package de.joshavg

import org.eclipse.microprofile.config.inject.ConfigProperty
import org.slf4j.Logger
import org.slf4j.LoggerFactory
import java.io.File
import java.nio.file.Files
import java.nio.file.Paths
import java.time.LocalDateTime
import java.time.format.DateTimeFormatter
import java.util.*
import javax.enterprise.context.ApplicationScoped

data class BuildConfig(val exec: String,
                       val user: String,
                       val dir: String,
                       val key: String,
                       val env: Map<String, String>) {
    fun asPublic() = copy(key = "")
}

@ApplicationScoped
class Builds(@ConfigProperty(name = "ALFRED_HOME")
             private val home: String) {

    private val logger: Logger = LoggerFactory.getLogger(this::class.java)

    init {
        logger.info("ALFRED_HOME is $home")
    }

    fun buildConfig(build: String): BuildConfig {
        val path = Paths.get(home, "builds", "$build.properties")
        val props = Properties()
        props.load(path.toFile().inputStream())

        val env = props
            .entries
            .filter { it.key.toString() == it.key.toString().toUpperCase() }
            .map { Pair(it.key.toString(), it.value.toString()) }
            .toMap()

        return BuildConfig(
            exec = props.getProperty("exec"),
            user = props.getProperty("user"),
            dir = props.getProperty("dir"),
            key = props.getProperty("key") ?: "",
            env = env)
    }

    fun createLogFile(build: String): File {
        val nowStr = LocalDateTime.now().format(DateTimeFormatter.ISO_DATE_TIME)
        val fileName = "$build.$nowStr.log"

        val path = Paths.get(home, "logs", fileName)
        path.toFile().parentFile.mkdirs()

        return Files.createFile(path).toFile()
    }

}