import { cyan, red, magenta, bold } from 'colorette';
import statusEmoji from 'http-status-emojis';
import dayjs from 'dayjs';
import { METHODS } from 'node:http';
import { FileLogger } from './filelogger.js';
export var LogLevel;
(function (LogLevel) {
    LogLevel["error"] = "error";
    LogLevel["warn"] = "warn";
    LogLevel["trace"] = "trace";
    LogLevel["info"] = "info";
    LogLevel["log"] = "log";
})(LogLevel || (LogLevel = {}));
const compileArgs = (args, req, res, options = {}, status, msg) => {
    const { method } = req;
    const { statusCode } = res;
    const url = req.originalUrl || req.url;
    const methods = options.methods ?? METHODS;
    const timestamp = options.timestamp ?? false;
    const emojiEnabled = options.emoji;
    const level = options.output && options.output.level ? options.output.level : null;
    if (level)
        args.push('[' + level.toUpperCase() + ']');
    if (methods.includes(method) && timestamp) {
        args.push(`${dayjs()
            .format(typeof timestamp !== 'boolean' && timestamp.format ? timestamp.format : 'HH:mm:ss')
            .toString()} - `);
    }
    if (options.ip)
        args.push(req.ip);
    if (emojiEnabled)
        args.push(statusEmoji[statusCode]);
    args.push(method);
    args.push(status || res.statusCode);
    args.push(msg || res.statusMessage);
    args.push(url);
};
export const logger = (options = {}) => {
    const methods = options.methods ?? METHODS;
    const output = options.output ?? { callback: console.log, color: true, level: null };
    let filelogger = null;
    if (options.output && options.output.filename) {
        filelogger = new FileLogger(options.output.filename);
    }
    return (req, res, next) => {
        res.on('finish', () => {
            const args = [];
            // every time
            if (methods.includes(req.method)) {
                const s = res.statusCode.toString();
                let stringToLog = '';
                if (!output.color) {
                    compileArgs(args, req, res, options);
                    const m = args.join(' ');
                    stringToLog = m;
                }
                else {
                    switch (s[0]) {
                        case '2':
                            compileArgs(args, req, res, options, cyan(bold(s)), cyan(res.statusMessage));
                            stringToLog = args.join(' ');
                            break;
                        case '4':
                            compileArgs(args, req, res, options, red(bold(s)), red(res.statusMessage));
                            stringToLog = args.join(' ');
                            break;
                        case '5':
                            compileArgs(args, req, res, options, magenta(bold(s)), magenta(res.statusMessage));
                            stringToLog = args.join(' ');
                            break;
                    }
                }
                output.callback(stringToLog);
                if (filelogger) {
                    filelogger.toFile(stringToLog);
                }
            }
        });
        next?.();
    };
};