import { extensionId } from "./ExtensionInformation.js";
import { ItemType } from "./ItemType.js";
import * as cp from "child_process";
import * as vscode from 'vscode';

export type Folder = { name: string, id: number, children: Folder[] };
export type FolderResult = { folders: Folder[] };
export type ItemResult = { name: string, itemType: ItemType, data: string, stringData: string };

const extension = vscode.extensions.getExtension(extensionId);
const extensionPath = extension?.extensionPath + "/binary";
const extensionDll = extensionPath + "/TiaFileFormatServer.dll";

export class TiaProjectServerFetchApi {
	//@ts-ignore
	static process: cp.ChildProcessWithoutNullStreams | null;
	static baseUri: string;

	static updateBaseuriAndLaunchServer(baseUri: string) {
		TiaProjectServerFetchApi.process?.kill('SIGINT');

		TiaProjectServerFetchApi.baseUri = baseUri ?? "http://127.0.0.1:5400";

		if (true) { //disable when using c# directly
			this.process = cp.spawn("dotnet", [extensionDll, this.baseUri], {
				cwd: extensionPath,
				//shell: true, detached: true
			});
		}
	}

	static stopServer() {
		this.process?.kill('SIGINT');
		this.process = null;
	}

	static async closeProject(file: string): Promise<void> {
		const response = await fetch(TiaProjectServerFetchApi.baseUri + "/closeProject", {
			headers: {
				'Accept': 'application/json',
				'Content-Type': 'application/json'
			},
			method: "POST",
			body: JSON.stringify({ file: file })
		});
	}

	static async getFolders(file: string): Promise<FolderResult> {
		const response = await fetch(TiaProjectServerFetchApi.baseUri + "/getFolders", {
			headers: {
				'Accept': 'application/json',
				'Content-Type': 'application/json'
			},
			method: "POST",
			body: JSON.stringify({ file: file })
		});

		const answer = <FolderResult>await response.json();
		return answer;
	}

	static async getItem(file: string, id: number): Promise<ItemResult> {
		const response = await fetch(TiaProjectServerFetchApi.baseUri + "/getItem", {
			headers: {
				'Accept': 'application/json',
				'Content-Type': 'application/json'
			},
			method: "POST",
			body: JSON.stringify({ file: file, id: id })
		});

		const answer = <ItemResult>await response.json();
		return answer;
	}
}