'
              , '123.123'
              , '-123.123'
              , '-0.123'
              , '0.123'
              , '.0'
              , '01.123'
              , '-0.22250738585072011e-307'
            ]
          , invalid: [
                '-.123'
              , '  '
              , ''
              , 'foo'
            ]
        });
    });

    it('should validate hexadecimal strings', function () {
        test({
            validator: 'isHexadecimal'
          , valid: [
                'deadBEEF'
              , 'ff0044'
            ]
          , invalid: [
                'abcdefg'
              , ''
              , '..'
            ]
        });
    });

    it('should validate hexadecimal color strings', function () {
        test({
            validator: 'isHexColor'
          , valid: [
                '#ff0034'
              , '#CCCCCC'
              , 'fff'
              , '#f00'
            ]
          , invalid: [
                '#ff'
              , 'fff0'
              , '#ff12FG'
            ]
        });
    });

    it('should validate null strings', function () {
        test({
            validator: 'isNull'
          , valid: [
                ''
              , NaN
              , []
              , undefined
              , null
            ]
          , invalid: [
              , ' '
              , 'foo'
            ]
        });
    });

    it('should validate strings against an expected value', function () {
        test({ validator: 'equals', args: ['abc'], valid: ['abc'], invalid: ['Abc', '123'] });
    });

    it('should validate strings contain another string', function () {
        test({ validator: 'contains', args: ['foo'], valid: ['foo', 'foobar', 'bazfoo'],
            invalid: ['bar', 'fobar'] });
    });

    it('should validate strings against a pattern', function () {
        test({ validator: 'matches', args: [/abc/], valid: ['abc', 'abcdef', '123abc'],
            invalid: ['acb', 'Abc'] });
        test({ validator: 'matches', args: ['abc'], valid: ['abc', 'abcdef', '123abc'],
            invalid: ['acb', 'Abc'] });
        test({ validator: 'matches', args: ['abc', 'i'], valid: ['abc', 'abcdef', '123abc', 'AbC'],
            invalid: ['acb'] });
    });

    it('should validate strings by length', function () {
        test({ validator: 'isLength', args: [2], valid: ['abc', 'de', 'abcd'], invalid: [ '', 'a' ] });
        test({ validator: 'isLength', args: [2, 3], valid: ['abc', 'de'], invalid: [ '', 'a', 'abcd' ] });
        test({ validator: 'isLength', args: [2, 3], valid: ['干𩸽', '𠮷野家'], invalid: [ '', '𠀋', '千竈通り' ] });
    });

    it('should validate strings by byte length', function () {
        test({ validator: 'isByteLength', args: [2], valid: ['abc', 'de', 'abcd'], invalid: [ '', 'a' ] });
        test({ validator: 'isByteLength', args: [2, 3], valid: ['abc', 'de'], invalid: [ '', 'a', 'abcd' ] });
    });

