Pharmacy: add ABDM drug terminology autocomplete + canonical mapping

app/Config/Routes.php

@@ -85,10 +85,14 @@ $routes->get('Product_master/medicine_category_Sub', 'Medical::medicine_category
 $routes->post('Product_master/medicine_category_Update', 'Medical::medicine_category_update');
 $routes->get('product_master/drug_master_list', 'Medical::drug_master_list');
 $routes->post('product_master/Product_search', 'Medical::product_search');
+$routes->get('product_master/drug_terminology_autocomplete', 'Medical::drug_terminology_autocomplete');
+$routes->get('product_master/drug_terminology_detail', 'Medical::drug_terminology_detail');
 $routes->get('product_master/Product_edit/(:num)', 'Medical::product_edit/$1');
 $routes->post('product_master/product_master_update/(:num)', 'Medical::product_master_update/$1');
 $routes->get('Product_master/drug_master_list', 'Medical::drug_master_list');
 $routes->post('Product_master/Product_search', 'Medical::product_search');
+$routes->get('Product_master/drug_terminology_autocomplete', 'Medical::drug_terminology_autocomplete');
+$routes->get('Product_master/drug_terminology_detail', 'Medical::drug_terminology_detail');
 $routes->get('Product_master/Product_edit/(:num)', 'Medical::product_edit/$1');
 $routes->post('Product_master/product_master_update/(:num)', 'Medical::product_master_update/$1');
 $routes->get('Medical/Purchase', 'Medical::purchase');

