package main

import (
	"encoding/json"
	"log"
	"net/http"

	"api_es/internal/config"
	"api_es/internal/database"
	"api_es/pkg/logger"

	"github.com/go-chi/chi/v5"
	"go.uber.org/zap"
	"gorm.io/gorm"
)

var db *gorm.DB

func main() {
	// Загрузка конфигурации
	cfg := config.Load()

	logger.Init(cfg.LogLevel, cfg.Environment)
	zapLogger := logger.Get()
	zapLogger.Info("Start api_es REST API on stack Golang (gorm, chi) and PostgresDB connect")

	// Инициализация БД
	db, err := database.NewPostgresConnection(cfg)
	if err != nil {
		zapLogger.Panic("Failed to connect to database:", zap.Error(err))
	}

	sqlDB, err := db.DB()
	if err != nil {
		zapLogger.Error("failed to get database instance", zap.Error(err))
	}

	if err := sqlDB.Ping(); err != nil {
		zapLogger.Error("database ping failed", zap.Error(err))
	}

	zapLogger.Info("database ping successful")
	r := chi.NewRouter()

	// Health check
	r.Get("/health", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		json.NewEncoder(w).Encode(map[string]string{"status": "healthy"})
	})

	// Запуск сервера
	zapLogger.Info("Server starting on port %s", zap.String("AppPort", cfg.AppPort))
	log.Printf("Server starting on port %s", cfg.AppPort)
	if err := http.ListenAndServe(":"+cfg.AppPort, r); err != nil {
		log.Fatal("Failed to start server:", err)
	}
}