// This source file is generated automatically from xtest.xml

use crate::base::{self, BaseError, BaseEvent, GeEvent, Raw, Reply, WiredIn, WiredOut, Xid};
use crate::ext;
use crate::ffi::base::*;
use crate::ffi::ext::*;
use crate::lat1_str::{Lat1Str, Lat1String, Lat1StrF};
use crate::xproto;
use crate::xproto::PropEl;

use bitflags::bitflags;
use libc::{self, iovec};
use std::convert::TryInto;
use std::hash::{Hash, Hasher};
use std::os::unix::io::RawFd;

/// The official identifier for the `Test` extension.
pub const XNAME: &str = "XTEST";
/// The major version of the `Test` extension.
pub const MAJOR_VERSION: u32 = 2;
/// The minor version of the `Test` extension.
pub const MINOR_VERSION: u32 = 2;
/// The version string of the `Test` extension.
pub const VERSION_STRING: &str = "2.2";

pub(crate) static mut FFI_EXT: xcb_extension_t = xcb_extension_t {
    name: "XTEST\0".as_ptr() as *const _,
    global_id: 0,
};

/// Prefetch server runtime info data of the `Test` extension.
pub fn prefetch_extension_data(conn: &base::Connection) {
    unsafe {
        xcb_prefetch_extension_data(conn.get_raw_conn(), &mut FFI_EXT as *mut _);
    }
}

/// Fetch server runtime info data of the `Test` extension.
///
/// Might be non-blocking if [prefetch_extension_data] was called before.
/// This function is of seldom use as the extensions are initialized by the
/// [Connection](crate::Connection) constructor.
pub fn get_extension_data(conn: &base::Connection) -> std::option::Option<ext::ExtensionData> {
    unsafe {
        let reply = xcb_get_extension_data(conn.get_raw_conn(), &mut FFI_EXT as *mut _);
        assert!(!reply.is_null(), "Could not fetch Test extension data");
        let reply = xproto::QueryExtensionReply::from_raw(reply);
        if !reply.present() {
            std::mem::forget(reply);
            return None;
        }
        let res = ext::ExtensionData{
            ext: ext::Extension::Test,
            major_opcode: reply.major_opcode(),
            first_event: reply.first_event(),
            first_error: reply.first_error(),
        };
        std::mem::forget(reply);
        Some(res)
    }
}

#[derive(Copy, Clone, Debug, PartialEq)]
#[repr(u32)]
pub enum Cursor {
    None = 0,
    Current = 1,
}

pub(crate) fn request_name(opcode: u16) -> std::option::Option<&'static str> {
    match opcode {
        0 => Some("xtest::GetVersion"),
        1 => Some("xtest::CompareCursor"),
        2 => Some("xtest::FakeInput"),
        3 => Some("xtest::GrabControl"),
        _ => None,
    }
}

/// Reply type for [GetVersion].
///
/// Can be obtained from a [GetVersionCookie] with [Connection::wait_for_reply](crate::Connection::wait_for_reply)
/// or from a [GetVersionCookieUnchecked] with [Connection::wait_for_reply_unchecked](crate::Connection::wait_for_reply_unchecked)
pub struct GetVersionReply {
    raw: *const u8,
}

impl GetVersionReply {

    fn wire_ptr(&self) -> *const u8 {
        self.raw
    }

    fn wire_len(&self) -> usize {
        (32 + self.length() * 4) as _
    }

    pub fn response_type(&self) -> u8 {
        unsafe {
            let offset = 0usize;
            let ptr = self.wire_ptr().add(offset) as *const u8;
            *ptr
        }
    }

    pub fn major_version(&self) -> u8 {
        unsafe {
            let offset = 1usize;
            let ptr = self.wire_ptr().add(offset) as *const u8;
            *ptr
        }
    }

    pub fn sequence(&self) -> u16 {
        unsafe {
            let offset = 2usize;
            let ptr = self.wire_ptr().add(offset) as *const u16;
            *ptr
        }
    }

    pub fn length(&self) -> u32 {
        unsafe {
            let offset = 4usize;
            let ptr = self.wire_ptr().add(offset) as *const u32;
            *ptr
        }
    }

