import * as plugins from "./npmextra.plugins"
import * as paths from "./npmextra.paths";

export interface IDataFor {
    toolName:string;
    defaultSettings?;
    cwd?:string
}

export let dataFor = (optionsArg:IDataFor) => {
    
    // handle default settings
    if(
        typeof optionsArg.toolName != undefined
        && typeof optionsArg.defaultSettings != undefined
    ){
        let newDefaultOptions = {};
        newDefaultOptions[optionsArg.toolName] = optionsArg.defaultSettings;
        optionsArg.defaultSettings = newDefaultOptions;
    };

    // set lookup path
    let lookupPath:string;
    if(optionsArg.cwd){
        lookupPath = plugins.path.join(optionsArg.cwd,"npmextra.json");
    } else {
        lookupPath = paths.configFile;
    };
    
    // get allData
    let allData;
    if(plugins.smartfile.fs.fileExistsSync(lookupPath)){
        allData = plugins.smartfile.fs.toObjectSync(lookupPath);
    } else {
        plugins.beautylog.warn(`${lookupPath} is missing!`);
        allData = {};
    };

    //assign all data
    allData = plugins.lodash.merge({},optionsArg.defaultSettings,allData);
    if(optionsArg.toolName){
        if(allData[optionsArg.toolName]){
            return allData[optionsArg.toolName];
        } else {
            plugins.beautylog.error(`There is no data for ${optionsArg.toolName}`);
            return undefined;
        }
    } else {
        return allData;
    }
};

export let configFilePresent = ():boolean => {
    return plugins.smartfile.fs.fileExistsSync(paths.configFile);
}