export class Process {
    user: string;
    pid: number;
    cpu: number;
    mem: number;
    vsz: number;
    rss: number;
    tty: string;
    stat: string;
    start: string;
    time: string;
    command: string;
    constructor(
        user: string,
        pid: number,
        cpu: number,
        mem: number,
        vsz: number,
        rss: number,
        tty: string,
        stat: string,
        start: string,
        time: string,
        command: string,
    ) {
        this.user = user;
        this.pid = pid;
        this.cpu = cpu;
        this.mem = mem;
        this.vsz = vsz;
        this.rss = rss;
        this.tty = tty;
        this.stat = stat;
        this.start = start;
        this.time = time;
        this.command = command;
    }
}

export function parseProcessLine(line: string): Process | null {
    const processMatchRegex =
        /^\s*([\w+\-_]+)\s+(\d+)\s+([\d.]+)\s+([\d.]+)\s+(\d+)\s+(\d+)\s+([\w\/\\?]+)\s+([\w+<>]+)\s+([\w:]+)\s+([\d:]+)\s+(.*)$/;
    //        "app          3622    0.2        24.0      2932504 453004    ?             Sl           Jan25      23:04      /usr/lib/jvm/jdk-25/bin/java -Dfastjson.parser.safeMode=true......";
    //        USER          PID     CPU        MEM       VSZ     RSS       TTY           STAT         START     TIME      COMMAND
    const matcher = line.match(processMatchRegex);
    if (!matcher) {
        return null;
    }
    const user = matcher[1];
    const pid = parseInt(matcher[2]);
    const cpu = Number(matcher[3]);
    const mem = Number(matcher[4]);
    const vsz = parseInt(matcher[5]);
    const rss = parseInt(matcher[6]);
    const tty = matcher[7];
    const stat = matcher[8];
    const start = matcher[9];
    const time = matcher[10];
    const command = matcher[11];
    return new Process(
        user,
        pid,
        cpu,
        mem,
        vsz,
        rss,
        tty,
        stat,
        start,
        time,
        command,
    );
}