#!/usr/bin/env bash
# ============================================================================
# BLACKROAD OS, INC. - PROPRIETARY AND CONFIDENTIAL
# Copyright (c) 2025-2026 BlackRoad OS, Inc. All Rights Reserved.
# ============================================================================
# ask - Universal sovereign AI query
# Zero tokenization. Routes to best available local Pi.
#
# Usage:
#   ask "how do I list docker containers"
#   ask                    # Interactive mode
#   ask --fleet            # Show fleet AI status
#   ask --node cecilia     # Force specific node
set -eo pipefail

# Source centralized config
source "$HOME/.blackroad/config/nodes.sh" 2>/dev/null || {
  echo "ERROR: Missing ~/.blackroad/config/nodes.sh" >&2; exit 1
}

MODEL="${BR_MODEL:-llama3.2}"
TIMEOUT=60

# Ollama nodes in priority order (fastest/most capable first)
OLLAMA_NODES=(cecilia lucidia alice)

# Find first available Ollama node
find_node() {
  for node in "${OLLAMA_NODES[@]}"; do
    local ip="${NODE_IP[$node]:-}"
    [[ -z "$ip" ]] && continue
    if curl -sf --connect-timeout 2 "http://${ip}:11434/api/tags" &>/dev/null; then
      echo "$node"
      return 0
    fi
  done
  return 1
}

# Query a node's Ollama
query_node() {
  local node="$1"
  local prompt="$2"
  local ip="${NODE_IP[$node]}"

  curl -sf --max-time "$TIMEOUT" "http://${ip}:11434/api/generate" \
    -d "{\"model\":\"$MODEL\",\"prompt\":$(printf '%s' "$prompt" | jq -Rs .),\"stream\":false}" 2>/dev/null | \
    jq -r '.response // empty' 2>/dev/null
}

# Show fleet AI status
fleet_status() {
  printf '%b%-12s %-16s %-8s %s%b\n' "$BLUE" "NODE" "IP" "OLLAMA" "MODELS" "$RESET"
  for node in "${OLLAMA_NODES[@]}"; do
    local ip="${NODE_IP[$node]:-}"
    [[ -z "$ip" ]] && continue
    printf '%-12s %-16s ' "$node" "$ip"
    local tags
    tags=$(curl -sf --connect-timeout 2 "http://${ip}:11434/api/tags" 2>/dev/null)
    if [[ -n "$tags" ]]; then
      local count
      count=$(echo "$tags" | jq '.models | length' 2>/dev/null || echo "?")
      printf '%b%-8s%b %s models\n' "$GREEN" "UP" "$RESET" "$count"
    else
      printf '%b%-8s%b\n' "$RED" "DOWN" "$RESET"
    fi
  done
}

# Interactive mode
interactive() {
  local node="$1"
  printf '%bask%b → %s (%s) [model: %s]\n' "$PINK" "$RESET" "$node" "${NODE_IP[$node]}" "$MODEL"
  printf 'Type your question (Ctrl+D to exit):\n\n'
  while printf '%b> %b' "$AMBER" "$RESET" && read -r line; do
    [[ -z "$line" ]] && continue
    local response
    response=$(query_node "$node" "$line")
    if [[ -n "$response" ]]; then
      echo "$response"
    else
      printf '%bNo response from %s%b\n' "$RED" "$node" "$RESET"
    fi
    echo
  done
}

# Parse args
TARGET_NODE=""
while [[ $# -gt 0 ]]; do
  case "$1" in
    --fleet) fleet_status; exit 0 ;;
    --node)  TARGET_NODE="$2"; shift 2 ;;
    --model) MODEL="$2"; shift 2 ;;
    -h|--help)
      echo "ask - Universal sovereign AI query"
      echo ""
      echo "Usage:"
      echo "  ask \"question\"         Query best available node"
      echo "  ask                    Interactive mode"
      echo "  ask --fleet            Show fleet AI status"
      echo "  ask --node cecilia     Force specific node"
      echo "  ask --model mistral    Use specific model"
      exit 0 ;;
    *) break ;;
  esac
done

# Find target node
if [[ -n "$TARGET_NODE" ]]; then
  node="$TARGET_NODE"
else
  node=$(find_node) || {
    printf '%bNo Ollama nodes available. Fleet status:%b\n' "$RED" "$RESET"
    fleet_status
    exit 1
  }
fi

# Single query or interactive
if [[ $# -gt 0 ]]; then
  prompt="$*"
  printf '%bask%b → %s\n' "$PINK" "$RESET" "$node"
  response=$(query_node "$node" "$prompt")
  if [[ -n "$response" ]]; then
    echo "$response"
  else
    printf '%bNo response from %s (model: %s)%b\n' "$RED" "$node" "$MODEL" "$RESET"
    exit 1
  fi
else
  interactive "$node"
fi