"""Some basic UGFX powered dialogs"""

___license___ = "MIT"
___dependencies___ = ["buttons", "sleep"]

import ugfx, buttons, sleep

default_style_badge = ugfx.Style()
default_style_badge.set_focus(ugfx.RED)
default_style_badge.set_enabled([ugfx.WHITE, ugfx.html_color(0x3C0246), ugfx.GREY, ugfx.RED])
default_style_badge.set_background(ugfx.html_color(0x3C0246))

default_style_dialog = ugfx.Style()
default_style_dialog.set_enabled([ugfx.BLACK, ugfx.html_color(0xA66FB0), ugfx.html_color(0xdedede), ugfx.RED])
default_style_dialog.set_background(ugfx.html_color(0xFFFFFF))


TILDA_COLOR = ugfx.html_color(0x7c1143);
FONT_SMALL = 0 #todo: find correct values
FONT_MEDIUM_BOLD = 0

def notice(text, title="TiLDA", close_text="Close", width = 260, height = 180, font=FONT_SMALL, style=None):
    prompt_boolean(text, title = title, true_text = close_text, false_text = None, width = width, height = height, font=font, style=style)

def prompt_boolean(text, title="TiLDA", true_text="Yes", false_text="No", width = 260, height = 180, font=FONT_SMALL, style=None):
    """A simple one and two-options dialog

    if 'false_text' is set to None only one button is displayed.
    If both 'true_text' and 'false_text' are given a boolean is returned
    """
    global default_style_dialog
    if style == None:
        style = default_style_dialog
    ugfx.set_default_font(FONT_MEDIUM_BOLD)
    window = ugfx.Container((ugfx.width() - width) // 2, (ugfx.height() - height) // 2,  width, height, style=style)
    window.show()
    ugfx.set_default_font(font)
    window.text(5, 10, title, TILDA_COLOR)
    window.line(0, 30, width, 30, ugfx.BLACK)

    if false_text:
        true_text = "A: " + true_text
        false_text = "B: " + false_text

    ugfx.set_default_font(font)
    label = ugfx.Label(5, 30, width - 10, height - 80, text = text, parent=window)
    ugfx.set_default_font(FONT_MEDIUM_BOLD)
    button_yes = ugfx.Button(5, height - 40, width // 2 - 15 if false_text else width - 15, 30 , true_text, parent=window)
    button_no = ugfx.Button(width // 2 + 5, height - 40, width // 2 - 15, 30 , false_text, parent=window) if false_text else None

    try:
        buttons.init()

        button_yes.attach_input(ugfx.BTN_A,0)
        if button_no: button_no.attach_input(ugfx.BTN_B,0)

        window.show()

        while True:
            sleep.wfi()
            if buttons.is_triggered("BTN_A"): return True
            if buttons.is_triggered("BTN_B"): return False

    finally:
        window.hide()
        window.destroy()
        button_yes.destroy()
        if button_no: button_no.destroy()
        label.destroy()

def prompt_text(description, init_text = "", true_text="OK", false_text="Back", width = 300, height = 200, font=FONT_MEDIUM_BOLD, style=default_style_badge):
    """Shows a dialog and keyboard that allows the user to input/change a string

    Returns None if user aborts with button B
    """

    window = ugfx.Container(int((ugfx.width()-width)/2), int((ugfx.height()-height)/2), width, height, style=style)

    if false_text:
        true_text = "M: " + true_text
        false_text = "B: " + false_text

    if buttons.has_interrupt("BTN_MENU"):
        buttons.disable_interrupt("BTN_MENU")

    ugfx.set_default_font(ugfx.FONT_MEDIUM)
    kb = ugfx.Keyboard(0, int(height/2), width, int(height/2), parent=window)
    edit = ugfx.Textbox(5, int(height/2)-30, int(width*4/5)-10, 25, text = init_text, parent=window)
    ugfx.set_default_font(FONT_SMALL)
    button_yes = ugfx.Button(int(width*4/5), int(height/2)-30, int(width*1/5)-3, 25 , true_text, parent=window)
    button_no = ugfx.Button(int(width*4/5), int(height/2)-30-30, int(width/5)-3, 25 , false_text, parent=window) if false_text else None
    ugfx.set_default_font(font)
    label = ugfx.Label(int(width/10), int(height/10), int(width*4/5), int(height*2/5)-60, description, parent=window)