    pub fn minor_version(&self) -> u16 {
        unsafe {
            let offset = 8usize;
            let ptr = self.wire_ptr().add(offset) as *const u16;
            *ptr
        }
    }
}

impl base::Reply for GetVersionReply {
    unsafe fn from_raw(raw: *const u8) -> Self {
        Self { raw }
    }

    unsafe fn into_raw(self) -> *const u8 {
        let raw = self.raw;
        std::mem::forget(self);
        raw
    }
}

impl std::fmt::Debug for GetVersionReply {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("GetVersionReply")
            .field("response_type", &self.response_type())
            .field("major_version", &self.major_version())
            .field("sequence", &self.sequence())
            .field("length", &self.length())
            .field("minor_version", &self.minor_version())
            .finish()
    }
}

impl Drop for GetVersionReply {
    fn drop(&mut self) {
        unsafe { libc::free(self.raw as *mut _); }
    }
}

unsafe impl std::marker::Send for GetVersionReply {}
unsafe impl std::marker::Sync for GetVersionReply {}

/// Cookie type for [GetVersion].
///
/// This cookie can be used to get a [GetVersionReply]
/// with [Connection::wait_for_reply](crate::Connection::wait_for_reply)
#[derive(Debug)]
pub struct GetVersionCookie {
    seq: u64,
}

#[derive(Debug)]
/// Unchecked cookie type for [GetVersion].
///
/// This cookie can be used to get a [GetVersionReply]
/// with [Connection::wait_for_reply_unchecked](crate::Connection::wait_for_reply_unchecked)
pub struct GetVersionCookieUnchecked {
    seq: u64,
}

impl base::Cookie for GetVersionCookie {
    unsafe fn from_sequence(seq: u64) -> Self {
        GetVersionCookie { seq }
    }

    fn sequence(&self) -> u64 {
        self.seq
    }
}

unsafe impl base::CookieChecked for GetVersionCookie {
}

unsafe impl base::CookieWithReplyChecked for GetVersionCookie {
    type Reply = GetVersionReply;
}

impl base::Cookie for GetVersionCookieUnchecked {
    unsafe fn from_sequence(seq: u64) -> Self {
        GetVersionCookieUnchecked { seq }
    }

    fn sequence(&self) -> u64 {
        self.seq
    }
}

unsafe impl base::CookieWithReplyUnchecked for GetVersionCookieUnchecked {
    type Reply = GetVersionReply;
}

/// The `GetVersion` request.
///
/// This request replies [GetVersionReply].
///
/// Associated cookie types are [GetVersionCookie] and [GetVersionCookieUnchecked].
#[derive(Clone, Debug)]
pub struct GetVersion {
    pub major_version: u8,
    pub minor_version: u16,
}

unsafe impl base::RawRequest for GetVersion {
    fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
        let mut protocol_request = xcb_protocol_request_t {
            count: 2,
            ext: (&mut FFI_EXT) as *mut _,
            opcode: 0,
            isvoid: 0,
        };

        let mut sections: [iovec; 4] = [iovec {
            iov_base: std::ptr::null_mut(),
            iov_len: 0,
        }; 4];

        let buf0: &mut [u8] = &mut [0; 8];
        self.major_version.serialize(&mut buf0[4 .. ]);
        self.minor_version.serialize(&mut buf0[6 .. ]);
        sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
        sections[2].iov_len = 8;
        sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);

        let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };

        xcb_send_request64(
            c.get_raw_conn(),
            flags.bits() as _,
            sections.as_mut_ptr().add(2),
            &mut protocol_request as *mut _,
        )
    }
}}

impl base::Request for GetVersion {
    type Cookie = GetVersionCookie;
    const IS_VOID: bool = false;
}

impl base::RequestWithReply for GetVersion {
    type Reply = GetVersionReply;
    type Cookie = GetVersionCookie;
    type CookieUnchecked = GetVersionCookieUnchecked;
}

