#!/bin/bash

API_DIR="$(cd "$(dirname "$0")/.." && pwd)/everything-is-suitable-api/everything-is-suitable-app"
PID_FILE="/tmp/api-service.pid"
LOG_FILE="/tmp/api-service.log"
PORT=${API_PORT:-8080}
PROFILE=${API_PROFILE:-test}

start_api() {
    if [ -f "$PID_FILE" ]; then
        PID=$(cat "$PID_FILE")
        if ps -p "$PID" > /dev/null 2>&1; then
            echo "API 服务已在运行中 (PID: $PID)"
            return 0
        fi
    fi

    echo "正在启动 API 服务 (profile: $PROFILE, port: $PORT)..."
    cd "$API_DIR"
    
    nohup mvn spring-boot:run \
        -Dspring-boot.run.profiles="$PROFILE" \
        -Dspring-boot.run.arguments="--server.port=$PORT" \
        > "$LOG_FILE" 2>&1 &
    
    echo $! > "$PID_FILE"
    PID=$(cat "$PID_FILE")
    
    echo "等待服务启动..."
    MAX_WAIT=120
    WAITED=0
    while [ $WAITED -lt $MAX_WAIT ]; do
        if curl -s "http://localhost:$PORT/actuator/health" > /dev/null 2>&1; then
            echo "✅ API 服务已成功启动 (PID: $PID, Port: $PORT)"
            echo "日志文件: $LOG_FILE"
            return 0
        fi
        sleep 2
        WAITED=$((WAITED + 2))
        printf "\r等待中... %d秒 " $WAITED
    done
    
    echo ""
    echo "❌ API 服务启动超时"
    echo "查看日志: tail -100 $LOG_FILE"
    stop_api
    return 1
}

stop_api() {
    if [ -f "$PID_FILE" ]; then
        PID=$(cat "$PID_FILE")
        if ps -p "$PID" > /dev/null 2>&1; then
            echo "正在停止 API 服务 (PID: $PID)..."
            kill "$PID" 2>/dev/null
            sleep 2
            if ps -p "$PID" > /dev/null 2>&1; then
                kill -9 "$PID" 2>/dev/null
            fi
            rm -f "$PID_FILE"
            echo "✅ API 服务已停止"
        else
            echo "API 服务未运行"
            rm -f "$PID_FILE"
        fi
    else
        echo "未找到 PID 文件，API 服务可能未运行"
    fi
}

status_api() {
    if [ -f "$PID_FILE" ]; then
        PID=$(cat "$PID_FILE")
        if ps -p "$PID" > /dev/null 2>&1; then
            echo "API 服务运行中 (PID: $PID, Port: $PORT)"
            echo "健康检查:"
            curl -s "http://localhost:$PORT/actuator/health" | jq . 2>/dev/null || \
                curl -s "http://localhost:$PORT/actuator/health"
            return 0
        fi
    fi
    echo "API 服务未运行"
    return 1
}

logs_api() {
    if [ -f "$LOG_FILE" ]; then
        echo "显示最近100行日志 (Ctrl+C 退出):"
        tail -100 -f "$LOG_FILE"
    else
        echo "日志文件不存在: $LOG_FILE"
    fi
}

case "${1:-}" in
    start)
        start_api
        ;;
    stop)
        stop_api
        ;;
    restart)
        stop_api
        sleep 3
        start_api
        ;;
    status)
        status_api
        ;;
    logs)
        logs_api
        ;;
    *)
        echo "用法: $0 {start|stop|restart|status|logs}"
        echo ""
        echo "环境变量:"
        echo "  API_PORT    - API 服务端口 (默认: 8080)"
        echo "  API_PROFILE - Spring Profile (默认: test)"
        echo ""
        echo "示例:"
        echo "  API_PORT=9090 $0 start   # 在端口9090启动"
        echo "  $0 logs                    # 查看日志"
        exit 1
        ;;
esac