frappe.pages['sales-manager'].on_page_load = function(wrapper) {
    var page = frappe.ui.make_app_page({
        parent: wrapper,
        title: 'Sales Manager',
        single_column: true
    });

    var $content = $(wrapper).find('.page-content');
    $content.html(frappe.render_template('sales_manager'));

    loadPricingData();

    $('#btn-refresh').on('click', function() {
        loadPricingData();
    });

    $('#btn-batch-score').on('click', function() {
        frappe.confirm('Calculate scores for all serials?', function() {
            frappe.call({
                method: 'westech_r2.api.scoring.batch_calculate_scores',
                args: {batch_size: 500},
                callback: function(r) {
                    if (r.message) {
                        frappe.msgprint('Updated: ' + r.message.updated +
                            ', Scrap: ' + r.message.scrap +
                            ', Errors: ' + r.message.errors);
                        loadPricingData();
                    }
                }
            });
        });
    });

    $('#btn-all, #btn-current, #btn-stale, #btn-aging, #btn-expired').on('click', function() {
        var filter = $(this).attr('id').replace('btn-', '');
        filterTable(filter);
    });
};

function loadPricingData() {
    $('#loading').show();
    $('#pricing-tbody').empty();

    frappe.call({
        method: 'westech_r2.api.scoring.get_sales_pricing_data',
        args: {limit: 100},
        callback: function(r) {
            $('#loading').hide();
            if (r.message && r.message.serials) {
                renderPricingTable(r.message.serials);
            }
        }
    });
}

function renderPricingTable(serials) {
    var tbody = $('#pricing-tbody');
    tbody.empty();

    serials.forEach(function(s) {
        var ageBadge = '<span class="badge badge-' + (s.age.color || 'secondary') + '">' +
            (s.age.status || 'unknown') + '</span>';

        var tierBadge = '<span class="badge badge-info">' + (s.tier || 'N/A') + '</span>';

        var specs = [];
        if (s.processor) specs.push(s.processor);
        if (s.ram) specs.push(s.ram);

        var marketRange = '$' + (s.market.low || 0).toFixed(0) + ' - $' + (s.market.high || 0).toFixed(0);

        var row = '<tr data-age="' + s.age.status + '">' +
            '<td><a href="/app/serial-no/' + s.serial_no + '">' + s.serial_no + '</a></td>' +
            '<td>' + (s.item_name || s.item_code) + '</td>' +
            '<td>' + (s.cosmetic_grade || '') + '</td>' +
            '<td><small>' + specs.join(' / ') + '</small></td>' +
            '<td><strong>' + (s.score || 0) + '</strong></td>' +
            '<td>' + tierBadge + '</td>' +
            '<td><small>' + marketRange + '</small></td>' +
            '<td>$' + (s.suggested_price || 0).toFixed(2) + '</td>' +
            '<td>' + ageBadge + '<br><small>' + s.age.days + 'd</small></td>' +
            '<td><input type="number" class="form-control form-control-sm final-price" ' +
                'data-serial="' + s.serial_no + '" value="' + (s.assigned_price || '') + '" step="0.01"></td>' +
            '<td>' +
                '<button class="btn btn-sm btn-success btn-save-price" data-serial="' + s.serial_no + '">Save</button>' +
            '</td>' +
            '</tr>';

        tbody.append(row);
    });

    $('.btn-save-price').on('click', function() {
        var serial = $(this).data('serial');
        var price = $(this).closest('tr').find('.final-price').val();
        saveFinalPrice(serial, price);
    });
}

function filterTable(filter) {
    if (filter === 'all') {
        $('#pricing-tbody tr').show();
    } else {
        $('#pricing-tbody tr').hide();
        $('#pricing-tbody tr[data-age="' + filter + '"]').show();
    }
}

function saveFinalPrice(serial_no, price) {
    frappe.call({
        method: 'frappe.client.set_value',
        args: {
            doctype: 'Serial No',
            name: serial_no,
            fieldname: {
                'assigned_price': price,
                'pricing_status': 'Manual Override'
            }
        },
        callback: function(r) {
            if (!r.exc) {
                frappe.show_alert({message: 'Price saved for ' + serial_no, indicator: 'green'});
            }
        }
    });
}