#!/usr/bin/env bash
# summarize — Linux wrapper that delegates to Gemini CLI
# Mimics: summarize <url-or-file> [--length short|medium|long] [--youtube auto]
#
# The upstream steipete/summarize binary is macOS-only.
# This wrapper uses the Gemini CLI (g) to summarize URLs, files, and YouTube links.

set -euo pipefail

if [[ $# -eq 0 ]]; then
  echo "Usage: summarize <url-or-file> [--length short|medium|long|xl] [--youtube auto]" >&2
  exit 1
fi

TARGET=""
LENGTH="medium"
EXTRA_FLAGS=()

while [[ $# -gt 0 ]]; do
  case "$1" in
    --length)
      LENGTH="$2"; shift 2 ;;
    --youtube|--model|--max-output-tokens|--firecrawl)
      shift 2 ;;  # accepted but ignored — gemini handles format detection
    --extract-only|--json|--no-input)
      EXTRA_FLAGS+=("$1"); shift ;;
    -*)
      shift ;;  # ignore unknown flags
    *)
      TARGET="$1"; shift ;;
  esac
done

if [[ -z "$TARGET" ]]; then
  echo "Error: no URL or file provided" >&2
  exit 1
fi

case "$LENGTH" in
  short)  INSTRUCTION="in 2-3 sentences" ;;
  long)   INSTRUCTION="in detail, covering all main points" ;;
  xl|xxl) INSTRUCTION="comprehensively, with structure and sections" ;;
  *)      INSTRUCTION="in a clear medium-length summary" ;;
esac

# Detect if it's a file or URL
if [[ -f "$TARGET" ]]; then
  PROMPT="Please summarize the following file $INSTRUCTION. File: $TARGET"
  gemini -p "$PROMPT" < "$TARGET"
else
  gemini -p "Please summarize the content at this URL $INSTRUCTION: $TARGET"
fi