//go:build linux

package mount

import (
	"context"
	"fmt"

	"bazil.org/fuse"
	"bazil.org/fuse/fs"
	"gitea.dddbg.com/youbin/bdrclone/internal/baidu"
)

func Mount(ctx context.Context, client *baidu.Client, mountpoint string, options Options) error {
	if options.Name == "" {
		options.Name = "bdrclone"
	}
	mountOptions := []fuse.MountOption{fuse.FSName(options.Name), fuse.Subtype("bdrclone")}
	if options.ReadOnly {
		mountOptions = append(mountOptions, fuse.ReadOnly())
	}
	conn, err := fuse.Mount(mountpoint, mountOptions...)
	if err != nil {
		return fmt.Errorf("mount %s: %w", mountpoint, err)
	}
	defer conn.Close()
	server := fs.New(conn, &fs.Config{})
	serveErr := make(chan error, 1)
	go func() { serveErr <- server.Serve(New(client, options.ReadOnly)) }()
	select {
	case err := <-serveErr:
		return err
	case <-ctx.Done():
		_ = fuse.Unmount(mountpoint)
		return <-serveErr
	}
}