package moe.kageru.kagebot.config

import arrow.core.Either
import kotlinx.coroutines.runBlocking
import moe.kageru.kagebot.Globals
import moe.kageru.kagebot.config.SystemSpec.serverId
import java.io.File

object ConfigParser {
    internal const val DEFAULT_CONFIG_PATH = "config.toml"
    val configFile: File = File(DEFAULT_CONFIG_PATH)

    fun initialLoad(file: String) = runBlocking {
        Either.catch {
            val configFile = getFile(file)
            val config = Config.systemSpec.file(configFile)
            Config.system = config
            Config.server = Globals.api.getServerById(config[serverId])
                .orElseThrow { IllegalArgumentException("Invalid server configured.") }
            Config.localization = Config.localeSpec.file(configFile)
            Config.featureConfig = Config.featureSpec.file(configFile)
            Config.commandConfig = Config.commandSpec.file(configFile)
        }
    }

    private fun getFile(path: String): File {
        val file = File(path)
        if (file.isFile) {
            return file
        }
        println("Config not found, falling back to defaults...")
        return File(this::class.java.classLoader.getResource(path)!!.toURI())
    }
}