package de.steamwar.commands.ci

import com.github.ajalt.clikt.core.CliktCommand
import com.github.ajalt.clikt.core.Context
import java.io.File
import java.io.PrintStream
import kotlin.concurrent.thread

class CiCommand : CliktCommand("ci") {
    override val hiddenFromHelp = true

    override fun help(context: Context): String = "CI daemon for processing git push events"

    override fun run() {
        echo("SteamWar CI daemon started. Waiting for push events...")
        echo("Format: <oldref> <newref> <branch>")

        try {
            while (true) {
                val input = readlnOrNull() ?: break
                val parts = input.split(" ")

                if (parts.size < 3) {
                    echo("Invalid input format. Expected: <oldref> <newref> <branch>", err = true)
                    continue
                }

                val (oldref, newref, branch) = parts

                // Fork/detach the build process
                thread(isDaemon = false) {
                    processBuild(oldref, newref, branch)
                }
            }
        } catch (e: Exception) {
            echo("CI daemon error: ${e.message}", err = true)
        }
    }

    private fun processBuild(oldref: String, newref: String, branch: String) {
        try {
            val config = CiConfig(oldref, newref, branch)

            // Create log file
            val logFile = File(config.logpath)
            logFile.parentFile?.mkdirs()

            PrintStream(logFile).use { logStream ->
                val runner = CiRunner(config)
                runner.run(logStream)
            }
        } catch (e: Exception) {
            System.err.println("Build failed: ${e.message}")
            e.printStackTrace()
        }
    }
}