const op_checker = (radio_id, op_id) => {
    let radio_tag = "#"+radio_id;
    let op_tag = "#"+op_id;
    let radio_parent = $(radio_tag).parent().parent().parent();
    const set_current_status = () => {
        if($(radio_tag).is(":checked")){
            $(op_tag).show();
        }else{
            $(op_tag).hide();
        }
    };
    set_current_status()
    radio_parent.change(
        function(){
            set_current_status()
        }
    )
};

const show_after = (id, seconds) => {
    const tag = "#"+id;
    $(tag).delay(seconds*1000).fadeIn()
}

const checkbox_hider = (checkbox_id, receiver_id) => {
    let checkbox_tag = "#"+checkbox_id;
    let receiver_tag = "#"+receiver_id;
    $(checkbox_tag).change(
        function(){
            console.log(checkbox_tag+" changed");
            if($(checkbox_tag).is(":checked")) {
                $(receiver_tag).val(0).hide()
            }else{
                $(receiver_tag).show()
            }
        }
    )
}

const checkbox_shower = (checkbox_id, receiver_id) => {
    let checkbox_tag = "#"+checkbox_id;
    let receiver_tag = "#"+receiver_id;
    $(checkbox_tag).change(
        function(){
            console.log(checkbox_tag+" changed");
            if($(checkbox_tag).is(":checked")) {
                $(receiver_tag).show()
            }else{
                $(receiver_tag).hide()
            }
        }
    )
}

const hide_others = (tag_list, num_choices_to_hide) => {
    $('input:radio').change(function(e){
        // console.log("hide_others(): started");
        let selected_id = $(this).parent().parent().parent().attr('id');
        // console.log("selected_id="+selected_id);
        let index_of_selected_id = tag_list.indexOf(selected_id);
        // console.log("index_of_selected_id="+index_of_selected_id);
        if(index_of_selected_id >= 0){
            // console.log("loop entered:");
            for(let i = 0; i<num_choices_to_hide; i++){
                // console.log("checking order "+i+"...");
                tag_list.forEach(function(tag, index, array){
                    if(is_unchecked_all(tag_list, i)){
                        $(radio_tag_maker(tag,i)).attr("disabled", false);
                    }else{
                        if($(radio_tag_maker(tag,i)).is(":checked")){
                            $(radio_tag_maker(tag,i)).attr("disabled", false);
                        }else{
                            $(radio_tag_maker(tag,i)).attr("disabled", true);
                        }
                    }
                })
            }
        }
    })
}

const is_unchecked_all = (tag_list, i) => {
    // console.log("is_unchecked_all: i=",i);
    if(tag_list.every(function(item, index, array){
        if($(radio_tag_maker(item,i)).is(":checked")){
            // console.log("false return");
            return false;
        }else{
            return true;
        }
    })){
       // console.log("true return, and exit is_unchecked_all");
       return true;
    }else{
        // console.log("false return, and exit is_unchecked_all");
        return false;
    }
    // console.log("true return");
    return true;
}

const radio_tag_maker = (tag, i) => {
    return "#"+tag+"_"+i;
}