// @flow
import Patcher from "simian";
import webpack from "./api/webpack";
import common from "./api/common";
import plugins from "./api/plugins";
import settings from "./api/settings/settings";
import css from "./api/css";
import commands from "./api/commands";

async function init(obj: Object): Promise<void> {
    const patcher = new Patcher();
    obj.demon = {
        patcher: {
            monkeyPatch: function (
                name: string,
                parentObj: Object,
                patches: Object
            ): () => void {
                let [upb, upi, upa] = [() => {}, () => {}, () => {}];
                if (patches.before !== undefined)
                    upb = patcher.before(name, parentObj, patches.before);
                if (patches.instead !== undefined)
                    upb = patcher.instead(name, parentObj, patches.instead);
                if (patches.after !== undefined)
                    upb = patcher.after(name, parentObj, patches.after);
                return () => {
                    upb();
                    upi();
                    upa();
                };
            },
            before: patcher.before,
            instead: patcher.instead,
            after: patcher.after
        },
        webpack,
        common,
        commands: {
            add: commands.add
        },
		plugins
    };
    plugins.init(obj);
    css.init(obj);
}

export default init;