    it('should validate UUIDs', function () {
        test({
            validator: 'isUUID'
          , valid: [
                'A987FBC9-4BED-3078-CF07-9141BA07C9F3'
              , 'A987FBC9-4BED-4078-8F07-9141BA07C9F3'
              , 'A987FBC9-4BED-5078-AF07-9141BA07C9F3'
            ]
          , invalid: [
                ''
              , 'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3'
              , 'A987FBC9-4BED-3078-CF07-9141BA07C9F3xxx'
              , 'A987FBC94BED3078CF079141BA07C9F3'
              , '934859'
              , '987FBC9-4BED-3078-CF07A-9141BA07C9F3'
              , 'AAAAAAAA-1111-1111-AAAG-111111111111'
            ]
        });
        test({
            validator: 'isUUID'
          , args: [ 3 ]
          , valid: [
                'A987FBC9-4BED-3078-CF07-9141BA07C9F3'
            ]
          , invalid: [
                ''
              , 'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3'
              , '934859'
              , 'AAAAAAAA-1111-1111-AAAG-111111111111'
              , 'A987FBC9-4BED-4078-8F07-9141BA07C9F3'
              , 'A987FBC9-4BED-5078-AF07-9141BA07C9F3'
            ]
        });
        test({
            validator: 'isUUID'
          , args: [ 4 ]
          , valid: [
                '713ae7e3-cb32-45f9-adcb-7c4fa86b90c1'
              , '625e63f3-58f5-40b7-83a1-a72ad31acffb'
              , '57b73598-8764-4ad0-a76a-679bb6640eb1'
              , '9c858901-8a57-4791-81fe-4c455b099bc9'
            ]
          , invalid: [
                ''
              , 'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3'
              , '934859'
              , 'AAAAAAAA-1111-1111-AAAG-111111111111'
              , 'A987FBC9-4BED-5078-AF07-9141BA07C9F3'
              , 'A987FBC9-4BED-3078-CF07-9141BA07C9F3'
            ]
        });
        test({
            validator: 'isUUID'
          , args: [ 5 ]
          , valid: [
                '987FBC97-4BED-5078-AF07-9141BA07C9F3'
              , '987FBC97-4BED-5078-BF07-9141BA07C9F3'
              , '987FBC97-4BED-5078-8F07-9141BA07C9F3'
              , '987FBC97-4BED-5078-9F07-9141BA07C9F3'
            ]
          , invalid: [
                ''
              , 'xxxA987FBC9-4BED-3078-CF07-9141BA07C9F3'
              , '934859'
              , 'AAAAAAAA-1111-1111-AAAG-111111111111'
              , '9c858901-8a57-4791-81fe-4c455b099bc9'
              , 'A987FBC9-4BED-3078-CF07-9141BA07C9F3'
            ]
        });
    });

    it('should validate a string that is in another string or array', function () {
        test({ validator: 'isIn', args: ['foobar'], valid: ['foo', 'bar', 'foobar', ''],
            invalid: ['foobarbaz', 'barfoo'] });
        test({ validator: 'isIn', args: [['foo', 'bar']], valid: ['foo', 'bar'],
            invalid: ['foobar', 'barfoo', ''] });
        test({ validator: 'isIn', args: [[1, 2, 3]], valid: ['1', '2', '3'],
            invalid: ['4', ''] });
        test({ validator: 'isIn', invalid: ['foo', ''] });
    });

    it('should validate dates', function () {
        test({
            validator: 'isDate'
          , valid: [
                '2011-08-04'
              , '04. 08. 2011.'
              , '08/04/2011'
              , '2011.08.04'
              , '4. 8. 2011. GMT'
              , '2011-08-04 12:00'
            ]
          , invalid: [
                'foo'
              , '2011-foo-04'
              , 'GMT'
            ]
        });
    });

    it('should validate dates against a start date', function () {
        test({ validator: 'isAfter', args: ['2011-08-03'],
            valid: [ '2011-08-04', new Date(2011, 8, 10) ],
            invalid: [ '2010-07-02', '2011-08-03', new Date(0), 'foo'] });
        test({ validator: 'isAfter',
            valid: [ '2100-08-04', new Date(Date.now() + 86400000) ],
            invalid: [ '2010-07-02', new Date(0) ] });
    });

    it('should validate dates against an end date', function () {
        test({ validator: 'isBefore', args: ['08/04/2011'],
            valid: [ '2010-07-02', '2010-08-04', new Date(0) ],
            invalid: [ '08/04/2011', new Date(2011, 9, 10) ] });
        test({ validator: 'isBefore', args: [ new Date(2011, 7, 4) ],
            valid: [ '2010-07-02', '2010-08-04', new Date(0) ],
            invalid: [ '08/04/2011', new Date(2011, 9, 10) ] });
        test({ validator: 'isBefore',
            valid: [ '2000-08-04', new Date(0), new Date(Date.now() - 86400000) ],
            invalid: [ '2100-07-02', new Date(2017, 10, 10) ] });
    });

