#!/usr/bin/env bash
# validate-model.sh — Validate that a model ID exists in the LLM proxy
# Usage: validate-model.sh <model-id>
# Exit 0 if valid, 1 if not found
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

if [[ $# -lt 1 ]]; then
  echo "Usage: validate-model.sh <model-id>" >&2
  echo "Example: validate-model.sh nanogpt/deepseek-chat" >&2
  exit 1
fi

MODEL_ID="$1"

# Strip llm-proxy/ prefix if present (user might pass the openclaw.json format)
MODEL_ID="${MODEL_ID#llm-proxy/}"

# Get the live model list
available=$("$SCRIPT_DIR/list-models.sh" 2>/dev/null) || {
  echo "ERROR: Could not fetch model list from LLM proxy" >&2
  exit 1
}

if echo "$available" | grep -qxF "$MODEL_ID"; then
  echo "✅ Model '$MODEL_ID' is available"
  exit 0
else
  echo "❌ Model '$MODEL_ID' NOT found in /v1/models" >&2
  # Suggest close matches
  partial=$(echo "$available" | grep -i "$(echo "$MODEL_ID" | sed 's|.*/||')" | head -5)
  if [[ -n "$partial" ]]; then
    echo "" >&2
    echo "Did you mean one of these?" >&2
    echo "$partial" | sed 's/^/  /' >&2
  fi
  exit 1
fi