setup

#! /bin/bash
# source me!
# source ~/exercism/setup
#
#
# Helpful commands:
# - init;edit  => adds a vimrc/template and opens the src/test in your editor
# - submit     => exercism submit "$(src)"
# - etest      => language specific testing
#

shopt -s extglob
unset TMOUT

gitac () {
  if [[ $PWD != */exercism ]]; then
    echo "Not in the root" >&2
    return 1
  fi
  git status -s | while IFS=' /' read _ l p; do
    git add $l/$p
    git commit -m "${l^}: Solve ${p^}"
  done
}

lang () {
  if [[ $PWD != */exercism/* ]]; then
    echo "Not in exercism" >&2
    return 1
  fi
  l="${PWD#*/exercism/}"
  echo "${l%/*}"
}

exercise () {
  if [[ $PWD != */exercism/*/* ]]; then
    echo "Not in exercism exercise" >&2
    return 1
  fi
  e="${PWD##*/}"
  echo "${e//-/_}"
}

camel () {
  local f="${1//_/ }" w x
  read -r -a w <<< "$f"
  for x in "${w[@]}"; do printf '%s' "${x^}"; done
}

src () {
  case "$(lang)" in
    python) echo "$(exercise).py" ;;
    bash) echo "$(exercise).sh" ;;
    go) echo "$(exercise).go" ;;
    haskell) f=$(exercise); echo "src/$(camel "$f").hs" ;;
    perl5) f=$(exercise); echo "$(camel "$f").pm" ;;
  esac
}

tst () {
  case "$(lang)" in
    python) echo "$(exercise)_test.py" ;;
    bash) echo "$(exercise)_test.sh" ;;
    go) echo "$(exercise)_test.go" ;;
    haskell) f=$(exercise); echo "test/Tests.hs" ;;
    perl5) echo "$(exercise).t" ;;
  esac
}

comment () {
  case "$(lang)" in
    python) echo "#" ;;
    bash) echo "#" ;;
    go) echo "//" ;;
    haskell) echo "--" ;;
    perl5) echo "#" ;;
  esac
}

init () {
  [[ -n "$(exercise)" ]] || return 1
  [[ $(lang) = "go" ]] && return
  ll=$(tail -n1 "$(src)" 2>/dev/null)
  if [[ $ll = *vim:* ]]; then
    echo "Already initialized" >&2
    return 1
  fi
  printf '\n\n%s vim:ts=2:sw=2:expandtab\n' "$(comment)" >> "$(src)"
  if [[ $(lang) == bash ]]; then
    cat ../tmpl > "$(src)"
  fi
}

edit () {
  [[ -n "$(exercise)" ]] || return 1
  vim -p "$(src)" "$(tst)"
}

etest () {
  [[ -n "$(exercise)" ]] || return 1
  case "$(lang)" in
    python) pytest "$(tst)";;
    bash) BATS_RUN_SKIPPED=true bats "$(tst)";;
    go) golint && go test -v --bench . --benchmem;;
    haskell) stack test;;
    perl5) prove .;;
  esac
}

submit () {
  [[ -n "$(exercise)" ]] || return 1
  exercism submit "$(src)"
}

# vim:ts=2:sw=2:expandtab