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$(function () {

    var hotDealModels = [];

    var dealsPage = 1;

    var dealsQuery = '';

    var searchDebounce = null;

    $(document).on('click', ".manage-hot-deals", function () {

        loadHotDeals("main-content");

    });

    // All five attributes are mandatory with NO defaults - the add form starts empty

    function readAddAttributes() {

        var warranty = $('#hot-deal-warranty').val();

        var condition = $('#hot-deal-condition').val();

        var fresh = $('#hot-deal-fresh').val();

        var finance = $('#hot-deal-finance').val();

        var affordability = $('#hot-deal-affordability').val();

        if (warranty === '' || warranty === null) {

            alert("Warranty months is required (0 = no warranty, up to 12)");

            return null;

        }

        var warrantyNum = parseInt(warranty, 10);

        if (isNaN(warrantyNum) || warrantyNum < 0 || warrantyNum > 12) {

            alert("Warranty months must be between 0 and 12");

            return null;

        }

        if (!condition) {

            alert("Condition is required");

            return null;

        }

        if (!fresh) {

            alert("Fresh (Yes/No) is required");

            return null;

        }

        if (!finance) {

            alert("Finance mapping (Yes/No) is required");

            return null;

        }

        if (!affordability) {

            alert("Affordability (Yes/No) is required");

            return null;

        }

        return "&warrantyMonths=" + warrantyNum + "&condition=" + condition

            + "&fresh=" + fresh + "&financeMapping=" + finance

            + "&affordability=" + affordability;

    }

    $(document).on('click', ".add-hot-deal", function () {

        var catalogId = $('#hot-deal-model-search').data('catalogId');

        if (!catalogId) {

            alert("Please select a model from the list");

            return false;

        }

        var attrParams = readAddAttributes();

        if (attrParams == null) {

            return false;

        }

        // Upsert: the server creates the row if this model has no attributes yet.

        var oemCatalogId = $('#hot-deal-oem-search').data('catalogId');

        doPostAjaxRequestHandler(context + "/hotDeals/saveAttributes?catalogItemId=" + catalogId

            + attrParams

            + (oemCatalogId ? "&oemCatalogId=" + oemCatalogId : ""),

            function (response) {

                if (response == 'true') {

                    loadDealsTable();

                    loadHotDealModels();

                    $('#hot-deal-model-search').val('').removeData('catalogId');

                    $('#hot-deal-oem-search').val('').removeData('catalogId')

                        .prop('disabled', true).attr('placeholder', 'Pick a Hot Deal model first...');

                    $('#hot-deal-warranty').val('');

                    $('#hot-deal-condition, #hot-deal-fresh, #hot-deal-finance, #hot-deal-affordability').val('');

                } else {

                    alert(response);

                }

            });

    });

    // Server-side search over the all-deals table (model or brand), debounced

    $(document).on('input', "#hot-deal-table-search", function () {

        var q = $(this).val();

        clearTimeout(searchDebounce);

        searchDebounce = setTimeout(function () {

            dealsQuery = q;

            dealsPage = 1;

            loadDealsTable();

        }, 400);

    });

    $(document).on('click', ".hot-deal-page-prev", function () {

        if (dealsPage > 1) {

            dealsPage--;

            loadDealsTable();

        }

    });

    $(document).on('click', ".hot-deal-page-next", function () {

        var pages = $('#hot-deals-table-panel').data('pages') || 1;

        if (dealsPage < pages) {

            dealsPage++;

            loadDealsTable();

        }

    });

    // Model selection for the manual Solr push

    function refreshPushButton() {

        $('.push-solr').prop('disabled', $('.hot-deal-select:checked').length === 0);

    }

    $(document).on('change', "#hot-deal-select-all", function () {

        $('.hot-deal-select').prop('checked', $(this).prop('checked'));

        refreshPushButton();

    });

    $(document).on('change', ".hot-deal-select", refreshPushButton);

    $(document).on('click', ".push-solr", function () {

        var catalogIds = $('.hot-deal-select:checked').map(function () {

            return $(this).closest('tr').data('catalogId');

        }).get();

        if (catalogIds.length === 0) {

            alert("Select at least one model to push");

            return false;

        }

        if (!confirm("Push " + catalogIds.length + " model(s) to Solr now?")) {

            return false;

