#!/usr/bin/env bash
# PostSessionStart hook: auto-start autoresearch when API budget is sufficient.
# Runs async — must exit quickly.
set -euo pipefail

CONFIG="${HOME}/.claude/autoresearch.yaml"
SESSION="autoresearch"
LOG="${HOME}/.claude/autoresearch/hook.log"

# Only run if config exists
[[ -f "$CONFIG" ]] || exit 0

# Skip if autoresearch tmux session already running
tmux has-session -t "$SESSION" 2>/dev/null && exit 0

# Read budget limit from config
BUDGET_LIMIT=$(python3 -c "
import yaml, os, sys
try:
    cfg = yaml.safe_load(open('${CONFIG}'))
    print(cfg.get('token_threshold', {}).get('api_budget_usd', 5.0))
except Exception:
    print(5.0)
" 2>/dev/null || echo "5.0")

# Check budget (exits 0 = OK, 1 = low, or fails open)
python3 "${HOME}/work/autoresearch/bin/check_budget.py" "$BUDGET_LIMIT" || exit 0

# Budget OK — start autoresearch session in background
mkdir -p "$(dirname "$LOG")"
nohup "${HOME}/work/autoresearch/bin/start.sh" start \
    >> "$LOG" 2>&1 &

exit 0