#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#
# SPDX-License-Identifier: GPL-3.0
#
# GNU Radio Python Flow Graph
# Title: Not titled yet
# GNU Radio version: 3.10.11.0

from PyQt5 import Qt
from gnuradio import qtgui
from gnuradio import filter
from gnuradio.filter import firdes
from gnuradio import gr
from gnuradio.fft import window
import sys
import signal
from PyQt5 import Qt
from argparse import ArgumentParser
from gnuradio.eng_arg import eng_float, intx
from gnuradio import eng_notation
from gnuradio import network
from gnuradio import soapy
import gnuradio.lora_sdr as lora_sdr
import lora_epy_block_0 as epy_block_0  # embedded python block
import threading



class lora(gr.top_block, Qt.QWidget):

    def __init__(self):
        gr.top_block.__init__(self, "Not titled yet", catch_exceptions=True)
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Not titled yet")
        qtgui.util.check_set_qss()
        try:
            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except BaseException as exc:
            print(f"Qt GUI: Could not set Icon: {str(exc)}", file=sys.stderr)
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("gnuradio/flowgraphs", "lora")

        try:
            geometry = self.settings.value("geometry")
            if geometry:
                self.restoreGeometry(geometry)
        except BaseException as exc:
            print(f"Qt GUI: Could not restore geometry: {str(exc)}", file=sys.stderr)
        self.flowgraph_started = threading.Event()

        ##################################################
        # Blocks
        ##################################################

        self.soapy_bladerf_source_0 = None
        dev = 'driver=bladerf'
        stream_args = ''
        tune_args = ['']
        settings = ['']

        self.soapy_bladerf_source_0 = soapy.source(dev, "fc32", 1, 'driver=bladerf',
                                  stream_args, tune_args, settings)
        self.soapy_bladerf_source_0.set_sample_rate(0, 2000000)
        self.soapy_bladerf_source_0.set_bandwidth(0, 2000000)
        self.soapy_bladerf_source_0.set_frequency(0, 433270452)
        self.soapy_bladerf_source_0.set_frequency_correction(0, 0)
        self.soapy_bladerf_source_0.set_gain(0, min(max(50, -1.0), 60.0))
        self.network_socket_pdu_0 = network.socket_pdu('UDP_CLIENT', '127.0.0.1', '7355', 512, False)
        self.lora_rx_0 = lora_sdr.lora_sdr_lora_rx( bw=250000, cr=1, has_crc=True, impl_head=False, pay_len=255, samp_rate=1000000, sf=11, sync_word=[0x2B], soft_decoding=True, ldro_mode=2, print_rx=[False,False])
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(2, firdes.low_pass(1.0, 2000000, 150000, 50000), (-145452), 2000000)
        self.freq_xlating_fir_filter_xxx_0.set_min_output_buffer(16384)
        self.epy_block_0 = epy_block_0.blk(print_drops=True)


        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.epy_block_0, 'pdus'), (self.network_socket_pdu_0, 'pdus'))
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.lora_rx_0, 0))
        self.connect((self.lora_rx_0, 0), (self.epy_block_0, 0))
        self.connect((self.soapy_bladerf_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))


    def closeEvent(self, event):
        self.settings = Qt.QSettings("gnuradio/flowgraphs", "lora")
        self.settings.setValue("geometry", self.saveGeometry())
        self.stop()
        self.wait()

        event.accept()




def main(top_block_cls=lora, options=None):

    qapp = Qt.QApplication(sys.argv)

    tb = top_block_cls()

    tb.start()
    tb.flowgraph_started.set()

    tb.show()

    def sig_handler(sig=None, frame=None):
        tb.stop()
        tb.wait()

        Qt.QApplication.quit()

    signal.signal(signal.SIGINT, sig_handler)
    signal.signal(signal.SIGTERM, sig_handler)

    timer = Qt.QTimer()
    timer.start(500)
    timer.timeout.connect(lambda: None)

    qapp.exec_()

if __name__ == '__main__':
    main()