app/Controllers/Medical.php

@@ -5071,6 +5071,226 @@ class Medical extends BaseController
         ]);
     }
 
+    public function drug_terminology_autocomplete()
+    {
+        if ($deny = $this->ensurePharmacyAccess()) {
+            return $deny;
+        }
+
+        $q = trim((string) ($this->request->getGet('q') ?? $this->request->getPost('q') ?? ''));
+        $q = preg_replace('/[^A-Za-z0-9_ \-]/', '', $q);
+        if (mb_strlen($q) < 2) {
+            return $this->response->setJSON([
+                'ok' => 1,
+                'suggestions' => [],
+                'error_text' => '',
+            ]);
+        }
+
+        $type = strtolower(trim((string) ($this->request->getGet('type') ?? $this->request->getPost('type') ?? 'generic')));
+        $allowedTypes = ['generic', 'brand', 'product', 'substance'];
+        if (! in_array($type, $allowedTypes, true)) {
+            $type = 'generic';
+        }
+
+        $limit = (int) ($this->request->getGet('limit') ?? $this->request->getPost('limit') ?? 10);
+        if ($limit <= 0 || $limit > 50) {
+            $limit = 10;
+        }
+
+        try {
+            $connector = new \App\Libraries\Abdm\EAtriaBridgeConnector();
+            $result = $connector->drugsAutocomplete($q, $type, $limit);
+        } catch (\Throwable $e) {
+            return $this->response->setJSON([
+                'ok' => 0,
+                'suggestions' => [],
+                'error_text' => $e->getMessage(),
+            ]);
+        }
+
+        $items = $this->extractDrugResultList($result);
+        $suggestions = [];
+        foreach ($items as $row) {
+            if (! is_array($row)) {
+                continue;
+            }
+
+            $label = $this->extractDrugText($row, ['label', 'name', 'display', 'term', 'title', 'drug_name']);
+            $identifier = $this->extractDrugText($row, ['identifier', 'id', 'code', 'concept_id', 'value']);
+            $itemType = strtolower($this->extractDrugText($row, ['type', 'entity_type', 'category']));
+            if ($itemType === '') {
+                $itemType = $type;
+            }
+
+            if ($label === '' && $identifier === '') {
+                continue;
+            }
+
+            $suggestions[] = [
+                'label' => $label !== '' ? $label : $identifier,
+                'identifier' => $identifier,
+                'type' => $itemType,
+            ];
+        }
+
+        return $this->response->setJSON([
+            'ok' => (int) ($result['ok'] ?? 0),
+            'suggestions' => $suggestions,
+            'error_text' => (string) ($result['error_text'] ?? $result['message'] ?? ''),
+        ]);
+    }
+
+    public function drug_terminology_detail()
+    {
+        if ($deny = $this->ensurePharmacyAccess()) {
+            return $deny;
+        }
+
+        $type = strtolower(trim((string) ($this->request->getGet('type') ?? $this->request->getPost('type') ?? 'generic')));
+        $identifier = trim((string) ($this->request->getGet('identifier') ?? $this->request->getPost('identifier') ?? ''));
+        if ($identifier === '') {
+            return $this->response->setJSON([
+                'ok' => 0,
+                'selected' => null,
+                'error_text' => 'Identifier is required',
+            ]);
+        }
+
+        try {
+            $connector = new \App\Libraries\Abdm\EAtriaBridgeConnector();
+            $result = $connector->drugsDetail($type, $identifier);
+        } catch (\Throwable $e) {
+            return $this->response->setJSON([
+                'ok' => 0,
+                'selected' => null,
+                'error_text' => $e->getMessage(),
+            ]);
+        }
+
+        $record = $this->extractDrugResultObject($result);
+        $label = $this->extractDrugText($record, ['label', 'name', 'display', 'term', 'title', 'drug_name']);
+        $generic = $this->extractDrugText($record, ['generic_name', 'genericname', 'generic', 'salt', 'molecule']);
+        $hsnCode = $this->extractDrugText($record, ['hsn_code', 'hsn', 'hscode']);
+        $formulation = $this->extractDrugText($record, ['formulation', 'dosage_form', 'drug_form']);
+        $packing = $this->extractDrugText($record, ['packing', 'pack_size', 'package']);
+        $itemType = strtolower($this->extractDrugText($record, ['type', 'entity_type', 'category']));
+        if ($itemType === '') {
+            $itemType = $type;
+        }
+        $canonicalId = $this->extractDrugText($record, ['identifier', 'id', 'code', 'concept_id', 'value']);
+        if ($canonicalId === '') {
+            $canonicalId = $identifier;
+        }
+
