$('#primary_diagnosis').on('change', function () {
    var data = 'diagnosis_id=' + $(this).val();
    $.ajax({
        type: "get",
        url: "/diagnoses/get_diagnosis",
        data: data,
        cache: false,
        success: function (result) {
            var prompt_and_references = result.split('&&');
            $('#primary_diagnosis_prompt').html(prompt_and_references[0]);
            $('#primary_diagnosis_reference').html(prompt_and_references[1]);
        }
    });
});

$('#wrapper').on( 'change', '[id^=left_eye_diagnosis_id_]', function () {
    var data = 'diagnosis_id=' + $(this).val();
    var other_diagnosis_id = $(this).attr('id');
    var nth = other_diagnosis_id.substring(22); //remove "other_diagnosis_id_" from strg to remain with the no e.g 1003
    var prompt_id = parseInt(nth) - 1000;
    var reference_id = prompt_id + 100;
    $.ajax({
        type: "get",
        url: "/diagnoses/get_diagnosis_categories",
        data: data,
        cache: false,
        success: function (result) { console.log(result)
            $('#right_diagnosis_category_'+prompt_id).html("<select class='form-control select'>"+ result +"</select>");
            $('#other_diagnosis_id_'+reference_id).html("<select class='form-control select'></select>");
        }
    });
});

$('#wrapper').on( 'change', '[id^=other_diagnosis_id_]', function () { 
    var data = 'diagnosis_id=' + $(this).val();
    var other_diagnosis_id = $(this).attr('id');
    var nth = other_diagnosis_id.substring(19); //remove "other_diagnosis_id_" from strg to remain with the no e.g 1003
    var prompt_id = parseInt(nth) - 1000;
    var reference_id = prompt_id + 100;
    $.ajax({
        type: "get",
        url: "/diagnoses/get_diagnosis",
        data: data,
        cache: false,
        success: function (result) {
            var prompt_and_references = result.split('&&');
            if (nth < 1000) {
                $('#secondary_diagnosis_prompt1').html(prompt_and_references[0]);
                $('#secondary_diagnosis_reference1').html(prompt_and_references[1]);
            }
            else{
                // this is for prompts and references added dynamically using the addrow button 
                $('#secondary_diagnosis_prompt'+prompt_id).html(prompt_and_references[0]);
                $('#secondary_diagnosis_reference'+reference_id).html(prompt_and_references[1]);
            }
        }
    });
});

$("#outcome").change(function () {
    var id = $(this).val();

    switch (id) {
        case "1": // Admitted
            $('#admitted_div').show();
            $('#home_with_followup_div').hide();
            $('#referred_div').hide();
            break;

        case "3": // Home with follow up
            $('#home_with_followup_div').show();
            $('#admitted_div').hide();
            $('#referred_div').hide();
            break;

        case "4": // Referred
            $('#referred_div').show();
            $('#home_with_followup_div').hide();
            $('#admitted_div').hide();
            break;

        default:
            $('#admitted_div').hide();
            $('#home_with_followup_div').hide();
            $('#referred_div').hide();
            break;
    }
});

jQuery('.datepicker-autoclose').datepicker({
    autoclose: true,
    format: 'yyyy-mm-dd',
});

function select2set(id) {
    $('#'+id).select2();
}

function addRow(tableID) {

    var table = document.getElementById(tableID);
    var rowCount = table.rows.length;
    var row = table.insertRow(rowCount);
    var colCount = table.rows[0].cells.length;

    for (var i = 0; i < colCount; i++) {

        var newcell = row.insertCell(i);

        newcell.innerHTML = table.rows[1].cells[i].innerHTML;

        /* set new id for the symptom select tag which is found in the first cell of every row
         * this makes the symptom select tag id dynamic and different for each table row
         * the id should be the rowCount +1000 to avoid a similar id with prompt div tag id set below
         */
        if (i == 1) {
            newcell.childNodes[1].id = 'other_diagnosis_id_'+(rowCount + 1000);
            select2set('other_diagnosis_id_'+(rowCount + 1000));
        }
        /*
         *  set  new value for the prompt div tag
         */
        if (i == 2) {
            table.rows[rowCount].cells[2].innerHTML = '';
            table.rows[rowCount].cells[2].innerHTML = '<div class="well well-sm" id="secondary_diagnosis_prompt' + rowCount + '">&nbsp;</div>';

        }

        if (i == 3) {

            // var myid = (rowCount + 100);
            table.rows[rowCount].cells[3].innerHTML = '';
            table.rows[rowCount].cells[3].innerHTML = '<div class="well well-sm" id="secondary_diagnosis_reference' + (rowCount + 100) + '">&nbsp;</div>';

            //     alert(myid);
        }

        switch (newcell.childNodes[0].type) {
            case "text":
//                newcell.childNodes[0].value = "";
                break;
            case "checkbox":
                newcell.childNodes[0].checked = false;
                break;
            case "select":
                newcell.childNodes[0].selectedIndex = 0;
                break;
        }
    }
}

function deleteRow(tableID) {
    try {
        var table = document.getElementById(tableID);
        var rowCount = table.rows.length;

        for (var i = 0; i < rowCount; i++) {
            var row = table.rows[i];
            var chkbox = row.cells[0].childNodes[0];
            if (null != chkbox && true == chkbox.checked) {
                if (rowCount <= 2) {
                    alert("Cannot delete all the rows.");
                    break;
                }
                table.deleteRow(i);
                rowCount--;
                i--;
            }
        }
    } catch (e) {
        alert(e);
    }
}