package config

import (
	"log"

	"github.com/spf13/viper"
)

type Config struct {
	Server   ServerConfig   `mapstructure:"server"`
	Database DatabaseConfig `mapstructure:"database"`
	JWT      JWTConfig      `mapstructure:"jwt"`
}

type ServerConfig struct {
	Port         int    `mapstructure:"port"`
	Mode         string `mapstructure:"mode"`
	ReadTimeout  int    `mapstructure:"read_timeout"`
	WriteTimeout int    `mapstructure:"write_timeout"`
}

type DatabaseConfig struct {
	Host          string `mapstructure:"host"`
	Port          int    `mapstructure:"port"`
	User          string `mapstructure:"user"`
	Password      string `mapstructure:"password"`
	DBName        string `mapstructure:"dbname"`
	MaxOpenConns  int    `mapstructure:"max_open_conns"`
	MaxIdleConns  int    `mapstructure:"max_idle_conns"`
	ResetDatabase bool   `mapstructure:"reset_database"`
}

type JWTConfig struct {
	Secret      string `mapstructure:"secret"`
	ExpireHours int    `mapstructure:"expire_hours"`
}

func Load(configPath string) (*Config, error) {
	viper.SetConfigFile(configPath)
	viper.AutomaticEnv()
	if err := viper.ReadInConfig(); err != nil {
		return nil, err
	}
	var config Config
	if err := viper.Unmarshal(&config); err != nil {
		return nil, err
	}

	log.Printf("Config loaded successfully from %s", configPath)
	return &config, nil
}