// Type definitions for procfs-stats 1.0
// Project: https://github.com/soldair/node-procfs-stats
// Definitions by: Cyril Schumacher <https://github.com/cyrilschumacher>
// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped

declare function procfs(pid: number): procfs.StatStatic;
declare namespace procfs {
    type Callback<Value> = (error: any, value: Value) => void;

    interface Cpu {
        cpu: CpuDetail;
        intr: string;
        ctxt: string;
        btime: string;
        processes: string;
        procs_running: string;
        procs_blocked: string;
        softirq: string;
    }

    interface CpuDetail {
        user: string;
        nice: string;
        system: string;
        idle: string;
        iowait: string;
        irq: string;
        softirq: string;
        steal: string;
        guest: string;
        guest_nice: string;
    }

    interface DiskStat {
        device_number: string;
        device_number_minor: string;
        device: string;
        reads_completed: string;
        reads_merged: string;
        sectors_read: string;
        ms_reading: string;
        writes_completed: string;
        writes_merged: string;
        sectors_written: string;
        ms_writing: string;
        ios_pending: string;
        ms_io: string;
        ms_weighted_io: string;
    }

    interface FileDescriptor {
        fd?: string;
        path: string;
        info: FileDescriptorInfo;
        stat: FileDescriptorStat | boolean;
    }

    interface FileDescriptorInfo {
        pos: string;
        flags: string;
    }

    interface FileDescriptorStat {
        dev: number;
        mode: number;
        nlink: number;
        uid: number;
        gid: number;
        rdev: number;
        blksize: number;
        ino: number;
        size: number;
        blocks: number;
        atime: Date;
        mtime: Date;
        ctime: Date;
    }

    interface MemoryInfo {
        MemTotal: string;
        MemFree: string;
        MemAvailable: string;
        Buffers: string;
        Cached: string;
        SwapCached: string;
        Active: string;
        Inactive: '136524';
        'Active(anon)': string;
        'Inactive(anon)': string;
        'Active(file)': string;
        'Inactive(file)': string;
        Unevictable: string;
        Mlocked: string;
        SwapTotal: string;
        SwapFree: string;
        Dirty: string;
        Writeback: string;
        AnonPages: string;
        Mapped: string;
        Shmem: string;
        Slab: string;
        SReclaimable: string;
        SUnreclaim: string;
        KernelStack: string;
        PageTables: string;
        NFS_Unstable: string;
        Bounce: string;
        WritebackTmp: string;
        CommitLimit: string;
        Committed_AS: string;
        VmallocTotal: string;
        VmallocUsed: string;
        VmallocChunk: string;
        AnonHugePages: string;
        HugePages_Total: string;
        HugePages_Free: string;
        HugePages_Rsvd: string;
        HugePages_Surp: string;
        Hugepagesize: string;
        DirectMap4k: string;
        DirectMap2M: string;
    }

    interface MemoryStat {
        size: string;
        resident: string;
        share: string;
        text: string;
        lib: string;
        data: string;
        dt: string;
    }

    interface Net {
        Interface: string;
        bytes: { Receive: string; Transmit: string; };
        packets: { Receive: string; Transmit: string; };
        errs: { Receive: string; Transmit: string; };
        drop: { Receive: string; Transmit: string; };
        fifo: { Receive: string; Transmit: string; };
        frame: { Receive: string; };
        compressed: { Receive: string; Transmit: string; };
        multicast: { Receive: string; };
        colls: { Transmit: string; };
        carrier: { Transmit: string; };
    }

    interface Io {
        cancelled_write_bytes: string;
        rchar: string;
        read_bytes: string;
        syscr: string;
        syscw: string;
        wchar: string;
        write_bytes: string;
    }

