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

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
fixture_root="$(mktemp -d)"
trap 'rm -rf "$fixture_root"' EXIT

printf '#!/bin/sh\nexit 0\n' > "$fixture_root/ok.sh"
printf '#!/bin/sh\r\nexit 0\r\n' > "$fixture_root/bad.sh"
printf 'services:\r\n  app:\r\n    image: example\r\n' > "$fixture_root/compose.yaml"
printf 'FROM scratch\r\n' > "$fixture_root/Dockerfile"
printf 'Write-Output "ok"\r\n' > "$fixture_root/valid.ps1"

set +e
output="$("$repo_root/scripts/verify-line-endings.sh" "$fixture_root" 2>&1)"
status=$?
set -e

if [[ $status -eq 0 ]]; then
  echo "expected CRLF rejection" >&2
  exit 1
fi

for expected_path in bad.sh compose.yaml Dockerfile; do
  if ! grep -Fqx "$expected_path" <<< "$output"; then
    echo "missing CRLF path: $expected_path" >&2
    exit 1
  fi
done

if grep -Fq 'ok.sh' <<< "$output"; then
  echo "reported LF-only path: ok.sh" >&2
  exit 1
fi

if grep -Fq 'valid.ps1' <<< "$output"; then
  echo "reported compliant CRLF PowerShell path: valid.ps1" >&2
  exit 1
fi

printf '#!/bin/sh\nexit 0\n' > "$fixture_root/bad.sh"
printf 'services:\n  app:\n    image: example\n' > "$fixture_root/compose.yaml"
printf 'FROM scratch\n' > "$fixture_root/Dockerfile"

"$repo_root/scripts/verify-line-endings.sh" "$fixture_root"

git_fixture="$fixture_root/git-worktree"
mkdir -p "$git_fixture"
git -C "$git_fixture" init -q
printf 'tracked then deleted\n' >"$git_fixture/deleted.md"
git -C "$git_fixture" add deleted.md
rm "$git_fixture/deleted.md"

git_output="$(cd "$git_fixture" && "$repo_root/scripts/verify-line-endings.sh" 2>&1)"
if grep -Fq 'No such file or directory' <<<"$git_output"; then
  echo "line-ending verifier tried to read a tracked deletion" >&2
  exit 1
fi

echo "line-ending verifier tests passed"