/// Reply type for [CompareCursor].
///
/// Can be obtained from a [CompareCursorCookie] with [Connection::wait_for_reply](crate::Connection::wait_for_reply)
/// or from a [CompareCursorCookieUnchecked] with [Connection::wait_for_reply_unchecked](crate::Connection::wait_for_reply_unchecked)
pub struct CompareCursorReply {
    raw: *const u8,
}

impl CompareCursorReply {

    fn wire_ptr(&self) -> *const u8 {
        self.raw
    }

    fn wire_len(&self) -> usize {
        (32 + self.length() * 4) as _
    }

    pub fn response_type(&self) -> u8 {
        unsafe {
            let offset = 0usize;
            let ptr = self.wire_ptr().add(offset) as *const u8;
            *ptr
        }
    }

    pub fn same(&self) -> bool {
        let val = unsafe { *(self.wire_ptr().add(1usize)) };
        val != 0
    }

    pub fn sequence(&self) -> u16 {
        unsafe {
            let offset = 2usize;
            let ptr = self.wire_ptr().add(offset) as *const u16;
            *ptr
        }
    }

    pub fn length(&self) -> u32 {
        unsafe {
            let offset = 4usize;
            let ptr = self.wire_ptr().add(offset) as *const u32;
            *ptr
        }
    }
}

impl base::Reply for CompareCursorReply {
    unsafe fn from_raw(raw: *const u8) -> Self {
        Self { raw }
    }

    unsafe fn into_raw(self) -> *const u8 {
        let raw = self.raw;
        std::mem::forget(self);
        raw
    }
}

impl std::fmt::Debug for CompareCursorReply {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("CompareCursorReply")
            .field("response_type", &self.response_type())
            .field("same", &self.same())
            .field("sequence", &self.sequence())
            .field("length", &self.length())
            .finish()
    }
}

impl Drop for CompareCursorReply {
    fn drop(&mut self) {
        unsafe { libc::free(self.raw as *mut _); }
    }
}

unsafe impl std::marker::Send for CompareCursorReply {}
unsafe impl std::marker::Sync for CompareCursorReply {}

/// Cookie type for [CompareCursor].
///
/// This cookie can be used to get a [CompareCursorReply]
/// with [Connection::wait_for_reply](crate::Connection::wait_for_reply)
#[derive(Debug)]
pub struct CompareCursorCookie {
    seq: u64,
}

#[derive(Debug)]
/// Unchecked cookie type for [CompareCursor].
///
/// This cookie can be used to get a [CompareCursorReply]
/// with [Connection::wait_for_reply_unchecked](crate::Connection::wait_for_reply_unchecked)
pub struct CompareCursorCookieUnchecked {
    seq: u64,
}

impl base::Cookie for CompareCursorCookie {
    unsafe fn from_sequence(seq: u64) -> Self {
        CompareCursorCookie { seq }
    }

    fn sequence(&self) -> u64 {
        self.seq
    }
}

unsafe impl base::CookieChecked for CompareCursorCookie {
}

unsafe impl base::CookieWithReplyChecked for CompareCursorCookie {
    type Reply = CompareCursorReply;
}

impl base::Cookie for CompareCursorCookieUnchecked {
    unsafe fn from_sequence(seq: u64) -> Self {
        CompareCursorCookieUnchecked { seq }
    }

    fn sequence(&self) -> u64 {
        self.seq
    }
}

unsafe impl base::CookieWithReplyUnchecked for CompareCursorCookieUnchecked {
    type Reply = CompareCursorReply;
}

/// The `CompareCursor` request.
///
/// This request replies [CompareCursorReply].
///
/// Associated cookie types are [CompareCursorCookie] and [CompareCursorCookieUnchecked].
#[derive(Clone, Debug)]
pub struct CompareCursor {
    pub window: xproto::Window,
    pub cursor: xproto::Cursor,
}

unsafe impl base::RawRequest for CompareCursor {
    fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
        let mut protocol_request = xcb_protocol_request_t {
            count: 2,
            ext: (&mut FFI_EXT) as *mut _,
            opcode: 1,
            isvoid: 0,
        };

        let mut sections: [iovec; 4] = [iovec {
            iov_base: std::ptr::null_mut(),
            iov_len: 0,
        }; 4];

