import { Schema } from "@effect/schema"
import { makeObservable, observable, type CreateObservableOptions } from "mobx"
import { mapValues } from "remeda"


interface ObservableClassSelf {
    new(...args: any[]): Schema.Struct.Type<Schema.Struct.Fields>
    readonly fields: { readonly [K in keyof Schema.Struct.Fields]: Schema.Struct.Fields[K] }
}

export const ObservableClass = <Self extends ObservableClassSelf>(
    self:      Self,
    options?:  Omit<CreateObservableOptions, "proxy">,
) =>
    class Observable extends self {
        declare ["constructor"]: typeof Observable

        constructor(...args: any[]) {
            super(...args)

            makeObservable(this,
                mapValues(this.constructor.fields, () => observable),
                options,
            )
        }
    } as Self