from FlatCAMTool import FlatCAMTool
from FlatCAMObj import *
from shapely.geometry import Point
from shapely import affinity
from PyQt5 import QtCore

import gettext
import FlatCAMTranslation as fcTranslate

fcTranslate.apply_language('strings')
import builtins
if '_' not in builtins.__dict__:
    _ = gettext.gettext


class DblSidedTool(FlatCAMTool):

    toolName = _("2-Sided PCB")

    def __init__(self, app):
        FlatCAMTool.__init__(self, app)

        # ## Title
        title_label = QtWidgets.QLabel("%s" % self.toolName)
        title_label.setStyleSheet("""
                        QLabel
                        {
                            font-size: 16px;
                            font-weight: bold;
                        }
                        """)
        self.layout.addWidget(title_label)

        self.empty_lb = QtWidgets.QLabel("")
        self.layout.addWidget(self.empty_lb)

        # ## Grid Layout
        grid_lay = QtWidgets.QGridLayout()
        self.layout.addLayout(grid_lay)

        # ## Gerber Object to mirror
        self.gerber_object_combo = QtWidgets.QComboBox()
        self.gerber_object_combo.setModel(self.app.collection)
        self.gerber_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
        self.gerber_object_combo.setCurrentIndex(1)

        self.botlay_label = QtWidgets.QLabel("<b>GERBER:</b>")
        self.botlay_label.setToolTip(
            "Gerber  to be mirrored."
        )

        self.mirror_gerber_button = QtWidgets.QPushButton(_("Mirror"))
        self.mirror_gerber_button.setToolTip(
            _("Mirrors (flips) the specified object around \n"
            "the specified axis. Does not create a new \n"
            "object, but modifies it.")
        )
        self.mirror_gerber_button.setFixedWidth(60)

        # grid_lay.addRow("Bottom Layer:", self.object_combo)
        grid_lay.addWidget(self.botlay_label, 0, 0)
        grid_lay.addWidget(self.gerber_object_combo, 1, 0)
        grid_lay.addWidget(self.mirror_gerber_button, 1, 1)

        # ## Excellon Object to mirror
        self.exc_object_combo = QtWidgets.QComboBox()
        self.exc_object_combo.setModel(self.app.collection)
        self.exc_object_combo.setRootModelIndex(self.app.collection.index(1, 0, QtCore.QModelIndex()))
        self.exc_object_combo.setCurrentIndex(1)

        self.excobj_label = QtWidgets.QLabel("<b>EXCELLON:</b>")
        self.excobj_label.setToolTip(
            _("Excellon Object to be mirrored.")
        )

        self.mirror_exc_button = QtWidgets.QPushButton(_("Mirror"))
        self.mirror_exc_button.setToolTip(
            _("Mirrors (flips) the specified object around \n"
            "the specified axis. Does not create a new \n"
            "object, but modifies it.")
        )
        self.mirror_exc_button.setFixedWidth(60)

        # grid_lay.addRow("Bottom Layer:", self.object_combo)
        grid_lay.addWidget(self.excobj_label, 2, 0)
        grid_lay.addWidget(self.exc_object_combo, 3, 0)
        grid_lay.addWidget(self.mirror_exc_button, 3, 1)

        # ## Geometry Object to mirror
        self.geo_object_combo = QtWidgets.QComboBox()
        self.geo_object_combo.setModel(self.app.collection)
        self.geo_object_combo.setRootModelIndex(self.app.collection.index(2, 0, QtCore.QModelIndex()))
        self.geo_object_combo.setCurrentIndex(1)

        self.geoobj_label = QtWidgets.QLabel("<b>GEOMETRY</b>:")
        self.geoobj_label.setToolTip(
            _("Geometry Obj to be mirrored.")
        )

        self.mirror_geo_button = QtWidgets.QPushButton(_("Mirror"))
        self.mirror_geo_button.setToolTip(
            _("Mirrors (flips) the specified object around \n"
            "the specified axis. Does not create a new \n"
            "object, but modifies it.")
        )
        self.mirror_geo_button.setFixedWidth(60)