+        $payloadJson = json_encode($record, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+        if (! is_string($payloadJson)) {
+            $payloadJson = '{}';
+        }
+
+        return $this->response->setJSON([
+            'ok' => (int) ($result['ok'] ?? 0),
+            'selected' => [
+                'label' => $label,
+                'generic_name' => $generic,
+                'hsn_code' => $hsnCode,
+                'formulation' => $formulation,
+                'packing' => $packing,
+                'type' => $itemType,
+                'identifier' => $canonicalId,
+                'payload_json' => $payloadJson,
+                'synced_at' => date('Y-m-d H:i:s'),
+            ],
+            'error_text' => (string) ($result['error_text'] ?? $result['message'] ?? ''),
+        ]);
+    }
+
+    /**
+     * @param array<string, mixed> $result
+     * @return array<int, array<string, mixed>>
+     */
+    private function extractDrugResultList(array $result): array
+    {
+        $candidate = $result['data'] ?? $result['result'] ?? $result;
+        if (! is_array($candidate)) {
+            return [];
+        }
+
+        if (array_is_list($candidate)) {
+            return array_values(array_filter($candidate, static fn ($v) => is_array($v)));
+        }
+
+        foreach (['items', 'suggestions', 'results', 'data', 'records'] as $key) {
+            if (isset($candidate[$key]) && is_array($candidate[$key]) && array_is_list($candidate[$key])) {
+                return array_values(array_filter($candidate[$key], static fn ($v) => is_array($v)));
+            }
+        }
+
+        if ($this->extractDrugText($candidate, ['identifier', 'id', 'code', 'concept_id', 'value']) !== '') {
+            return [$candidate];
+        }
+
+        return [];
+    }
+
+    /**
+     * @param array<string, mixed> $result
+     * @return array<string, mixed>
+     */
+    private function extractDrugResultObject(array $result): array
+    {
+        $candidate = $result['data'] ?? $result['result'] ?? $result;
+        if (! is_array($candidate)) {
+            return [];
+        }
+
+        if (array_is_list($candidate)) {
+            $first = $candidate[0] ?? [];
+            return is_array($first) ? $first : [];
+        }
+
+        foreach (['item', 'result', 'record', 'data'] as $key) {
+            if (isset($candidate[$key]) && is_array($candidate[$key])) {
+                return $candidate[$key];
+            }
+        }
+
+        return $candidate;
+    }
+
+    /**
+     * @param array<string, mixed> $data
+     * @param array<int, string> $keys
+     */
+    private function extractDrugText(array $data, array $keys): string
+    {
+        $flat = [];
+        $walker = static function ($node) use (&$walker, &$flat): void {
+            if (! is_array($node)) {
+                return;
+            }
+            foreach ($node as $k => $v) {
+                if (is_array($v)) {
+                    $walker($v);
+                    continue;
+                }
+                if (is_scalar($v) || $v === null) {
+                    $flat[strtolower((string) $k)] = trim((string) $v);
+                }
+            }
+        };
+        $walker($data);
+
+        foreach ($keys as $key) {
+            $val = trim((string) ($flat[strtolower($key)] ?? ''));
+            if ($val !== '') {
+                return $val;
+            }
+        }
+
+        return '';
+    }
+
     public function product_edit($productId = 0)
     {
         if ($deny = $this->ensurePharmacyAccess()) {
@@ -5149,6 +5369,15 @@ class Medical extends BaseController
         $coldStorage = trim((string) ($this->request->getPost('input_cold_storage') ?? ''));
         $companyId = (int) ($this->request->getPost('input_company_name') ?? 0);
         $relatedDrugId = (int) ($this->request->getPost('related_drug_id') ?? 0);
+        $abdmDrugType = trim((string) ($this->request->getPost('abdm_drug_type') ?? ''));
+        $abdmDrugIdentifier = trim((string) ($this->request->getPost('abdm_drug_identifier') ?? ''));
+        $abdmDrugDisplay = trim((string) ($this->request->getPost('abdm_drug_display') ?? ''));
+        $abdmDrugGeneric = trim((string) ($this->request->getPost('abdm_drug_generic') ?? ''));
+        $abdmDrugPayloadJson = trim((string) ($this->request->getPost('abdm_drug_payload_json') ?? ''));
+        $abdmDrugLastSyncedAt = trim((string) ($this->request->getPost('abdm_drug_last_synced_at') ?? ''));
+        if (strlen($abdmDrugPayloadJson) > 65000) {
+            $abdmDrugPayloadJson = substr($abdmDrugPayloadJson, 0, 65000);
+        }
 
