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

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,
        },
        __DO_NOT_USE_OR_YOU_WILL_BE_FIRED_UNTO_THE_DEPTHS_OF_HELL: {
            plugins,
        }
    };
    commands.init(obj);
    settingsInj.init();
    plugins.init(obj);
}

export default init;