main.go

package main

import (
    "os"
    "os/signal"
    "embed"
    "net"
    "strconv"
)

// import internal packages
import (
    "D3VL/WebWrap/packages/logging"
    "D3VL/WebWrap/packages/open-browser"
    "D3VL/WebWrap/packages/server"
)

//go:embed static
var embeddedFS embed.FS

func findAvailablePort() (int, error) {
    address, err := net.ResolveTCPAddr("tcp", "localhost:0")
    if err != nil {
        return 0, err
    }

    listener, err := net.ListenTCP("tcp", address)
    if err != nil {
        return 0, err
    }
    defer listener.Close()
    return listener.Addr().(*net.TCPAddr).Port, nil
}


func main() {
    // listen for interrupt signal
    interrupt := make(chan os.Signal, 1)
        signal.Notify(interrupt, os.Interrupt)

     
    log.EnableVerbose()
    log.Debug("WebWrap Initializing...")

    log.Info("Starting...")

    // generate a random port number
    portInt, err := findAvailablePort()
    if err != nil {
        log.Error("Error finding an available port: " + err.Error())
        return
    }

    port := strconv.Itoa(portInt)
    
    go func() {
        server.Start(embeddedFS, port);
    }()
    
    browser.Open("http://127.0.0.1:" + port)

    log.Info("When you are done, close this window to exit")

    for {
        select {
            case <-interrupt:
                log.Debug("Process interrupted")
                return
        }
    }
}