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

SCRIPTS_DIR="$(cd "$(dirname "$0")/../scripts" && pwd)"
PASS=0; FAIL=0
# Use += to avoid ((var++)) returning 0 exit code when var was 0 under set -e

# ── helpers ─────────────────────────────────────────────────────────────────

tmpdir() { mktemp -d; }

assert_contains() {
  local label="$1" expected="$2" actual="$3"
  if echo "$actual" | grep -qF "$expected"; then
    echo "  PASS: $label"
    PASS=$((PASS+1))
  else
    echo "  FAIL: $label"
    echo "        expected to contain: $expected"
    echo "        got: $(echo "$actual" | head -5)"
    FAIL=$((FAIL+1))
  fi
}

assert_not_contains() {
  local label="$1" unexpected="$2" actual="$3"
  if echo "$actual" | grep -qF "$unexpected"; then
    echo "  FAIL: $label"
    echo "        expected NOT to contain: $unexpected"
    FAIL=$((FAIL+1))
  else
    echo "  PASS: $label"
    PASS=$((PASS+1))
  fi
}

assert_exit() {
  local label="$1" expected="$2" actual="$3"
  if [[ "$actual" -eq "$expected" ]]; then
    echo "  PASS: $label"
    PASS=$((PASS+1))
  else
    echo "  FAIL: $label"
    echo "        expected exit $expected, got $actual"
    FAIL=$((FAIL+1))
  fi
}

assert_file_exists() {
  local label="$1" path="$2"
  if [[ -f "$path" ]]; then
    echo "  PASS: $label"
    PASS=$((PASS+1))
  else
    echo "  FAIL: $label"
    echo "        file not found: $path"
    FAIL=$((FAIL+1))
  fi
}

assert_file_absent() {
  local label="$1" path="$2"
  if [[ ! -e "$path" ]]; then
    echo "  PASS: $label"
    PASS=$((PASS+1))
  else
    echo "  FAIL: $label"
    echo "        file should not exist: $path"
    FAIL=$((FAIL+1))
  fi
}

# ── inventory.sh tests ───────────────────────────────────────────────────────

echo "=== inventory.sh ==="

# 1. SKILL.md classified as skill
t=$(tmpdir)
mkdir -p "$t/skills/my-skill"
echo "---" > "$t/skills/my-skill/SKILL.md"
out=$("$SCRIPTS_DIR/inventory.sh" "$t")
assert_contains "SKILL.md classified as skill" "skill" "$out"
rm -rf "$t"

# 2. agents/foo.agent.md classified as agent-copilot
t=$(tmpdir)
mkdir -p "$t/agents"
touch "$t/agents/my-agent.agent.md"
out=$("$SCRIPTS_DIR/inventory.sh" "$t")
assert_contains "agents/*.agent.md classified as agent-copilot" "agent-copilot" "$out"
rm -rf "$t"

# 3. ../ in file content produces cross-reference warning
t=$(tmpdir)
mkdir -p "$t/skills/my-skill"
printf -- '---\ndescription: test\n---\nSee ../shared/file.md\n' > "$t/skills/my-skill/SKILL.md"
out=$("$SCRIPTS_DIR/inventory.sh" "$t")
assert_contains "../ cross-reference warning emitted" "Cross-reference" "$out"
assert_contains "../ path shown in warning" "../shared/file.md" "$out"
rm -rf "$t"

# ── gen_manifests.sh tests ───────────────────────────────────────────────────

echo ""
echo "=== gen_manifests.sh ==="

# 4. Without --write, no files are created
t=$(tmpdir)
mkdir -p "$t/plugins/my-plugin/skills/hello"
echo "---" > "$t/plugins/my-plugin/skills/hello/SKILL.md"
"$SCRIPTS_DIR/gen_manifests.sh" "$t" --marketplace-name my-marketplace >/dev/null
assert_file_absent "dry run: .claude-plugin/marketplace.json not written" "$t/.claude-plugin/marketplace.json"
assert_file_absent "dry run: plugin.json not written" "$t/plugins/my-plugin/plugin.json"
rm -rf "$t"

# 5. With --write, creates plugin.json in both locations
t=$(tmpdir)
mkdir -p "$t/plugins/my-plugin/skills/hello"
echo "---" > "$t/plugins/my-plugin/skills/hello/SKILL.md"
"$SCRIPTS_DIR/gen_manifests.sh" "$t" --marketplace-name my-marketplace --write >/dev/null
assert_file_exists "--write: plugin root plugin.json created" "$t/plugins/my-plugin/plugin.json"
assert_file_exists "--write: .claude-plugin/plugin.json created" "$t/plugins/my-plugin/.claude-plugin/plugin.json"
rm -rf "$t"

# 6. Reserved name exits 1
t=$(tmpdir)
mkdir -p "$t/plugins/my-plugin"
set +e
out=$("$SCRIPTS_DIR/gen_manifests.sh" "$t" --marketplace-name claude-plugins-official 2>&1)
code=$?
set -e
assert_exit "reserved name: exit 1" 1 "$code"
assert_contains "reserved name: error message" "reserved" "$out"
rm -rf "$t"

# ── validate.sh tests ────────────────────────────────────────────────────────

echo ""
echo "=== validate.sh ==="

# 7. Invalid JSON exits 1
t=$(tmpdir)
mkdir -p "$t/.claude-plugin"
echo "not json" > "$t/.claude-plugin/marketplace.json"
set +e
out=$("$SCRIPTS_DIR/validate.sh" "$t" 2>&1)
code=$?
set -e
assert_exit "invalid JSON: exit 1" 1 "$code"
assert_contains "invalid JSON: error message" "ERROR" "$out"
rm -rf "$t"

# 8. Reserved marketplace name exits 1
t=$(tmpdir)
mkdir -p "$t/.claude-plugin"
printf '{"name":"claude-plugins-official","plugins":[]}\n' > "$t/.claude-plugin/marketplace.json"
set +e
out=$("$SCRIPTS_DIR/validate.sh" "$t" 2>&1)
code=$?
set -e
assert_exit "reserved marketplace name: exit 1" 1 "$code"
assert_contains "reserved marketplace name: error message" "reserved" "$out"
rm -rf "$t"

# 9. ../ in plugin file exits 1
t=$(tmpdir)
mkdir -p "$t/.claude-plugin" "$t/plugins/my-plugin/skills/hello"
printf '{"name":"my-marketplace","plugins":[{"name":"my-plugin","source":"./plugins/my-plugin"}]}\n' \
  > "$t/.claude-plugin/marketplace.json"
printf -- '---\ndescription: test\n---\nSee ../shared.md\n' \
  > "$t/plugins/my-plugin/skills/hello/SKILL.md"
set +e
out=$("$SCRIPTS_DIR/validate.sh" "$t" 2>&1)
code=$?
set -e
assert_exit "..// in plugin: exit 1" 1 "$code"
assert_contains "..// in plugin: error message" "../" "$out"
rm -rf "$t"

# 10. No marketplace.json warns but exits 0
t=$(tmpdir)
set +e
out=$("$SCRIPTS_DIR/validate.sh" "$t" 2>&1)
code=$?
set -e
assert_exit "no marketplace.json: exit 0" 0 "$code"
assert_contains "no marketplace.json: warning emitted" "WARN" "$out"
rm -rf "$t"

# ── summary ──────────────────────────────────────────────────────────────────

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