        # grid_lay.addRow("Bottom Layer:", self.object_combo)
        grid_lay.addWidget(self.geoobj_label, 4, 0)
        grid_lay.addWidget(self.geo_object_combo, 5, 0)
        grid_lay.addWidget(self.mirror_geo_button, 5, 1)

        # ## Grid Layout
        grid_lay1 = QtWidgets.QGridLayout()
        self.layout.addLayout(grid_lay1)

        # ## Axis
        self.mirror_axis = RadioSet([{'label': 'X', 'value': 'X'},
                                     {'label': 'Y', 'value': 'Y'}])
        self.mirax_label = QtWidgets.QLabel(_("Mirror Axis:"))
        self.mirax_label.setToolTip(
            _("Mirror vertically (X) or horizontally (Y).")
        )
        # grid_lay.addRow("Mirror Axis:", self.mirror_axis)
        self.empty_lb1 = QtWidgets.QLabel("")
        grid_lay1.addWidget(self.empty_lb1, 6, 0)
        grid_lay1.addWidget(self.mirax_label, 7, 0)
        grid_lay1.addWidget(self.mirror_axis, 7, 1)

        # ## Axis Location
        self.axis_location = RadioSet([{'label': 'Point', 'value': 'point'},
                                       {'label': 'Box', 'value': 'box'}])
        self.axloc_label = QtWidgets.QLabel(_("Axis Ref:"))
        self.axloc_label.setToolTip(
            _("The axis should pass through a <b>point</b> or cut\n "
            "a specified <b>box</b> (in a FlatCAM object) through \n"
            "the center.")
        )
        # grid_lay.addRow("Axis Location:", self.axis_location)
        grid_lay1.addWidget(self.axloc_label, 8, 0)
        grid_lay1.addWidget(self.axis_location, 8, 1)

        self.empty_lb2 = QtWidgets.QLabel("")
        grid_lay1.addWidget(self.empty_lb2, 9, 0)

        # ## Grid Layout
        grid_lay2 = QtWidgets.QGridLayout()
        self.layout.addLayout(grid_lay2)

        # ## Point/Box
        self.point_box_container = QtWidgets.QVBoxLayout()
        self.pb_label = QtWidgets.QLabel("<b>%s</b>" % _('Point/Box Reference:'))
        self.pb_label.setToolTip(
            _("If 'Point' is selected above it store the coordinates (x, y) through which\n"
            "the mirroring axis passes.\n"
            "If 'Box' is selected above, select here a FlatCAM object (Gerber, Exc or Geo).\n"
            "Through the center of this object pass the mirroring axis selected above.")
        )

        self.add_point_button = QtWidgets.QPushButton(_("Add"))
        self.add_point_button.setToolTip(
            _("Add the coordinates in format <b>(x, y)</b> through which the mirroring axis \n "
            "selected in 'MIRROR AXIS' pass.\n"
            "The (x, y) coordinates are captured by pressing SHIFT key\n"
            "and left mouse button click on canvas or you can enter the coords manually.")
        )
        self.add_point_button.setFixedWidth(60)

        grid_lay2.addWidget(self.pb_label, 10, 0)
        grid_lay2.addLayout(self.point_box_container, 11, 0)
        grid_lay2.addWidget(self.add_point_button, 11, 1)

        self.point_entry = EvalEntry()

        self.point_box_container.addWidget(self.point_entry)
        self.box_combo = QtWidgets.QComboBox()
        self.box_combo.setModel(self.app.collection)
        self.box_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
        self.box_combo.setCurrentIndex(1)

        self.box_combo_type = QtWidgets.QComboBox()
        self.box_combo_type.addItem(_("Gerber   Reference Box Object"))
        self.box_combo_type.addItem(_("Excellon Reference Box Object"))
        self.box_combo_type.addItem(_("Geometry Reference Box Object"))

        self.point_box_container.addWidget(self.box_combo_type)
        self.point_box_container.addWidget(self.box_combo)
        self.box_combo.hide()
        self.box_combo_type.hide()


