package config

import (
	"fmt"

	"github.com/caarlos0/env/v10"
	"github.com/go-playground/validator/v10"
)

type PlugConfig struct {
	LogLevel  string `validate:"required,eq=FATAL|eq=ERROR|eq=WARN|eq=INFO|eq=DEBUG|eq=TRACE" env:"LOG_LEVEL" envDefault:"INFO" json:"log_level"`
	LogFormat string `validate:"required,eq=PLAIN|eq=JSON" env:"LOG_FORMAT" envDefault:"PLAIN" json:"log_format"`
}

type OtterSpaceConfig struct {
	Type     string `env:"DB_TYPE,required"`
	Endpoint string `env:"DB_URL,required"`
	Username string `env:"DB_USERNAME,required"`
	Password string `env:"DB_PASSWORD,required,unset"`
	Debug    bool   `env:"DB_DEBUG" envDefault:"FALSE"`
}

// LoadConfig loads the configuration from environment variables and validates it.
func LoadConfig[T any](cfg T) (T, error) {

	if err := env.Parse(&cfg); err != nil {
		return cfg, fmt.Errorf("config: error parsing configuration: %w", err)
	}

	validate := validator.New()
	if err := validate.Struct(cfg); err != nil {
		return cfg, fmt.Errorf("config: validation error: %w", err)
	}

	return cfg, nil
}