#!/bin/bash
set -e

# Source common functions - try local file first, fall back to remote
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" 2>/dev/null && pwd)"
if [[ -f "$SCRIPT_DIR/lib/common.sh" ]]; then
    source "$SCRIPT_DIR/lib/common.sh"
else
    eval "$(curl -fsSL https://raw.githubusercontent.com/OpenRouterTeam/spawn/main/lambda/lib/common.sh)"
fi

log_info "OpenClaw on Lambda Cloud"
echo ""

# 1. Ensure Lambda API key is configured
ensure_lambda_token

# 2. Generate + register SSH key
ensure_ssh_key

# 3. Get instance name and create server
SERVER_NAME=$(get_server_name)
create_server "$SERVER_NAME"

# 4. Wait for SSH and cloud-init
verify_server_connectivity "$LAMBDA_SERVER_IP"
wait_for_cloud_init "$LAMBDA_SERVER_IP"

# 5. Install openclaw via bun
log_warn "Installing openclaw..."
run_server "$LAMBDA_SERVER_IP" "source ~/.bashrc && bun install -g openclaw"
log_info "OpenClaw installed"

# 6. Get OpenRouter API key
echo ""
if [[ -n "${OPENROUTER_API_KEY:-}" ]]; then
    log_info "Using OpenRouter API key from environment"
else
    OPENROUTER_API_KEY=$(get_openrouter_api_key_oauth 5180)
fi

# 7. Get model preference
echo ""
log_warn "Browse models at: https://openrouter.ai/models"
log_warn "Which model would you like to use?"
MODEL_ID=$(safe_read "Enter model ID [openrouter/auto]: ") || MODEL_ID=""
MODEL_ID="${MODEL_ID:-openrouter/auto}"

# 8. Inject environment variables into ~/.zshrc
log_warn "Setting up environment variables..."

ENV_TEMP=$(mktemp)
cat > "$ENV_TEMP" << EOF

# [spawn:env]
export OPENROUTER_API_KEY="${OPENROUTER_API_KEY}"
export ANTHROPIC_API_KEY="${OPENROUTER_API_KEY}"
export ANTHROPIC_BASE_URL="https://openrouter.ai/api"
EOF

upload_file "$LAMBDA_SERVER_IP" "$ENV_TEMP" "/tmp/env_config"
run_server "$LAMBDA_SERVER_IP" "cat /tmp/env_config >> ~/.zshrc && rm /tmp/env_config"
rm "$ENV_TEMP"

# 9. Configure openclaw
log_warn "Configuring openclaw..."

run_server "$LAMBDA_SERVER_IP" "rm -rf ~/.openclaw && mkdir -p ~/.openclaw"

# Generate a random gateway token
GATEWAY_TOKEN=$(openssl rand -hex 16)

OPENCLAW_CONFIG_TEMP=$(mktemp)
cat > "$OPENCLAW_CONFIG_TEMP" << EOF
{
  "env": {
    "OPENROUTER_API_KEY": "${OPENROUTER_API_KEY}"
  },
  "gateway": {
    "mode": "local",
    "auth": {
      "token": "${GATEWAY_TOKEN}"
    }
  },
  "agents": {
    "defaults": {
      "model": {
        "primary": "openrouter/${MODEL_ID}"
      }
    }
  }
}
EOF

upload_file "$LAMBDA_SERVER_IP" "$OPENCLAW_CONFIG_TEMP" "/home/ubuntu/.openclaw/openclaw.json"
rm "$OPENCLAW_CONFIG_TEMP"

echo ""
log_info "Lambda Cloud instance setup completed successfully!"
log_info "Instance: $SERVER_NAME (IP: $LAMBDA_SERVER_IP)"
echo ""

# 10. Start openclaw gateway in background and launch TUI
log_warn "Starting openclaw..."
run_server "$LAMBDA_SERVER_IP" "source ~/.zshrc && nohup openclaw gateway > /tmp/openclaw-gateway.log 2>&1 &"
sleep 2
interactive_session "$LAMBDA_SERVER_IP" "source ~/.zshrc && openclaw tui"