package com.vrobot.api.controller;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

import jakarta.persistence.EntityManager;
import java.time.LocalDateTime;
import java.util.HashMap;
import java.util.Map;

@RestController
public class HealthController {

    @Autowired
    private EntityManager entityManager;

    @Autowired
    private RedisTemplate<String, String> redisTemplate;

    @GetMapping("/")
    public Map<String, Object> home() {
        Map<String, Object> response = new HashMap<>();
        response.put("service", "Spring Boot API");
        response.put("status", "running");
        response.put("timestamp", LocalDateTime.now());
        response.put("endpoints", Map.of(
            "health", "/api/health",
            "actuator", "/actuator/health"
        ));
        return response;
    }

    @GetMapping("/api/health")
    public Map<String, Object> health() {
        Map<String, Object> response = new HashMap<>();
        
        boolean mysqlConnected = false;
        try {
            entityManager.createNativeQuery("SELECT 1").getSingleResult();
            mysqlConnected = true;
        } catch (Exception e) {
        }

        boolean redisConnected = false;
        try {
            redisTemplate.opsForValue().set("health-check", LocalDateTime.now().toString());
            String value = redisTemplate.opsForValue().get("health-check");
            redisConnected = value != null;
        } catch (Exception e) {
        }

        response.put("status", mysqlConnected && redisConnected ? "UP" : "DOWN");
        response.put("timestamp", LocalDateTime.now());
        response.put("mysql", mysqlConnected ? "connected" : "disconnected");
        response.put("redis", redisConnected ? "connected" : "disconnected");
        response.put("message", "Spring Boot API for vrobot.shop");
        
        return response;
    }
}