import { Cli, CliCommandDefinitionOption, CliProgramDefinition } from '@cirrusct/cli';
import { createConsoleLogger, Logger, LogLevelString, parseLogLevel } from '@cirrusct/logging';
import { createError } from '@cirrusct/mr-core';
import * as path from 'path';
import { MrCliDebug as d } from './debug';

export const createLogger = (level: LogLevelString | string = 'info', includeSrc = false): Logger => {
    const logLevel = parseLogLevel(level);
    return createConsoleLogger('mr-cli', logLevel, includeSrc, { showLevelLabel: false, showTimeStamp: false });
};

export interface PreParsedCliOptions {
    logLevel: string;
    cwd: string;
}

/**
 * Pre-process Cli with just Global options to get settings that may be required
 * before command-specific options can be parsed (e.g. cwd, log-level)
 */
export const preParseCliOptions = (): PreParsedCliOptions => {
    const preParseDef: CliProgramDefinition = {
        commands: [],
        name: 'preparse',
        options: [
            {
                default: 'info',
                flag: '-l',
                name: 'logLevel',
                transform: val => {
                    return parseLogLevel(val as string);
                },
                valueType: 'string',
            },
            {
                default: process.cwd(),
                name: 'cwd',
                transform: val => {
                    return path.resolve(val as string);
                },
                valueType: 'string',
            },
        ],
    };

    try {
        d.markPreParseCliOptionsStart();
        const parsed = Cli.parse(preParseDef);
        d.markPreParseCliOptionsEnd();
        return parsed.options as PreParsedCliOptions;
    } catch (e) {
        throw createError(`PreParse Cli Failed`, e);
    }
};