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

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"

IMAGE_NAME="openclaw-openwebui-e2e"
OPENWEBUI_IMAGE="${OPENWEBUI_IMAGE:-ghcr.io/open-webui/open-webui:v0.8.10}"
# Keep the default on a broadly available non-reasoning OpenAI model for
# Open WebUI compatibility smoke. Callers can still override this explicitly.
MODEL="${OPENCLAW_OPENWEBUI_MODEL:-openai/gpt-4.1-mini}"
PROMPT_NONCE="OPENWEBUI_DOCKER_E2E_$(date +%s)_$$"
PROMPT="${OPENCLAW_OPENWEBUI_PROMPT:-Reply with exactly this token and nothing else: ${PROMPT_NONCE}}"
PORT="${OPENCLAW_OPENWEBUI_GATEWAY_PORT:-18789}"
WEBUI_PORT="${OPENCLAW_OPENWEBUI_PORT:-8080}"
TOKEN="openwebui-e2e-$(date +%s)-$$"
ADMIN_EMAIL="${OPENCLAW_OPENWEBUI_ADMIN_EMAIL:-openwebui-e2e@example.com}"
ADMIN_PASSWORD="${OPENCLAW_OPENWEBUI_ADMIN_PASSWORD:-OpenWebUI-E2E-Password-$(date +%s)-$$}"
NET_NAME="openclaw-openwebui-e2e-$$"
GW_NAME="openclaw-openwebui-gateway-$$"
OW_NAME="openclaw-openwebui-$$"

OPENAI_API_KEY_VALUE="${OPENAI_API_KEY:-}"
if [[ "$OPENAI_API_KEY_VALUE" == "undefined" || "$OPENAI_API_KEY_VALUE" == "null" ]]; then
  OPENAI_API_KEY_VALUE=""
fi
OPENAI_BASE_URL_VALUE="${OPENAI_BASE_URL:-}"
if [[ "$OPENAI_BASE_URL_VALUE" == "undefined" || "$OPENAI_BASE_URL_VALUE" == "null" ]]; then
  OPENAI_BASE_URL_VALUE=""
fi
if [[ -z "$OPENAI_API_KEY_VALUE" ]]; then
  echo "OPENAI_API_KEY is required for the Open WebUI Docker smoke." >&2
  exit 2
fi

cleanup() {
  docker rm -f "$OW_NAME" >/dev/null 2>&1 || true
  docker rm -f "$GW_NAME" >/dev/null 2>&1 || true
  docker network rm "$NET_NAME" >/dev/null 2>&1 || true
}
trap cleanup EXIT

echo "Building Docker image..."
docker build -t "$IMAGE_NAME" -f "$ROOT_DIR/scripts/e2e/Dockerfile" "$ROOT_DIR"

echo "Pulling Open WebUI image: $OPENWEBUI_IMAGE"
docker pull "$OPENWEBUI_IMAGE" >/dev/null

echo "Creating Docker network..."
docker network create "$NET_NAME" >/dev/null

echo "Starting gateway container..."
docker run -d \
  --name "$GW_NAME" \
  --network "$NET_NAME" \
  -e "OPENCLAW_GATEWAY_TOKEN=$TOKEN" \
  -e "OPENCLAW_OPENWEBUI_MODEL=$MODEL" \
  -e OPENAI_API_KEY \
  ${OPENAI_BASE_URL_VALUE:+-e OPENAI_BASE_URL} \
  "$IMAGE_NAME" \
  bash -lc '
    set -euo pipefail
    entry=dist/index.mjs
    [ -f "$entry" ] || entry=dist/index.js

    openai_api_key="${OPENAI_API_KEY:?OPENAI_API_KEY required}"
    node - <<'"'"'NODE'"'"' "$openai_api_key"
const fs = require("node:fs");
const path = require("node:path");

const openaiApiKey = process.argv[2];
const configPath = path.join(process.env.HOME, ".openclaw", "openclaw.json");
const config = fs.existsSync(configPath)
  ? JSON.parse(fs.readFileSync(configPath, "utf8"))
  : {};
const existingOpenAI = config.models?.providers?.openai ?? {};
config.models = {
  ...(config.models || {}),
  providers: {
    ...(config.models?.providers || {}),
    openai: {
      ...existingOpenAI,
      baseUrl:
        typeof existingOpenAI.baseUrl === "string" && existingOpenAI.baseUrl.trim()
          ? existingOpenAI.baseUrl
          : process.env.OPENAI_BASE_URL || "https://api.openai.com/v1",
      apiKey: openaiApiKey,
      models: Array.isArray(existingOpenAI.models) ? existingOpenAI.models : [],
    },
  },
};
fs.mkdirSync(path.dirname(configPath), { recursive: true });
fs.writeFileSync(configPath, `${JSON.stringify(config, null, 2)}\n`, "utf8");
NODE
    node "$entry" config set gateway.controlUi.enabled false >/dev/null
    node "$entry" config set gateway.mode local >/dev/null
    node "$entry" config set gateway.bind lan >/dev/null
    node "$entry" config set gateway.auth.mode token >/dev/null
    node "$entry" config set gateway.auth.token "$OPENCLAW_GATEWAY_TOKEN" >/dev/null
    node "$entry" config set gateway.http.endpoints.chatCompletions.enabled true --strict-json >/dev/null
    node "$entry" config set agents.defaults.model.primary "$OPENCLAW_OPENWEBUI_MODEL" >/dev/null

