//瀏覽器版本檢測
navigator.sayswho=(function(){
    var ua= navigator.userAgent, tem, 
    M= ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
    if(/trident/i.test(M[1])){
        tem=  /\brv[ :]+(\d+)/g.exec(ua) || [];
        return 'IE '+(tem[1] || '');
    }
    if(M[1]=== 'Chrome'){
        tem= ua.match(/\b(OPR|Edge)\/(\d+)/);
        if(tem!= null) return tem.slice(1).join(' ').replace('OPR', 'Opera');
    }
    M= M[2]? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?'];
    if((tem= ua.match(/version\/(\d+)/i))!= null) M.splice(1, 1, tem[1]);
    return M.join(' ');
})();

function chkRegThis(redir) {

    if ( $("input[name='liter_id[]']:checked").length <= 0 ) { 
        alert("請至少選擇一筆文獻資料！");
        // $("#qq").focus();
        return false;
    }

    if($("#liter_type").val() == '3'){
       
        var form_join_date=$("form#sendForm #join_date");
        if ( form_join_date.val() == "" ){
            alert("請填寫申請到館日期！");
            setTimeout(function(){
                if( (navigator.sayswho.match(/Safari/g)) ){
                    var form_join_date_scrollTo=form_join_date.offset().top-(form_join_date.height()/2)-(window.innerHeight/2);
                    $('html, body').animate({ scrollTop: form_join_date_scrollTo }, 333);
                    //window.scrollTo(0, form_join_date_scrollTo);
                    //form_join_date.click().focus();
                }
                $('#join_date').datetimepicker('toggle');
            },150);
            //form_join_date.focus();
            return false;
        } 

        if ( !checkDate($("form#sendForm #join_date").val()) ){
            alert("申請到館日期格式錯誤，請填寫yyyy-mm-dd！");
            setTimeout(function(){
                if( (navigator.sayswho.match(/Safari/g)) ){
                    var form_join_date_scrollTo=form_join_date.offset().top-(form_join_date.height()/2)-(window.innerHeight/2);
                    $('html, body').animate({ scrollTop: form_join_date_scrollTo }, 333);
                    //window.scrollTo(0, form_join_date_scrollTo);
                    //form_join_date.click().focus();
                }
                $('#join_date').datetimepicker('toggle');
            },150);
            //form_join_date.focus();
            return false;
        } 

        if ( $("form#sendForm #join_hour_id").val() == "" ){
            alert("請選擇申請到館時間！");
            $("form#sendForm #join_hour_id").focus();
            return false;
        } 


    }


    if ( $("form#sendForm #use").val() == "" ){
        alert("請填寫申請用途！");
        $("form#sendForm #use").focus();
        return false;
    } 


    if ( $("form#sendForm #appli_name").val() == "" ){
        alert("請填寫申請者姓名！");
        $("form#sendForm #appli_name").focus();
        return false;
    } 

    if ( $("form#sendForm #appli_title").val() == "" ){
        alert("請填寫申請者職稱！");
        $("form#sendForm #appli_title").focus();
        return false;
    } 

    if ( $("form#sendForm #education").val() == "" ){
        alert("請填寫申請者學歷！");
        $("form#sendForm #education").focus();
        return false;
    } 

    if ( $("form#sendForm #appli_phone").val() == "" ){
        alert("請填寫申請者聯絡電話！");
        $("form#sendForm #appli_phone").focus();
        return false;
    } 

    if ( !checkTel($("form#sendForm #appli_phone").val()) && !checkMobile($("form#sendForm #appli_phone").val())  ){
        alert("申請者連絡電話格式有誤，請重新輸入！\n格式為：00-00000000#00 或 0900000000");
        $("form#sendForm #appli_phone").focus();
        return false;
    } 


    if ( $("form#sendForm #appli_fax").val() != "" ){
        if ( !checkTel($("form#sendForm #appli_fax").val()) ){
            alert("申請者傳真電話格式有誤，請重新輸入！\n格式為：00-00000000#00");
            $("form#sendForm #appli_fax").focus();
            return false;
        } 
    } 

    if ( $("form#sendForm #appli_email").val() == "" ){
        alert("請填寫申請者E-mail！");
        $("form#sendForm #appli_email").focus();
        return false;
    } 

    if ( !checkEmail($("form#sendForm #appli_email").val()) ){
        alert("申請者E-mail格式有誤，請重新輸入！");
        $("form#sendForm #appli_email").focus();
        return false;
    } 


    if ( $("form#sendForm #unit_name").val() == "" ){
        alert("請填寫所屬單位/學校-單位名稱！");
        $("form#sendForm #unit_name").focus();
        return false;
    } 


    if ( $("form#sendForm #unit_person").val() == "" ){
        alert("請填寫所屬單位/學校-聯絡人姓名！");
        $("form#sendForm #unit_person").focus();
        return false;
    } 


    if ( $("form#sendForm #unit_title").val() == "" ){
        alert("請填寫所屬單位/學校-職稱！");
        $("form#sendForm #unit_title").focus();
        return false;
    } 

