import times, posix, strutils
import nimgit2
import types

proc getLastError* (): GitErrorObj = 
    let error = git_error_last()

    result.message = $error.message
    result.class   = error.klass.getErrorClass

proc parseGitTime* (time: git_time): GitTime =
    result.time     = fromUnix(time.time)
    result.offset   = time.offset

proc parseGitSignature* (signature: ptr git_signature): GitSignature =
    result.name  = $signature.name
    result.email = $signature.email
    result.when  = parseGitTime(signature.when)

proc filemodeStr* (m: int): string =
  var mode = align("", 10, '-')

  if S_ISREG(cast[Mode](m)):    mode[0] = '-'
  elif S_ISBLK(cast[Mode](m)):  mode[0] = 'b'
  elif S_ISCHR(cast[Mode](m)):  mode[0] = 'c'
  elif S_ISDIR(cast[Mode](m)):  mode[0] = 'd'
  elif S_ISFIFO(cast[Mode](m)): mode[0] = 'p'
  elif S_ISLNK(cast[Mode](m)):  mode[0] = 'l'
  elif S_ISSOCK(cast[Mode](m)): mode[0] = 's'
  else:                         mode[0] = '?'


  if cast[bool](m and S_IRUSR): mode[1] = 'r'
  if cast[bool](m and S_IWUSR): mode[2] = 'w'
  if cast[bool](m and S_IXUSR): mode[3] = 'x'
  if cast[bool](m and S_IRGRP): mode[4] = 'r'
  if cast[bool](m and S_IWGRP): mode[5] = 'w'
  if cast[bool](m and S_IXGRP): mode[6] = 'x'
  if cast[bool](m and S_IROTH): mode[7] = 'r'
  if cast[bool](m and S_IWOTH): mode[8] = 'w'
  if cast[bool](m and S_IXOTH): mode[9] = 'x'

  if cast[bool](m and S_ISUID): mode[3] = if(mode[3] == 'x'): 's' else: 'S'
  if cast[bool](m and S_ISGID): mode[6] = if(mode[6] == 'x'): 's' else: 'S'
  if cast[bool](m and S_ISVTX): mode[9] = if(mode[9] == 'x'): 't' else: 'T'

  result = mode