package config

import (
	"sync/atomic"

	"github.com/akyaiy/GSfass/core/config"
)

type ServerConfig struct {
	Port            int    `mapstructure:"port"`
	Addr            string `mapstructure:"address"`
	StaticFilesPath string `mapstructure:"static_dir"`
	LogPath         string `mapstructure:"log_path"`
}

type Config struct {
	Server ServerConfig `mapstructure:"server"`
}

var configPath atomic.Value // string
var defaults = map[string]any{
	"server.port":       8080,
	"server.address":    "127.0.0.0",
	"server.static_dir": "./static",
}

func read(cfg *Config) error {
	return config.Read().Config().FilePath(configPath.Load().(string)).SetBy(cfg).SetDefaults(defaults).End()
}

func LoadConfig(path string) (*Config, error) {
	configPath.Store(path)
	var cfg Config
	err := read(&cfg)
	if err != nil {
		return nil, err
	}
	return &cfg, nil
}

func ReloadConfig(cfg *Config) error {
	return read(cfg)
}