package main

import (
	/*
		#include <stdint.h>
	*/
	"C"
	"fmt"
	_ "image/png"

	"github.com/google/gousb"
)
import (
	"github.com/google/gousb/usbid"
	"gt.mokkon.com/sainw/libgofunc"
)

//export Sum
func Sum(a, b int) int {
	return a + b
}

func main() {
	payload := `{"Name":"Ko Myo","Amount":3000}`
	const temp = `
<img src="logo.png" style="width:230;height:200;padding-left:130px;padding-top:30px"/>
<h1 style="padding-left:150px">New Day Energy</h1>

<p style="padding-left:10px">Address: မင်္ဂလာပါ {{.Name}}</p>
<p style="padding-left:10px">Receipt: RCPT001</p>
<p style="padding-left:10px">Phone: 0977777777</p>
<p style="padding-left:10px">Date: 4 Jan 2026 15:38:38</p>
<p style="padding-left:10px">Car No.: 3J/3883</p>
<p style="padding-left:10px">Casher: မနှင်းနှင်း</p>
<p style="padding-left:10px">MOP: B2B</p>
<p style="padding-left:10px">Tier: 1</p>
<p style="padding-left:10px">Deal No.: RR</p>
<hr style="height:1px;padding-left:10px;padding-right:10px;padding-bottom:10px"/>

<table style="padding-left:10px;padding-bottom:10px;border:0px;font-size:16px;border:0px;">
<tr>
<th>Item</th>
<th>Pump</th>
<th>Price</th>
<th>Liter</th>
<th>Gallon</th>
<th>Amount</th>
</tr>
<tr>
<td>95 RON</td>
<td>P8</td>
<td>2,000</td>
<td>3.25</td>
<td>0.715</td>
<td>6,500</td>
</tr>
</table>

<p style="padding-left:0px;padding-top:50px;">
စက်သုံးဆီ အရေအတွက် နှင့် အရည်အသွေးစျေးနှုန်းများ အားသံသယရှိပါက ph 09450539099, 09765421033, 09765421029 သို့တိုင်ကြား     နိုင်ပါသည်။</p>
`
	result := libgofunc.GenImg(550, "./out.png", payload, temp)
	fmt.Println("Result:", result)
	// PrintImg(C.CString("usb:/dev/usb/lp1"), C.CString("build/out.png"))
	// libgofunc.Print("int:/dev/bus/usb/001/046", "./out.png")
	libgofunc.Print("tcp:192.168.100.151:9100", "./out.png")
	// printer := "tcp:192.168.100.151:9100"
	// ListUSB()
}

func ListUSB() {
	ctx := gousb.NewContext()
	defer ctx.Close()

	// OpenDevices returns all devices that return 'true' in the filter
	devices, _ := ctx.OpenDevices(func(desc *gousb.DeviceDesc) bool {
		// fmt.Println(usbid.Describe(desc))

		// path := fmt.Sprintf("/dev/bus/usb/%03d/%03d", desc.Bus, desc.Address)
		// fmt.Printf("Device Path: %s\n", path)

		// switch desc.Class {
		// case 7:
		// 	fmt.Println("Found a standard printer")
		// case 0xFF:
		// 	fmt.Println("Found a vendor-specific device (likely your printer)")
		// }

		return true // Open every device to read its name
	})
	defer func() {
		for _, d := range devices {

			d.Close()
		}
	}()

	for _, d := range devices {
		fmt.Println(usbid.Describe(d.Desc))
		fmt.Printf("Bus: %d, Address: %d\n", d.Desc.Bus, d.Desc.Address)
		// Read human-readable names from the device strings
		manufacturer, _ := d.Manufacturer()
		product, _ := d.Product()
		serial, _ := d.SerialNumber()
		// d.Desc.Path
		fmt.Printf("ID: %s:%s | Manufacturer: %s | Product: %s | Serial: %s\n",
			d.Desc.Vendor, d.Desc.Product, manufacturer, product, serial)
	}
}