# Copyright (c) 2018 Ultimaker B.V.
# Cura is released under the terms of the LGPLv3 or higher.

from PyQt5.QtCore import pyqtProperty, QObject, pyqtSignal
from typing import List

MYPY = False
if MYPY:
    from cura.PrinterOutput.ExtruderConfigurationModel import ExtruderConfigurationModel


class ConfigurationModel(QObject):

    configurationChanged = pyqtSignal()

    def __init__(self):
        super().__init__()
        self._printer_type = None
        self._extruder_configurations = []     # type: List[ExtruderConfigurationModel]
        self._buildplate_configuration = None

    def setPrinterType(self, printer_type):
        self._printer_type = printer_type

    @pyqtProperty(str, fset = setPrinterType, notify = configurationChanged)
    def printerType(self):
        return self._printer_type

    def setExtruderConfigurations(self, extruder_configurations):
        self._extruder_configurations = extruder_configurations

    @pyqtProperty("QVariantList", fset = setExtruderConfigurations, notify = configurationChanged)
    def extruderConfigurations(self):
        return self._extruder_configurations

    def setBuildplateConfiguration(self, buildplate_configuration):
        self._buildplate_configuration = buildplate_configuration

    @pyqtProperty(str, fset = setBuildplateConfiguration, notify = configurationChanged)
    def buildplateConfiguration(self):
        return self._buildplate_configuration

    def __str__(self):
        info =  "Printer type: " + self._printer_type + "\n"
        info += "Extruders: [\n"
        for configuration in self._extruder_configurations:
            info += "   " + str(configuration) + "\n"
        info += "]"
        if self._buildplate_configuration is not None:
            info +=  "\nBuildplate: " + self._buildplate_configuration
        return info

    def __eq__(self, other):
        return hash(self) == hash(other)

    def __hash__(self):
        extruder_hash = hash(0)
        first_extruder = None
        for configuration in self._extruder_configurations:
            extruder_hash ^= hash(configuration)
            if configuration.position == 0:
                first_extruder = configuration
        if first_extruder:
            extruder_hash &= hash(first_extruder)

        return hash(self._printer_type) ^ extruder_hash ^ hash(self._buildplate_configuration)