package config

import (
	"errors"
	"fmt"
	"os"

	"github.com/TelegramExchange/tgex-parser/pkg/logger"
	"github.com/TelegramExchange/tgex-parser/pkg/postgres"
	"github.com/joho/godotenv"
	"github.com/kelseyhightower/envconfig"

	"github.com/TelegramExchange/tgex-parser/internal/controller/worker"
	"github.com/TelegramExchange/tgex-parser/pkg/telegram"
)

type HTTP struct {
	Addr string `envconfig:"HTTP__ADDR" default:":8080"`
}

type Config struct {
	Logger        logger.Config
	Postgres      postgres.Config
	Telegram      telegram.Config
	ChannelWorker worker.ChannelConfig
	ViewsWorker   worker.ViewsConfig
	HTTP          HTTP
}

func New() (Config, error) {
	var config Config

	err := godotenv.Load(".env")
	if err != nil && !errors.Is(err, os.ErrNotExist) {
		return config, fmt.Errorf("godotenv.Load: %w", err)
	}

	err = envconfig.Process("", &config)
	if err != nil {
		return config, fmt.Errorf("envconfig.Process: %w", err)
	}

	return config, nil
}