#!/bin/bash
# call-sonnet.sh — wrapper to call Sonnet via claude CLI
# Reads prompt from a file (arg 1), writes response to stdout
#
# Debug mode: set SONNET_DEBUG=1 for verbose tracing

set -euo pipefail

PROMPT_FILE="${1:?Usage: call-sonnet.sh PROMPT_FILE}"
DEBUG="${SONNET_DEBUG:-0}"

log() { [ "$DEBUG" = "1" ] && echo "[call-sonnet] $*" >&2 || true; }

if [ ! -f "$PROMPT_FILE" ]; then
    echo "Prompt file not found: $PROMPT_FILE" >&2
    exit 1
fi

log "prompt file: $PROMPT_FILE ($(wc -c < "$PROMPT_FILE") bytes)"
log "CLAUDECODE=${CLAUDECODE:-unset}"
log "PWD=$PWD"
log "which claude: $(which claude)"

unset CLAUDECODE 2>/dev/null || true

log "CLAUDECODE after unset: ${CLAUDECODE:-unset}"
log "running: claude -p --model sonnet --tools '' < $PROMPT_FILE"
log "claude PID will follow..."

# Trace: run with strace if available and debug mode
if [ "$DEBUG" = "2" ] && command -v strace &>/dev/null; then
    strace -f -e trace=network,read,write -o /tmp/sonnet-strace.log \
        claude -p --model sonnet --tools "" < "$PROMPT_FILE"
else
    claude -p --model sonnet --tools "" \
        --debug-file /tmp/sonnet-debug.log \
        < "$PROMPT_FILE" &
    CPID=$!
    log "claude PID: $CPID"
    wait $CPID
    EXIT=$?
    log "claude exited: $EXIT"
    exit $EXIT
fi