#!/bin/sh

for n in "$@"; do case ${n%%=*} in
  data) _DATA="${n#data=}";;
  exec) _exec="${n#exec=}";;
  noerr) exec 2>&-;;
esac; done

[ -z "${_EXEC%/}" ] && _EXEC="$(realpath "${0%/*}")" || _EXEC="${_EXEC%/}"
[ -z "${_DATA%/}" ] && _DATA=. || _DATA="${_DATA%/}"

. "$_EXEC/cgilite/cgilite.sh"
. "$_EXEC/cgilite/session.sh"

_PATH="$(PATH "/${PATH_INFO}")"
ACTION="$(GET a)"

message="$(COOKIE message)"
[ "$message" ] && SET_COOKIE 0 message=''

yield_page() {
  local class="$1" style="$2"
  printf 'Content-Type: text/html; charset=utf-8\r\n\r\n'
  { printf '
	[html [head
          [title Confetti]
	  [meta name="viewport" content="width=device-width"]
	  [link rel="stylesheet" type="text/css" href="/style.css"]
    '
    [ -n "$style" ] && printf '
	  [link rel="stylesheet" type="text/css" href="%s"]
    ' "$style"
    printf '
	] [body class="%s"
    ' "$class"
    cat
    [ "$message" ] && printf '[p #message\n%s\n]' $(l10n "$message")
    printf '] ]'
  } \
  | "${_EXEC}/cgilite/html-sh.sed"
}

if   [   -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}/main.cgi" ]; then
  . "${_EXEC}/${_PATH}/main.cgi"
elif [ ! -d "${_EXEC}/${_PATH}" -a -x "${_EXEC}/${_PATH}" ]; then
  . "${_EXEC}/${_PATH}"
elif [ ! -x "${_EXEC}/${_PATH}" -a -r "${_EXEC}/${_PATH}" ]; then
  . "$_EXEC/cgilite/file.sh"
  FILE "${_EXEC}/${_PATH}"
else
  printf 'Status: 404 Not Found\r\nContent-Length: 0\r\n\r\n'
fi