        # ## Alignment holes
        self.ah_label = QtWidgets.QLabel("<b>%s</b>" % _('Alignment Drill Coordinates:'))
        self.ah_label.setToolTip(
           _( "Alignment holes (x1, y1), (x2, y2), ... "
            "on one side of the mirror axis. For each set of (x, y) coordinates\n"
            "entered here, a pair of drills will be created:\n\n"
            "- one drill at the coordinates from the field\n"
            "- one drill in mirror position over the axis selected above in the 'Mirror Axis'.")
        )
        self.layout.addWidget(self.ah_label)

        grid_lay3 = QtWidgets.QGridLayout()
        self.layout.addLayout(grid_lay3)

        self.alignment_holes = EvalEntry()

        self.add_drill_point_button = QtWidgets.QPushButton(_("Add"))
        self.add_drill_point_button.setToolTip(
            _("Add alignment drill holes coords in the format: (x1, y1), (x2, y2), ... \n"
            "on one side of the mirror axis.\n\n"
            "The coordinates set can be obtained:\n"
            "- press SHIFT key and left mouse clicking on canvas. Then click Add.\n"
            "- press SHIFT key and left mouse clicking on canvas. Then CTRL+V in the field.\n"
            "- press SHIFT key and left mouse clicking on canvas. Then RMB click in the field and click Paste.\n"
            "- by entering the coords manually in the format: (x1, y1), (x2, y2), ...")
        )
        self.add_drill_point_button.setFixedWidth(60)

        grid_lay3.addWidget(self.alignment_holes, 0, 0)
        grid_lay3.addWidget(self.add_drill_point_button, 0, 1)

        # ## Drill diameter for alignment holes
        self.dt_label = QtWidgets.QLabel("<b>%s</b>:" % _('Alignment Drill Diameter'))
        self.dt_label.setToolTip(
            _("Diameter of the drill for the "
            "alignment holes.")
        )
        self.layout.addWidget(self.dt_label)

        hlay = QtWidgets.QHBoxLayout()
        self.layout.addLayout(hlay)

        self.drill_dia = FCEntry()
        self.dd_label = QtWidgets.QLabel(_("Drill diam.:"))
        self.dd_label.setToolTip(
            _("Diameter of the drill for the "
            "alignment holes.")
        )
        hlay.addWidget(self.dd_label)
        hlay.addWidget(self.drill_dia)

        hlay2 = QtWidgets.QHBoxLayout()
        self.layout.addLayout(hlay2)

        # ## Buttons
        self.create_alignment_hole_button = QtWidgets.QPushButton(_("Create Excellon Object"))
        self.create_alignment_hole_button.setToolTip(
            _("Creates an Excellon Object containing the\n"
            "specified alignment holes and their mirror\n"
            "images.")
        )
        hlay2.addWidget(self.create_alignment_hole_button)

        self.reset_button = QtWidgets.QPushButton(_("Reset"))
        self.reset_button.setToolTip(
            _("Resets all the fields.")
        )
        self.reset_button.setFixedWidth(60)
        hlay2.addWidget(self.reset_button)

        self.layout.addStretch()

