run.sh

#!/bin/bash
# ──────────────────────────────────────
# OpenHer Backend · Quick Start
# Usage: ./run.sh          (foreground, see logs)
#        ./run.sh --bg     (background, logs → .data/server.log)
#        PORT=9000 ./run.sh (custom port)
# ──────────────────────────────────────

set -e
cd "$(dirname "$0")"

PORT=${PORT:-8000}
LOG_FILE=".data/server.log"

# Activate venv (with path validation)
if [ -d ".venv" ]; then
    # Check if venv python shebang points to a valid interpreter
    VENV_PYTHON=".venv/bin/python"
    if [ -f "$VENV_PYTHON" ]; then
        SHEBANG_PATH=$(head -1 "$VENV_PYTHON" | sed 's/^#!//')
        if [ ! -x "$SHEBANG_PATH" ]; then
            echo "⚠️  虚拟环境路径已失效（项目被移动过？）"
            echo "   尝试修复..."
            if python3 -m venv --upgrade .venv 2>/dev/null; then
                echo "✅ 虚拟环境已修复 (upgrade)"
            else
                echo "♻️  修复失败，正在重建虚拟环境..."
                rm -rf .venv
                python3 -m venv .venv
                source .venv/bin/activate
                pip install -r requirements.txt -q
                echo "✅ 虚拟环境已重建"
            fi
        fi
    fi
    source .venv/bin/activate
fi

# Kill existing process on the port
PID=$(lsof -ti:$PORT 2>/dev/null || true)
if [ -n "$PID" ]; then
    kill $PID 2>/dev/null
    echo "♻️  Killed process $PID on port $PORT"
    sleep 1
fi

if [ "$1" = "--bg" ]; then
    mkdir -p "$(dirname "$LOG_FILE")"
    echo "🚀 Starting OpenHer backend on port $PORT (background)"
    echo "   Logs → $LOG_FILE"
    echo "   Stop → kill \$(lsof -ti:$PORT)"
    nohup uvicorn main:app --host 0.0.0.0 --port $PORT > "$LOG_FILE" 2>&1 &
    sleep 2
    if lsof -ti:$PORT > /dev/null 2>&1; then
        echo "✅ Backend running (PID $!)"
    else
        echo "❌ Failed to start, check $LOG_FILE"
        exit 1
    fi
else
    echo "🚀 Starting OpenHer backend on port $PORT..."
    echo "   Press Ctrl+C to stop"
    echo ""
    uvicorn main:app --host 0.0.0.0 --port $PORT
fi