""" PagerMaid module to handle sticker collection. """

from bs4 import BeautifulSoup
from asyncio import sleep
from os import remove
from io import BytesIO
from telethon.tl.types import DocumentAttributeFilename, MessageMediaPhoto, MessageMediaWebPage, MessageMediaDice
from telethon.tl.functions.contacts import UnblockRequest
from telethon.errors.common import AlreadyInConversationError
from PIL import Image, ImageOps
from math import floor
from pagermaid import bot, redis, redis_status, silent
from pagermaid.listener import listener
from pagermaid.utils import lang, alias_command, get
from pagermaid import log


@listener(is_plugin=False, outgoing=True, command=alias_command("s"),
          description=lang('sticker_des'),
          parameters="<emoji>")
async def sticker(context):
    """ Fetches images/stickers and add them to your pack. """
    # 首先解封 sticker Bot
    try:
        await context.client(UnblockRequest(id=429000))
    except:
        pass
    pic_round = False
    is_batch = False
    to_sticker_set = False
    package_name = ""
    if redis_status():
        if redis.get("sticker.round"):
            pic_round = True

        if len(context.parameter) >= 1:
            # s merge
            await log(f"{context.parameter}")
            if context.parameter[0] == "merge" or context.parameter[0] == "m":
                is_batch = True
                # s merge png <package_name> <number>
                try:
                    if context.parameter[3].isnumeric():
                        if "png" in context.parameter[1]:
                            pic_round = False
                        else:
                            pic_round = True
                        package_name = context.parameter[2]
                except:
                    # 异常，多半是数组越界，不处理，继续参数校验
                    pass
                try:
                    # s merge <package_name> <number>
                    if context.parameter[2].isnumeric():
                        if "png" in context.parameter[1]:
                            pic_round = False
                            package_name = context.parameter[2]
                        else:
                            package_name = context.parameter[1]
                    # s merge png <package_name>
                    elif "png" in context.parameter[1]:
                        pic_round = False
                        package_name = context.parameter[2]
                    # s merge <package_name> <number>
                    else:
                        package_name = context.parameter[1]

                except:
                    # 异常，多半是数组越界
                    # s merge <package_name>
                    try:
                        if "png" in context.parameter[1]:
                            raise Exception()
                        package_name = context.parameter[1]
                    except:
                        # 命令错误
                        try:
                            await context.edit(lang('merge_command_error'))
                        except:
                            pass
                        return

            elif context.parameter[0] == "to":
                pass
            # s <png | number> | error
            else:
                if context.parameter[0] == "set_round":
                    if pic_round:
                        redis.delete("sticker.round")
                        try:
                            await context.edit(lang('us_change_rounding_false'))
                        except:
                            pass
                    else:
                        redis.set("sticker.round", "true")
                        try:
                            await context.edit(lang('us_change_rounding_true'))
                        except:
                            pass
                    return
                elif "png" in context.parameter[0]:
                    pic_round = False
                    # s <number>
                elif context.parameter[0].isnumeric():
                    pass
                elif isEmoji(context.parameter[0]) or len(context.parameter[0]) == 1:
                    await log(f"emoji：{context.parameter[0]}")
                    pass
                else:
                    try:
                        await context.edit(lang('merge_command_error'))
                    except:
                        pass
                    return

    # 是否添加到指定贴纸包
    if len(context.parameter) >= 1:
        if "to" in context.parameter:
            if len(context.parameter) == 3:  # <emoji> to <sticker_pack>
                to_sticker_set = context.parameter[2]
                if redis_status():
                    redis.set("sticker.to", to_sticker_set)
            if len(context.parameter) == 2:
                to_sticker_set = context.parameter[1]
                if redis_status():
                    redis.set("sticker.to", to_sticker_set)
            else:
                if redis_status():
                    if redis.get("sticker.to"):
                        to_sticker_set = redis.get("sticker.to").decode()
                    else:
                        await context.edit(lang("sticker_to_no"))
                        return
                else:
                    await context.edit(lang("sticker_to_no"))
                    return