        # ## Signals
        self.create_alignment_hole_button.clicked.connect(self.on_create_alignment_holes)
        self.mirror_gerber_button.clicked.connect(self.on_mirror_gerber)
        self.mirror_exc_button.clicked.connect(self.on_mirror_exc)
        self.mirror_geo_button.clicked.connect(self.on_mirror_geo)
        self.add_point_button.clicked.connect(self.on_point_add)
        self.add_drill_point_button.clicked.connect(self.on_drill_add)
        self.reset_button.clicked.connect(self.reset_fields)

        self.box_combo_type.currentIndexChanged.connect(self.on_combo_box_type)

        self.axis_location.group_toggle_fn = self.on_toggle_pointbox

        self.drill_values = ""

    def install(self, icon=None, separator=None, **kwargs):
        FlatCAMTool.install(self, icon, separator, shortcut='ALT+D', **kwargs)

    def run(self, toggle=True):
        self.app.report_usage("Tool2Sided()")

        if toggle:
            # if the splitter is hidden, display it, else hide it but only if the current widget is the same
            if self.app.ui.splitter.sizes()[0] == 0:
                self.app.ui.splitter.setSizes([1, 1])
            else:
                try:
                    if self.app.ui.tool_scroll_area.widget().objectName() == self.toolName:
                        self.app.ui.splitter.setSizes([0, 1])
                except AttributeError:
                    pass
        else:
            if self.app.ui.splitter.sizes()[0] == 0:
                self.app.ui.splitter.setSizes([1, 1])

        FlatCAMTool.run(self)
        self.set_tool_ui()

        self.app.ui.notebook.setTabText(2, _("2-Sided Tool"))

    def set_tool_ui(self):
        self.reset_fields()

        self.point_entry.set_value("")
        self.alignment_holes.set_value("")

        self.mirror_axis.set_value(self.app.defaults["tools_2sided_mirror_axis"])
        self.axis_location.set_value(self.app.defaults["tools_2sided_axis_loc"])
        self.drill_dia.set_value(self.app.defaults["tools_2sided_drilldia"])

    def on_combo_box_type(self):
        obj_type = self.box_combo_type.currentIndex()
        self.box_combo.setRootModelIndex(self.app.collection.index(obj_type, 0, QtCore.QModelIndex()))
        self.box_combo.setCurrentIndex(0)

    def on_create_alignment_holes(self):
        axis = self.mirror_axis.get_value()
        mode = self.axis_location.get_value()

        if mode == "point":
            try:
                px, py = self.point_entry.get_value()
            except TypeError:
                self.app.inform.emit(_("[WARNING_NOTCL] 'Point' reference is selected and 'Point' coordinates "
                                     "are missing. Add them and retry."))
                return
        else:
            selection_index = self.box_combo.currentIndex()
            model_index = self.app.collection.index(selection_index, 0, self.gerber_object_combo.rootModelIndex())
            try:
                bb_obj = model_index.internalPointer().obj
            except AttributeError:
                model_index = self.app.collection.index(selection_index, 0, self.exc_object_combo.rootModelIndex())
                try:
                    bb_obj = model_index.internalPointer().obj
                except AttributeError:
                    model_index = self.app.collection.index(selection_index, 0,
                                                            self.geo_object_combo.rootModelIndex())
                    try:
                        bb_obj = model_index.internalPointer().obj
                    except AttributeError:
                        self.app.inform.emit(
                            _("[WARNING_NOTCL] There is no Box reference object loaded. Load one and retry."))
                        return

            xmin, ymin, xmax, ymax = bb_obj.bounds()
            px = 0.5 * (xmin + xmax)
            py = 0.5 * (ymin + ymax)

        xscale, yscale = {"X": (1.0, -1.0), "Y": (-1.0, 1.0)}[axis]

        try:
            dia = float(self.drill_dia.get_value())
        except ValueError:
            # try to convert comma to decimal point. if it's still not working error message and return
            try:
                dia = float(self.drill_dia.get_value().replace(',', '.'))
                self.drill_dia.set_value(dia)
            except ValueError:
                self.app.inform.emit(_("[WARNING_NOTCL] Tool diameter value is missing or wrong format. "
                                     "Add it and retry."))
                return

        if dia is '':
            self.app.inform.emit(_("[WARNING_NOTCL] No value or wrong format in Drill Dia entry. Add it and retry."))
            return
        tools = {"1": {"C": dia}}

