#!/usr/bin/env python3
"""
FARMQ 관리 시스템 - 샘플 데이터 초기화 스크립트
"""

import os
import sys
from datetime import datetime, timedelta
import random
from sqlalchemy import text

# 현재 디렉토리를 파이썬 경로에 추가
current_dir = os.path.dirname(os.path.abspath(__file__))
sys.path.insert(0, current_dir)

from config import config
from utils.database import init_database, get_session, close_session
from models import PharmacyInfo, MachineSpecs, MonitoringData, Alert, User, Node

def init_sample_data():
    """샘플 데이터 초기화"""
    print("🔧 Initializing sample data for FARMQ Admin System...")
    
    # 데이터베이스 세션 획득
    session = get_session()
    
    try:
        # 1. 기존 샘플 데이터 정리
        print("📝 Cleaning existing sample data...")
        session.query(Alert).delete()
        session.query(MonitoringData).delete()
        session.query(MachineSpecs).delete()
        session.query(PharmacyInfo).delete()
        
        # 2. 샘플 약국 데이터 생성
        print("🏥 Creating sample pharmacy data...")
        pharmacies = [
            {
                'pharmacy_name': '서울약국',
                'business_number': '123-45-67890',
                'manager_name': '김철수',
                'phone': '02-1234-5678',
                'address': '서울특별시 강남구 테헤란로 123',
                'proxmox_host': '192.168.1.100',
                'user_id': 'seoul-pharmacy'
            },
            {
                'pharmacy_name': '부산메디컬약국',
                'business_number': '987-65-43210',
                'manager_name': '이영희',
                'phone': '051-2345-6789',
                'address': '부산광역시 해운대구 센텀대로 456',
                'proxmox_host': '192.168.1.101',
                'user_id': 'busan-medical'
            },
            {
                'pharmacy_name': '대구건강약국',
                'business_number': '456-78-91234',
                'manager_name': '박민수',
                'phone': '053-3456-7890',
                'address': '대구광역시 중구 동성로 789',
                'proxmox_host': '192.168.1.102',
                'user_id': 'daegu-health'
            },
            {
                'pharmacy_name': '인천바다약국',
                'business_number': '321-54-87695',
                'manager_name': '최수진',
                'phone': '032-4567-8901',
                'address': '인천광역시 연수구 송도대로 321',
                'proxmox_host': '192.168.1.103',
                'user_id': 'incheon-sea'
            },
            {
                'pharmacy_name': '광주햇살약국',
                'business_number': '654-32-10987',
                'manager_name': '정태영',
                'phone': '062-5678-9012',
                'address': '광주광역시 서구 상무대로 654',
                'proxmox_host': '192.168.1.104',
                'user_id': 'gwangju-sunshine'
            }
        ]
        
        pharmacy_objects = []
        for pharmacy_data in pharmacies:
            pharmacy = PharmacyInfo(**pharmacy_data)
            session.add(pharmacy)
            pharmacy_objects.append(pharmacy)
        
        session.flush()  # ID 생성을 위해 flush
        
        # 3. 기존 Headscale 사용자와 연결
        print("👥 Linking with existing Headscale users...")
        existing_users = session.query(User).all()
        existing_nodes = session.query(Node).all()
        
        print(f"📊 Found {len(existing_users)} users and {len(existing_nodes)} nodes in Headscale")
        
        # 4. 머신 스펙 데이터 생성
        print("💻 Creating machine specifications...")
        cpu_models = [
            'Intel Core i5-11400',
            'Intel Core i7-10700',
            'AMD Ryzen 5 5600X',
            'AMD Ryzen 7 5700G',
            'Intel Core i3-10100'
        ]
        
        machine_specs = []
        for node in existing_nodes:
            specs = MachineSpecs(
                machine_id=node.id,
                cpu_model=random.choice(cpu_models),
                cpu_cores=random.choice([4, 6, 8]),
                ram_gb=random.choice([8, 16, 32]),
                storage_gb=random.choice([256, 512, 1024]),
                network_speed=random.choice([100, 1000]),
                os_info=f"Ubuntu 22.04 LTS",
                created_at=datetime.now()
            )
            session.add(specs)
            machine_specs.append(specs)
        
