variable {M : Type}

namespace Wayland.Native

structure Message where
  name : String
  signature : String
  types : Array (Option String)

structure Interface where
  name : String
  version : UInt32
  requests : Array Message
  events : Array Message

private opaque DisplayP : NonemptyType
private opaque EventLoopP (M : Type) : NonemptyType
private opaque EventSourceP : NonemptyType
private opaque TypeMapP : NonemptyType
private opaque ArgumentBufferP : NonemptyType
private opaque ProxyP : NonemptyType

def Display : Type := DisplayP.type
def EventLoop (M : Type) : Type := (EventLoopP M).type
def EventSource : Type := EventSourceP.type
def TypeMap : Type := TypeMapP.type
def ArgumentBuffer : Type := ArgumentBufferP.type
def Proxy : Type := ProxyP.type

instance : Nonempty Display := DisplayP.property
instance : Nonempty (EventLoop M) := (EventLoopP M).property
instance : Nonempty EventSource := EventSourceP.property
instance : Nonempty TypeMap := TypeMapP.property
instance : Nonempty ArgumentBuffer := ArgumentBufferP.property
instance : Nonempty Proxy := ProxyP.property

@[extern "waylean_SIGINT"]
opaque SIGINT (u : Unit) : UInt32

@[extern "waylean_SIGUSR1"]
opaque SIGUSR1 (u : Unit) : UInt32

@[extern "waylean_SIGUSR2"]
opaque SIGUSR2 (u : Unit) : UInt32

@[extern "waylean_display_new"]
opaque Display.new : (name : @& Option String) → IO Display

@[extern "waylean_event_loop_new"]
opaque EventLoop.new : IO (EventLoop M)

@[extern "waylean_event_loop_add_display"]
opaque EventLoop.addDisplay : (eventLoop : @& (EventLoop M)) → (display : @& Display) → IO EventSource

@[extern "waylean_event_loop_add_timer"]
opaque EventLoop.addTimer : (eventLoop : @& (EventLoop M)) → (delayMs : UInt32) → (msg : @& M) → IO EventSource

@[extern "waylean_event_loop_add_signal"]
opaque EventLoop.addSignal : (eventLoop : @& (EventLoop M)) → (signum : UInt32) → (msg : @& M) → IO EventSource

@[extern "waylean_event_loop_remove"]
opaque EventLoop.remove : (eventLoop : @& (EventLoop M)) → (source : @& EventSource) → IO Unit

@[extern "waylean_event_loop_quit"]
opaque EventLoop.quit : (eventLoop : @& (EventLoop M)) → IO Unit

@[extern "waylean_event_loop_poll"]
opaque EventLoop.poll : (eventLoop : @& (EventLoop M)) → IO (Option M)

@[extern "waylean_type_map_new"]
opaque TypeMap.new : IO TypeMap

@[extern "waylean_type_map_contains"]
opaque TypeMap.contains : (typeMap : @& TypeMap) → (ifaceName : @& String) → IO Bool

@[extern "waylean_type_map_register"]
opaque TypeMap.register : (typeMap : @& TypeMap) → (ifaceDesc : @& Interface) → IO Unit

@[extern "waylean_argument_buffer_new"]
opaque ArgumentBuffer.new : IO ArgumentBuffer

@[extern "waylean_argument_buffer_write_int"]
opaque ArgumentBuffer.writeInt : (writer : @& ArgumentBuffer) → (value : Int32) → IO Unit

@[extern "waylean_argument_buffer_write_uint"]
opaque ArgumentBuffer.writeUInt : (writer : @& ArgumentBuffer) → (value : UInt32) → IO Unit

@[extern "waylean_argument_buffer_write_fixed"]
opaque ArgumentBuffer.writeFloat : (writer : @& ArgumentBuffer) → (value : Float) → IO Unit

@[extern "waylean_argument_buffer_write_string"]
opaque ArgumentBuffer.writeString : (writer : @& ArgumentBuffer) → (value : @& Option String) → IO Unit

@[extern "waylean_argument_buffer_write_object"]
opaque ArgumentBuffer.writeObject : (writer : @& ArgumentBuffer) → (value : @& Option Proxy) → IO Unit

@[extern "waylean_argument_buffer_write_new_id"]
opaque ArgumentBuffer.writeNewID : (writer : @& ArgumentBuffer) → (value : @& Proxy) → IO Unit

@[extern "waylean_argument_buffer_write_array"]
opaque ArgumentBuffer.writeArray : (writer : @& ArgumentBuffer) → (value : @& ByteArray) → IO Unit

@[extern "waylean_argument_buffer_write_fd"]
opaque ArgumentBuffer.writeFD : (writer : @& ArgumentBuffer) → (value : Int32) → IO Unit

@[extern "waylean_argument_buffer_read_int"]
opaque ArgumentBuffer.readInt : (reader : @& ArgumentBuffer) → IO Int32

@[extern "waylean_argument_buffer_read_uint"]
opaque ArgumentBuffer.readUInt : (reader : @& ArgumentBuffer) → IO Int32

@[extern "waylean_argument_buffer_read_fixed"]
opaque ArgumentBuffer.readFixed : (reader : @& ArgumentBuffer) → IO Float

@[extern "waylean_argument_buffer_read_string"]
opaque ArgumentBuffer.readString : (reader : @& ArgumentBuffer) → IO (Option String)

@[extern "waylean_argument_buffer_read_object"]
opaque ArgumentBuffer.readObject : (reader : @& ArgumentBuffer) → IO (Option Proxy)

@[extern "waylean_argument_buffer_read_new_id"]
opaque ArgumentBuffer.readNewID : (reader : @& ArgumentBuffer) → IO UInt32

@[extern "waylean_argument_buffer_read_array"]
opaque ArgumentBuffer.readArray : (reader : @& ArgumentBuffer) → IO ByteArray

@[extern "waylean_argument_buffer_read_fd"]
opaque ArgumentBuffer.readFD : (reader : @& ArgumentBuffer) → IO Int32

@[extern "waylean_proxy_from_display"]
opaque Proxy.fromDisplay : (display : Display) → IO Proxy

@[extern "waylean_proxy_new"]
opaque Proxy.new : (factory : @& Proxy) → (typeMap : @& TypeMap) → (ifaceName : @& String) → IO Proxy

@[extern "waylean_proxy_send"]
opaque Proxy.send : (proxy : @& Proxy) → (opcode : UInt32) → (argumentBuffer : @& ArgumentBuffer) → IO Unit

@[extern "waylean_proxy_listen"]
opaque Proxy.listen : (proxy : @& Proxy) → (handler : UInt32 → ArgumentBuffer → EventLoop M × M) → IO Unit

end Wayland.Native