         $errors = [];
         if ($itemName === '' || mb_strlen($itemName) < 3) {
@@ -5193,6 +5422,12 @@ class Medical extends BaseController
             'shelf_no' => $shelfNo,
             'cold_storage' => $coldStorage,
             'company_id' => $companyId,
+            'abdm_drug_type' => $abdmDrugType,
+            'abdm_drug_identifier' => $abdmDrugIdentifier,
+            'abdm_drug_display' => $abdmDrugDisplay,
+            'abdm_drug_generic' => $abdmDrugGeneric,
+            'abdm_drug_payload_json' => $abdmDrugPayloadJson,
+            'abdm_drug_last_synced_at' => $abdmDrugLastSyncedAt,
             'ban_flag_id' => $flag('chk_ban_flag_id'),
             'batch_applicable' => $flag('chk_batch_applicable'),
             'is_continue' => $flag('chk_is_continue'),

app/Database/Migrations/2026-05-25-000602_AddAbdmDrugTerminologyFieldsToMedProductMaster.php

@@ -0,0 +1,86 @@
+<?php
+
+namespace App\Database\Migrations;
+
+use CodeIgniter\Database\Migration;
+
+class AddAbdmDrugTerminologyFieldsToMedProductMaster extends Migration
+{
+    public function up()
+    {
+        if (! $this->db->tableExists('med_product_master')) {
+            return;
+        }
+
+        $fields = $this->db->getFieldNames('med_product_master') ?? [];
+        $add = [];
+
+        if (! in_array('abdm_drug_type', $fields, true)) {
+            $add['abdm_drug_type'] = ['type' => 'VARCHAR', 'constraint' => 30, 'null' => true, 'default' => null];
+        }
+        if (! in_array('abdm_drug_identifier', $fields, true)) {
+            $add['abdm_drug_identifier'] = ['type' => 'VARCHAR', 'constraint' => 120, 'null' => true, 'default' => null];
+        }
+        if (! in_array('abdm_drug_display', $fields, true)) {
+            $add['abdm_drug_display'] = ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true, 'default' => null];
+        }
+        if (! in_array('abdm_drug_generic', $fields, true)) {
+            $add['abdm_drug_generic'] = ['type' => 'VARCHAR', 'constraint' => 255, 'null' => true, 'default' => null];
+        }
+        if (! in_array('abdm_drug_payload_json', $fields, true)) {
+            $add['abdm_drug_payload_json'] = ['type' => 'MEDIUMTEXT', 'null' => true];
+        }
+        if (! in_array('abdm_drug_last_synced_at', $fields, true)) {
+            $add['abdm_drug_last_synced_at'] = ['type' => 'DATETIME', 'null' => true, 'default' => null];
+        }
+
+        if ($add !== []) {
+            $this->forge->addColumn('med_product_master', $add);
+        }
+
+        // Optional index for fast traceability lookup.
+        $indexes = $this->db->query('SHOW INDEX FROM med_product_master')->getResultArray();
+        $hasIdx = false;
+        foreach ($indexes as $idx) {
+            if (strcasecmp((string) ($idx['Key_name'] ?? ''), 'idx_abdm_drug_identifier') === 0) {
+                $hasIdx = true;
+                break;
+            }
+        }
+
+        if (! $hasIdx && in_array('abdm_drug_identifier', $this->db->getFieldNames('med_product_master') ?? [], true)) {
+            try {
+                $this->db->query('ALTER TABLE med_product_master ADD INDEX idx_abdm_drug_identifier (abdm_drug_identifier)');
+            } catch (\Throwable $e) {
+                // Ignore index creation failures to keep migration non-blocking.
+            }
+        }
+    }
+
+    public function down()
+    {
+        if (! $this->db->tableExists('med_product_master')) {
+            return;
+        }
+
+        try {
+            $this->db->query('ALTER TABLE med_product_master DROP INDEX idx_abdm_drug_identifier');
+        } catch (\Throwable $e) {
+            // no-op
+        }
+
+        $fields = $this->db->getFieldNames('med_product_master') ?? [];
+        foreach ([
+            'abdm_drug_type',
+            'abdm_drug_identifier',
+            'abdm_drug_display',
+            'abdm_drug_generic',
+            'abdm_drug_payload_json',
+            'abdm_drug_last_synced_at',
+        ] as $column) {
+            if (in_array($column, $fields, true)) {
+                $this->forge->dropColumn('med_product_master', $column);
+            }
+        }
+    }
+}

app/Libraries/Abdm/EAtriaBridgeConnector.php

@@ -539,4 +539,47 @@ class EAtriaBridgeConnector implements AbdmConnectorInterface
     {
         return $this->post('/v3/hip/link/sms-notify', $payload);
     }
+
+    // -------------------------------------------------------------------------
+    // Drug Terminology (CDCI)
+    // -------------------------------------------------------------------------
+
+    public function drugsAutocomplete(string $q, string $type = 'generic', int $limit = 10): array
+    {
+        $query = [
+            'q' => $q,
+            'type' => $type,
+            'limit' => max(1, min(50, $limit)),
+        ];
+
+        if ($this->hfrId !== '') {
+            $query['hfr_id'] = $this->hfrId;
+        }
+
+        return $this->get('/v3/drugs/autocomplete', $query);
+    }
+
+    public function drugsDetail(string $type, string $identifier): array
+    {
+        $query = [
+            'type' => $type,
+            'identifier' => $identifier,
+        ];
+
+        if ($this->hfrId !== '') {
+            $query['hfr_id'] = $this->hfrId;
+        }
+
+        return $this->get('/v3/drugs/detail', $query);
+    }
+
+    public function drugsVersion(): array
+    {
+        $query = [];
+        if ($this->hfrId !== '') {
+            $query['hfr_id'] = $this->hfrId;
+        }
+
+        return $this->get('/v3/drugs/version', $query);
+    }
 }

app/Views/medical/product_edit.php

@@ -16,6 +16,12 @@ $shelfNo = (string) ($product->shelf_no ?? '');
 $coldStorage = (string) ($product->cold_storage ?? '');
 $companyId = (int) ($product->company_id ?? 0);
 $relatedDrugId = (int) ($product->related_drug_id ?? 0);
+$abdmDrugType = (string) ($product->abdm_drug_type ?? '');
+$abdmDrugIdentifier = (string) ($product->abdm_drug_identifier ?? '');
+$abdmDrugDisplay = (string) ($product->abdm_drug_display ?? '');
+$abdmDrugGeneric = (string) ($product->abdm_drug_generic ?? '');
+$abdmDrugPayloadJson = (string) ($product->abdm_drug_payload_json ?? '');
+$abdmDrugLastSyncedAt = (string) ($product->abdm_drug_last_synced_at ?? '');
 
