import std/[logging, strformat]
import jacket

var log = newConsoleLogger(when defined(release): lvlInfo else: lvlDebug)


proc main() =
    addHandler(log)

    let size = 32
    var read, written: int
    var data = [0x64.uint8, 0x65, 0x61, 0x64, 0x62, 0x65, 0x65, 0x66]
    var recvBuf: array[8, uint8]

    let rb = ringbufferCreate(size.csize_t)
    debug fmt"Created ringbuffer of {size} bytes size."

    doAssert ringbufferReadSpace(rb) == 0

    written = cast[int](ringbufferWrite(rb, cast[cstring](data.addr), 4))
    doAssert written == 4
    debug fmt"Written {written} bytes to ringbuffer."

    doAssert ringbufferReadSpace(rb) == 4

    written = cast[int](ringbufferWrite(rb, cast[cstring](data[4].addr), 4))
    doAssert written == 4
    debug fmt"Written {written} bytes to ringbuffer."

    doAssert ringbufferReadSpace(rb) == 8

    read = cast[int](ringbufferRead(rb, cast[cstring](recvBuf.addr), 4))
    doAssert read == 4
    debug fmt"Read {read} bytes from ringbuffer into receive buffer: {recvBuf}"

    doAssert ringbufferReadSpace(rb) == 4

    read = cast[int](ringbufferRead(rb, cast[cstring](recvBuf[4].addr), 4))
    doAssert read == 4
    debug fmt"Read {read} bytes from ringbuffer into receive buffer: {recvBuf}"

    doAssert ringbufferReadSpace(rb) == 0

    debug "Freeing ringbuffer memory."
    ringbufferFree(rb)


when(isMainModule):
    main()