from datetime import datetime, timedelta

import tkinter as tk

from . import globals as g
from .frm_history import FrmHistory
from .resources import load_image

HISTORY_WINDOW = None


def show_history(master, gun):
    global HISTORY_WINDOW
    if HISTORY_WINDOW is None or not HISTORY_WINDOW.winfo_exists():
        HISTORY_WINDOW = FrmHistory(master)
    HISTORY_WINDOW.set_gun(gun)
    HISTORY_WINDOW.lift()
    HISTORY_WINDOW.focus_set()


class GunButton(tk.Frame):

    def __init__(self, master, gun):
        super().__init__(master, bd=1, relief="solid", bg="#d9d9d9")
        self.gun = gun
        self.change_battery = False
        self.flash_state = False

        self._gun_img = load_image("Custom98.png")
        self._gun_img_fired = load_image("Custom98_2.png")
        self._gun_img_w = self._gun_img.width()

        self.pb_battery = tk.Label(self, image=load_image("100.png"), bd=0, bg="#d9d9d9")
        self.pb_battery.image = self.pb_battery.cget("image")
        self.pb_battery.place(x=3, y=3)

        self.pb_gun = tk.Label(self, image=self._gun_img, bd=0, bg="#d9d9d9")
        self.pb_gun.image = self.pb_gun.cget("image")
        self.pb_gun.place(x=122, y=3)

        self.lbl_main = tk.Label(self, text="lblMain", anchor="center", justify="center", bg="#d9d9d9",
                                 font=("Consolas", 10, "bold"))
        self.lbl_main.place(x=-1, y=0, relwidth=1.0, relheight=1.0)
        self.lbl_main.bind("<Button-1>", lambda e: show_history(self, self.gun))

        self.bind("<Configure>", self._on_size_changed)

        self.after(250, self._timer_update)
        self.after(500, self._timer_battery)

    def _on_size_changed(self, event=None):
        self.pb_gun.place(x=self.winfo_width() - self._gun_img_w - 10, y=3)

    def _set_background(self, color):
        self.configure(bg=color)
        self.lbl_main.configure(bg=color)
        self.pb_gun.configure(bg=color)
        self.pb_battery.configure(bg=color)

    def _timer_update(self):
        try:
            now = datetime.now()
            self.lbl_main.configure(
                text="\n{}\n{}\nshot: {}\ntime: {}".format(
                    self.gun.gun_id,
                    self.gun.gun_mac,
                    self.gun.fired + self.gun.fired_overall,
                    g.minutes_to_string(self.gun.battery + self.gun.battery_overall)))

            if self.gun.last_seen > now - timedelta(seconds=1):
                if self.change_battery:
                    self._set_background("#ff960a")
                else:
                    self._set_background("#14ff96")
            elif self.gun.last_seen > now - timedelta(seconds=30):
                secs = (now - self.gun.last_seen).total_seconds()
                rg_col = int(secs / 30 * 220) + 20
                self._set_background("#{:02x}{:02x}{:02x}".format(rg_col, 240, rg_col))
            else:
                self._set_background("#d9d9d9")

            if self.gun.fired_last > now:
                self.pb_gun.configure(image=self._gun_img_fired)
            else:
                self.pb_gun.configure(image=self._gun_img)
            if self.gun.last_seen < now - timedelta(minutes=g.count_interval):
                self.pb_gun.configure(image="")

            if self.gun.battery + self.gun.battery_overall >= self.gun.settings_battery_life:
                self.change_battery = True
            if self.gun.fired + self.gun.fired_overall >= self.gun.settings_fired_max:
                self.change_battery = True

            if self.change_battery:
                if (self.gun.battery + self.gun.battery_overall < self.gun.settings_battery_life) and \
                   (self.gun.fired + self.gun.fired_overall < self.gun.settings_fired_max):
                    self.change_battery = False

            if not self.change_battery:
                t_val = 100 - int((((self.gun.battery + self.gun.battery_overall) / self.gun.settings_battery_life) * 100))
                s_val = 100 - int((((self.gun.fired + self.gun.fired_overall) / self.gun.settings_fired_max) * 100))
                if s_val < t_val:
                    t_val = s_val
                if t_val >= 95:
                    img = "100.png"
                elif t_val >= 85:
                    img = "090.png"
                elif t_val >= 75:
                    img = "080.png"
                elif t_val >= 65:
                    img = "070.png"
                elif t_val >= 55:
                    img = "060.png"
                elif t_val >= 45:
                    img = "050.png"
                elif t_val >= 35:
                    img = "040.png"
                elif t_val >= 20:
                    img = "030.png"
                elif t_val >= 10:
                    img = "020.png"
                else:
                    img = "010.png"
                self.pb_battery.configure(image=load_image(img))
        finally:
            self.after(250, self._timer_update)

    def _timer_battery(self):
        try:
            if self.change_battery:
                self.flash_state = not self.flash_state
                if self.flash_state:
                    self.pb_battery.configure(image=load_image("000.png"))
                else:
                    self.pb_battery.configure(image=load_image("010.png"))
        finally:
            self.after(500, self._timer_battery)