import {AppClass} from "../lifecycle/AppClass"
import {Config} from "../service/Config"
import {Container} from "@extollo/di"
import {UniversalPath} from "@extollo/util"

export abstract class ViewEngine extends AppClass {
    protected readonly config: Config
    protected readonly debug: boolean

    constructor() {
        super()
        this.config = Container.getContainer().make(Config)
        this.debug = (this.config.get('server.mode', 'production') === 'development'
                        || this.config.get('server.debug', false))
    }

    public get path(): UniversalPath {
        return this.app().appPath(...['resources', 'views'])  // FIXME allow configuring
    }

    public abstract renderString(templateString: string, locals: {[key: string]: any}): string | Promise<string>
    public abstract renderByName(templateName: string, locals: {[key: string]: any}): string | Promise<string>
}