import { type Accessor, createContext, useContext } from "solid-js";

export interface ProgressDataSet {
	"data-progress": "loading" | "complete" | undefined;
	"data-indeterminate": string | undefined;
}

export interface ProgressContextValue {
	dataset: Accessor<ProgressDataSet>;
	value: Accessor<number>;
	valuePercent: Accessor<number>;
	valueLabel: Accessor<string | undefined>;
	progressFillWidth: Accessor<string | undefined>;
	labelId: Accessor<string | undefined>;
	generateId: (part: string) => string;
	registerLabelId: (id: string) => () => void;
}

export const ProgressContext = createContext<ProgressContextValue>();

export function useProgressContext() {
	const context = useContext(ProgressContext);

	if (context === undefined) {
		throw new Error(
			"[kobalte]: `useProgressContext` must be used within a `Progress.Root` component",
		);
	}

	return context;
}