        # holes = self.alignment_holes.get_value()
        holes = eval('[{}]'.format(self.alignment_holes.text()))
        if not holes:
            self.app.inform.emit(_("[WARNING_NOTCL] There are no Alignment Drill Coordinates to use. Add them and retry."))
            return

        drills = []

        for hole in holes:
            point = Point(hole)
            point_mirror = affinity.scale(point, xscale, yscale, origin=(px, py))
            drills.append({"point": point, "tool": "1"})
            drills.append({"point": point_mirror, "tool": "1"})
            if 'solid_geometry' not in tools:
                tools["1"]['solid_geometry'] = []
            else:
                tools["1"]['solid_geometry'].append(point_mirror)

        def obj_init(obj_inst, app_inst):
            obj_inst.tools = tools
            obj_inst.drills = drills
            obj_inst.create_geometry()

        self.app.new_object("excellon", "Alignment Drills", obj_init)
        self.drill_values = ''
        self.app.inform.emit(_("[success] Excellon object with alignment drills created..."))

    def on_mirror_gerber(self):
        selection_index = self.gerber_object_combo.currentIndex()
        # fcobj = self.app.collection.object_list[selection_index]
        model_index = self.app.collection.index(selection_index, 0, self.gerber_object_combo.rootModelIndex())
        try:
            fcobj = model_index.internalPointer().obj
        except Exception as e:
            self.app.inform.emit(_("[WARNING_NOTCL] There is no Gerber object loaded ..."))
            return

        if not isinstance(fcobj, FlatCAMGerber):
            self.app.inform.emit(_("[ERROR_NOTCL] Only Gerber, Excellon and Geometry objects can be mirrored."))
            return

        axis = self.mirror_axis.get_value()
        mode = self.axis_location.get_value()

        if mode == "point":
            try:
                px, py = self.point_entry.get_value()
            except TypeError:
                self.app.inform.emit(_("[WARNING_NOTCL] 'Point' coordinates missing. "
                                     "Using Origin (0, 0) as mirroring reference."))
                px, py = (0, 0)

        else:
            selection_index_box = self.box_combo.currentIndex()
            model_index_box = self.app.collection.index(selection_index_box, 0, self.box_combo.rootModelIndex())
            try:
                bb_obj = model_index_box.internalPointer().obj
            except Exception as e:
                self.app.inform.emit(_("[WARNING_NOTCL] There is no Box object loaded ..."))
                return

            xmin, ymin, xmax, ymax = bb_obj.bounds()
            px = 0.5 * (xmin + xmax)
            py = 0.5 * (ymin + ymax)

        fcobj.mirror(axis, [px, py])
        self.app.object_changed.emit(fcobj)
        fcobj.plot()
        self.app.inform.emit(_("[success] Gerber %s was mirrored...") % str(fcobj.options['name']))

    def on_mirror_exc(self):
        selection_index = self.exc_object_combo.currentIndex()
        # fcobj = self.app.collection.object_list[selection_index]
        model_index = self.app.collection.index(selection_index, 0, self.exc_object_combo.rootModelIndex())
        try:
            fcobj = model_index.internalPointer().obj
        except Exception as e:
            self.app.inform.emit(_("[WARNING_NOTCL] There is no Excellon object loaded ..."))
            return

        if not isinstance(fcobj, FlatCAMExcellon):
            self.app.inform.emit(_("[ERROR_NOTCL] Only Gerber, Excellon and Geometry objects can be mirrored."))
            return

        axis = self.mirror_axis.get_value()
        mode = self.axis_location.get_value()

