import org.gradle.api.Project

fun Project.envValue(key: String): String? {
    val fromEnv = providers.environmentVariable(key).orNull
    if(fromEnv != null) return fromEnv

    val envFile = rootProject.file(".env")
    if(!envFile.exists()) return null

    return envFile.useLines { lines ->
        lines.map { it.trim() }.filter { it.isNotBlank() && !it.startsWith('#') && '=' in it }
            .map { line ->
                val (k, v) = line.split('=', limit = 2)
                k.trim() to v.trim().removeSurrounding("\"").removeSurrounding("'")
            }
            .firstOrNull { it.first == key }?.second
    }
}