import { Schema } from "@effect/schema"
import type { IMutableClass } from "./MutableClass"
import type { HasFields } from "./util"


export interface IMutableTaggedClass<
    Self,
    Tag,
    Fields extends Schema.Struct.Fields,
>
extends IMutableClass<
    Self,
    Fields,
    Schema.Struct.Encoded<Fields>,
    Schema.Struct.Context<Fields>,
    Schema.Struct.Constructor<Omit<Fields, "_tag">>,
    {},
    {}
>
{
    readonly _tag: Tag
}


export const MutableTaggedClass = Schema.TaggedClass as <Self>(identifier?: string) =>
    <
        Tag    extends string,
        Fields extends Schema.Struct.Fields,
    >(
        tag:           Tag,
        fieldsOr:      Fields | HasFields<Fields>,
        annotations?:  Schema.Annotations.Schema<Self>,
    ) => IMutableTaggedClass<
        Self,
        Tag,
        { readonly _tag: Schema.PropertySignature<":", Tag, never, ":", Tag, true, never> } & Fields
    >