#!/usr/bin/env bash
# agent/methodology/scripts/start.sh —— Methodology 服务唯一启动接口
# 用法：bash scripts/start.sh [port]   （默认 8092 终态；浸泡期影子用 8001）
set -euo pipefail
AGENT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PORT="${1:-8092}"  # 终态端口
ENV_FILE="${METHODOLOGY_ENV_FILE:-$AGENT_ROOT/env/prod.env}"
LOG_FILE="${METHODOLOGY_LOG_FILE:-/tmp/plantai-agent-methodology-$PORT.log}"
PID_FILE="$AGENT_ROOT/run/methodology-$PORT.pid"
PYTHON="${METHODOLOGY_PYTHON:-$AGENT_ROOT/../venv/bin/python}"
[[ -x "$PYTHON" ]] || PYTHON="/home/xzq/5090/teamWorkspace/zh/plantai-rag-new-venv/bin/python"
BIND="${METHODOLOGY_API_HOST:-127.0.0.1}"

mkdir -p "$AGENT_ROOT/run"
[[ -x "$PYTHON" ]] || { echo "Methodology Python 不可执行: $PYTHON" >&2; exit 1; }
[[ -f "$ENV_FILE" ]] || { echo "缺少 env 文件: $ENV_FILE" >&2; exit 1; }

if [[ -f "$PID_FILE" ]] && kill -0 "$(cat "$PID_FILE")" 2>/dev/null; then
  echo "Methodology 已在运行 pid=$(cat "$PID_FILE")" >&2
  exit 1
fi

set -a
# shellcheck disable=SC1090
. "$ENV_FILE"
set +a

cd "$AGENT_ROOT"
setsid "$PYTHON" -m uvicorn scripts.methodology_server:app \
  --host "$BIND" --port "$PORT" \
  > "$LOG_FILE" 2>&1 < /dev/null &
echo $! > "$PID_FILE"
disown

for _ in $(seq 1 20); do
  if curl -sf --max-time 3 "http://127.0.0.1:$PORT/health" >/dev/null 2>&1; then
    echo "Methodology UP ($BIND:$PORT, pid=$(cat "$PID_FILE"))"
    exit 0
  fi
  sleep 2
done
echo "Methodology FAIL —— 日志尾部：" >&2
tail -30 "$LOG_FILE" >&2
exit 1