    user = await bot.get_me()
    if not user.username:
        user.username = user.first_name

    custom_emoji = False
    animated = False
    emoji = ""

    if is_batch:
        # 多张
        """ merge every single sticker after the message you replied to. """
        if not context.reply_to_msg_id:
            await context.edit(lang('not_reply'))
            return
        input_chat = await context.get_input_chat()
        count = 0
        scount = 0
        result = ""
        if context.parameter[0] == "m":
            message = await context.get_reply_message()
            await single_sticker(animated, context, custom_emoji, emoji, message, pic_round, user,
                                 package_name, to_sticker_set)
        else:
            async for message in context.client.iter_messages(input_chat, min_id=context.reply_to_msg_id):
                count += 1
                if message and message.media:
                    scount += 1
                    try:
                        await log(f"{lang('merge_processing_left')}{count}{lang('merge_processing_right')}")
                        if not silent:
                            await context.edit(f"{lang('merge_processing_left')}{count}{lang('merge_processing_right')}")
                    except:
                        pass
                    result = await single_sticker(animated, context, custom_emoji, emoji, message, pic_round, user,
                                                  package_name, to_sticker_set)
                    await sleep(.5)
            try:
                await context.edit(f"{result}\n"
                                   f"{lang('merge_total_processed_left')}{scount}{lang('merge_total_processed_right')}",
                                   parse_mode='md')
            except:
                pass
        await sleep(5)
        try:
            await context.delete()
        except:
            pass
    else:
        # 单张收集图片
        message = await context.get_reply_message()
        try:
            await single_sticker(animated, context, custom_emoji, emoji, message, pic_round, user, "", to_sticker_set)
        except FileExistsError:
            await context.edit(lang("sticker_to_full"))


async def single_sticker(animated, context, custom_emoji, emoji, message, pic_round, user, package_name,
                         to_sticker_set):
    try:
        if not silent:
            await context.edit(lang('sticker_processing'))
    except:
        pass
    if message and message.media:
        if isinstance(message.media, MessageMediaPhoto):
            photo = BytesIO()
            photo = await bot.download_media(message.photo, photo)
        elif isinstance(message.media, MessageMediaWebPage):
            try:
                await context.edit(lang('sticker_type_not_support'))
            except:
                pass
            return
        elif isinstance(message.media, MessageMediaDice):
            try:
                await context.edit(lang('sticker_type_not_support'))
            except:
                pass
            return
        elif "image" in message.media.document.mime_type.split('/'):
            photo = BytesIO()
            try:
                if not silent:
                    await context.edit(lang('sticker_downloading'))
            except:
                pass
            await bot.download_file(message.media.document, photo)
            if (DocumentAttributeFilename(file_name='sticker.webp') in
                    message.media.document.attributes):
                emoji = message.media.document.attributes[1].alt
                custom_emoji = True
                if not emoji:
                    custom_emoji = False
        elif (DocumentAttributeFilename(file_name='AnimatedSticker.tgs') in
              message.media.document.attributes):
            photo = BytesIO()
            await bot.download_file(message.media.document, "AnimatedSticker.tgs")
            for index in range(len(message.media.document.attributes)):
                try:
                    emoji = message.media.document.attributes[index].alt
                    break
                except:
                    pass
            custom_emoji = True
            if not emoji:
                custom_emoji = False
            animated = True
            photo = 1
        else:
            try:
                await context.edit(lang('sticker_type_not_support'))
            except:
                pass
            return
    else:
        try:
            await context.edit(lang('sticker_reply_not_sticker'))
        except:
            pass
        return

