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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

import (
	"debug/buildinfo"
	"embed"
	"os"
	"os/exec"
	"path/filepath"
	"plugin"
	"unicode"

	"go.wit.com/dev/alexflint/arg"
	"go.wit.com/gui"
	"go.wit.com/log"
)

// sent via -ldflags
var VERSION string
var BUILDTIME string

// used for shell auto completion
var ARGNAME string = "fixup" // todo: get this from $0 ?

//go:embed resources/*
var resources embed.FS

func main() {
	me = new(autoType)
	gui.InitArg()
	me.pp = arg.MustParse(&argv)

	// check if the binary is being called to test
	// if the plugin can actually loaded. This is a hack
	// around needing a Test() plugin load function in GO
	if gui.IsGoPluginTestHack() {
		gui.CheckPlugin()
		os.Exit(0)
	}

	if argv.Bash {
		argv.doBash()
		os.Exit(0)
	}
	if len(argv.BashAuto) != 0 {
		argv.doBashAuto()
		os.Exit(0)
	}

	me.pb = NewBlocks()

	/*
		if argv.Drives != nil {
			doDrives()
			doDrives2()
		}
	*/

	go listenForBlockEvents()
	doGui()
	okExit("everything compiled")
}

func doFixup() {
	okExit("list drives")
}

// this is dumb. sync this with go-deb
func trimNonNumericFromStart(s string) string {
	for i, r := range s {
		if unicode.IsDigit(r) {
			return s[i:]
		}
	}
	return ""
}

func okExit(thing string) {
	if thing != "" {
		log.Info(thing, "ok")
	}
	// log.Info("Finished go-clean on", check.GetGoPath(), "ok")
	os.Exit(0)
}

func badExit(err error) {
	log.Info("go-clean failed: ", err)
	os.Exit(-1)
}

func dumpDebug() {
	// Get absolute path of the currently running binary
	exePath, err := os.Executable()
	if err != nil {
		log.Println("Error getting executable path:", err)
		return
	}

	// Resolve symlinks if necessary
	exePath, err = filepath.EvalSymlinks(exePath)
	if err != nil {
		log.Println("Error resolving symlink:", err)
		return
	}

	// Read build info
	bi, err := buildinfo.ReadFile(exePath)
	if err != nil {
		log.Println("Error reading build info:", err)
		return
	}

	log.Println("Go Version:", bi.GoVersion)
	for _, dep := range bi.Deps {
		log.Printf("Dependency: %s %s\n", dep.Path, dep.Version)
	}
}

func checkPlug(pluginPath string) *plugin.Plugin {
	if err := checkPluginViaSubprocess(pluginPath); err != nil {
		log.Printf("Plugin check failed: %v\n", err)
		return nil
	}

	p, err := plugin.Open(pluginPath)
	if err != nil {
		log.Fatalf("plugin.Open failed: %v", err)
	}

	log.Println("Plugin loaded successfully.")
	return p
}

func checkPluginViaSubprocess(path string) error {
	exe, err := os.Executable()
	if err != nil {
		return log.Errorf("failed to get executable path: %w", err)
	}
	resolved, err := filepath.EvalSymlinks(exe)
	if err != nil {
		return log.Errorf("failed to resolve executable symlink: %w", err)
	}

	cmd := exec.Command(resolved, "--gui-check-plugin", path)
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr
	return cmd.Run()
}