synapsecns/sanguine

package config

import (
    "bytes"
    "fmt"
    "github.com/synapsecns/sanguine/core/internal/assets"
    "os"
    "path/filepath"
)

// logoFileName is the name of the logo file.
const logoFileName = "logo.svg"

// nameSuffix is the name suffix to use after the app name.
// this is useful for testing/versioning in a future version of this app.
var nameSuffix string

// GetLogoPath fetches the logo path from the config and writes it to the global config if it doesn't exist
// TODO this should be more generalized to work across static assets when we have more.
// returns an empty string if not present.
//
//nolint:nestif
func GetLogoPath() (_ string, err error) {
    configDir, err := GetConfigDir()
    if err != nil {
        return "", fmt.Errorf("could not get config dir: %w", err)
    }
    logoPath := filepath.Join(configDir, logoFileName)

    shouldWrite := true
    var fileHandle *os.File

    if _, err := os.Stat(logoPath); os.IsNotExist(err) {
        //nolint: gosec
        fileHandle, err = os.Create(logoPath)

        if err != nil {
            return "", fmt.Errorf("could not get logo: %w", err)
        }
    } else {
        //nolint: gosec
        fileHandle, err = os.Open(logoPath)

        if err != nil {
            return "", fmt.Errorf("could not get logo: %w", err)
        }

        data, _ := os.ReadFile(fileHandle.Name())
        if bytes.Equal(data, assets.Logo) {
            shouldWrite = false
        }
    }

    // otherwise create the file and return it
    if shouldWrite {
        _, err = fileHandle.Write(assets.Logo)
        if err != nil {
            return "", fmt.Errorf("could not write file: %w", err)
        }
    }
    _ = fileHandle.Close()

    return fileHandle.Name(), nil
}