 $flag = static function ($v): string {
     return ((int) $v === 1) ? 'checked' : '';
@@ -25,16 +31,47 @@ $flag = static function ($v): string {
 <div class="card">
     <div class="card-header">Product <?= $productId > 0 ? '<small class="text-muted">#' . $productId . '</small>' : '' ?></div>
     <div class="card-body pt-3">
+        <style>
+            #abdm-drug-suggest {
+                max-height: 260px;
+                overflow-y: auto;
+                z-index: 1055;
+                display: none;
+                width: 100%;
+            }
+            #abdm-drug-selected {
+                font-size: 12px;
+            }
+        </style>
         <div id="product-msg"></div>
 
         <form id="product-form" class="row g-2" method="post" action="javascript:void(0)">
             <?= csrf_field() ?>
             <input type="hidden" id="product_id" name="product_id" value="<?= esc((string) $productId) ?>">
             <input type="hidden" id="related_drug_id" name="related_drug_id" value="<?= esc((string) $relatedDrugId) ?>">
+            <input type="hidden" id="abdm_drug_type" name="abdm_drug_type" value="<?= esc($abdmDrugType) ?>">
+            <input type="hidden" id="abdm_drug_identifier" name="abdm_drug_identifier" value="<?= esc($abdmDrugIdentifier) ?>">
+            <input type="hidden" id="abdm_drug_display" name="abdm_drug_display" value="<?= esc($abdmDrugDisplay) ?>">
+            <input type="hidden" id="abdm_drug_generic" name="abdm_drug_generic" value="<?= esc($abdmDrugGeneric) ?>">
+            <input type="hidden" id="abdm_drug_payload_json" name="abdm_drug_payload_json" value="<?= esc($abdmDrugPayloadJson) ?>">
+            <input type="hidden" id="abdm_drug_last_synced_at" name="abdm_drug_last_synced_at" value="<?= esc($abdmDrugLastSyncedAt) ?>">
 
             <div class="col-md-6">
                 <label class="form-label">Product Name</label>
-                <input class="form-control" name="input_item_name" id="input_item_name" type="text" value="<?= esc($itemName) ?>">
+                <div class="position-relative">
+                    <input class="form-control" name="input_item_name" id="input_item_name" type="text" value="<?= esc($itemName) ?>" autocomplete="off">
+                    <div id="abdm-drug-suggest" class="list-group position-absolute shadow-sm"></div>
+                </div>
+                <div class="d-flex align-items-center gap-2 mt-1">
+                    <small class="text-muted">ABDM Drug Search</small>
+                    <select id="abdm_drug_search_type" class="form-select form-select-sm" style="width:auto;">
+                        <option value="generic" selected>Generic</option>
+                        <option value="brand">Brand</option>
+                        <option value="product">Product</option>
+                        <option value="substance">Substance</option>
+                    </select>
+                </div>
+                <div id="abdm-drug-selected" class="text-success mt-1"></div>
             </div>
             <div class="col-md-3">
                 <label class="form-label">Formulation</label>
@@ -131,6 +168,9 @@ $flag = static function ($v): string {
 
 <script>
 (function () {
+    var suggestTimer = null;
+    var lastQuery = '';
+
     if (window.jQuery && $.fn.select2) {
         $('#med_cat_id').select2({
             width: '100%',
@@ -142,6 +182,177 @@ $flag = static function ($v): string {
         $('#product-msg').html(html || '');
     }
 
