package config

import (
	"io/ioutil"

	"gopkg.in/yaml.v3"
)

type Config struct {
	Server   ServerConfig   `yaml:"server"`
	Database DatabaseConfig `yaml:"database"`
	Redis    RedisConfig    `yaml:"redis"`
	RabbitMQ RabbitMQConfig `yaml:"rabbitmq"`
}

type ServerConfig struct {
	Port int `yaml:"port"`
}

type DatabaseConfig struct {
	Host     string `yaml:"host"`
	Port     int    `yaml:"port"`
	User     string `yaml:"user"`
	Password string `yaml:"password"`
	DBName   string `yaml:"dbname"`
}

type RedisConfig struct {
	Host     string `yaml:"host"`
	Port     int    `yaml:"port"`
	Password string `yaml:"password"`
	DB       int    `yaml:"db"`
}

type RabbitMQConfig struct {
	Host     string `yaml:"host"`
	Port     int    `yaml:"port"`
	Username string `yaml:"username"`
	Password string `yaml:"password"`
}

func Load(filename string) (Config, error) {
	data, err := ioutil.ReadFile(filename)
	if err != nil {
		return Config{}, err
	}

	var cfg Config
	if err := yaml.Unmarshal(data, &cfg); err != nil {
		return Config{}, err
	}

	return cfg, nil
}