from tkinter import *
from tkinter import messagebox
from PIL import ImageTk, Image

import os
os.chdir('assets')
HOME = os.getcwd()

global USERNAME
USERNAME = ""


class ContentBox(Frame):
    def __init__(self, master, image_file, *pargs):
        Frame.__init__(self, master, *pargs)

        self.background = Canvas(self, highlightthickness=0)
        self.background.pack(fill=BOTH, expand=YES)
        self.background.bind('<Configure>', self._resize_image)

        self.image = Image.open(image_file)
        self.img_copy = self.image.copy()
        self.background_image = ImageTk.PhotoImage(self.image)
        self.image_id = self.background.create_image(0, 0, image=self.background_image, anchor='nw')

    def set(self, image_file):
        self.image = Image.open(image_file)
        self.img_copy = self.image.copy()
        self.image = self.img_copy.resize((self.background.winfo_width(),
                                           self.background.winfo_height()))
        self.background_image = ImageTk.PhotoImage(self.image)
        self.background.itemconfigure(self.image_id, image=self.background_image)

    def _resize_image(self, event):
        self.image = self.img_copy.resize((event.width, event.height))
        self.background_image = ImageTk.PhotoImage(self.image)
        self.background.itemconfigure(self.image_id, image=self.background_image)


class ButtonMenu(Frame):
    def __init__(self, master, *pargs):
        Frame.__init__(self, master, *pargs)
        self.place(relx=0.5, rely=0.85, anchor=CENTER)
    def additem(self, name, command):
        Button(self, text=name, command=command, font=('', 12, 'bold'),
               height=2, width=16, borderwidth=0,
               background='black', foreground='white').pack(side=LEFT)


class StatusBar(Frame):
    def __init__(self, master, msgvar, *pargs):
        self.bgcolor='#fdcc03'
        self.fgcolor='black'
        self.msgfont=('', 12)
        self.optfont=('monospace', 12, 'bold')
        Frame.__init__(self, master, background=self.bgcolor, *pargs)
        self.message = Label(self, textvariable=msgvar, background=self.bgcolor, font=self.msgfont, foreground=self.fgcolor)
        global USERNAME
        self.username = Label(self, text=USERNAME, font=self.msgfont, background=self.bgcolor, foreground=self.fgcolor)
        self.username.pack(side=LEFT)
        self.message.pack(side=LEFT, fill=X, expand=TRUE)
    def addmenu(self, optvar, opts, command=None):
        self.menu = OptionMenu(self, optvar, *opts, command=command)
        self.menu.config(width=12, borderwidth=0, font=self.optfont,
            background=self.bgcolor, foreground='darkblue',
            highlightthickness=0)
        self.menu.pack(side=RIGHT)


class SearchBox(Frame):
    def __init__(self, master, search, command, *pargs):
        Frame.__init__(self, master, background='white', *pargs)
    
        self.placeholder = "  🔍 Search ...  "
        self.search = search
        self.searchbox = Entry(self, textvariable=self.search, borderwidth=0, highlightthickness=0)
        self.searchbox.pack(fill=BOTH, expand=TRUE, padx=10, pady=5)
        self.searchbox.bind('<Key>', command)
        def erase_placeholder(event=None):
            if self.search.get() == self.placeholder:
                self.searchbox.delete(0, END)
                self.searchbox.configure(fg='black')
        def set_placeholder(event=None):
            if self.search.get() == "":
                self.searchbox.insert(0, self.placeholder)
                self.searchbox.configure(fg='grey')
        set_placeholder()
        self.searchbox.bind("<FocusIn>", erase_placeholder)
        self.searchbox.bind("<FocusOut>", set_placeholder)
        self.searchbox.bind('<Escape>', lambda event: self.master.focus_set())
        self.master.bind('<Control-f>', lambda event: self.searchbox.focus())
        self.master.focus_set()

    def findtxt(self, event=None):
        self.searchbox.focus()