        }

        var btn = $(this);

        btn.prop('disabled', true).text('Pushing...');

        doPostAjaxRequestHandler(context + "/hotDeals/pushSolr?catalogIds=" + catalogIds.join(','),

            function (response) {

                btn.prop('disabled', false).html('<i class="fa fa-cloud-upload"></i> Push to Solr');

                alert(response);

                refreshPushButton();

            });

    });

    $(document).on('change', ".hot-deal-row-field", function () {

        $(this).closest('tr').find('.save-hot-deal').show();

    });

    $(document).on('click', ".save-hot-deal", function () {

        var row = $(this).closest('tr');

        var catalogId = row.data('catalogId');

        var warranty = row.find('.hot-deal-row-warranty').val();

        var warrantyNum = parseInt(warranty, 10);

        if (warranty === '' || isNaN(warrantyNum) || warrantyNum < 0 || warrantyNum > 12) {

            alert("Warranty months must be between 0 and 12");

            return false;

        }

        doPostAjaxRequestHandler(context + "/hotDeals/saveAttributes?catalogItemId=" + catalogId

            + "&warrantyMonths=" + warrantyNum

            + "&condition=" + row.find('.hot-deal-row-condition').val()

            + "&fresh=" + row.find('.hot-deal-row-fresh').val()

            + "&financeMapping=" + row.find('.hot-deal-row-finance').val()

            + "&affordability=" + row.find('.hot-deal-row-affordability').val(),

            function (response) {

                if (response == 'true') {

                    loadDealsTable();

                } else {

                    alert(response);

                }

            });

    });

    $(document).on('click', ".remove-hot-deal", function () {

        var id = $(this).closest('tr').data('dealId');

        if (confirm("Remove this model from hot deals?") == true) {

            doPostAjaxRequestHandler(context + "/hotDeals/remove?id=" + id,

                function (response) {

                    if (response == 'true') {

                        loadDealsTable();

                        loadHotDealModels();

                    } else {

                        alert(response);

                    }

                });

        }

    });

    function loadHotDeals(domId) {

        doGetAjaxRequestHandler(context + "/manageHotDeals", function (response) {

            $('#' + domId).html(response);

            dealsPage = 1;

            dealsQuery = '';

            loadDealsTable();

            loadHotDealModels();

        });

    }

    /**

     * OEM mapping autosuggest, scoped to the brand the selected Hot Deal model came from.

     * Optional: a model with no channel twin is simply left unmapped.

     */

    function loadOemModels(oemBrand) {

        var input = $('#hot-deal-oem-search');

        input.val('').removeData('catalogId');

        if (!oemBrand) {

            input.prop('disabled', true).attr('placeholder', 'No OEM brand recorded');

            return;

        }

        doGetAjaxRequestHandler(context + "/hotDeals/oemModels?brand=" + encodeURIComponent(oemBrand),

            function (response) {

                var oemModels = JSON.parse(response);

                input.prop('disabled', false)

                    .attr('placeholder', 'Optional - search ' + oemBrand + ' models...');

                input.typeahead('destroy').typeahead({

                    source: oemModels,

                    items: 15,

                    minLength: 2,

                    displayText: function (item) {

                        return item.description;

                    },

                    autoSelect: true,

                    afterSelect: function (item) {

                        input.data('catalogId', item.catalogId);

                    }

                });

            });

    }

    function loadDealsTable() {

        doGetAjaxRequestHandler(context + "/hotDeals/all?page=" + dealsPage

            + "&q=" + encodeURIComponent(dealsQuery), function (response) {

            $('#hot-deals-table-container').html(response);

            dealsPage = $('#hot-deals-table-panel').data('page') || 1;

        });

    }

    // Every Hot Deal-brand model. One brand, so nothing to scope by.

    function loadHotDealModels() {

        doGetAjaxRequestHandler(context + "/hotDeals/models", function (response) {

            hotDealModels = JSON.parse(response);

            var input = $('#hot-deal-model-search');

            input.typeahead('destroy').typeahead({

                source: hotDealModels,

                items: 15,

                minLength: 2,

                displayText: function (item) {

                    return item.description;

                },

                autoSelect: true,

                afterSelect: function (item) {

                    input.data('catalogId', item.catalogId);

                    loadOemModels(item.oemBrand);

                }

            });

        });

    }

});