import * as path from "path";
import * as fs from "fs";
import Completer from "../../interfaces/Completer";
import {
    CompletionItemKind,
    CompletionItem
} from "vscode-languageserver/lib/main";

export default class AudioCompleter implements Completer {
    public projectPath: string;

    setPath(projectPath: string) {
        this.projectPath = projectPath;
    }

    getItems(): CompletionItem[] {
        const uiPath: string = "_eko_/config/playerOptions.json";
        const completionsPath = path.join(this.projectPath, uiPath);
        let completionJson: { plugins: {audio: {sounds: [{}]}} } = { plugins: {audio: {sounds: [{}]}} };
        let result: CompletionItem[] = [];

        fs.readFileSync(completionsPath, "utf8");
        completionJson = JSON.parse(
            fs.readFileSync(completionsPath, "utf8")
        );
        if (Array.isArray(completionJson.plugins.audio.sounds)) {
            result = completionJson.plugins.audio.sounds.map(
                (sound: { id: string }) => {
                    return {
                        label: sound.id,
                        kind: CompletionItemKind.Constant,
                        detail: 'Audio'
                    };
                }
            );
        } else {
            result = Object.keys(completionJson.plugins.audio.sounds).map(
                (id: string ) => {
                    return {
                        label: id,
                        kind: CompletionItemKind.Constant,
                        detail: 'Audio'
                    };
                }
            );
        }
        
        return result;
    }
}