package config

import (
	"fmt"
	"os"
	"strings"
)

// Config represents the application configuration
type Config struct {
	DefaultSettings string
}

// SSHConfig holds SSH connection and installation parameters
type SSHConfig struct {
	IP          string
	Port        string
	Login       string
	Password    string
	Serial      string
	TailNumber  string
	DefaultHost string
	ArchivePath string
}

// NewSSHConfig creates a new SSH configuration with the provided parameters
func NewSSHConfig(ip, port, login, password, serial, tailNumber, defaultHost, archivePath string) *SSHConfig {
	return &SSHConfig{
		IP:          ip,
		Port:        port,
		Login:       login,
		Password:    password,
		Serial:      serial,
		TailNumber:  tailNumber,
		DefaultHost: defaultHost,
		ArchivePath: archivePath,
	}
}

// UpdateSettingsJSON updates the default settings JSON with user-provided values
func UpdateSettingsJSON(defaultSettings string, config *SSHConfig) (string, error) {
	// Replace registration number
	updated := strings.Replace(defaultSettings, `"REG_NUMBER" : "",`, fmt.Sprintf(`"REG_NUMBER" : "%s",`, config.TailNumber), 1)

	// Split the default host into domain and port
	hostParts := strings.Split(config.DefaultHost, ":")
	if len(hostParts) != 2 {
		return "", fmt.Errorf("invalid default host format, expected domain:port")
	}

	// Replace domain and port
	updated = strings.Replace(updated, `"DOMAIN" : "",`, fmt.Sprintf(`"DOMAIN" : "%s",`, hostParts[0]), 1)
	updated = strings.Replace(updated, `"PORT" : 0`, fmt.Sprintf(`"PORT" : %s`, hostParts[1]), 1)

	return updated, nil
}

// SaveSettingsJSON saves the updated settings JSON to a file
func SaveSettingsJSON(content string, filePath string) error {
	return os.WriteFile(filePath, []byte(content), 0644)
}