From c4a66fcf9a618840fa59688e689391368fbf0cae Mon Sep 17 00:00:00 2001
From: Yoga Pangestu <ypangestu976@gmail.com>
Date: Sun, 4 Jan 2026 22:51:01 +0700
Subject: [PATCH] feat: Add Bluetooth printer connection functionality and UI
 alongside existing USB printer support.

---
 .../studio/manage/order/index.blade.php       | 234 +++++++++++++-----
 1 file changed, 173 insertions(+), 61 deletions(-)

diff --git a/resources/views/livewire/studio/manage/order/index.blade.php b/resources/views/livewire/studio/manage/order/index.blade.php
index a3fcba6..d191cc7 100644
--- a/resources/views/livewire/studio/manage/order/index.blade.php
+++ b/resources/views/livewire/studio/manage/order/index.blade.php
@@ -4,19 +4,29 @@
             <flux:heading size="xl">{{ $pageTitle }}</flux:heading>
         </div>
         @can('create order')
-            <div class="flex" x-data="{ isConnected: !!localStorage.getItem('printerDevice') }" @printer-status-change.window="isConnected = $event.detail.connected">
+            <div class="flex" x-data="{
+                isConnected: !!(localStorage.getItem('printerDevice') || localStorage.getItem('btPrinterDevice'))
+            }" @printer-status-change.window="isConnected = $event.detail.connected">
                 <flux:button href="{{ route('studio.manage.order.create') }}" variant="primary" wire:navigate class="text-sm">
                     Tambah
                 </flux:button>
                 <template x-if="!isConnected">
-                    <flux:button variant="primary" color="cyan" class="ms-2" wire:click="$dispatch('connectUSB')">
-                        Connect USB
-                    </flux:button>
+                    <div class="flex gap-2 ms-2">
+                        <flux:button variant="primary" color="cyan" wire:click="$dispatch('connectUSB')">
+                            Connect USB
+                        </flux:button>
+                        <flux:button variant="primary" color="indigo" wire:click="$dispatch('connectBluetooth')">
+                            Connect Bluetooth
+                        </flux:button>
+                    </div>
                 </template>
                 <template x-if="isConnected">
-                    <div class="ms-2 flex items-center gap-2 text-green-600 bg-green-50 px-3 py-1 rounded-lg border border-green-200">
+                    <div
+                        class="ms-2 flex items-center gap-2 text-green-600 bg-green-50 px-3 py-1 rounded-lg border border-green-200">
                         <flux:icon.check-circle class="size-4" />
                         <span class="text-sm font-medium">Printer Connected</span>
+                        {{-- <flux:button variant="ghost" size="xs" color="danger" class="ms-1" icon="x-mark"
+                            x-on:click="localStorage.removeItem('printerDevice'); localStorage.removeItem('btPrinterDevice'); window.printerDevice = null; window.btCharacteristic = null; window.dispatchEvent(new CustomEvent('printer-status-change', { detail: { connected: false } }))" /> --}}
                     </div>
                 </template>
             </div>
@@ -67,11 +77,13 @@
     <script>
         document.addEventListener('livewire:navigated', () => {
             window.printerDevice = null;
+            window.btCharacteristic = null;
             let currentOrder = null;
 
             // Check if device is already stored
-            const savedDevice = localStorage.getItem('printerDevice');
-            if (savedDevice) {
+            const savedUSB = localStorage.getItem('printerDevice');
+            const savedBT = localStorage.getItem('btPrinterDevice');
+            if (savedUSB || savedBT) {
                 // Dispatch event to update UI
                 setTimeout(() => window.dispatchEvent(new CustomEvent('printer-status-change', {
                     detail: {
@@ -100,13 +112,12 @@
                         vendorId: device.vendorId,
                         productId: device.productId,
                         productName: device.productName,
-                        manufacturerName: device.manufacturerName,
-                        serialNumber: device.serialNumber
                     };
 
                     localStorage.setItem('printerDevice', JSON.stringify(deviceInfo));
+                    localStorage.removeItem('btPrinterDevice'); // Clear BT if USB is connected
 