    if ( $("form#sendForm #unit_phone").val() == "" ){
        alert("請填寫所屬單位/學校-連絡電話！");
        $("form#sendForm #unit_phone").focus();
        return false;
    } 

    if ( !checkTel($("form#sendForm #unit_phone").val()) && !checkMobile($("form#sendForm #unit_phone").val())  ){
        alert("所屬單位/學校-連絡電話格式有誤，請重新輸入！\n格式為：00-00000000#00 或 0900000000！");
        $("form#sendForm #unit_phone").focus();
        return false;
    } 


    if( $("form#sendForm #unit_fax").val() != "" ){

        if( !checkTel($("form#sendForm #unit_fax").val()) ){
            alert("所屬單位/學校-傳真電話格式有誤，請重新輸入！\n格式為：00-00000000#00！");
            $("form#sendForm #unit_fax").focus();
            return false;
        
        }     
    } 




    if( $("form#sendForm #unit_email").val() == "" ){
        alert("請填寫所屬單位/學校-E-mail！");
        $("form#sendForm #unit_email").focus();
        return false;
    } 

    if( !checkEmail($("form#sendForm #unit_email").val()) ){
        alert("所屬單位/學校-E-mail格式有誤，請重新輸入！");
        $("form#sendForm #unit_email").focus();
        return false;
    } 
    
    //驗證碼
    if( $("form#sendForm #code").val() == "" ){
        alert("請填寫驗證碼！");
        $("form#sendForm #code").focus();
        return false;
    }
    

    $("form#sendForm submit").prop('disabled',true);

    $.ajax({
        type: "POST",
        url: "ajax/paper_apply.php",
        data: $("form#sendForm").serialize(),
        dataType: "json",
        cache: false,
        async: false,
        success: function(data) {

            if(data['status'] == "true"){
                turn = true;
                alert('您的閱讀申請已送出！');
                if ( redir ) {
                    location.href = redir;
                } else {
                    location.href = location.href;
                }
                
            }else{
                alert(data['msg']);
                turn = false;
                $("form#sendForm submit").prop('disabled',false);
                reSIImage();
                $('#code').val('');
                if(data['date_error'] == 'Y'){
                    setTimeout(function(){
                        if( (navigator.sayswho.match(/Safari/g)) ){
                            var form_join_date_scrollTo=form_join_date.offset().top-(form_join_date.height()/2)-(window.innerHeight/2);
                            $('html, body').animate({ scrollTop: form_join_date_scrollTo }, 333);
                            //window.scrollTo(0, form_join_date_scrollTo);
                            //form_join_date.click().focus();
                        }
                        $('#join_date').datetimepicker('toggle');
                    },150);
                    //form_join_date.focus();
                }
            }
        }
    });

    return turn;

}

//文獻加入申請單
function add_liter(liter_id,class_name,add_btn){
    $.ajax({
        type: "POST",
        url: "ajax/liter_add.php",
        data: {
                liter_id:liter_id,
                type:'1'
            },
        dataType: "json",
        cache: false,
        async: false,
        success: function(data) {
            if(data['status'] == "true"){
                class_name.html('已選取 '+data['count']+' 項目');
                if(1<=data['count']){
                    add_btn.addClass('sty');
                    add_btn.css('pointer-events','auto');
                }else{
                    add_btn.removeClass('sty');
                    add_btn.css('pointer-events','none');
                }
            }else{
                alert("此文獻不存在或未開放！");
                location.reload();
            }
        }
    });
}

//文獻移除申請單
function remove_liter(liter_id,class_name,add_btn){
    $.ajax({
        type: "POST",
        url: "ajax/liter_remove.php",
        data: {
                liter_id:liter_id,
                type:'1'
            },
        dataType: "json",
        cache: false,
        async: false,
        success: function(data) {
            if(data['status'] == "true"){
                class_name.html('已選取 '+data['count']+' 項目');
                if(1<=data['count']){
                    add_btn.addClass('sty');
                    add_btn.css('pointer-events','auto');
                }else{
                    add_btn.removeClass('sty');
                    add_btn.css('pointer-events','none');
                }
                return data['count'];                
            }
        }
    });
}

//申請單勾選切換
function change_liter(){
    $.ajax({
        type: "POST",
        url: "ajax/liter_change.php",
        data: $("form#sendForm").serialize(),
        dataType: "json",
        cache: false,
        async: false,
        success: function(data) {

            if(data['status'] == "true"){
                change_liter_type(data['type']);
                
                if(data['msg'].length > 0){
                    alert(data['msg']);
                }

            }else{
                alert("文獻不存在或未開放,文獻不存在或未開放,請重新選擇！");
                location.href = data['error_url'];
            }
        }
    });
}

//申請單變更欄位
function change_liter_type(type){
    if(type == '3'){
        $(".liter_type_3").show();
        $("#liter_type").val('3');
    }else{
        $(".liter_type_3").hide();
        $("#liter_type").val('');
    }
}