    if photo:
        split_strings = context.text.split()
        if not custom_emoji:
            emoji = "👀"
        pack = 1
        sticker_already = False
        if to_sticker_set:
            # 指定贴纸包 + emoji
            if split_strings[1].isnumeric():
                pack = int(split_strings[1])
            else:
                if split_strings[1].replace("png", "").replace("to", "") != "":
                    emoji = split_strings[1].replace("png", "").replace("to", "")
        elif package_name:
            # 批量处理贴纸无法指定emoji，只获取第几个pack
            # s merge png <package_name> <number>
            if len(split_strings) == 5:
                pack = split_strings[4]
            # s merge <package_name> <number>
            elif len(split_strings) == 4:
                pack = split_strings[3]
        else:
            if len(split_strings) == 3:
                # s png <number|emoji>
                pack = split_strings[2]
                if split_strings[1].replace("png", "") != "":
                    emoji = split_strings[1].replace("png", "")
            elif len(split_strings) == 2:
                # s <number|emoji>
                if split_strings[1].isnumeric():
                    pack = int(split_strings[1])
                else:
                    if split_strings[1].replace("png", "") != "":
                        emoji = split_strings[1].replace("png", "")

        if not isinstance(pack, int):
            pack = 1

        if package_name:
            # merge指定package_name
            pack_name = f"{user.username}_{package_name}_{pack}"
            pack_title = f"@{user.username} {lang('sticker_pack_title')} ({package_name}) ({pack})"
        elif to_sticker_set:
            pack_name = to_sticker_set
            pack_title = f"@{user.username} {lang('sticker_pack_title')} ({package_name}) ({pack})"
        else:
            pack_name = f"{user.username}_{pack}"
            pack_title = f"@{user.username} {lang('sticker_pack_title')} ({pack})"
        command = '/newpack'
        file = BytesIO()

        if not animated:
            try:
                if not silent:
                    await context.edit(lang('sticker_resizing'))
            except:
                pass
            image = await resize_image(photo)
            if pic_round:
                try:
                    if not silent:
                        await context.edit(lang('us_static_rounding'))
                except:
                    pass
                image = await rounded_image(image)
            file.name = "sticker.png"
            image.save(file, "PNG")
        else:
            if not to_sticker_set:
                pack_name += "_animated"
                pack_title += " (animated)"
                command = '/newanimated'

        try:
            response = await get(f'https://t.me/addstickers/{pack_name}')
        except UnicodeEncodeError:
            pack_name = 's' + hex(context.sender_id)[2:]
            if animated:
                pack_name = 's' + hex(context.sender_id)[2:] + '_animated'
            response = await get(f'https://t.me/addstickers/{pack_name}')
        if not response.status_code == 200:
            try:
                await context.edit(lang('sticker_telegram_server_error'))
            except:
                pass
            return
        http_response = response.text.split('\n')

        if "  A <strong>Telegram</strong> user has created the <strong>Sticker&nbsp;Set</strong>." not in \
                http_response:
            for _ in range(20):  # 最多重试20次
                try:
                    async with bot.conversation('Stickers') as conversation:
                        await conversation.send_message('/cancel')
                        await conversation.get_response()
                        await bot.send_read_acknowledge(conversation.chat_id)
                        await conversation.send_message('/addsticker')
                        await conversation.get_response()
                        await bot.send_read_acknowledge(conversation.chat_id)
                        await conversation.send_message(pack_name)
                        chat_response = await conversation.get_response()
                        while chat_response.text == "Whoa! That's probably enough stickers for one pack, give it a break. \
A pack can't have more than 120 stickers at the moment.":
                            pack += 1

