import { MessagePlugin as TDesignMessage } from "tdesign-mobile-vue";
import type { MessagePluginOptions } from "tdesign-mobile-vue/es/message/message";

/** Message 支持的调用参数。 */
export type MessageOptions = MessagePluginOptions;
export type MessageInput = string | MessageOptions;

type MessageTheme = Exclude<NonNullable<MessageOptions["theme"]>, "loading">;

interface TDesignMessageApi {
	info: (options: MessageOptions) => void;
	success: (options: MessageOptions) => void;
	warning: (options: MessageOptions) => void;
	error: (options: MessageOptions) => void;
	closeAll: () => void;
}

const tDesignMessage = TDesignMessage as unknown as TDesignMessageApi;

function normalizeOptions(input: MessageInput): MessageOptions {
	return typeof input === "string" ? { content: input } : input;
}

function normalizeOptionsWithDuration(input: MessageInput, duration?: number): MessageOptions {
	const options = normalizeOptions(input);
	return duration === undefined ? options : { ...options, duration };
}

function showMessage(input: MessageInput, duration?: number): void {
	const options = normalizeOptionsWithDuration(input, duration);
	const theme = options.theme || "info";
	tDesignMessage[theme](options);
}

function showMessageByTheme(theme: MessageTheme, input: MessageInput, duration?: number): void {
	tDesignMessage[theme]({
		offset: [10, 16],
		...normalizeOptionsWithDuration(input, duration),
		theme
	});
}

/**
 * 统一 Message 调用方式，使其支持类似 Toast 的字符串和配置对象调用。
 */
export const Message = Object.assign(showMessage, {
	info: (input: MessageInput, duration?: number): void => showMessageByTheme("info", input, duration),
	success: (input: MessageInput, duration?: number): void => showMessageByTheme("success", input, duration),
	warning: (input: MessageInput, duration?: number): void => showMessageByTheme("warning", input, duration),
	error: (input: MessageInput, duration?: number): void => showMessageByTheme("error", input, duration),
	closeAll: (): void => tDesignMessage.closeAll()
});