package main

import (
	"io"
	"os"
	"sync/atomic"

	"gitea.k3s.k0.nu/tools/photocli/internal/photos"
)

func runMain(args []string, stdout, stderr *os.File, bridge photos.Bridge) int {
	return runMainWithSignal(args, stdout, stderr, bridge, defaultSignalChan())
}

func runMainWithSignal(args []string, stdout *os.File, stderr io.Writer, bridge photos.Bridge, sigCh <-chan struct{}) int {
	done := make(chan struct{})
	var rc atomic.Int32

	go func() {
		rc.Store(int32(run(args, stdout, stderr, bridge)))
		close(done)
	}()

	select {
	case <-done:
	case <-sigCh:
		bridge.Cancel()
		stderr.Write([]byte("\nreceived signal, finishing current file...\n"))
		<-done
	}

	return int(rc.Load())
}