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// Copyright 2020-2020 The Mandarine.TS Framework authors. All rights reserved. MIT license.
import { bold, green, magenta, red, yellow } from "https://deno.land/std@0.84.0/fmt/colors.ts";
export interface LogOptions {    logDuringTesting: string | undefined;}type MsgType = "debug" | "info" | "warn" | "error";
export class Log {
    private className: string | null = null;    public logOptions: LogOptions;
    constructor(source: any | string) {
        this.logOptions = {            logDuringTesting: Deno.env.get("LOG_DURING_TESTING")        };
        if(typeof source === 'string') {            this.className = source === "-" ? "-" : <string> source + ".class";            return;        }        try {            this.className = source.prototype.constructor.name + ".class";        }catch(error) {            this.className = "unknown";        }    }
    public debug(msg: string, ...supportingDetails: any[]): void {        if(Deno.env.get("DEBUG")) {            this.emitLogMessage("debug", msg, supportingDetails);        }    }
    public info(msg: string, ...supportingDetails: any[]): void {        this.emitLogMessage("info", msg, supportingDetails);    }
    public warn(msg: string, ...supportingDetails: any[]): void {        this.emitLogMessage("warn", msg, supportingDetails);    }
    public error(msg: string, ...supportingDetails: any[]): void {        this.emitLogMessage("error", msg, supportingDetails);    }
    public compiler(msg: string, msgType: MsgType, ...supportingDetails: any[]): void {        if(this.logOptions && this.logOptions.logDuringTesting === "false") return;        if(supportingDetails.length > 0) this[msgType](msg, supportingDetails);        else this[msgType](msg);    }
    private emitLogMessage(msgType: MsgType, msg: string, supportingDetails: any[]) {
        let finalMessage: string | null = null;
        switch(msgType) {            case "debug":                finalMessage = `${magenta(bold(`[${msgType.toUpperCase()} | ${new Date().toLocaleString()}]`))} [${Deno.pid}] [${this.className}] ${msg}`;            break;            case "info":                finalMessage = `${green(bold(`[${msgType.toUpperCase()} | ${new Date().toLocaleString()}]`))} [${Deno.pid}] [${this.className}] ${msg}`;            break;            case "warn":                finalMessage = `${yellow(bold(`[${msgType.toUpperCase()} | ${new Date().toLocaleString()}]`))} [${Deno.pid}] [${this.className}] ${msg}`;            break;            case "error":                finalMessage = `${red(bold(`[${msgType.toUpperCase()} | ${new Date().toLocaleString()}]`))} [${Deno.pid}] [${this.className}] ${msg}`;            break;        }        if(supportingDetails.length > 0) console[msgType](finalMessage, supportingDetails);        else console[msgType](finalMessage);    }
    public static getLogger(source: any) {        return new Log(source);    }}