package config

import (
	"fmt"

	"github.com/spf13/viper"
)

type User struct {
	Name     string `mapstructure:"name"`
	Email    string `mapstructure:"email"`
	Password string `mapstructure:"password"`
}

type Config struct {
	DBDriver      string `mapstructure:"db_driver"`
	DBConnString  string `mapstructure:"db_conn_string"`
	JWTSecret     string `mapstructure:"jwt_secret"`
	SessionSecret string `mapstructure:"session_secret"`
	ServerPort    int    `mapstructure:"server_port"`
	SuperUser     User   `mapstructure:"superuser"`
}

func Load(path string) (*Config, error) {
	v := viper.New()
	v.SetConfigFile(path)

	v.SetDefault("db_driver", "sqlite")
	v.SetDefault("db_conn_string", "file::memory:?cache=shared")
	v.SetDefault("server_port", 8080)

	if err := v.ReadInConfig(); err != nil {
		return nil, fmt.Errorf("read config: %w", err)
	}

	var cfg Config
	if err := v.Unmarshal(&cfg); err != nil {
		return nil, fmt.Errorf("unmarshal config: %w", err)
	}

	return &cfg, nil
}