package com.infendro.cli.command

import com.infendro.cli.argument.Argument
import kotlin.reflect.KProperty

class Execution(
    val commands: List<Cmd>,
    val arguments: List<Arg>,
) {
    class Cmd(
        val name: String,
    )

    class Arg(
        val name: String,
        val value: String?,
    )

    operator fun Command.Key.getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): String {
        return commands[index]
            .name
    }

    operator fun <T> Argument.Single<T>.getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): T {
        return arguments
            .single { it.name == name }
            .let { parser.parse(it.value) }
    }

    operator fun <T> Argument.SingleOrElse<T>.getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): T {
        return arguments
            .singleOrNull { it.name == name }
            ?.let { parser.parse(it.value) }
            ?: other
    }

    operator fun <T> Argument.SingleOrNull<T>.getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): T? {
        return arguments
            .singleOrNull { it.name == name }
            ?.let { parser.parse(it.value) }
    }

    operator fun <T> Argument.Multiple<T>.getValue(
        thisRef: Any?,
        property: KProperty<*>,
    ): List<T> {
        return arguments
            .filter { it.name == name }
            .map { parser.parse(it.value) }
    }
}