        if mode == "point":
            try:
                px, py = self.point_entry.get_value()
            except Exception as e:
                log.debug("DblSidedTool.on_mirror_geo() --> %s" % str(e))
                self.app.inform.emit(_("[WARNING_NOTCL] There are no Point coordinates in the Point field. "
                                     "Add coords and try again ..."))
                return
        else:
            selection_index_box = self.box_combo.currentIndex()
            model_index_box = self.app.collection.index(selection_index_box, 0, self.box_combo.rootModelIndex())
            try:
                bb_obj = model_index_box.internalPointer().obj
            except Exception as e:
                log.debug("DblSidedTool.on_mirror_geo() --> %s" % str(e))
                self.app.inform.emit(_("[WARNING_NOTCL] There is no Box object loaded ..."))
                return

            xmin, ymin, xmax, ymax = bb_obj.bounds()
            px = 0.5 * (xmin + xmax)
            py = 0.5 * (ymin + ymax)

        fcobj.mirror(axis, [px, py])
        self.app.object_changed.emit(fcobj)
        fcobj.plot()
        self.app.inform.emit(_("[success] Excellon %s was mirrored...") % str(fcobj.options['name']))

    def on_mirror_geo(self):
        selection_index = self.geo_object_combo.currentIndex()
        # fcobj = self.app.collection.object_list[selection_index]
        model_index = self.app.collection.index(selection_index, 0, self.geo_object_combo.rootModelIndex())
        try:
            fcobj = model_index.internalPointer().obj
        except Exception as e:
            self.app.inform.emit(_("[WARNING_NOTCL] There is no Geometry object loaded ..."))
            return

        if not isinstance(fcobj, FlatCAMGeometry):
            self.app.inform.emit(_("[ERROR_NOTCL] Only Gerber, Excellon and Geometry objects can be mirrored."))
            return

        axis = self.mirror_axis.get_value()
        mode = self.axis_location.get_value()

        if mode == "point":
            px, py = self.point_entry.get_value()
        else:
            selection_index_box = self.box_combo.currentIndex()
            model_index_box = self.app.collection.index(selection_index_box, 0, self.box_combo.rootModelIndex())
            try:
                bb_obj = model_index_box.internalPointer().obj
            except Exception as e:
                self.app.inform.emit(_("[WARNING_NOTCL] There is no Box object loaded ..."))
                return

            xmin, ymin, xmax, ymax = bb_obj.bounds()
            px = 0.5 * (xmin + xmax)
            py = 0.5 * (ymin + ymax)

        fcobj.mirror(axis, [px, py])
        self.app.object_changed.emit(fcobj)
        fcobj.plot()
        self.app.inform.emit(_("[success] Geometry %s was mirrored...") % str(fcobj.options['name']))

    def on_point_add(self):
        val = self.app.defaults["global_point_clipboard_format"] % (self.app.pos[0], self.app.pos[1])
        self.point_entry.set_value(val)

    def on_drill_add(self):
        self.drill_values += (self.app.defaults["global_point_clipboard_format"] %
                              (self.app.pos[0], self.app.pos[1])) + ','
        self.alignment_holes.set_value(self.drill_values)

    def on_toggle_pointbox(self):
        if self.axis_location.get_value() == "point":
            self.point_entry.show()
            self.box_combo.hide()
            self.box_combo_type.hide()
            self.add_point_button.setDisabled(False)
        else:
            self.point_entry.hide()
            self.box_combo.show()
            self.box_combo_type.show()
            self.add_point_button.setDisabled(True)

    def reset_fields(self):
        self.gerber_object_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))
        self.exc_object_combo.setRootModelIndex(self.app.collection.index(1, 0, QtCore.QModelIndex()))
        self.geo_object_combo.setRootModelIndex(self.app.collection.index(2, 0, QtCore.QModelIndex()))
        self.box_combo.setRootModelIndex(self.app.collection.index(0, 0, QtCore.QModelIndex()))

        self.gerber_object_combo.setCurrentIndex(0)
        self.exc_object_combo.setCurrentIndex(0)
        self.geo_object_combo.setCurrentIndex(0)
        self.box_combo.setCurrentIndex(0)
        self.box_combo_type.setCurrentIndex(0)


        self.drill_values = ""