let button_read_mykad = document.getElementById("button_read_mykad");
let button_close_modal = document.querySelector("#daftar_pelanggan button.btn.btn-danger");

let removeCRLFfromString = (response_text) => {
    return response_text.replace(/[\n\r]+/g, '').replace(/\s{2,10}/g, ' ');
};


let getMyKadDetail = () => {
    return fetch(mykad_reader_endpoint)
        .then(response => response.text())
        .then(response => removeCRLFfromString(response))
        .then(response => JSON.parse(response))
};

let checkIfMyKadExist = (myKadNumber) => {
    const url = wakil_caricustomer_endpoint + '/?icno=' + myKadNumber;

    return fetch(url).then((response) => response.json());
};


let handleMyKadReader = () => {

    let myKadDetail;

    getMyKadDetail()
        .then(response => myKadDetail = response[0])
        .then(() => {
            if (myKadDetail.ReadStatus === 'ERROR') {
                throw new Error('Sila sambungkan pembaca MyKad dengan betul');
            }
        })
        .then(() => checkIfMyKadExist(myKadDetail.IdNo))
        .then(response => response[0])
        .then(response => {
            if (response === 'no-data') {
                populateDaftarPelangganModal(myKadDetail);
            } else {
                let input_search_noic = document.getElementById("noic");
                let form_search_noic = document.querySelector("form[name='frmsearch']");
                input_search_noic.value = myKadDetail.IdNo;
                form_search_noic.submit();
            }
        })
        .catch(error => console.log(error));


};

let populateDaftarPelangganModal = (data) => {
    let modal_form = document.querySelector(".modal-body .row.form-group");

    const religions = [
        ['01', 'Islam'],
        ['02', 'Hindu'],
        ['03', 'Buddha'],
        ['04', 'Kristian'],
        ['05', 'Lain-lain'],
    ];

    const ethnicities = [
        ['M', 'Melayu'],
        ['C', 'Cina'],
        ['I', 'India'],
        ['L', 'Lain-lain'],
    ];

    let getCodeFromValue = (needle, haystack) => {
        let title_cased_text = needle.split(' ')
            .map(w => w[0].toUpperCase() + w.substring(1).toLowerCase())
            .join(' ');

        return haystack.filter(x => x[1] == title_cased_text)[0][0];
    };

    let getFormattedDateOfBirth = (date_of_birth) => {
        const [year, month, day] = date_of_birth.split('-');
        return day + '/' + month + '/' + year;
    };

    let getAgeFromDateOfBirth = (date_of_birth) => {

        const [birth_year, birth_month, birth_day] = date_of_birth.split('-');
        const count_leap_year = countLeapYears(birth_year, birth_month, birth_day) - 1;

        const start = new Date(date_of_birth),
            end = new Date(),
            diff = new Date(end - start),
            days = ((diff / 1000 / 60 / 60 / 24) - count_leap_year) / 365;

        return parseInt(days);
    };

    let getBumiputeraStatus = (ethnicity) => {

        const non_bumiputera_ethnicity = ['INDIA', 'CINA'];

        let isBumiputera = !non_bumiputera_ethnicity.includes(ethnicity);

        return isBumiputera;
    };

    let photo_container = document.getElementById("photo-mykad-container");
    let photo = document.getElementById("photo-mykad");
    photo.src = 'data:image/png;base64, ' + data.Photo;

    modal_form.querySelector("input[name='name']").value = data.Name;
    modal_form.querySelector("input[name='noic']").value = data.IdNo;
    modal_form.querySelector("input[name='tarikh_lahir']").value = getFormattedDateOfBirth(data.DateOfBirth);
    modal_form.querySelector("input[name='negeri_lahir']").value = data.State;
    modal_form.querySelector("input[name='jantina']").value = data.Gender == 'L' ? 'Lelaki' : 'Perempuan';
    modal_form.querySelector("input[name='warganegara']").checked = data.Citizenship === 'WARGANEGARA' ? true : false;
    modal_form.querySelector("input[name='bumiputera']").checked = getBumiputeraStatus(data.Ethnicity);
    modal_form.querySelector("select[name='agama']").value = getCodeFromValue(data.Religion, religions);
    modal_form.querySelector("textarea[name='alamat']").value = [data.Address1, data.Address2, data.Address3].join(", ");
    modal_form.querySelector("input[name='poskod']").value = data.Postcode;
    modal_form.querySelector("input[name='daerah']").value = data.Town;
    modal_form.querySelector("input[name='negeri']").value = data.State;
    modal_form.querySelector("input[name='age']").value = getAgeFromDateOfBirth(data.DateOfBirth);
    modal_form.querySelector("select[name='bangsa']").value = getCodeFromValue(data.Ethnicity, ethnicities);

    calculatePassportAge();

    photo_container.classList.remove('d-none');
    photo_container.classList.add('d-flex');

    $('#daftar_pelanggan').modal('show');
};


let hideMykadPhoto = () => {
    let photo = document.getElementById("photo-mykad");
    let photo_container = document.getElementById("photo-mykad-container");

    photo.src = '';

    photo_container.classList.add('d-none');
    photo_container.classList.remove('d-flex');
};

button_read_mykad.addEventListener("click", handleMyKadReader);
button_close_modal.addEventListener("click", hideMykadPhoto);