#!/bin/bash
set -euo pipefail

IMAGE="$1"
CONTAINER_NAME="test-$(echo "$IMAGE" | tr ':/' '-')-$$"
DB_CONTAINER="ttrss-db-$$"
TMPDIR="$(mktemp -d)"
SOCKET_DIR="$TMPDIR/pg-socket"
mkdir -p "$SOCKET_DIR"
trap 'docker rm -f "$CONTAINER_NAME" 2>/dev/null; docker rm -f "$DB_CONTAINER" 2>/dev/null; rm -rf "$TMPDIR"' EXIT

DOCKER_GW=$(docker network inspect bridge --format '{{range .IPAM.Config}}{{.Gateway}}{{end}}')
BASE_URL="http://${DOCKER_GW}:8080"
FAILED=0
PASSED=0

assert_eq() {
  local desc="$1" expected="$2" actual="$3"
  if [ "$expected" = "$actual" ]; then
    echo "PASS: $desc"
    PASSED=$((PASSED + 1))
  else
    echo "FAIL: $desc (expected '$expected', got '$actual')"
    FAILED=$((FAILED + 1))
  fi
}

assert_contains() {
  local desc="$1" pattern="$2" file="$3"
  if grep -qEi "$pattern" "$file"; then
    echo "PASS: $desc"
    PASSED=$((PASSED + 1))
  else
    echo "FAIL: $desc"
    FAILED=$((FAILED + 1))
  fi
}

echo "Starting PostgreSQL..."
docker pull postgres:16-alpine > /dev/null 2>&1
docker run -d --name "$DB_CONTAINER" \
  -v "$SOCKET_DIR:/var/run/postgresql" \
  -e POSTGRES_DB=ttrss -e POSTGRES_USER=ttrss -e POSTGRES_PASSWORD=ttrss \
  postgres:16-alpine

echo "Waiting for PostgreSQL to be ready..."
for i in $(seq 1 30); do
  if docker exec "$DB_CONTAINER" pg_isready -U ttrss -d ttrss 2>/dev/null; then
    echo "PostgreSQL ready (attempt $i)"
    break
  fi
  sleep 2
done

echo "Starting TTRSS..."
docker run -d --name "$CONTAINER_NAME" \
  -v "$SOCKET_DIR:/run/postgresql" \
  --link "$DB_CONTAINER:db" -p 8080:8080 "$IMAGE"

echo "Waiting for TTRSS to be ready..."
READY=false
for i in $(seq 1 60); do
  if curl -s -o /dev/null "$BASE_URL/"; then
    echo "TTRSS ready (attempt $i)"
    READY=true
    break
  fi
  sleep 3
done

if [ "$READY" = false ]; then
  echo "Container did not become ready within 3 minutes"
  echo "=== Container logs ==="
  docker logs "$CONTAINER_NAME" 2>&1 || true
  exit 1
fi

echo "Updating TT-RSS database schema..."
echo yes | docker exec -i -u www-data "$CONTAINER_NAME" php /var/www/ttrss/update.php --update-schema 2>&1 || true
sleep 2

# Test 1: HTTP status
STATUS=$(curl -s -o "$TMPDIR/body" -w '%{http_code}' "$BASE_URL/")
echo "HTTP status: $STATUS"
assert_eq "HTTP 200" "200" "$STATUS"

# Test 2: Content-Type contains text/html
curl -s -o /dev/null -D "$TMPDIR/headers" "$BASE_URL/"
assert_contains "Content-Type text/html" "text/html" "$TMPDIR/headers"

# Test 3: Body contains HTML
assert_contains "Body is HTML" "<html|DOCTYPE" "$TMPDIR/body"

echo ""
echo "$PASSED/$(($PASSED + $FAILED)) tests passed"
if [ "$FAILED" -gt 0 ]; then
  exit 1
fi