package nfs

import (
	"compress/gzip"
	"compress/zlib"
	"encoding/hex"
	"io"
	"os"

	ice "shylinux.com/x/icebergs"
	"shylinux.com/x/icebergs/base/mdb"
	kit "shylinux.com/x/toolkits"
)

const HEX = "hex"

func init() {
	Index.MergeCommands(ice.Commands{HEX: {Name: "hex path compress=raw,gzip,zlib size auto", Help: "二进制", Hand: func(m *ice.Message, arg ...string) {
		if DirList(m, arg...) {
			return
		}
		Open(m, arg[0], func(r io.Reader, s os.FileInfo) {
			switch arg[1] {
			case "gzip":
				if g, e := gzip.NewReader(r); !m.WarnNotFound(e) {
					r = g
				}
			case "zlib":
				if z, e := zlib.NewReader(r); !m.WarnNotFound(e) {
					r = z
				}
			}
			buf := make([]byte, kit.Int(kit.Select("1024", arg, 2)))
			n, _ := r.Read(buf)
			kit.For(n, func(i int) {
				kit.If(i%8 == 0, func() { m.Push(OFFSET, kit.Format("%04d", i)) })
				m.Push(kit.Format(i%8), hex.EncodeToString(buf[i:i+1]))
				kit.If(i%8 == 7, func() { m.Push(mdb.TEXT, string(buf[i-7:i+1])) })
			})
			m.StatusTime(mdb.TIME, s.ModTime().Format(ice.MOD_TIME), FILE, arg[0], SIZE, kit.FmtSize(s.Size()))
		})
	}}})
}