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

REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
SCRIPT="$REPO_ROOT/scripts/check-vale-style-sync.sh"
PASS=0
FAIL=0

pass() { echo "  PASS: $1"; PASS=$((PASS + 1)); }
fail() { echo "  FAIL: $1"; FAIL=$((FAIL + 1)); }

# Helper: make a fixture repo with skill-audit/agent-audit's Vale copies, in sync by default.
make_fixture() {
  local dir
  dir="$(mktemp -d)"
  local skill_audit="$dir/plugins/kyberforge/skills/skill-audit"
  local agent_audit="$dir/plugins/kyberforge/skills/agent-audit"
  mkdir -p "$skill_audit/scripts" "$skill_audit/assets/vale/styles/Kyberforge"
  mkdir -p "$agent_audit/scripts" "$agent_audit/assets/vale/styles/Kyberforge"

  echo '#!/usr/bin/env bash' > "$skill_audit/scripts/vale-wrap.sh"
  echo 'echo wrap' >> "$skill_audit/scripts/vale-wrap.sh"
  cp "$skill_audit/scripts/vale-wrap.sh" "$agent_audit/scripts/vale-wrap.sh"

  echo 'extends: existence' > "$skill_audit/assets/vale/styles/Kyberforge/Rule.yml"
  cp "$skill_audit/assets/vale/styles/Kyberforge/Rule.yml" "$agent_audit/assets/vale/styles/Kyberforge/Rule.yml"

  echo "$dir"
}

# --- 1. Exits 0 when the two copies are in sync ---
echo ""
echo "--- exits 0 when skill-audit and agent-audit copies are in sync ---"
FIXTURE="$(make_fixture)"
trap 'rm -rf "$FIXTURE"' EXIT
if bash "$SCRIPT" "$FIXTURE" > /dev/null 2>&1; then
  pass "exits 0 when copies are in sync"
else
  fail "exited non-zero against in-sync copies"
fi

# --- 2. Exits 1 when vale-wrap.sh differs between the two copies ---
echo ""
echo "--- exits 1 when vale-wrap.sh differs ---"
FIXTURE2="$(make_fixture)"
trap 'rm -rf "$FIXTURE" "$FIXTURE2"' EXIT
echo 'echo different' >> "$FIXTURE2/plugins/kyberforge/skills/skill-audit/scripts/vale-wrap.sh"
if bash "$SCRIPT" "$FIXTURE2" > /dev/null 2>&1; then
  fail "exited 0 when vale-wrap.sh copies differ — expected exit 1"
else
  pass "exits non-zero when vale-wrap.sh copies differ"
fi

# --- 3. Exits 1 when a style rule differs between the two copies ---
echo ""
echo "--- exits 1 when a Kyberforge style rule differs ---"
FIXTURE3="$(make_fixture)"
trap 'rm -rf "$FIXTURE" "$FIXTURE2" "$FIXTURE3"' EXIT
echo 'level: error' >> "$FIXTURE3/plugins/kyberforge/skills/agent-audit/assets/vale/styles/Kyberforge/Rule.yml"
if bash "$SCRIPT" "$FIXTURE3" > /dev/null 2>&1; then
  fail "exited 0 when a style rule differs — expected exit 1"
else
  pass "exits non-zero when a Kyberforge style rule differs between copies"
fi

# --- 4. Exits 1 when a rule file exists in only one copy ---
echo ""
echo "--- exits 1 when a rule file is missing from one copy ---"
FIXTURE4="$(make_fixture)"
trap 'rm -rf "$FIXTURE" "$FIXTURE2" "$FIXTURE3" "$FIXTURE4"' EXIT
echo 'extends: existence' > "$FIXTURE4/plugins/kyberforge/skills/agent-audit/assets/vale/styles/Kyberforge/Extra.yml"
if bash "$SCRIPT" "$FIXTURE4" > /dev/null 2>&1; then
  fail "exited 0 when a rule file exists in only one copy — expected exit 1"
else
  pass "exits non-zero when a rule file is missing from one copy"
fi

# --- 5. Exits 0 (no-op) when kyberforge isn't present in the target repo ---
echo ""
echo "--- exits 0 when kyberforge skills are absent (no-op) ---"
FIXTURE5="$(mktemp -d)"
trap 'rm -rf "$FIXTURE" "$FIXTURE2" "$FIXTURE3" "$FIXTURE4" "$FIXTURE5"' EXIT
if bash "$SCRIPT" "$FIXTURE5" > /dev/null 2>&1; then
  pass "exits 0 as a no-op when skill-audit/agent-audit don't exist"
else
  fail "exited non-zero when skill-audit/agent-audit are simply absent"
fi

# --- 6. Exits 1 when only one of the two copies is present ---
# The no-op guard used `||`, so a single missing copy also exited 0 — a deleted
# or renamed copy passed the sync check silently.
echo ""
echo "--- exits 1 when only one of the two copies is present ---"
FIXTURE6="$(make_fixture)"
FIXTURE7="$(make_fixture)"
trap 'rm -rf "$FIXTURE" "$FIXTURE2" "$FIXTURE3" "$FIXTURE4" "$FIXTURE5" "$FIXTURE6" "$FIXTURE7"' EXIT
rm -rf "$FIXTURE6/plugins/kyberforge/skills/skill-audit"
rm -rf "$FIXTURE7/plugins/kyberforge/skills/agent-audit"
if bash "$SCRIPT" "$FIXTURE6" > /dev/null 2>&1; then
  fail "exited 0 when only agent-audit is present — expected exit 1"
else
  pass "exits non-zero when skill-audit's copy is missing but agent-audit's is present"
fi
if bash "$SCRIPT" "$FIXTURE7" > /dev/null 2>&1; then
  fail "exited 0 when only skill-audit is present — expected exit 1"
else
  pass "exits non-zero when agent-audit's canonical copy is missing but skill-audit's is present"
fi

echo ""
echo "Results: $PASS passed, $FAIL failed"
[[ $FAIL -eq 0 ]]