import java.util.regex.Matcher
import java.util.regex.Pattern

String libraryVersionName = "UNKNOWN"
String libraryName = "flutter-fire-perf"
File pubspec = new File(project.projectDir.parentFile,  'pubspec.yaml')

if (pubspec.exists()) {
    String yaml = pubspec.text
    // Using \s*['|"]?([^\n|'|"]*)['|"]? to extract version number.
    Matcher versionMatcher = Pattern.compile("^version:\\s*['|\"]?([^\\n|'|\"]*)['|\"]?\$", Pattern.MULTILINE).matcher(yaml)
    if (versionMatcher.find()) libraryVersionName = versionMatcher.group(1).replaceAll("\\+", "-")
}

android {
    defaultConfig {
        // BuildConfig.VERSION_NAME
        buildConfigField 'String', 'LIBRARY_VERSION', "\"${libraryVersionName}\""
        // BuildConfig.LIBRARY_NAME
        buildConfigField 'String', 'LIBRARY_NAME', "\"${libraryName}\""
    }
}