package models

import "database/sql"

const siteSettingsID = 1

type SiteSettings struct {
	AllowSignup bool
}

func EnsureSiteSettings(db *sql.DB) error {
	_, err := db.Exec(`
		CREATE TABLE IF NOT EXISTS site_settings (
			id INT PRIMARY KEY,
			allow_signup BOOLEAN NOT NULL DEFAULT TRUE,
			updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
		)`)
	if err != nil {
		return err
	}

	_, err = db.Exec(`
		INSERT INTO site_settings (id, allow_signup)
		VALUES (?, TRUE)
		ON DUPLICATE KEY UPDATE id = id
	`, siteSettingsID)
	return err
}

func GetSiteSettings(db *sql.DB) (*SiteSettings, error) {
	settings := &SiteSettings{}
	err := db.QueryRow("SELECT allow_signup FROM site_settings WHERE id = ?", siteSettingsID).Scan(&settings.AllowSignup)
	if err != nil {
		return nil, err
	}

	return settings, nil
}

func SetAllowSignup(db *sql.DB, allowSignup bool) error {
	_, err := db.Exec("UPDATE site_settings SET allow_signup = ?, updated_at = CURRENT_TIMESTAMP WHERE id = ?", allowSignup, siteSettingsID)
	return err
}