        let buf0: &mut [u8] = &mut [0; 12];
        self.window.serialize(&mut buf0[4 .. ]);
        self.cursor.serialize(&mut buf0[8 .. ]);
        sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
        sections[2].iov_len = 12;
        sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);

        let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };

        xcb_send_request64(
            c.get_raw_conn(),
            flags.bits() as _,
            sections.as_mut_ptr().add(2),
            &mut protocol_request as *mut _,
        )
    }
}}

impl base::Request for CompareCursor {
    type Cookie = CompareCursorCookie;
    const IS_VOID: bool = false;
}

impl base::RequestWithReply for CompareCursor {
    type Reply = CompareCursorReply;
    type Cookie = CompareCursorCookie;
    type CookieUnchecked = CompareCursorCookieUnchecked;
}

/// The `FakeInput` request.
///
/// This request has no reply.
///
/// Associated cookie types are [VoidCookie](crate::VoidCookie) and [VoidCookieChecked](crate::VoidCookieChecked).
#[derive(Clone, Debug)]
pub struct FakeInput {
    pub r#type: u8,
    pub detail: u8,
    pub time: u32,
    pub root: xproto::Window,
    pub root_x: i16,
    pub root_y: i16,
    pub deviceid: u8,
}

unsafe impl base::RawRequest for FakeInput {
    fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
        let mut protocol_request = xcb_protocol_request_t {
            count: 2,
            ext: (&mut FFI_EXT) as *mut _,
            opcode: 2,
            isvoid: 1,
        };

        let mut sections: [iovec; 4] = [iovec {
            iov_base: std::ptr::null_mut(),
            iov_len: 0,
        }; 4];

        let buf0: &mut [u8] = &mut [0; 36];
        self.r#type.serialize(&mut buf0[4 .. ]);
        self.detail.serialize(&mut buf0[5 .. ]);
        self.time.serialize(&mut buf0[8 .. ]);
        self.root.serialize(&mut buf0[12 .. ]);
        self.root_x.serialize(&mut buf0[24 .. ]);
        self.root_y.serialize(&mut buf0[26 .. ]);
        self.deviceid.serialize(&mut buf0[35 .. ]);
        sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
        sections[2].iov_len = 36;
        sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);

        let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };

        xcb_send_request64(
            c.get_raw_conn(),
            flags.bits() as _,
            sections.as_mut_ptr().add(2),
            &mut protocol_request as *mut _,
        )
    }
}}

impl base::Request for FakeInput {
    type Cookie = base::VoidCookie;
    const IS_VOID: bool = true;
}

impl base::RequestWithoutReply for FakeInput {
}

/// The `GrabControl` request.
///
/// This request has no reply.
///
/// Associated cookie types are [VoidCookie](crate::VoidCookie) and [VoidCookieChecked](crate::VoidCookieChecked).
#[derive(Clone, Debug)]
pub struct GrabControl {
    pub impervious: bool,
}

unsafe impl base::RawRequest for GrabControl {
    fn raw_request(&self, c: &base::Connection, checked: bool) -> u64 { unsafe {
        let mut protocol_request = xcb_protocol_request_t {
            count: 2,
            ext: (&mut FFI_EXT) as *mut _,
            opcode: 3,
            isvoid: 1,
        };

        let mut sections: [iovec; 4] = [iovec {
            iov_base: std::ptr::null_mut(),
            iov_len: 0,
        }; 4];

        let buf0: &mut [u8] = &mut [0; 8];
        (if self.impervious { 1u8 } else { 0u8 }).serialize(&mut buf0[4 .. ]);
        sections[2].iov_base = buf0.as_mut_ptr() as *mut _;
        sections[2].iov_len = 8;
        sections[3].iov_len = base::align_pad(sections[2].iov_len, 4);

        let flags = if checked { base::RequestFlags::CHECKED } else { base::RequestFlags::NONE };

        xcb_send_request64(
            c.get_raw_conn(),
            flags.bits() as _,
            sections.as_mut_ptr().add(2),
            &mut protocol_request as *mut _,
        )
    }
}}

impl base::Request for GrabControl {
    type Cookie = base::VoidCookie;
    const IS_VOID: bool = true;
}

impl base::RequestWithoutReply for GrabControl {
}