                            # 指定贴纸包已满时直接报错
                            if to_sticker_set:
                                raise FileExistsError
                            if package_name:
                                # merge指定package_name
                                pack_name = f"{user.username}_{package_name}_{pack}"
                                pack_title = f"@{user.username} {lang('sticker_pack_title')} ({package_name}) ({pack})"
                            else:
                                pack_name = f"{user.username}_{pack}"
                                pack_title = f"@{user.username} {lang('sticker_pack_title')} ({pack})"
                            try:
                                if not silent:
                                    if package_name:
                                        await context.edit(
                                            lang('sticker_change_pack_to') + str(package_name) + str(pack) + lang(
                                                'sticker_last_is_full'))
                                    else:
                                        await context.edit(
                                            lang('sticker_change_pack_to') + str(pack) + lang('sticker_last_is_full'))
                            except:
                                pass
                            await conversation.send_message(pack_name)
                            chat_response = await conversation.get_response()
                            if chat_response.text == "Invalid pack selected.":
                                await add_sticker(conversation, command, pack_title, pack_name, animated, message,
                                                  context, file, emoji)
                                try:
                                    await context.edit(
                                        f"{lang('sticker_has_been_added')} [{lang('sticker_this')}](t.me/addstickers/{pack_name}) {lang('sticker_pack')}",
                                        parse_mode='md')
                                except:
                                    pass
                                return
                        try:
                            await upload_sticker(animated, message, context, file, conversation)
                        except ValueError:
                            try:
                                await context.edit(lang('sticker_reply_not_sticker'))
                            except:
                                pass
                            return
                        await conversation.get_response()
                        await conversation.send_message(emoji)
                        await bot.send_read_acknowledge(conversation.chat_id)
                        await conversation.get_response()
                        await conversation.send_message('/done')
                        await conversation.get_response()
                        await bot.send_read_acknowledge(conversation.chat_id)
                        break
                except AlreadyInConversationError:
                    if not sticker_already and not silent:
                        try:
                            await context.edit(lang('sticker_another_running'))
                        except:
                            pass
                        sticker_already = True
                    else:
                        pass
                    await sleep(.5)
                except Exception:
                    raise
        else:
            if not silent:
                try:
                    await context.edit(lang('sticker_no_pack_exist_creating'))
                except:
                    pass
            async with bot.conversation('Stickers') as conversation:
                await add_sticker(conversation, command, pack_title, pack_name, animated, message,
                                  context, file, emoji)

        try:
            await context.edit(
                f"{lang('sticker_has_been_added')} [{lang('sticker_this')}](t.me/addstickers/{pack_name}) {lang('sticker_pack')}",
                parse_mode='md')
        except:
            pass
        if package_name:
            return f"{lang('sticker_has_been_added')} [{lang('sticker_this')}](t.me/addstickers/{pack_name}) {lang('sticker_pack')}"
        else:
            await sleep(5)
            try:
                await context.delete()
            except:
                pass


async def add_sticker(conversation, command, pack_title, pack_name, animated, message, context, file, emoji):
    await conversation.send_message("/cancel")
    await conversation.get_response()
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.send_message(command)
    await conversation.get_response()
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.send_message(pack_title)
    await conversation.get_response()
    await bot.send_read_acknowledge(conversation.chat_id)
    try:
        await upload_sticker(animated, message, context, file, conversation)
    except ValueError:
        try:
            await context.edit(lang('sticker_reply_not_sticker'))
        except:
            pass
        return
    await conversation.get_response()
    await conversation.send_message(emoji)
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.get_response()
    await conversation.send_message("/publish")
    if animated:
        await conversation.get_response()
        await conversation.send_message(f"<{pack_title}>")
    await conversation.get_response()
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.send_message("/skip")
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.get_response()
    await conversation.send_message(pack_name)
    await bot.send_read_acknowledge(conversation.chat_id)
    await conversation.get_response()
    await bot.send_read_acknowledge(conversation.chat_id)


async def upload_sticker(animated, message, context, file, conversation):
    if animated:
        if not silent:
            try:
                await context.edit(lang('us_animated_uploading'))
            except:
                pass
        await conversation.send_file("AnimatedSticker.tgs", force_document=True)
        remove("AnimatedSticker.tgs")
    else:
        file.seek(0)
        if not silent:
            try:
                await context.edit(lang('us_static_uploading'))
            except:
                pass
        await conversation.send_file(file, force_document=True)