    it('should validate that integer strings are divisible by a number', function () {
        test({
            validator: 'isDivisibleBy'
          , args: [ 2 ]
          , valid: [ '2', '4', '100', '1000' ]
          , invalid: [
                '1'
              , '2.5'
              , '101'
              , 'foo'
              , ''
            ]
        });
    });

    it('should validate credit cards', function () {
        test({
            validator: 'isCreditCard'
          , valid: [
                '375556917985515'
              , '36050234196908'
              , '4716461583322103'
              , '4716-2210-5188-5662'
              , '4929 7226 5379 7141'
              , '5398228707871527'
            ]
          , invalid: [
                'foo'
              , 'foo'
              , '5398228707871528'
            ]
        });
    });

    it('should validate ISBNs', function () {
        test({
            validator: 'isISBN'
          , args: [ 10 ]
          , valid: [
                '3836221195', '3-8362-2119-5', '3 8362 2119 5'
              , '1617290858', '1-61729-085-8', '1 61729 085-8'
              , '0007269706', '0-00-726970-6', '0 00 726970 6'
              , '3423214120', '3-423-21412-0', '3 423 21412 0'
              , '340101319X', '3-401-01319-X', '3 401 01319 X'
            ]
          , invalid: [
                '3423214121', '3-423-21412-1', '3 423 21412 1'
              , '978-3836221191', '9783836221191',
              , '123456789a', 'foo', ''
            ]
        });
        test({
            validator: 'isISBN'
          , args: [ 13 ]
          , valid: [
                '9783836221191', '978-3-8362-2119-1', '978 3 8362 2119 1'
              , '9783401013190', '978-3401013190', '978 3401013190'
              , '9784873113685', '978-4-87311-368-5', '978 4 87311 368 5'
            ]
          , invalid: [
                '9783836221190', '978-3-8362-2119-0', '978 3 8362 2119 0'
              , '3836221195', '3-8362-2119-5', '3 8362 2119 5'
              , '01234567890ab', 'foo', ''
            ]
        });
        test({
            validator: 'isISBN'
          , valid: [
                '340101319X'
              , '9784873113685'
            ]
          , invalid: [
                '3423214121'
              , '9783836221190'
            ]
        });
        test({
            validator: 'isISBN'
          , args: [ 'foo' ]
          , invalid: [
                '340101319X'
              , '9784873113685'
            ]
        });
    });

    it('should validate JSON', function () {
        test({
            validator: 'isJSON'
          , valid: [
                '{ "key": "value" }'
            ]
          , invalid: [
                '{ key: "value" }'
              , { "key": "value" }
              , { key: 'value' }
              , '{ \'key\': \'value\' }'
            ]
        });
    });

    it('should validate multibyte strings', function () {
        test({
            validator: 'isMultibyte'
          , valid: [
                'ひらがな・カタカナ、．漢字'
              , 'あいうえお foobar'
              , 'test＠example.com'
              , '1234abcDEｘｙｚ'
              , 'ｶﾀｶﾅ'
            ]
          , invalid: [
                'abc'
              , 'abc123'
              , '<>@" *.'
            ]
        });
    });

    it('should validate ascii strings', function () {
        test({
            validator: 'isAscii'
          , valid: [
                'foobar'
              , '0987654321'
              , 'test@example.com'
              , '1234abcDEF'
            ]
          , invalid: [
                'ｆｏｏbar'
              , 'ｘｙｚ０９８'
              , '１２３456'
              , 'ｶﾀｶﾅ'
            ]
        });
    });

    it('should validate full-width strings', function () {
        test({
            validator: 'isFullWidth'
          , valid: [
                'ひらがな・カタカナ、．漢字'
              , '３ー０　ａ＠ｃｏｍ'
              , 'Ｆｶﾀｶﾅﾞﾬ'
              , 'Good＝Parts'
            ]
          , invalid: [
                'abc'
              , 'abc123'
              , '!"#$%&()<>/+=-_? ~^|.,@`{}[]'
            ]
        });
    });

