import Assert from '@cafetextual/util/dist/src/assert/Assert';
import UID, { MTypeDef } from '@cafetextual/util';
import { ITypeManifest, IIterator } from '@cafetextual/util';
import { resolve } from 'url';


export default class DynamicTypeManifest implements ITypeManifest {
    types: Array<MTypeDef> = []
    _types  = {}
    setParent(v: ITypeManifest): void {
        // no implementation
    }
    resolveTypeDef(typeName: string): MTypeDef {
        var def:MTypeDef = this._types[typeName]

        if (!def) {
            def =   {typeName: typeName, create: ()=> {return {__cls:typeName }} }
            this._types[typeName]= def
        
        }
        return def

    }

    createType(name: string): any {
        var def:MTypeDef = this.resolveTypeDef(name)
        return def.create()
    }


    isA(v: any, type: string):boolean {
        try {
            return v.__cls == type
        } catch(e) {

        }
        return false
    }
    typeOf(v: any): string {
        return v.__cls
    }
    iterator(): IIterator<string> {
        Assert.fail() //
        return null
    }
    init(parent: ITypeManifest): ITypeManifest {
        return this
    }

}