function condition(condition) {
    return new Function('value', 'data', 'return ' + condition);
}

function required(value, data) {
    return !!value;
}

function oneRequired(fields) {
    return function (value, data) {
        for (let i in fields) {
            let field = fields[i];
            if (!!parseInt(data[field])) {
                return true;
            }
        }
        return false;
    };
}

function is_integer(value, data) {
    return /^[0-9]+$/.test(value);
}

function is_float(value, data) {
    return /^\d*\.?\d*$/.test(value);
}

function toggleRequired(value, data) {
    console.log('toggleRequired', value, data, value === 0 || value === 1);
    return value === 0 || value === 1;
}

function postcodecheck(postcode, number, straat, plaats) {
    return function(value, data) {
        return new Promise((resolve, reject) => {
            if (!postcode && !number) {
                resolve(true);
                return;
            }
            const url = 'https://e.centraalbeheer.nl/3/4/1551/14/ywGHtAzFX00yJRGBp6hr6emLo-4s0k_kB4_PidVm_o0xDxD3Sx6T7P4DjucxhSAJ?huisnummer='+number+'&postcode='+postcode;

            try {
                axios.get(url).then((response) => {
                    // handle success
                    if (response.data && response.data.plaats && response.data.straat) {
                        data[straat] = response.data.straat;
                        data[plaats] = response.data.plaats;
                        resolve(true);
                    }
                    resolve(false);
                }, (reason) => {
                    resolve(false);
                });
            } catch (e) {
                return false;
            }
        });
    };
}

function kentekencheck(kenteken, merk, handelsnaam) {
    return function(value, data) {
        return new Promise((resolve, reject) => {
            if (!kenteken) {
                resolve(true);
                return;
            }
            const url = 'https://e.centraalbeheer.nl/3/4/1551/14/ywGHtAzFX00yJRGBp6hr6emLo-4s0k_kB4_PidVm_o2VSlsQMCJ_CPOnflU8FTLc?kenteken='+kenteken.replace(/[^a-z0-9A-Z]/g, '').toUpperCase();

            try {
                axios.get(url).then((response) => {
                    // handle success
                    if (response.data && response.data[0] && response.data[0].merk && response.data[0].handelsbenaming) {
                        data[merk] = response.data[0].merk;
                        data[handelsnaam] = response.data[0].handelsbenaming;
                        resolve(true);
                    }
                    resolve(false);
                }, (reason) => {
                    resolve(false);
                });
            } catch (e) {
                return false;
            }
        });
    };
}

function kvkcheck(kvknummer, bedrijfsnaam) {
    return function(value, data) {
        return new Promise((resolve, reject) => {
            if (!kvknummer) {
                resolve(true);
                return;
            }
            const url = 'https://e.centraalbeheer.nl/3/4/1551/14/ywGHtAzFX00yJRGBp6hr6emLo-4s0k_kB4_PidVm_o1wHaJzvmcKzNvi0thdOTL0?kvk='+kvknummer;

            try {
                axios.get(url).then((response) => {
                    // handle success
                    if (response.data && response.data.data && response.data.data.items && response.data.data.items[0] && response.data.data.items[0].tradeNames.businessName) {
                        data[bedrijfsnaam] = response.data.data.items[0].tradeNames.businessName;
                        resolve(true);
                    }
                    resolve(false);
                }, (reason) => {
                    resolve(false);
                });
            } catch (e) {
                return false;
            }
        });
    };
}

function email(email) {
    const re = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
    return !email || re.test(String(email).toLowerCase());
}

function url(url) {
    const re = /^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)$/;
    return !url || re.test(String(url).toLowerCase());
}

function phone(phone) {
    var vast_nummer = /^(((0)[1-9]{2}[0-9][-]?[1-9][0-9]{5})|((\\+31|0|0031)[1-9][0-9][-]?[1-9][0-9]{6}))$/;
    var mobiel_nummer = /^(((\\+31|0|0031)6){1}[1-9]{1}[0-9]{7})$/i;
    return !phone || (vast_nummer.test(phone) || mobiel_nummer.test(phone));
}

function relatienummer(relatienummer) {
    const re = /^[0-9]{6,9}$/;
    return !relatienummer || re.test(String(relatienummer).toLowerCase());
}

