#!/bin/sh
# dns-cli validation script.
# Runs a live read-only cycle against the configured Technitium instance.
#
# Usage:  ./validate.sh
# Exit codes: 0 = all checks passed, 1 = one or more checks failed
set -eu

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$SCRIPT_DIR"

ENV_FILE="${TECHNITIUM_ENV_FILE:-$HOME/.creds/technitium.env}"

if [ ! -f "$ENV_FILE" ]; then
    echo "FAIL: env file not found: $ENV_FILE"
    echo "      Set TECHNITIUM_ENV_FILE or create it in ~/.creds/technitium.env"
    exit 1
fi

IMAGE="${DNS_CLI_IMAGE:-git.knownelement.com/reachableceo/dns-cli:latest}"
PASS=0
FAIL=0
TOTAL=0

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

echo "============================================"
echo "  dns-cli validation"
echo "  image: ${IMAGE}"
echo "============================================"
echo ""

# ---------------------------------------------------------------- #
# 1. zones (live read)
# ---------------------------------------------------------------- #
echo "--- [1] zones ---"
OUT=$(docker run --rm --env-file "$ENV_FILE" "${IMAGE}" zones 2>&1) || true
if echo "$OUT" | grep -qE '\.'; then
    ok "zones returned data"
    echo "$OUT" | head -5
else
    fail "zones did not return expected output"
    echo "  $OUT" | head -5
fi
echo ""

# ---------------------------------------------------------------- #
# 2. list (live read)
# ---------------------------------------------------------------- #
echo "--- [2] list ---"
OUT=$(docker run --rm --env-file "$ENV_FILE" "${IMAGE}" list 2>&1) || true
if echo "$OUT" | grep -qE 'A\s'; then
    ok "list returned records"
    echo "$OUT" | head -5
else
    fail "list did not return expected output"
    echo "  $OUT" | head -5
fi
echo ""

# ---------------------------------------------------------------- #
# 3. search (live read)
# ---------------------------------------------------------------- #
echo "--- [3] search ---"
OUT=$(docker run --rm --env-file "$ENV_FILE" "${IMAGE}" search "ns" 2>&1) || true
if [ -n "$OUT" ]; then
    ok "search returned results"
    echo "$OUT" | head -3
else
    fail "search returned no results"
fi
echo ""

# ---------------------------------------------------------------- #
# Results
# ---------------------------------------------------------------- #
echo "============================================"
echo "  RESULTS: ${PASS}/${TOTAL} passed, ${FAIL} failed"
echo "============================================"
[ "$FAIL" -eq 0 ]