package config

import (
	"github.com/joho/godotenv"
	"github.com/kelseyhightower/envconfig"
	"time"
)

type Config struct {
	LogLevel                 string            `default:"info" split_words:"true"`
	Address                  string            `default:":8080" split_words:"true"`
	StorageDriver            string            `default:"sqlite" split_words:"true"`
	PasteIDLength            int               `default:"6" split_words:"true"`
	PasteIDCharset           string            `default:"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" split_words:"true"`
	ModificationTokens       bool              `default:"true" split_words:"true"`
	ModificationTokenMaster  string            `split_words:"true"`
	ModificationTokenLength  int               `default:"12" split_words:"true"`
	ModificationTokenCharset string            `default:"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789" split_words:"true"`
	RateLimit                string            `default:"30-M" split_words:"true"`
	PasteLengthCap           int               `default:"50000" split_words:"true"`
	AutoDelete               *AutoDeleteConfig `split_words:"true"`
	Reports                  *ReportConfig
	Postgres                 *PostgresConfig
	SQLite                   *SQLiteConfig
}

type AutoDeleteConfig struct {
	Enabled      bool          `default:"false"`
	Lifetime     time.Duration `default:"720h"`
	TaskInterval time.Duration `default:"5m" split_words:"true"`
}

type ReportConfig struct {
	Enabled      bool   `default:"false" split_words:"true"`
	WebhookURL   string `split_words:"true"`
	WebhookToken string `split_words:"true"`
}

type PostgresConfig struct {
	DSN string `default:"postgres://pasty:pasty@localhost/pasty"`
}

type SQLiteConfig struct {
	File string `default:":memory:"`
}

func Load() (*Config, error) {
	_ = godotenv.Overload()
	cfg := new(Config)
	if err := envconfig.Process("pasty", cfg); err != nil {
		return nil, err
	}
	return cfg, nil
}