#!/usr/bin/env python3
import io
from os import path

import requests
import wx
from typing import Union, Callable

SIZE = wx.Size(200,135)
MYPATH = path.dirname(path.abspath(__file__))

def get_default_logo(providerid: str = 'default') -> wx.Bitmap:
    if providerid == 'SVT':
        return wx.Bitmap('{}/assets/SVT.png'.format(MYPATH))
    if providerid == 'YouTube':
        return wx.Bitmap('{}/assets/YouTube.png'.format(MYPATH))
    else:
        return wx.Bitmap('{}/assets/Default.png'.format(MYPATH))

def make_sized_button(parent_pnl: wx.Panel, bitmap_or_str: Union[wx.Bitmap,str], text: str, callback: Callable) -> wx.BoxSizer:
        btn_sizer = wx.BoxSizer(wx.HORIZONTAL)
        if type(bitmap_or_str) == type(str):
            if bitmap_or_str.startswith('http'): # type: ignore
                bitmap = make_bitmap_from_url(bitmap_or_str) # type: ignore
            else:
                bitmap = wx.Bitmap(bitmap_or_str, wx.BITMAP_TYPE_ANY)
        else:
            bitmap = bitmap_or_str
        btn_style = wx.BORDER_NONE | wx.BU_AUTODRAW | wx.BU_EXACTFIT | wx.BU_NOTEXT
        btn_logo = wx.BitmapButton(parent_pnl, wx.ID_ANY, bitmap , style=btn_style)
        btn_logo.SetMinSize(SIZE)
        btn_logo.SetToolTip(text)
        btn_sizer.Add(btn_logo, 0, wx.BOTTOM | wx.EXPAND | wx.LEFT | wx.TOP, 1)

        btn_text = wx.Button(parent_pnl, wx.ID_ANY, text, style=wx.BORDER_NONE | wx.BU_AUTODRAW)
        btn_text.SetMinSize(SIZE)
        btn_text.SetToolTip(text)
        btn_sizer.Add(btn_text, 0, wx.BOTTOM | wx.RIGHT | wx.TOP, 1)
        parent_pnl.Bind(wx.EVT_BUTTON, callback, btn_logo)
        parent_pnl.Bind(wx.EVT_BUTTON, callback, btn_text)

        return btn_sizer


def make_bitmap_from_url(logo_url: str ) -> wx.Bitmap:
    res = requests.get(logo_url)
    content = res.content
    content_bytes = io.BytesIO(content)
    image = wx.Image(content_bytes, type=wx.BITMAP_TYPE_ANY, index=-1)
    image = image.Resize(SIZE, (0,0))
    return wx.Bitmap(image)


def resolve_svt_channel(svt_id: str) -> dict:
    channels = {
        "ch-barnkanalen": {
            "name":
            "Barnkanalen",
            "thumbnail": wx.Bitmap('{}/assets/Barnkanalen.png'.format(MYPATH))
        },
        "ch-svt1": {
            "name":
            "SVT 1",
            "thumbnail": wx.Bitmap('{}/assets/SVT1.png'.format(MYPATH))
        },
        "ch-svt2": {
            "name":
            "SVT 2",
            "thumbnail": wx.Bitmap('{}/assets/SVT2.png'.format(MYPATH))
        },
        "ch-svt24": {
            "name":
            "SVT 24",
            "thumbnail": wx.Bitmap('{}/assets/SVT24.png'.format(MYPATH))
        },
        "kunskapskanalen": {
            "name":
            "Kunskapskanalen",
            "thumbnail": wx.Bitmap('{}/assets/Kunskapskanalen.png'.format(MYPATH))
        },
        "feed": {
            "name": "Senaste program",
            "thumbnail": wx.Bitmap('{}/assets/SVT.png'.format(MYPATH))
        },
    }

    return channels[svt_id]

def write_on_bitmap(text: str, bmap: wx.Bitmap) -> wx.Bitmap:
    bitmap = wx.Bitmap(bmap)
    dc = wx.MemoryDC(bitmap)
    cblack = wx.Colour(0, 0, 0)
    cwhite = wx.Colour(255, 255, 255)
    dc.SetTextForeground(cwhite)
    dc.SetTextBackground(cblack)
    dc.SetFont(wx.Font().Bold())
    dc.SetBackgroundMode(wx.BRUSHSTYLE_SOLID)
    w, h = dc.GetSize()
    tw, th = dc.GetTextExtent(text)
    dc.DrawText(text, (w - tw) / 2, (h - th) / 2)  #display text in center
    del dc
    return bitmap