    interface Stat {
        pid: string;
        comm: string;
        state: string;
        ppid: string;
        pgrp: string;
        session: string;
        tty_nr: string;
        tpgid: string;
        flags: string;
        minflt: string;
        cminflt: string;
        majflt: string;
        cmajflt: string;
        utime: string;
        stime: string;
        cutime: string;
        cstime: string;
        priority: string;
        nice: string;
        num_threads: string;
        itrealvalue: string;
        starttime: string;
        vsize: string;
        rss: string;
        rsslim: string;
        startcode: string;
        endcode: string;
        startstack: string;
        kstkesp: string;
        kstkeip: string;
        signal: string;
        blocked: string;
        sigignore: string;
        sigcatch: string;
        wchan: string;
        nswap: string;
        cnswap: string;
        exit_signal: string;
        processor: string;
        rt_priority: string;
        policy: string;
        delayacct_blkio_ticks: string;
        guest_time: string;
        cguest_time: string;
    }

    interface Status {
        Name: string;
        State: string;
        Tgid: string;
        Pid: string;
        PPid: string;
        TracerPid: string;
        Uid: string;
        Gid: string;
        FDSize: string;
        Groups: string;
        VmPeak: string;
        VmSize: string;
        VmLck: string;
        VmPin: string;
        VmHWM: string;
        VmRSS: string;
        VmData: string;
        VmStk: string;
        VmExe: string;
        VmLib: string;
        VmPTE: string;
        VmSwap: string;
        Threads: string;
        SigQ: string;
        SigPnd: string;
        ShdPnd: string;
        SigBlk: string;
        SigIgn: string;
        SigCgt: string;
        CapInh: string;
        CapPrm: string;
        CapEff: string;
        CapBnd: string;
        Cpus_allowed: string;
        Cpus_allowed_list: string;
        Mems_allowed: string;
        Mems_allowed_list: string;
        voluntary_ctxt_switches: string;
        nonvoluntary_ctxt_switches: string;
    }

    interface Tcp {
        sl: string;
        local_address: string;
        rem_address: string;
        st: string;
        tx_queue: string;
        rx_queue: string;
        tr: string;
        'tm->when': string;
        retrnsmt: string;
        uid: string;
        timeout: string;
        inode: string;
        _: { [key: string]: string; };
    }

    interface Udp {
        sl: string;
        local_address: string;
        rem_address: string;
        st: string;
        tx_queue: string;
        rx_queue: string;
        tr: string;
        'tm->when': string;
        retrnsmt: string;
        uid: string;
        timeout: string;
        inode: string;
        ref: string;
        pointer: string;
        drops: string;
    }

    interface UnixSocket {
        Num: string;
        RefCount: string;
        Protocol: string;
        Flags: string;
        Type: string;
        St: string;
        Inode: string;
        Path: string;
    }

    interface Wifi {
        Interface: string;
        status: string;
        link: { Quality: string };
        level: { Quality: string };
        noise: { Quality: string };
        nwid: { 'Discarded packets': string };
        crypt: { 'Discarded packets': string };
        frag: { 'Discarded packets': string };
        retry: { 'Discarded packets': string };
        misc: { 'Discarded packets': string };
        beacon: { Missed: string };
    }

    class StatStatic {
        argv(callback: Callback<string[]>): never;
        cpu(callback: Callback<Cpu>): never;
        cwd(callback: Callback<string>): never;
        disk(callback: Callback<DiskStat[]>): never;
        env(callback: Callback<string[]>): never;
        fd(fdPath: string, callback: Callback<FileDescriptor>): never;
        fds(callback: Callback<string[]>): never;
        meminfo(callback: Callback<MemoryInfo>): never;
        net(callback: Callback<Net[]>): never;
        io(callback: Callback<Io>): never;
        stat(callback: Callback<Stat>): never;
        statm(callback: Callback<MemoryStat>): never;
        status(callback: Callback<Status>): never;
        tcp(callback: Callback<Tcp[]>): never;
        thread(tid: number): Stat;
        threads(callback: Callback<string[]>): never;
        udp(callback: Callback<Udp[]>): never;
        unix(callback: Callback<UnixSocket[]>): never;
        wifi(callback: Callback<Wifi[]>): never;
        works: boolean;
    }
}

export = procfs;