import {createEntityCollection} from "../utils/entity";
import {Part} from "./part";
import {Region} from "./region";
import {CommandRegistry, CommandRunnerContextExport, createCommandRunnerContext, PromptEvent} from "../utils/command";
import {AsyncQueue} from "../utils/async-queue";

export interface IGameContext {
    parts: ReturnType<typeof createEntityCollection<Part>>;
    regions: ReturnType<typeof createEntityCollection<Region>>;
    commands: CommandRunnerContextExport<IGameContext>;
    inputs: AsyncQueue<PromptEvent>;
}

export function createGameContext(commandRegistry: CommandRegistry<IGameContext>) {
    const parts = createEntityCollection<Part>();
    const regions = createEntityCollection<Region>();
    const ctx: IGameContext = {
        parts,
        regions,
        commands: null,
        inputs: new AsyncQueue(),
    };
    ctx.commands = createCommandRunnerContext(commandRegistry, ctx);
    ctx.commands.on('prompt', (prompt: PromptEvent) => ctx.inputs.push(prompt));

    return ctx;
}