import re
import logging
import gi

gi.require_version("Gtk", "3.0")
from gi.repository import Gtk
from ks_includes.KlippyGcodes import KlippyGcodes
from ks_includes.screen_panel import ScreenPanel


class Panel(ScreenPanel):
    distances = [".1", ".5", "1", "5", "10", "25", "50"]
    distance = distances[-2]

    def __init__(self, screen, title):
        title = title or _("Move")
        super().__init__(screen, title)

        if self.ks_printer_cfg is not None:
            dis = self.ks_printer_cfg.get("move_distances", "")
            if re.match(r"^[0-9,\.\s]+$", dis):
                dis = [str(i.strip()) for i in dis.split(",")]
                if 1 < len(dis) <= 7:
                    self.distances = dis
                    self.distance = self.distances[-2]

        self.settings = {}
        self.menu.append("move_menu")
        self.buttons = {
            "x+": self._gtk.Button("arrow-right", "X+", "color1"),
            "x-": self._gtk.Button("arrow-left", "X-", "color1"),
            "y+": self._gtk.Button("arrow-up", "Y+", "color2"),
            "y-": self._gtk.Button("arrow-down", "Y-", "color2"),
            "z+": self._gtk.Button("z-farther", "Z+", "color3"),
            "z-": self._gtk.Button("z-closer", "Z-", "color3"),
            "home": self._gtk.Button("home", _("Home"), "color4"),
            "motors_off": self._gtk.Button("motor-off", _("Disable Motors"), "color4"),
        }
        self.buttons["x+"].connect("clicked", self.move, "X", "+")
        self.buttons["x-"].connect("clicked", self.move, "X", "-")
        self.buttons["y+"].connect("clicked", self.move, "Y", "+")
        self.buttons["y-"].connect("clicked", self.move, "Y", "-")
        self.buttons["z+"].connect("clicked", self.move, "Z", "+")
        self.buttons["z-"].connect("clicked", self.move, "Z", "-")
        self.buttons["home"].connect("clicked", self.home)
        script = {"script": "M18"}
        self.buttons["motors_off"].connect(
            "clicked",
            self._screen._confirm_send_action,
            _("Are you sure you wish to disable motors?"),
            "printer.gcode.script",
            script,
        )
        adjust = self._gtk.Button(
            "settings", None, "color2", 1, Gtk.PositionType.LEFT, 1
        )
        adjust.connect("clicked", self.menu_item_clicked, {"panel": "move_setting"})
        adjust.set_hexpand(False)
        grid = Gtk.Grid(row_homogeneous=True, column_homogeneous=True)
        if self._screen.vertical_mode:
            if self._screen.lang_ltr:
                grid.attach(self.buttons["x+"], 2, 1, 1, 1)
                grid.attach(self.buttons["x-"], 0, 1, 1, 1)
                grid.attach(self.buttons["z+"], 2, 2, 1, 1)
                grid.attach(self.buttons["z-"], 0, 2, 1, 1)
            else:
                grid.attach(self.buttons["x+"], 0, 1, 1, 1)
                grid.attach(self.buttons["x-"], 2, 1, 1, 1)
                grid.attach(self.buttons["z+"], 0, 2, 1, 1)
                grid.attach(self.buttons["z-"], 2, 2, 1, 1)
            grid.attach(adjust, 1, 2, 1, 1)
            grid.attach(self.buttons["y+"], 1, 0, 1, 1)
            grid.attach(self.buttons["y-"], 1, 1, 1, 1)

        else:
            if self._screen.lang_ltr:
                grid.attach(self.buttons["x+"], 2, 1, 1, 1)
                grid.attach(self.buttons["x-"], 0, 1, 1, 1)
            else:
                grid.attach(self.buttons["x+"], 0, 1, 1, 1)
                grid.attach(self.buttons["x-"], 2, 1, 1, 1)
            grid.attach(self.buttons["y+"], 1, 0, 1, 1)
            grid.attach(self.buttons["y-"], 1, 1, 1, 1)
            grid.attach(self.buttons["z+"], 3, 1, 1, 1)
            grid.attach(self.buttons["z-"], 3, 0, 1, 1)

        grid.attach(self.buttons["home"], 0, 0, 1, 1)
        grid.attach(self.buttons["motors_off"], 2, 0, 1, 1)

        distgrid = Gtk.Grid()
        for j, i in enumerate(self.distances):
            self.labels[i] = self._gtk.Button(label=i)
            self.labels[i].set_direction(Gtk.TextDirection.LTR)
            self.labels[i].connect("clicked", self.change_distance, i)
            ctx = self.labels[i].get_style_context()
            ctx.add_class("horizontal_togglebuttons")
            if i == self.distance:
                ctx.add_class("horizontal_togglebuttons_active")
            distgrid.attach(self.labels[i], j, 0, 1, 1)

