#!/usr/bin/env bash
set -euo pipefail

cd "$(dirname "$0")/.."

for module in \
  src/Nuthatch/Http/Server.hs \
  src/Nuthatch/Http/Auth.hs \
  src/Nuthatch/Browse.hs \
  src/Nuthatch/Transfer.hs \
  src/Nuthatch/Mutation/Service.hs \
  src/Nuthatch/Mutation/Recovery.hs \
  src/Nuthatch/Mutation/Effects.hs; do
  test -f "$module"
done

test "$(wc -l <src/Nuthatch/App.hs)" -le 40

if grep -Eq 'Servant|Nuthatch\.Http' \
    src/Nuthatch/Mutation/Service.hs \
    src/Nuthatch/Mutation/Recovery.hs \
    src/Nuthatch/Mutation/Effects.hs; then
  printf '%s\n' "Mutation protocol services depend on HTTP" >&2
  exit 1
fi

grep -F 'Nuthatch.Mutation.Service' src/Nuthatch/Transfer.hs >/dev/null
grep -F 'Nuthatch.Mutation.Service' src/Nuthatch/Http/Server.hs >/dev/null
grep -F 'Nuthatch.Mutation.Service' src/Nuthatch/Mutation/Recovery.hs >/dev/null

if grep -Eq 'recoverOnce|recoverOne|finalizeRecovered|observeObjectWithRetry' \
    src/Nuthatch/App.hs src/Nuthatch/Http/*.hs; then
  printf '%s\n' "Recovery implementation leaked into HTTP composition" >&2
  exit 1
fi

printf '%s\n' "Application responsibility boundaries passed"