package config

import (
	"os"
	"strconv"
)

type Config struct {
	Locale       string
	Token        string
	Webhookurl   string
	Webhooktoken string
	PageSize     int
	CacheTTL     int
}

func Load() *Config {
	return &Config{
		Locale:       getEnv("DOCKERBOT_LOCALE", "en"),
		Token:        getEnv("DOCKERBOT_TOKEN", ""),
		Webhookurl:   getEnv("DOCKERBOT_WEBHOOKURL", ""),
		Webhooktoken: getEnv("DOCKERBOT_WEBHOOK_TOKEN", ""),
		PageSize:     getEnvInt("DOCKERBOT_PAGE_SIZE", 4),
		CacheTTL:     getEnvInt("DOCKERBOT_CACHE_TTL", 10),
	}
}

func getEnv(key, defaultValue string) string {
	val := os.Getenv(key)
	if val == "" {
		return defaultValue
	}
	return val
}

func getEnvInt(key string, defaultValue int) int {
	valStr := os.Getenv(key)
	if valStr == "" {
		return defaultValue
	}

	val, err := strconv.Atoi(valStr)
	if err != nil {
		return defaultValue
	}

	if val <= 0 {
		return defaultValue
	}

	return val
}

func getEnvBool(key string, defaultValue bool) bool {
	val := os.Getenv(key)
	if val == "" {
		return defaultValue
	}

	v, err := strconv.ParseBool(val)
	if err != nil {
		return defaultValue
	}
	return v
}