    exec node "$entry" gateway --port '"$PORT"' --bind lan --allow-unconfigured > /tmp/openwebui-gateway.log 2>&1
  '

echo "Waiting for gateway HTTP surface..."
gateway_ready=0
for _ in $(seq 1 60); do
  if [ "$(docker inspect -f '{{.State.Running}}' "$GW_NAME" 2>/dev/null || echo false)" != "true" ]; then
    break
  fi
  if docker exec "$GW_NAME" bash -lc "node --input-type=module -e '
    const res = await fetch(\"http://127.0.0.1:$PORT/v1/models\", {
      headers: { authorization: \"Bearer $TOKEN\" },
    }).catch(() => null);
    process.exit(res?.status === 200 ? 0 : 1);
  ' >/dev/null 2>&1"; then
    gateway_ready=1
    break
  fi
  sleep 1
done

if [ "$gateway_ready" -ne 1 ]; then
  echo "Gateway failed to start"
  docker logs "$GW_NAME" 2>&1 | tail -n 200 || true
  exit 1
fi

echo "Starting Open WebUI container..."
docker run -d \
  --name "$OW_NAME" \
  --network "$NET_NAME" \
  -e ENV=prod \
  -e WEBUI_NAME="OpenClaw E2E" \
  -e WEBUI_SECRET_KEY="openclaw-openwebui-e2e-secret" \
  -e OFFLINE_MODE=True \
  -e ENABLE_VERSION_UPDATE_CHECK=False \
  -e ENABLE_PERSISTENT_CONFIG=False \
  -e ENABLE_OLLAMA_API=False \
  -e ENABLE_OPENAI_API=True \
  -e OPENAI_API_BASE_URLS="http://$GW_NAME:$PORT/v1" \
  -e OPENAI_API_KEY="$TOKEN" \
  -e OPENAI_API_KEYS="$TOKEN" \
  -e RAG_EMBEDDING_MODEL_AUTO_UPDATE=False \
  -e RAG_RERANKING_MODEL_AUTO_UPDATE=False \
  -e WEBUI_ADMIN_EMAIL="$ADMIN_EMAIL" \
  -e WEBUI_ADMIN_PASSWORD="$ADMIN_PASSWORD" \
  -e WEBUI_ADMIN_NAME="OpenClaw E2E" \
  -e ENABLE_SIGNUP=False \
  -e DEFAULT_MODELS="openclaw/default" \
  "$OPENWEBUI_IMAGE" >/dev/null

echo "Waiting for Open WebUI..."
ow_ready=0
for _ in $(seq 1 90); do
  if [ "$(docker inspect -f '{{.State.Running}}' "$OW_NAME" 2>/dev/null || echo false)" != "true" ]; then
    break
  fi
  if docker exec "$GW_NAME" bash -lc "node --input-type=module -e '
    const res = await fetch(\"http://$OW_NAME:$WEBUI_PORT/\").catch(() => null);
    process.exit(res && res.status < 500 ? 0 : 1);
  ' >/dev/null 2>&1"; then
    ow_ready=1
    break
  fi
  sleep 1
done

if [ "$ow_ready" -ne 1 ]; then
  echo "Open WebUI failed to start"
  docker logs "$OW_NAME" 2>&1 | tail -n 200 || true
  exit 1
fi

echo "Running Open WebUI -> OpenClaw smoke..."
if ! docker exec \
  -e "OPENWEBUI_BASE_URL=http://$OW_NAME:$WEBUI_PORT" \
  -e "OPENWEBUI_ADMIN_EMAIL=$ADMIN_EMAIL" \
  -e "OPENWEBUI_ADMIN_PASSWORD=$ADMIN_PASSWORD" \
  -e "OPENWEBUI_EXPECTED_NONCE=$PROMPT_NONCE" \
  -e "OPENWEBUI_PROMPT=$PROMPT" \
  "$GW_NAME" \
  node /app/scripts/e2e/openwebui-probe.mjs; then
  echo "Open WebUI probe failed; gateway log tail:"
  docker exec "$GW_NAME" bash -lc 'tail -n 200 /tmp/openwebui-gateway.log' || true
  echo "Open WebUI container logs:"
  docker logs "$OW_NAME" 2>&1 | tail -n 200 || true
  exit 1
fi

echo "Open WebUI container logs:"
docker logs "$OW_NAME" 2>&1 | tail -n 80 || true

echo "OK"