        for p in ("pos_x", "pos_y", "pos_z"):
            self.labels[p] = Gtk.Label()
        self.labels["move_dist"] = Gtk.Label(label=_("Move Distance (mm)"))

        bottomgrid = Gtk.Grid(row_homogeneous=True, column_homogeneous=True)
        bottomgrid.set_direction(Gtk.TextDirection.LTR)
        bottomgrid.attach(self.labels["pos_x"], 0, 0, 1, 1)
        bottomgrid.attach(self.labels["pos_y"], 1, 0, 1, 1)
        bottomgrid.attach(self.labels["pos_z"], 2, 0, 1, 1)
        bottomgrid.attach(self.labels["move_dist"], 0, 1, 3, 1)
        if not self._screen.vertical_mode:
            bottomgrid.attach(adjust, 3, 0, 1, 2)

        self.labels["move_menu"] = Gtk.Grid(row_homogeneous=True, column_homogeneous=True)
        self.labels["move_menu"].attach(grid, 0, 0, 1, 3)
        self.labels["move_menu"].attach(bottomgrid, 0, 3, 1, 1)
        self.labels["move_menu"].attach(distgrid, 0, 4, 1, 1)

        self.content.add(self.labels["move_menu"])

        printer_cfg = self._printer.get_config_section("printer")
        # The max_velocity parameter is not optional in klipper config.
        # The minimum is 1, but least 2 values are needed to create a scale
        max_velocity = max(int(float(printer_cfg["max_velocity"])), 2)
        if "max_z_velocity" in printer_cfg:
            self.max_z_velocity = max(int(float(printer_cfg["max_z_velocity"])), 2)
        else:
            self.max_z_velocity = max_velocity

    def process_update(self, action, data):
        if action != "notify_status_update":
            return

        if (
            "gcode_move" in data
            or "toolhead" in data
            and "homed_axes" in data["toolhead"]
        ):
            homed_axes = self._printer.get_stat("toolhead", "homed_axes")
            for i, axis in enumerate(("x", "y", "z")):
                if axis not in homed_axes:
                    self.labels[f"pos_{axis}"].set_text(f"{axis.upper()}: ?")
                elif "gcode_move" in data and "gcode_position" in data["gcode_move"]:
                    self.labels[f"pos_{axis}"].set_text(
                        f"{axis.upper()}: {data['gcode_move']['gcode_position'][i]:.2f}"
                    )

    def change_distance(self, widget, distance):
        logging.info(f"### Distance {distance}")
        self.labels[f"{self.distance}"].get_style_context().remove_class(
            "horizontal_togglebuttons_active"
        )
        self.labels[f"{distance}"].get_style_context().add_class(
            "horizontal_togglebuttons_active"
        )
        self.distance = distance

    def move(self, widget, axis, direction):
        axis = axis.lower()
        if (
            self._config.get_config()["main"].getboolean(f"invert_{axis}", False)
            and axis != "z"
        ):
            direction = "-" if direction == "+" else "+"

        dist = f"{direction}{self.distance}"
        config_key = "move_speed_z" if axis == "z" else "move_speed_xy"
        if axis == "z":
            pos_z_text = self.labels["pos_z"].get_text()
            pos_z_match = re.search(r"Z:\s*([-+]?\d*\.\d+|\d+)", pos_z_text)
            if pos_z_match:
                z_value = float(pos_z_match.group(1))
                if direction == "-" and z_value < float(self.distance):
                    self._screen.show_popup_message(_("Z axis cannot move to negative values"))
                    return
        speed = (
            None
            if self.ks_printer_cfg is None
            else self.ks_printer_cfg.getint(config_key, None)
        )
        if speed is None:
            speed = self._config.get_config()["main"].getint(config_key, self.max_z_velocity)
        speed = 60 * max(1, speed)
        script = f"{KlippyGcodes.MOVE_RELATIVE}\nG0 {axis}{dist} F{speed}"
        self._screen._send_action(widget, "printer.gcode.script", {"script": script})
        if self._printer.get_stat("gcode_move", "absolute_coordinates"):
            self._screen._ws.klippy.gcode_script("G90")

    def home(self, widget):
        if "delta" in self._printer.get_config_section("printer")["kinematics"]:
            self._screen._send_action(widget, "printer.gcode.script", {"script": "G28"})
            return
        name = "homing"
        disname = self._screen._config.get_menu_name("move", name)
        menuitems = self._screen._config.get_menu_items("move", name)
        self._screen.show_panel("menu", disname, items=menuitems)