async def resize_image(photo):
    image = Image.open(photo)
    maxsize = (512, 512)
    if (image.width and image.height) < 512:
        size1 = image.width
        size2 = image.height
        if image.width > image.height:
            scale = 512 / size1
            size1new = 512
            size2new = size2 * scale
        else:
            scale = 512 / size2
            size1new = size1 * scale
            size2new = 512
        size1new = floor(size1new)
        size2new = floor(size2new)
        size_new = (size1new, size2new)
        image = image.resize(size_new)
    else:
        image.thumbnail(maxsize)

    return image


async def rounded_image(image):
    w = image.width
    h = image.height
    resize_size = 0
    # 比较长宽
    if w > h:
        resize_size = h
    else:
        resize_size = w
    half_size = floor(resize_size / 2)

    # 获取圆角模版，切割成4个角
    tl = (0, 0, 256, 256)
    tr = (256, 0, 512, 256)
    bl = (0, 256, 256, 512)
    br = (256, 256, 512, 512)
    border = Image.open('pagermaid/static/images/rounded.png').convert('L')
    tlp = border.crop(tl)
    trp = border.crop(tr)
    blp = border.crop(bl)
    brp = border.crop(br)

    # 缩放四个圆角
    tlp = tlp.resize((half_size, half_size))
    trp = trp.resize((half_size, half_size))
    blp = blp.resize((half_size, half_size))
    brp = brp.resize((half_size, half_size))

    # 扩展四个角大小到目标图大小
    # tlp = ImageOps.expand(tlp, (0, 0, w - tlp.width, h - tlp.height))
    # trp = ImageOps.expand(trp, (w - trp.width, 0, 0, h - trp.height))
    # blp = ImageOps.expand(blp, (0, h - blp.height, w - blp.width, 0))
    # brp = ImageOps.expand(brp, (w - brp.width, h - brp.height, 0, 0))

    # 四个角合并到一张新图上
    ni = Image.new('RGB', (w, h), (0, 0, 0)).convert('L')
    ni.paste(tlp, (0, 0))
    ni.paste(trp, (w - trp.width, 0))
    ni.paste(blp, (0, h - blp.height))
    ni.paste(brp, (w - brp.width, h - brp.height))

    # 合并圆角和原图
    image.putalpha(ImageOps.invert(ni))

    return image


def isEmoji(content):
    if not content:
        return False
    if u"\U0001F600" <= content <= u"\U0001F64F":
        return True
    elif u"\U0001F300" <= content <= u"\U0001F5FF":
        return True
    elif u"\U0001F680" <= content <= u"\U0001F6FF":
        return True
    elif u"\U0001F1E0" <= content <= u"\U0001F1FF":
        return True
    else:
        return False


@listener(is_plugin=False, outgoing=True, command=alias_command("sticker"),
          description=lang('sticker_search_des'),
          parameters="<query>")
async def sticker_search(context):
    if len(context.parameter) == 0:
        await context.edit(lang('arg_error'))
        return
    if not silent:
        await context.edit(lang('google_processing'))
    query = context.parameter[0]
    try:
        html = (await get("https://combot.org/telegram/stickers?q=" + query)).text
    except:
        return await context.edit(lang('sticker_telegram_server_error'))
    xml = BeautifulSoup(html, "lxml")
    titles = xml.find_all("div", "sticker-pack__title")
    links = xml.find_all("a", target="_blank")
    if not links:
        return await context.edit(lang('sticker_search_no'))
    text = f"{lang('sticker_search_result')}\n"
    for title, link in zip(titles, links):
        temp = title.get_text()
        temp1 = link["href"]
        temp2 = f"\n[{temp}]({temp1})"
        if temp2 not in text:
            text += temp2
    await context.edit(text)