import std/[os, unittest]
import ./lib

if commandLineParams().len == 0:
  preCompileTestModules()

suite "hwylcli":

  okWithArgs(
    "posBasic",
    "a b c d e",
    """args=@["a", "b", "c", "d", "e"]"""
  )
  okWithArgs(
    "posFirst",
    "a b c d e",
    """first=@["a", "b", "c"], second=d, third=e"""
  )
  failWithArgs(
    "posFirst",
    "a b",
    "error missing positional args, got: 2, expected at least: 3",
  )
  okWithArgs("posLast", "a b", """first=a, second=b, third=@[]""")
  okWithArgs("posNoMulti", "5 b c", """first=5, second=b, third=c""")
  failWithArgs("posNoMulti", "5 b c d", """error unexepected positional args, got: 4, expected: 3""")

  okWithArgs("enumFlag","--color red", "color=red")
  failWithArgs("enumFlag","--color black", "error failed to parse value for color as enum: black expected one of: red,blue,green")

  okWithArgs("subcommands", "a b c","""input=b outputs=@["c"]""")
  failWithArgs("subcommands", "b b c","""error got unexpected positionals args: b c""")
  okWithArgs("subcommands","b --input in --outputs out1 --outputs out2", """input=in outputs=@["out1", "out2"]""")

  okWithArgs("posFirst", "--help",
"""usage:
  positionals first... second third [flags]

flags:
  -h --help show this help""")


  okWithArgs("flagSettings", "--help",
"""usage:
  flag-settings [flags]

flags:
     --input flag with default hidden
     --count a count var with default (0)
  -h --help  show this help""")

  okWithArgs("cliCfgSettingHideDefault", "--help",
"""usage:
  setting-hide-default [flags]

flags:
     --input flag with default hidden
     --count a count var with default
  -h --help  show this help""")

  okWithArgs("customHelp", "--help",
"""usage:
  custom-help [flags]

flags:
     --input 
         input (input.txt)
     --output
         output (output.txt)
  -h --help  
         show this help""")
  okWithArgs("subHooks", "a", """preSub from root!
inside sub 'a'
postSub from root!""")
  okWithArgs("subHooks", "b a", """preSub from root!
inside sub 'b a'
postSub from root!
inside sub 'b'""")
  okWithArgs("subHooks", "c a","""preSub from 'c'!
inside sub 'c a'
postSub from root!
inside sub c""")