# Ultroid - UserBot
# Copyright (C) 2021-2022 TeamUltroid
#
# This file is a part of < https://github.com/TeamUltroid/Ultroid/ >
# PLease read the GNU Affero General Public License in
# <https://www.github.com/TeamUltroid/Ultroid/blob/main/LICENSE/>.
"""
✘ Commands Available -

• `{i}qrcode <text/reply to text>`
   `Makes qrcode of text`

• `{i}addqr <reply image> <text>`
   `Makes qr of text and add it to image.`

• `{i}qrdecode <reply to qrcode>`
   `It decodes the qrcode.`
"""
import os

try:
    import cv2
except ImportError:
    cv2 = None

import qrcode
from PIL import Image
from telethon.tl.types import MessageMediaDocument as doc
from telethon.tl.types import MessageMediaPhoto as photu

from . import get_string, ultroid_bot, ultroid_cmd


@ultroid_cmd(pattern="qrcode( (.*)|$)")
async def cd(e):
    reply = await e.get_reply_message()
    msg = e.pattern_match.group(1).strip()
    if reply and reply.text:
        msg = reply.text
    elif not msg:
        return await e.eor("`Give Some Text or Reply", time=5)
    kk = await e.eor(get_string("com_1"))
    pfp = await e.client.get_profile_photos(ultroid_bot.uid)
    img = "resources/extras/teamultroid.jpg"
    if len(pfp) >= 1:
        img = await e.client.download_media(pfp[0])
    ok = Image.open(img)
    logo = ok.resize((60, 60))
    cod = qrcode.QRCode(error_correction=qrcode.constants.ERROR_CORRECT_H)
    cod.add_data(msg)
    cod.make()
    imgg = cod.make_image().convert("RGB")
    pstn = ((imgg.size[0] - logo.size[0]) // 2, (imgg.size[1] - logo.size[1]) // 2)
    imgg.paste(logo, pstn)
    imgg.save(img)
    await e.client.send_file(e.chat_id, img, supports_streaming=True)
    await kk.delete()
    os.remove(img)


@ultroid_cmd(pattern="addqr( (.*)|$)")
async def qrwater(e):
    msg = e.pattern_match.group(1).strip()
    r = await e.get_reply_message()
    if isinstance(r.media, photu):
        dl = await e.client.download_media(r.media)
    elif isinstance(r.media, doc):
        dl = await e.client.download_media(r, thumb=-1)
    else:
        return await e.eor("`Reply Any Media and Give Text`", time=5)
    kk = await e.eor(get_string("com_1"))
    img_bg = Image.open(dl)
    qr = qrcode.QRCode(box_size=5)
    qr.add_data(msg)
    qr.make()
    img_qr = qr.make_image()
    pos = (img_bg.size[0] - img_qr.size[0], img_bg.size[1] - img_qr.size[1])
    img_bg.paste(img_qr, pos)
    img_bg.save(dl)
    await e.client.send_file(e.chat_id, dl, supports_streaming=True)
    await kk.delete()
    os.remove(dl)


@ultroid_cmd(pattern="qrdecode$")
async def decod(e):
    r = await e.get_reply_message()
    if not (r and r.media):
        return await e.eor("`Reply to Qrcode Media`", time=5)
    kk = await e.eor(get_string("com_1"))
    if isinstance(r.media, photu):
        dl = await r.download_media()
    elif isinstance(r.media, doc):
        dl = await r.download_media(thumb=-1)
    else:
        return
    im = cv2.imread(dl)
    try:
        det = cv2.QRCodeDetector()
        tx, y, z = det.detectAndDecode(im)
        await kk.edit("**Decoded Text:\n\n**" + tx)
    except BaseException:
        await kk.edit("`Reply To Media in Which Qr image present.`")
    os.remove(dl)