+    function showSelectedDrugSummary() {
+        var id = $('#abdm_drug_identifier').val() || '';
+        var label = $('#abdm_drug_display').val() || '';
+        var type = $('#abdm_drug_type').val() || '';
+        var generic = $('#abdm_drug_generic').val() || '';
+        var syncedAt = $('#abdm_drug_last_synced_at').val() || '';
+
+        if (!id && !label) {
+            $('#abdm-drug-selected').html('');
+            return;
+        }
+
+        var parts = [];
+        if (label) { parts.push(label); }
+        if (generic) { parts.push('Generic: ' + generic); }
+        if (type) { parts.push('Type: ' + type); }
+        if (id) { parts.push('Identifier: ' + id); }
+        if (syncedAt) { parts.push('Synced: ' + syncedAt); }
+
+        $('#abdm-drug-selected').text(parts.join(' | '));
+    }
+
+    function clearSuggestionBox() {
+        $('#abdm-drug-suggest').hide().empty();
+    }
+
+    function applyDrugDetail(detail) {
+        if (!detail || typeof detail !== 'object') {
+            return;
+        }
+
+        var label = detail.label || '';
+        var generic = detail.generic_name || '';
+        var hsnCode = detail.hsn_code || '';
+        var formulation = detail.formulation || '';
+        var packing = detail.packing || '';
+
+        if (label) {
+            $('#input_item_name').val(label);
+            $('#abdm_drug_display').val(label);
+        }
+        if (generic && !$('#input_genericname').val()) {
+            $('#input_genericname').val(generic);
+        }
+        if (hsnCode && !$('#input_HSNCODE').val()) {
+            $('#input_HSNCODE').val(hsnCode);
+        }
+
+        if (formulation) {
+            var $f = $('#input_formulation');
+            var exists = $f.find('option').filter(function () {
+                return String($(this).val()).toLowerCase() === String(formulation).toLowerCase();
+            }).length > 0;
+            if (exists) {
+                $f.val(formulation);
+            }
+        }
+
+        if (packing && !$('#input_packing_type').val()) {
+            $('#input_packing_type').val(packing);
+        }
+
+        $('#abdm_drug_type').val(detail.type || '');
+        $('#abdm_drug_identifier').val(detail.identifier || '');
+        $('#abdm_drug_generic').val(generic);
+        $('#abdm_drug_payload_json').val(detail.payload_json || '{}');
+        $('#abdm_drug_last_synced_at').val(detail.synced_at || '');
+        showSelectedDrugSummary();
+    }
+
+    function fetchDrugDetail(type, identifier) {
+        if (!identifier) {
+            return;
+        }
+
+        $.getJSON('<?= base_url('product_master/drug_terminology_detail') ?>', {
+            type: type || 'generic',
+            identifier: identifier
+        }, function (resp) {
+            if (!resp || Number(resp.ok || 0) !== 1 || !resp.selected) {
+                return;
+            }
+            applyDrugDetail(resp.selected);
+        });
+    }
+
+    function renderSuggestions(items) {
+        var $box = $('#abdm-drug-suggest');
+        $box.empty();
+
+        if (!Array.isArray(items) || items.length === 0) {
+            clearSuggestionBox();
+            return;
+        }
+
+        items.forEach(function (item) {
+            var label = item.label || '';
+            var type = item.type || '';
+            var identifier = item.identifier || '';
+            if (!label && !identifier) {
+                return;
+            }
+
+            var $a = $('<a href="#" class="list-group-item list-group-item-action py-1 px-2"></a>');
+            $a.text(label + (type ? ' [' + type + ']' : '') + (identifier ? ' (' + identifier + ')' : ''));
+            $a.on('click', function (e) {
+                e.preventDefault();
+                clearSuggestionBox();
+                if (label) {
+                    $('#input_item_name').val(label);
+                }
+                fetchDrugDetail(type, identifier);
+            });
+            $box.append($a);
+        });
+
+        if ($box.children().length > 0) {
+            $box.show();
+        } else {
+            clearSuggestionBox();
+        }
+    }
+
+    function fetchDrugSuggestions() {
+        var q = ($('#input_item_name').val() || '').trim();
+        var type = ($('#abdm_drug_search_type').val() || 'generic').trim();
+
+        if (q.length < 2) {
+            clearSuggestionBox();
+            return;
+        }
+        if (q === lastQuery) {
+            return;
+        }
+        lastQuery = q;
+
+        $.getJSON('<?= base_url('product_master/drug_terminology_autocomplete') ?>', {
+            q: q,
+            type: type,
+            limit: 10
+        }, function (resp) {
+            if (!resp || Number(resp.ok || 0) !== 1) {
+                clearSuggestionBox();
+                return;
+            }
+            renderSuggestions(resp.suggestions || []);
+        }).fail(function () {
+            clearSuggestionBox();
+        });
+    }
+
+    $('#input_item_name').off('input').on('input', function () {
+        if (suggestTimer) {
+            clearTimeout(suggestTimer);
+        }
+        suggestTimer = setTimeout(fetchDrugSuggestions, 250);
+    });
+
+    $('#abdm_drug_search_type').off('change').on('change', function () {
+        lastQuery = '';
+        fetchDrugSuggestions();
+    });
+
+    $(document).off('click.abdmDrug').on('click.abdmDrug', function (evt) {
+        if (!$(evt.target).closest('#abdm-drug-suggest, #input_item_name').length) {
+            clearSuggestionBox();
+        }
+    });
+
+    showSelectedDrugSummary();
+
     $('#btn_update_stock').off('click').on('click', function () {
         $.post('<?= base_url('product_master/product_master_update') ?>/' + ($('#product_id').val() || '0'), $('#product-form').serialize(), function (data) {
             if (!data || typeof data !== 'object') {