if (typeof Roblox === "undefined") {
    Roblox = {};
}
if (typeof Roblox.Admi === "undefined") {
    Roblox.Admi = {};
}
if (typeof Roblox.Admi.Billing === "undefined") {
    Roblox.Admi.Billing = {};
}
Roblox.Admi.Billing.Merchant = function () {

    //variables
    var pageSize, pageNum, totalNum;

    //run on document load
    $(function () {
        var numMerchants = $("#dataHolder").data("merchant-count");
        initialize(20, 1, numMerchants);
        getMerchants();
        $('.MerchActive .checkbox').live("click", Roblox.Admi.Billing.Merchant.changeActive);
        $('.merch-hidden .checkbox').live("click", Roblox.Admi.Billing.Merchant.changeHidden);
        $('.MerchCountry select').change(Roblox.Admi.Billing.Merchant.changeCountry);
    });

    //private methods

    function getMerchants() {
        var startRow = (pageNum - 1) * pageSize + 1;
        var reqData = { startRowIndex: startRow, maxRows: pageSize };
        var url = "/merchants/get-merchants";
        $.post(url, reqData, function(data) {
            if (data.success) {
                displayMerchants(data.merchants, data.countryMerchants);
            } else {
                $("#ErrorText").text("Error retrieving Merchant records.");
                $("#ErrorDiv").show();
            }
        });
    }
    function unwrapMerchant(merchant) {
        return {
            id: merchant.ID,
            name: merchant.Name,
            active: merchant.Active,
            hidden: merchant.IsHidden,
            created: dateHelper(merchant.Created),
            updated: dateHelper(merchant.Updated)
        }
    }
    function dateHelper(unclean) {
        var clean = eval(unclean.substring(6, 19));
        var date = new Date(clean);
        return (date.getMonth() + 1) + "/" + date.getDate() + "/" + date.getFullYear();
    }
    function displayMerchants(merchants, countryMerchants) {
        //clean out old list
        $('#MerchTable').detach();
        $('#.pager').children().remove();

        //add new Merchants
        var counter = 0;
        var newTable = $("#tableTemplate").clone(true).attr('id', 'MerchTable').show();
        while (merchants[counter] != null) {
            var merchant = unwrapMerchant(merchants[counter]);
            var newRow = $("#trTemplate").clone(true).show().attr('id', merchant.id);

            $("div.MerchID", newRow).text(merchant.id);
            $("div.MerchName", newRow).text(merchant.name);
            $("div.MerchActive", newRow).children().attr('checked', merchant.active).attr('id', merchant.id);
            $("div.merch-hidden", newRow).children().attr('checked', merchant.hidden).attr('id', merchant.id);
            $("div.MerchCreated", newRow).text(merchant.created);
            $("div.MerchUpdated", newRow).text(merchant.updated);
            $("div.MerchCountry select", newRow).val(countryMerchants[merchant.name]).attr('id', merchant.id);
            newRow.show();
            newTable.append(newRow);
            counter++;
        }
        $('#Merchants').append(newTable);

        $("#pager").html('').hide();
        if (totalNum > pageSize) {
            var endPage = Math.ceil(totalNum / pageSize);
            var endPageGroup = Math.ceil(endPage / pageSize);
            var currentPageGroup = Math.ceil(pageNum / pageSize);
            var startIndex = (((currentPageGroup - 1) * pageSize) + 1)
            var endIndex = (currentPageGroup * pageSize)
            if (currentPageGroup != 1) {
                $("#pager").append('<a onclick="Roblox.Admi.Billing.Merchant.changePage(' + ((currentPageGroup * pageSize) - 1) + ')" style="padding: 5px; cursor: pointer">...</a>');
            }

            for (var j = startIndex; j <= endIndex; j++) {
                if (j > endPage) {
                    break;
                }
                else if (j == pageNum) {
                    $("#pager").append('<span style="font-weight:bold;padding: 1px">' + j + '</span>');
                }
                else {
                    $("#pager").append('<a onclick="Roblox.Admi.Billing.Merchant.changePage(' + j + ')" style="padding: 5px; cursor: pointer">' + j + '</a>');
                }
            }
            if (currentPageGroup < endPageGroup) {
                $("#pager").append('<a Roblox.Admi.Billing.Merchant.changePage(' + ((currentPageGroup * pageSize) + 1) + ')" style="padding: 5px; cursor: pointer">...</a>').show();
            }

            $('#pager').show();
        }

    }

    //public methods
    function initialize(pagesize, pagenum, totalnum) {
        pageSize = pagesize;
        pageNum = pagenum;
        totalNum = totalnum;
    }
    function changePage(newPage) {
        pageNum = newPage;
        $('#ErrorDiv').hide();
        $('#SuccessDiv').hide();
        getMerchants();
    }

    function changeActive() {
        var id = this.id;
        var checked = this.checked;
        var url = "/merchants/" + id + "/update?active=" + checked;
        $.post(url, function(data) {
            if (data.success) {
                $('#SuccessText').text(data.message);
                $('#SuccessDiv').show();
            } else {
                $('#ErrorText').text(data.message);
                $('#ErrorDiv').show();
            }
        });
    }

    function changeHidden() {
        var id = this.id;
        var checked = this.checked;
        var url = "/merchants/" + id + "/update?hidden=" + checked;
        $.post(url, function (data) {
            if (data.success) {
                $('#SuccessText').text(data.message);
                $('#SuccessDiv').show();
            } else {
                $('#ErrorText').text(data.message);
                $('#ErrorDiv').show();
            }
        });
    }
    
    function changeCountry() {
        var id = this.id;
        var countryID = $(this).children(":selected").val();
        var url = "/merchants/" + id + "/update?countryID=" + countryID;
        $.post(url, function(data) {
            if (data.success) {
                $('#SuccessText').text(data.message);
                $('#SuccessDiv').show();
            } else {
                $('#ErrorText').text(data.message);
                $('#ErrorDiv').show();
            }
        });
    }
    
    function createMerchant() {
        $('#SuccessDiv').hide();
        $('#ErrorDiv').hide();
        var name = $('.merchantNameInput').val();
        var active = ($('#merchantActive').attr('checked') === "checked");
        var countryID = $('#merchantCountry').children(":selected").attr("id");
        var reqData = { merchantName: name, merchantActive: active, merchantCountryID: countryID };
        var url = "/merchants/add-merchant";
        $.post(url, reqData, function(data) {
            if (data.success) {
                $('.merchantNameInput').val('');
                $('#merchantActive').prop('checked', false);
                $('#merchantCountry option').eq(0).prop('selected', true);
                totalNum++;
                changePage(Math.ceil(totalNum / pageSize));
                var msg = 'Successfully added ' + name + ' to the database.';
                $('#SuccessText').text(msg);
                $('#SuccessDiv').show();
                displayMerchants(data.merchants, data.countryMerchants);
            } else {
                $('#ErrorText').text(data.message);
                $('#ErrorDiv').show();
            }
        });
    }
    //Interface exposing public methods!
    return {
        initialize: initialize,
        changeActive: changeActive,
        changeHidden: changeHidden,
        createMerchant: createMerchant,
        changePage: changePage,
        changeCountry: changeCountry
    }
} ();