-                    console.log('Connected to:', device.productName);
+                    console.log('Connected to USB:', device.productName);
                     window.dispatchEvent(new CustomEvent('printer-status-change', {
                         detail: {
                             connected: true
@@ -114,51 +125,138 @@
                     }));
 
                 } catch (err) {
-                    console.error('Gagal connect:', err);
+                    console.error('Gagal connect USB:', err);
+                }
+            });
+
+            Livewire.on('connectBluetooth', async (event) => {
+                try {
+                    const device = await navigator.bluetooth.requestDevice({
+                        filters: [{
+                                services: ['000018f0-0000-1000-8000-00805f9b34fb']
+                            },
+                            {
+                                services: ['0000ff00-0000-1000-8000-00805f9b34fb']
+                            },
+                            {
+                                services: ['49535343-fe7d-4ae5-8fa9-9fafd205e455']
+                            }, // microchip
+                            {
+                                namePrefix: 'TP'
+                            },
+                            {
+                                namePrefix: 'RP'
+                            },
+                            {
+                                namePrefix: 'MPT'
+                            },
+                            {
+                                namePrefix: 'InnerPrinter'
+                            },
+                            {
+                                namePrefix: 'Bluetooth'
+                            }
+                        ],
+                        optionalServices: [
+                            '00001101-0000-1000-8000-00805f9b34fb',
+                            '000018f0-0000-1000-8000-00805f9b34fb',
+                            '0000ff00-0000-1000-8000-00805f9b34fb',
+                            '49535343-fe7d-4ae5-8fa9-9fafd205e455'
+                        ]
+                    });
+
+                    const server = await device.gatt.connect();
+
+                    // Try to find the write characteristic
+                    const services = await server.getPrimaryServices();
+                    let characteristic = null;
+
+                    for (const service of services) {
+                        const characteristics = await service.getCharacteristics();
+                        for (const char of characteristics) {
+                            if (char.properties.write || char.properties.writeWithoutResponse) {
+                                characteristic = char;
+                                break;
+                            }
+                        }
+                        if (characteristic) break;
+                    }
+
+                    if (!characteristic) {
+                        throw new Error("Tidak menemukan characteristic untuk menulis data.");
+                    }
+
+                    window.btCharacteristic = characteristic;
+
+                    const deviceInfo = {
+                        name: device.name,
+                        id: device.id
+                    };
+
+                    localStorage.setItem('btPrinterDevice', JSON.stringify(deviceInfo));
+                    localStorage.removeItem('printerDevice'); // Clear USB if BT is connected
+
+                    console.log('Connected to Bluetooth:', device.name);
+                    window.dispatchEvent(new CustomEvent('printer-status-change', {
+                        detail: {
+                            connected: true
+                        }
+                    }));
+
+                    device.addEventListener('gattserverdisconnected', () => {
+                        console.log('Bluetooth disconnected');
+                        window.btCharacteristic = null;
+                        localStorage.removeItem('btPrinterDevice');
+                        window.dispatchEvent(new CustomEvent('printer-status-change', {
+                            detail: {
+                                connected: false
+                            }
+                        }));
+                    });
+
+                } catch (err) {
+                    console.error('Gagal connect Bluetooth:', err);
+                    alert('Gagal menghubungkan Bluetooth: ' + err.message);
                 }
             });
 
             async function autoReconnect() {
-                const saved = localStorage.getItem('printerDevice');
+                const savedUSB = localStorage.getItem('printerDevice');
+                const savedBT = localStorage.getItem('btPrinterDevice');
 
-                if (!saved) return;
+                if (savedUSB) {
+                    const {
+                        vendorId,
+                        productId
+                    } = JSON.parse(savedUSB);
+                    try {
+                        const devices = await navigator.usb.getDevices();
+                        const target = devices.find(d => d.vendorId === vendorId && d.productId === productId);
 
