#!/usr/bin/env bash

source "${DOCPARS_HOME}/scripts/core.sh"

_cat() {
   cat "${DOCPARS_HOME}/README.md"
}

_code() {
   _cat \
      | grep '/usr/bin/env' -A999 \
      | grep -m1 '```' -B999 \
      | grep -v '```' \
      | sed "s|/path/to/docpars|${DOCPARS_BIN}|"
}

_backticked_line() {
   _cat \
      | grep "$1" \
      | grep -Eo '`[^`]+' \
      | head -n1 \
      | tr -d '`'
}

_run() {
   local -r filename="${DOCPARS_HOME}/target/coffee"
   local -r code="$(_code)"
   local -r input=($(_backticked_line "If you run" | tr ' ' '\n' | tail -n +2))
   local -r output="$(_backticked_line "should be printed")"

   mkdir -p "$(dirname "$filename")" 2>/dev/null || true
   rm "$filename" 2>/dev/null || true
   echo "$code" > "$filename"
   chmod +x "$filename"

   "$filename" "${input[@]}" \
      | test::equals "$output"
}

test::set_suite "README.md"
test::run "bash script works" _run