#!/bin/bash
# test-plugin-discovery.sh — Smoke test for auto-discovery chain
# Validates that plugin.json, hooks.json, and script references are consistent
# Usage: bash tests/test-plugin-discovery.sh

set -euo pipefail

PLUGIN_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
PASS=0
FAIL=0

pass() { echo -e "\033[0;32m  ✓ $1\033[0m"; PASS=$((PASS + 1)); }
fail() { echo -e "\033[0;31m  ✗ $1\033[0m"; FAIL=$((FAIL + 1)); }

echo "=== Plugin Discovery Smoke Test ==="
echo ""

# -------------------------------------------------------
# Check 1: plugin.json
# -------------------------------------------------------
echo "--- Check 1: plugin.json ---"

PLUGIN_JSON="$PLUGIN_ROOT/.claude-plugin/plugin.json"

if [ -f "$PLUGIN_JSON" ]; then
  pass "plugin.json exists"
else
  fail "plugin.json missing at .claude-plugin/plugin.json"
fi

if grep -q '"auto_discover": true' "$PLUGIN_JSON" 2>/dev/null || grep -q '"auto_discover":true' "$PLUGIN_JSON" 2>/dev/null; then
  pass "auto_discover: true"
else
  fail "auto_discover is not true"
fi

# plugin.json must NOT have a "hooks" key
if grep -q '"hooks"' "$PLUGIN_JSON" 2>/dev/null; then
  fail "plugin.json contains 'hooks' key (should be in hooks/hooks.json only)"
else
  pass "plugin.json does not contain 'hooks' key"
fi

echo ""

# -------------------------------------------------------
# Check 2: hooks.json
# -------------------------------------------------------
echo "--- Check 2: hooks.json ---"

HOOKS_JSON="$PLUGIN_ROOT/hooks/hooks.json"

if [ -f "$HOOKS_JSON" ]; then
  pass "hooks.json exists"
else
  fail "hooks.json missing at hooks/hooks.json"
fi

if node -e "JSON.parse(require('fs').readFileSync('$HOOKS_JSON', 'utf-8'))" 2>/dev/null; then
  pass "hooks.json is valid JSON"
else
  fail "hooks.json is invalid JSON"
fi

# Check structure: hooks key is an object
if node -e "
  const h = JSON.parse(require('fs').readFileSync('$HOOKS_JSON', 'utf-8'));
  if (!h.hooks || typeof h.hooks !== 'object') process.exit(1);
" 2>/dev/null; then
  pass "hooks.json has 'hooks' object at root"
else
  fail "hooks.json missing root 'hooks' object"
fi

echo ""

# -------------------------------------------------------
# Check 3: Script references
# -------------------------------------------------------
echo "--- Check 3: Script References ---"

# Extract script paths from hooks.json
SCRIPT_PATHS=$(node -e "
  const h = JSON.parse(require('fs').readFileSync('$HOOKS_JSON', 'utf-8'));
  for (const [event, handlers] of Object.entries(h.hooks)) {
    for (const handler of handlers) {
      for (const hook of (handler.hooks || [])) {
        if (hook.command) {
          const match = hook.command.match(/\\\$\\{CLAUDE_PLUGIN_ROOT\\}\\/(.+)/);
          if (match) console.log(match[1]);
        }
      }
    }
  }
" 2>/dev/null)

for script_path in $SCRIPT_PATHS; do
  full_path="$PLUGIN_ROOT/$script_path"
  if [ -f "$full_path" ]; then
    pass "Script exists: $script_path"
  else
    fail "Script missing: $script_path"
  fi
done

echo ""

# -------------------------------------------------------
# Check 4: Event names
# -------------------------------------------------------
echo "--- Check 4: Event Names ---"

VALID_EVENTS="SessionStart UserPromptSubmit PreToolUse PostToolUse Stop"

HOOK_EVENTS=$(node -e "
  const h = JSON.parse(require('fs').readFileSync('$HOOKS_JSON', 'utf-8'));
  for (const event of Object.keys(h.hooks)) console.log(event);
" 2>/dev/null)

for event in $HOOK_EVENTS; do
  if echo "$VALID_EVENTS" | grep -qw "$event"; then
    pass "Valid event: $event"
  else
    fail "Invalid event: $event"
  fi
done

echo ""

# -------------------------------------------------------
# Check 5: Documentation
# -------------------------------------------------------
echo "--- Check 5: Documentation ---"

CLAUDE_MD="$PLUGIN_ROOT/CLAUDE.md"

if grep -q "## Hooks" "$CLAUDE_MD" 2>/dev/null; then
  pass "CLAUDE.md has Hooks section"
else
  fail "CLAUDE.md missing Hooks section"
fi

for script in pre-edit-secrets session-start-context stop-assessment-reminder; do
  if grep -q "$script" "$CLAUDE_MD" 2>/dev/null; then
    pass "CLAUDE.md documents $script"
  else
    fail "CLAUDE.md missing $script documentation"
  fi
done

echo ""

# -------------------------------------------------------
# Summary
# -------------------------------------------------------
TOTAL=$((PASS + FAIL))
echo "=== Results: $PASS/$TOTAL passed, $FAIL failed ==="

if [ "$FAIL" -gt 0 ]; then
  exit 1
fi