    try:
        buttons.init()

        button_yes.attach_input(ugfx.BTN_MENU,0)
        if button_no: button_no.attach_input(ugfx.BTN_B,0)

        window.show()
        edit.set_focus()
        while True:
            sleep.wfi()
            ugfx.poll()
            #if buttons.is_triggered("BTN_A"): return edit.text()
            if buttons.is_triggered("BTN_B"): return None
            if buttons.is_triggered("BTN_MENU"): return edit.text()

    finally:
        window.hide()
        window.destroy()
        button_yes.destroy()
        if button_no: button_no.destroy()
        label.destroy()
        kb.destroy()
        edit.destroy();
    return

def prompt_option(options, index=0, text = "Please select one of the following:", title=None, select_text="OK", none_text=None):
    """Shows a dialog prompting for one of multiple options

    If none_text is specified the user can use the B or Menu button to skip the selection
    if title is specified a blue title will be displayed about the text
    """
    ugfx.set_default_font(FONT_SMALL)
    window = ugfx.Container(5, 5, ugfx.width() - 10, ugfx.height() - 10)
    window.show()

    list_y = 30
    if title:
        window.text(5, 10, title, TILDA_COLOR)
        window.line(0, 25, ugfx.width() - 10, 25, ugfx.BLACK)
        window.text(5, 30, text, ugfx.BLACK)
        list_y = 50
    else:
        window.text(5, 10, text, ugfx.BLACK)

    options_list = ugfx.List(5, list_y, ugfx.width() - 25, 180 - list_y, parent = window)

    for option in options:
        if isinstance(option, dict) and option["title"]:
            options_list.add_item(option["title"])
        else:
            options_list.add_item(str(option))
    options_list.selected_index(index)

    select_text = "A: " + select_text
    if none_text:
        none_text = "B: " + none_text

    button_select = ugfx.Button(5, ugfx.height() - 50, 140 if none_text else ugfx.width() - 25, 30 , select_text, parent=window)
    button_none = ugfx.Button(ugfx.width() - 160, ugfx.height() - 50, 140, 30 , none_text, parent=window) if none_text else None

    try:
        buttons.init()

        while True:
            sleep.wfi()
            ugfx.poll()
            if buttons.is_triggered("BTN_A"): return options[options_list.selected_index()]
            if button_none and buttons.is_triggered("BTN_B"): return None
            if button_none and buttons.is_triggered("BTN_MENU"): return None

    finally:
        window.hide()
        window.destroy()
        options_list.destroy()
        button_select.destroy()
        if button_none: button_none.destroy()
        ugfx.poll()

class WaitingMessage:
    """Shows a dialog with a certain message that can not be dismissed by the user"""
    def __init__(self, text = "Please Wait...", title="TiLDA"):
        self.window = ugfx.Container(30, 30, ugfx.width() - 60, ugfx.height() - 60)
        self.window.show()
        self.window.text(5, 10, title, TILDA_COLOR)
        self.window.line(0, 30, ugfx.width() - 60, 30, ugfx.BLACK)
        self.label = ugfx.Label(5, 40, self.window.width() - 10, ugfx.height() - 40, text = text, parent=self.window)

        # Indicator to show something is going on
        #self.indicator = ugfx.Label(ugfx.width() - 100, 0, 20, 20, text = "...", parent=self.window)
        #self.timer = machine.Timer(3)
        #self.timer.init(freq=3)
        #self.timer.callback(lambda t: self.indicator.visible(not self.indicator.visible()))
        # todo: enable this once we have a timer somewhere

    def destroy(self):
        #self.timer.deinit()
        self.label.destroy()
        #self.indicator.destroy()
        self.window.destroy()

    @property
    def text(self):
        return self.label.text()

    @text.setter
    def text(self, value):
        self.label.text(value)

    def __enter__(self):
        return self

    def __exit__(self, exc_type, exc_value, traceback):
        self.destroy()