package config

import (
	"os"
	"strconv"
	"strings"
	"time"
)

type Config struct {
	AppPort        string
	AppURL         string
	SiteName       string
	DatabaseURL    string
	SessionSecret  string
	AdminUsername  string
	AdminEmail     string
	AdminPassword  string
	MySQLDumpPath  string
	AutoImportDump bool
	SecureCookies  bool
	RememberDays   int
}

func Load() Config {
	return Config{
		AppPort:        getenv("APP_PORT", "4000"),
		AppURL:         strings.TrimRight(getenv("APP_URL", "http://localhost:4000"), "/"),
		SiteName:       getenv("SITE_NAME", "Evilfox.cc"),
		DatabaseURL:    getenv("DATABASE_URL", "postgres://wg:wg@localhost:5432/wg?sslmode=disable"),
		SessionSecret:  getenv("SESSION_SECRET", "change-me-session-secret-32chars!!"),
		AdminUsername:  getenv("ADMIN_USERNAME", "admin"),
		AdminEmail:     getenv("ADMIN_EMAIL", "admin@evilfox.cc"),
		AdminPassword:  getenv("ADMIN_PASSWORD", ""),
		MySQLDumpPath:  getenv("MYSQL_DUMP_PATH", "/data/wg.sql"),
		AutoImportDump: getenvBool("AUTO_IMPORT_MYSQL", true),
		SecureCookies:  getenvBool("SECURE_COOKIES", false),
		RememberDays:   getenvInt("REMEMBER_DAYS", 30),
	}
}

func (c Config) RememberDuration() time.Duration {
	return time.Duration(c.RememberDays) * 24 * time.Hour
}

func getenv(key, def string) string {
	if v := strings.TrimSpace(os.Getenv(key)); v != "" {
		return v
	}
	return def
}

func getenvBool(key string, def bool) bool {
	v := strings.TrimSpace(os.Getenv(key))
	if v == "" {
		return def
	}
	b, err := strconv.ParseBool(v)
	if err != nil {
		return def
	}
	return b
}

func getenvInt(key string, def int) int {
	v := strings.TrimSpace(os.Getenv(key))
	if v == "" {
		return def
	}
	n, err := strconv.Atoi(v)
	if err != nil {
		return def
	}
	return n
}