package app.revanced.cli.command

import app.revanced.patcher.PatchBundleLoader
import app.revanced.utils.Options
import app.revanced.utils.Options.setOptions
import picocli.CommandLine
import picocli.CommandLine.Help.Visibility.ALWAYS
import java.io.File

@CommandLine.Command(
    name = "options",
    description = ["Generate options file from patches"],
)
internal object OptionsCommand : Runnable {
    @CommandLine.Parameters(
        description = ["Paths to patch bundles"],
        arity = "1..*"
    )
    lateinit var patchBundles: Array<File>

    @CommandLine.Option(
        names = ["-p", "--path"],
        description = ["Path to patch options JSON file"],
        showDefaultValue = ALWAYS
    )
    var path: File = File("options.json")

    @CommandLine.Option(
        names = ["-o", "--overwrite"],
        description = ["Overwrite existing options file"],
        showDefaultValue = ALWAYS
    )
    var overwrite: Boolean = false

    @CommandLine.Option(
        names = ["-u", "--update"],
        description = ["Update existing options by adding missing and removing non-existent options"],
        showDefaultValue = ALWAYS
    )
    var update: Boolean = false

    override fun run() = if (!path.exists() || overwrite)
        with(PatchBundleLoader.Jar(*patchBundles)) {
            if (update) setOptions(path, logger)

            Options.serialize(this, prettyPrint = true)
                .let(path::writeText)
        }
    else logger.error("Options file already exists, use --override to override it")
}