/*
 * Returns 1 if the IBAN is valid
 * Returns FALSE if the IBAN's length is not as should be (for CY the IBAN Should be 28 chars long starting with CY )
 * Returns any other number (checksum) when the IBAN is invalid (check digits do not match)
 */
function iban(input) {
    if (!input) return true;

    var CODE_LENGTHS = {
        AD: 24, AE: 23, AT: 20, AZ: 28, BA: 20, BE: 16, BG: 22, BH: 22, BR: 29,
        CH: 21, CR: 21, CY: 28, CZ: 24, DE: 22, DK: 18, DO: 28, EE: 20, ES: 24,
        FI: 18, FO: 18, FR: 27, GB: 22, GI: 23, GL: 18, GR: 27, GT: 28, HR: 21,
        HU: 28, IE: 22, IL: 23, IS: 26, IT: 27, JO: 30, KW: 30, KZ: 20, LB: 28,
        LI: 21, LT: 20, LU: 20, LV: 21, MC: 27, MD: 24, ME: 22, MK: 19, MR: 27,
        MT: 31, MU: 30, NL: 18, NO: 15, PK: 24, PL: 28, PS: 29, PT: 25, QA: 29,
        RO: 24, RS: 22, SA: 24, SE: 24, SI: 19, SK: 24, SM: 27, TN: 24, TR: 26,
        AL: 28, BY: 28, CR: 22, EG: 29, GE: 22, IQ: 23, LC: 32, SC: 31, ST: 25,
        SV: 28, TL: 23, UA: 29, VA: 22, VG: 24, XK: 20
    };
    var iban = String(input).toUpperCase().replace(/[^A-Z0-9]/g, ''), // keep only alphanumeric characters
        code = iban.match(/^([A-Z]{2})(\d{2})([A-Z\d]+)$/), // match and capture (1) the country code, (2) the check digits, and (3) the rest
        digits;
    // check syntax and length
    if (!code || iban.length !== CODE_LENGTHS[code[1]]) {
        return false;
    }
    // rearrange country code and check digits, and convert chars to ints
    digits = (code[3] + code[1] + code[2]).replace(/[A-Z]/g, function (letter) {
        return letter.charCodeAt(0) - 55;
    });
    // final check
    return mod97(digits);
}

function mod97(string) {
    var checksum = string.slice(0, 2), fragment;
    for (var offset = 2; offset < string.length; offset += 7) {
        fragment = String(checksum) + string.substring(offset, offset + 7);
        checksum = parseInt(fragment, 10) % 97;
    }
    return checksum;
}


// window.methods.fileRequired = function(fileList) {
//     console.log('fileRequired', fileList);
//     return fileList && fileList.length > 0;
// };
//
// window.methods.fileSize = function(maxFileSize) {
//     return function(fileList) {
//         console.log('fileSize', maxFileSize, fileList);
//         if (fileList && fileList.length > 0) {
//             let valid = true;
//             for (let i = 0; i < fileList.length; i++) {
//                 valid = valid && fileList[i].size <= (maxFileSize * 1024 * 1024);
//             }
//             return valid;
//         }
//         return true;
//     };
// };
//
// window.methods.fileType = function(allowedFileType) {
//     return function(fileList) {
//         console.log('fileType', allowedFileType, fileList);
//         if (fileList && fileList.length > 0) {
//             let valid = true;
//             let regex = new RegExp('^'+allowedFileType.replace(/\*/g, '.*')+'$', 'i');
//             for (let i = 0; i < fileList.length; i++) {
//                 valid = valid && regex.test(fileList[i].type);
//             }
//             return valid;
//         }
//         return true;
//     };
// };