-                const {
-                    vendorId,
-                    productId
-                } = JSON.parse(saved);
-
-                const devices = await navigator.usb.getDevices();
-
-                const target = devices.find(d => d.vendorId === vendorId && d.productId === productId);
-
-                if (!target) return;
-
-                try {
-                    await target.open();
-                    if (target.configuration === null) {
-                        await target.selectConfiguration(1);
+                        if (target) {
+                            await target.open();
+                            if (target.configuration === null) {
+                                await target.selectConfiguration(1);
+                            }
+                            await target.claimInterface(0);
+                            window.printerDevice = target;
+                            console.log('Auto reconnected to USB:', target.productName);
+                        }
+                    } catch (err) {
+                        console.error('Gagal autoreconnect USB:', err);
                     }
-
-                    await target.claimInterface(0);
-                    window.printerDevice = target;
-
-                    console.log('Auto reconnected to:', target.productName);
-                    window.dispatchEvent(new CustomEvent('printer-status-change', {
-                        detail: {
-                            connected: true
-                        }
-                    }));
-                } catch (err) {
-                    console.error('Gagal autoreconnect:', err);
-                    // If fail, remove storage
-                    localStorage.removeItem('printerDevice');
-                    window.dispatchEvent(new CustomEvent('printer-status-change', {
-                        detail: {
-                            connected: false
-                        }
-                    }));
+                } else if (savedBT) {
+                    // Bluetooth doesn't support silent reconnect in many browsers without user gesture
+                    // But we can check if it's still connected or just clear it if it needs manual action
+                    console.log('Bluetooth device saved, but may need manual reconnection if disconnected.');
                 }
+
+                const isConnected = !!(window.printerDevice || window.btCharacteristic);
+                window.dispatchEvent(new CustomEvent('printer-status-change', {
+                    detail: {
+                        connected: isConnected
+                    }
+                }));
             }
 
             autoReconnect();
@@ -218,25 +316,20 @@ function getMaxChar(widthMM) {
             });
 
             async function printReceipt(order, paperSize = 58) {
-                if (!window.printerDevice) {
-                    // Try auto reconnect if not connected but saved
+                if (!window.printerDevice && !window.btCharacteristic) {
+                    // Try auto reconnect or prompt
                     await autoReconnect();
-                    if (!window.printerDevice) {
-                        alert("Printer belum terkoneksi via USB.");
+                    if (!window.printerDevice && !window.btCharacteristic) {
+                        alert("Printer belum terkoneksi via USB atau Bluetooth.");
                         return;
                     }
                 }
 
                 const encoder = new TextEncoder();
-                const device = window.printerDevice;
 
                 // ESC/POS Commands
                 const ESC = "\x1B";
-                const GS = "\x1D";
                 const reset = new Uint8Array([0x1B, 0x40]);
-                const alignLeft = new Uint8Array([0x1B, 0x61, 0]);
-                const alignCenter = new Uint8Array([0x1B, 0x61, 1]);
-                const alignRight = new Uint8Array([0x1B, 0x61, 2]);
                 const cut = new Uint8Array([0x1D, 0x56, 0x00]);
 
                 const MAX = getMaxChar(paperSize);
@@ -305,7 +398,7 @@ function getMaxChar(widthMM) {
                     }
 
                     // Add extra newline if not packed tight
-                    text += "\n"; 
+                    text += "\n";
                 });
 
                 text += line;
@@ -331,10 +424,29 @@ function getMaxChar(widthMM) {
 
                 const textBytes = encoder.encode(text);
 
-                // SEND
-                await device.transferOut(1, reset);
-                await device.transferOut(1, textBytes);
-                await device.transferOut(1, cut);
+                // SEND DATA FUNCTION
+                const sendData = async (data) => {
+                    if (window.printerDevice) {
+                        await window.printerDevice.transferOut(1, data);
+                    } else if (window.btCharacteristic) {
+                        // Bluetooth often has a limit on packet size (typically 20-512 bytes)
+                        // Split data into chunks if necessary
+                        const chunkSize = 100;
+                        for (let i = 0; i < data.length; i += chunkSize) {
+                            const chunk = data.slice(i, i + chunkSize);
+                            await window.btCharacteristic.writeValue(chunk);
+                        }
+                    }
+                };
+
+                try {
+                    await sendData(reset);
+                    await sendData(textBytes);
+                    await sendData(cut);
+                } catch (err) {
+                    console.error('Gagal mencetak:', err);
+                    alert('Gagal mencetak: ' + err.message);
+                }
             }
         });
     </script>