    it('should validate half-width strings', function () {
        test({
            validator: 'isHalfWidth'
          , valid: [
                '!"#$%&()<>/+=-_? ~^|.,@`{}[]'
              , 'l-btn_02--active'
              , 'abc123い'
              , 'ｶﾀｶﾅﾞﾬ￩'
            ]
          , invalid: [
              , 'あいうえお'
              , '００１１'
            ]
        });
    });

    it('should validate variable-width strings', function () {
        test({
            validator: 'isVariableWidth'
          , valid: [
                'ひらがなカタカナ漢字ABCDE'
              , '３ー０123'
              , 'Ｆｶﾀｶﾅﾞﾬ'
              , 'Good＝Parts'
            ]
          , invalid: [
                'abc'
              , 'abc123'
              , '!"#$%&()<>/+=-_? ~^|.,@`{}[]'
              , 'ひらがな・カタカナ、．漢字'
              , '１２３４５６'
              , 'ｶﾀｶﾅﾞﾬ'
            ]
        });
    });

    it('should validate surrogate pair strings', function () {
        test({
            validator: 'isSurrogatePair'
          , valid: [
                '𠮷野𠮷'
              , '𩸽'
              , 'ABC千𥧄1-2-3'
            ]
          , invalid: [
                '吉野竈'
              , '鮪'
              , 'ABC1-2-3'
            ]
        });
    });

    it('should validate base64 strings', function () {
        test({
            validator: 'isBase64'
          , valid: [
                'TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdC4='
              , 'Vml2YW11cyBmZXJtZW50dW0gc2VtcGVyIHBvcnRhLg=='
              , 'U3VzcGVuZGlzc2UgbGVjdHVzIGxlbw=='
              , 'MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuMPNS1Ufof9EW/M98FNw'+
                'UAKrwflsqVxaxQjBQnHQmiI7Vac40t8x7pIb8gLGV6wL7sBTJiPovJ0V7y7oc0Ye'+
                'rhKh0Rm4skP2z/jHwwZICgGzBvA0rH8xlhUiTvcwDCJ0kc+fh35hNt8srZQM4619'+
                'FTgB66Xmp4EtVyhpQV+t02g6NzK72oZI0vnAvqhpkxLeLiMCyrI416wHm5Tkukhx'+
                'QmcL2a6hNOyu0ixX/x2kSFXApEnVrJ+/IxGyfyw8kf4N2IZpW5nEP847lpfj0SZZ'+
                'Fwrd1mnfnDbYohX2zRptLy2ZUn06Qo9pkG5ntvFEPo9bfZeULtjYzIl6K8gJ2uGZ'+
                'HQIDAQAB'
            ]
          , invalid: [
                '12345'
              , ''
              , 'Vml2YW11cyBmZXJtZtesting123'
            ]
        });
        for (var i = 0, str = '', encoded; i < 1000; i++) {
            str += String.fromCharCode(Math.random() * 26 | 97);
            encoded = new Buffer(str).toString('base64');
            if (!validator.isBase64(encoded)) {
                var msg = format('validator.isBase64() failed with "%s"', encoded);
                throw new Error(msg);
            }
        }
    });

    it('should define the module using an AMD-compatible loader', function () {
        var window = {
            validator: null
          , define: function (module) {
                this.validator = module;
            }
        };
        window.define.amd = true;
        var sandbox = contextify(window);
        sandbox.run(validator_js);
        sandbox.dispose();
        assert.equal(window.validator.trim('  foobar '), 'foobar');
    });

    it('should bind validator to the window if no module loaders are available', function () {
        var window = {};
        var sandbox = contextify(window);
        sandbox.run(validator_js);
        sandbox.dispose();
        assert.equal(window.validator.trim('  foobar '), 'foobar');
    });

});