template-for-verstka/assets/js/gp-form.js

'use strict';

inputPhone('.form-input__phone', '.form-input-phone__icon', '.form-input-phone__code', '.form-input-phone__input', '.form-input-phone__list', '.form-input-phone-list__item', '.form-input-phone-list-item__icon', '.form-input-phone-list-item__code');

function inputPhone(main, mainFlag, mainCode, input, list, selects, selectIcon, selectCode) {
    let inputs = document.querySelectorAll(main);

    inputs.forEach(e => {
        let thisMainFlag = e.querySelector(mainFlag), 
            thisMainCode  = e.querySelector(mainCode),
            thisInput  = e.querySelector(input),
            thisList  = e.querySelector(list),
            thisSelects  = e.querySelectorAll(selects);

        e.onclick = function (event) {
            thisInput.focus();

            thisList.classList.add('active');            
        }

        thisSelects.forEach(e => {
            let newIcon = e.querySelector(selectIcon),
                newCode = e.querySelector(selectCode);

            e.onclick = function () {
                thisMainFlag.style.cssText = `background-image:url("${newIcon.src}");`;
                thisMainCode.textContent = newCode.textContent;
                

                setTimeout(() => {
                    thisList.classList.remove('active');
                }, 0);
            }
            
        })
    })
}

checkPhone('.form-input-phone__input');

function checkPhone(input) {
    document.querySelector(input).addEventListener('input', function(event) {
        let text = event.target.value;
        let length = text.length;
        let newSymbol = event.data;

        if (!(/^\d+$/.test(text.replaceAll(' ', '')))) {
            event.target.value = text.slice(0, -1);
            return;
        }

        if (length == 4 || length == 8) {
            if (newSymbol != null) {
                event.target.value = text.slice(0, -1) + ' ' + newSymbol;
            }
        }
    })
}

inputTwo('.form-input__two', '.form-input-two__button', '.form-input-two__oval', '.form-input-two__input')

function inputTwo(inputTwo, button, oval, input) {
    let inputTwos = document.querySelectorAll(inputTwo);
    
    inputTwos.forEach(e => {
        let thisButtons = e.querySelectorAll(button),
            thisOval = e.querySelector(oval),
            thisInput = e.querySelector(input),
            thisMain = e;

        thisButtons.forEach(button => {
            button.onclick = function () {
                let newLeft = button.clientWidth;
                let newValue = button.textContent;

                if (button.classList.contains('alternative')) {
                    thisMain.classList.add('alternative');
                    thisInput.value = newValue;
                    thisOval.style.left = `${newLeft}px`;
                }else{
                    thisMain.classList.remove('alternative');
                    thisInput.value = newValue;
                    thisOval.style.left = `2px`;
                }
            }
        })
    })
}

inputRadio('.form-input__radio', '.form-input-radio__item', '.form-input-radio__title', '.form-input-radio__input')

function inputRadio(main ,item, textClass, input) {
    let inputRadios = document.querySelectorAll(main);

    inputRadios.forEach(inputRadio => {
        let items = inputRadio.querySelectorAll(item),
            thisInput = inputRadio.querySelector(input);

        items.forEach(radio => {
            let thisText = radio.querySelector(textClass).textContent;

            radio.onclick = function () {
                if (inputRadio.querySelector(`${item}.active`)) {
                    inputRadio.querySelector(`${item}.active`).classList.remove('active');
                }
                thisInput.value = thisText;
                radio.classList.add('active');
            }
        })
    })
}

listInputRadio('.form-input__list' ,'.form-input-list__item', '.form-input-list-item__text', '.form-input-list__input', '.form-input-list__content', '.form-input-list__block-content');

function listInputRadio(main ,item, textClass, input, content, block) {
    let listInputRadios = document.querySelectorAll(main);

    listInputRadios.forEach(listInputRadio => {
        let thisInput = listInputRadio.querySelector(input),
            items = listInputRadio.querySelectorAll(item),
            thisContent = listInputRadio.querySelector(content),
            thisBlock = listInputRadio.querySelector(block);

        thisInput.onclick = function () {
            thisBlock.classList.add('active');
            thisBlock.style.height = '192px';
        }

        items.forEach(item => {
            item.onclick = function () {
                let newText = item.querySelector(textClass).textContent;

                thisInput.value = newText;
                
                if (thisContent.querySelector('.active')) {
                    thisContent.querySelector('.active').classList.remove('active');
                }

                item.classList.add('active');

                thisBlock.classList.remove('active');
                thisBlock.style.height = '0px';
            }
        })
    })
}