import std/[strutils, terminal, unicode]
import cliutils, docopt
# This is just an example to get you started. A typical binary package
# uses this file as the main entry point of the application.

const VERSION = "0.1.0"
const USAGE = """Usage:
  hr [<heading>] [options]

Options:

  -c, --color <color>   Color to make the rule.
  -d, --double-rule     Draw as ═══════════
  -C, --char <char>     Character to use to make the rule
"""

when isMainModule:
  try:
    let args = docopt(USAGE, version = VERSION)

    let color =
      if args["--color"]: parseEnum[TerminalColors]("c" & $args["--color"])
      else: cDefault

    let ruleChar =
      if args["--char"]: $args["--char"]
      elif args["--double-rule"]: "═"
      else: "─"

    stdout.writeLine(termFmt(
      repeat(ruleChar, terminalWidth()),
      fg = color, bg = cDefault))

    if args["<heading>"]:
      let heading = $args["<heading>"]
      let padding = max(0, (terminalWidth() - runeLen(heading)) div 2)
      stdout.writeLine(termFmt(
        repeat(" ", padding) & heading & repeat(" ", padding),
        fg = color, bg = cDefault))

  except:
    stderr.writeLine("hf - FATAL: " & getCurrentExceptionMsg())
    stderr.writeLine(getCurrentException().getStackTrace())
    quit(QuitFailure)