        # 5. 모니터링 데이터 생성 (최근 24시간)
        print("📈 Creating monitoring data...")
        for spec in machine_specs:
            # 각 머신별로 최근 24시간 데이터 생성
            base_time = datetime.now() - timedelta(hours=24)
            
            for i in range(144):  # 10분 간격으로 24시간 = 144개 데이터
                monitoring_time = base_time + timedelta(minutes=i * 10)
                
                # 시간대별로 사실적인 패턴 생성
                hour = monitoring_time.hour
                base_cpu = 20 if 6 <= hour <= 22 else 10  # 업무시간 vs 야간
                
                monitoring = MonitoringData(
                    machine_id=spec.machine_id,
                    cpu_usage=max(0, min(100, base_cpu + random.gauss(0, 10))),
                    memory_usage=max(10, min(90, 30 + random.gauss(0, 15))),
                    disk_usage=max(20, min(80, 45 + random.gauss(0, 5))),
                    cpu_temperature=max(35, min(85, 55 + random.gauss(0, 8))),
                    network_in_bytes=random.randint(1000, 50000),
                    network_out_bytes=random.randint(500, 25000),
                    collected_at=monitoring_time
                )
                session.add(monitoring)
        
        # 6. 알림 데이터 생성
        print("🚨 Creating alert data...")
        alert_types = ['HIGH_CPU', 'HIGH_MEMORY', 'HIGH_TEMPERATURE', 'DISK_SPACE', 'NETWORK_ISSUE']
        alert_levels = ['INFO', 'WARNING', 'ERROR', 'CRITICAL']
        
        for i in range(15):  # 15개의 알림 생성
            alert_time = datetime.now() - timedelta(hours=random.randint(1, 72))
            machine_id = random.choice([spec.machine_id for spec in machine_specs])
            
            alert_type = random.choice(alert_types)
            level = random.choice(alert_levels)
            
            messages = {
                'HIGH_CPU': f'CPU 사용률 80% 초과',
                'HIGH_MEMORY': f'메모리 사용률 85% 초과',
                'HIGH_TEMPERATURE': f'CPU 온도 75°C 초과',
                'DISK_SPACE': f'디스크 사용률 80% 초과',
                'NETWORK_ISSUE': f'네트워크 연결 불안정'
            }
            
            alert = Alert(
                machine_id=machine_id,
                alert_type=alert_type,
                level=level,
                message=messages[alert_type],
                created_at=alert_time,
                is_resolved=random.choice([True, False])
            )
            session.add(alert)
        
        # 커밋
        session.commit()
        
        print("✅ Sample data initialization completed!")
        print(f"   - {len(pharmacy_objects)} pharmacies created")
        print(f"   - {len(machine_specs)} machine specifications created")
        print(f"   - {144 * len(machine_specs)} monitoring records created")
        print(f"   - 15 alerts created")
        
        # 통계 출력
        print("\n📊 Database Statistics:")
        print(f"   - Total Users: {session.query(User).count()}")
        print(f"   - Total Nodes: {session.query(Node).count()}")
        print(f"   - Total Pharmacies: {session.query(PharmacyInfo).count()}")
        print(f"   - Total Monitoring Records: {session.query(MonitoringData).count()}")
        print(f"   - Active Alerts: {session.query(Alert).filter_by(is_resolved=False).count()}")
        
    except Exception as e:
        print(f"❌ Error initializing sample data: {e}")
        session.rollback()
        raise
    finally:
        close_session()

if __name__ == '__main__':
    # 데이터베이스 초기화
    init_database('/srv/headscale-setup/headscale-data/db.sqlite')
    
    # 샘플 데이터 생성
    init_sample_data()