# (C) 2021 lifegpc
# This file is part of rssbot.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
from RSSEntry import RSSEntry, ChatEntry
from typing import List
from enum import Enum, unique
from math import ceil, floor
from textc import textc, timeToStr
from readset import settings


@unique
class InlineKeyBoardForRSSList(Enum):
    FirstPage = 0
    LastPage = 1
    PrevPage = 2
    NextPage = 3
    Close = 4
    Content = 5
    BackToList = 6
    Unsubscribe = 7
    ConfirmUnsubscribe = 8
    CancleUnsubscribe = 9
    SettingsPage = 10
    BackToContentPage = 11
    DisableWebPagePreview = 12
    ShowRSSTitle = 13
    ShowContentTitle = 14
    ShowContent = 15
    SendMedia = 16
    ForceUpdate = 17
    DisplayEntryLink = 18
    SendImgAsFile = 19
    GlobalSettingsPage = 20
    SendOriginFileName = 21


def getTextContentForRSSInList(rssEntry: RSSEntry, s: settings) -> str:
    text = textc()
    text.addtotext(
        f"""<a href="{rssEntry.url}">{rssEntry.title}</a>""")
    ttl = 0 if rssEntry.interval is None else rssEntry.interval
    ttl = max(min(ttl, s.maxTTL), s.minTTL)
    temp = f'更新间隔：{ttl}分'
    if rssEntry.lasterrortime is not None and rssEntry.lasterrortime >= rssEntry.lastupdatetime and rssEntry.errorcount > 0:
        temp = f'{temp}({s.retryTTL[rssEntry.errorcount]}分)'
    text.addtotext(temp)
    temp = '上次更新时间：未知' if rssEntry.lastupdatetime is None or rssEntry.lastupdatetime < 0 else f'上次更新时间：{timeToStr(rssEntry.lastupdatetime)}'
    text.addtotext(temp)
    if rssEntry.lasterrortime is not None:
        temp = f'上次更新失败时间：{timeToStr(rssEntry.lasterrortime)}'
        text.addtotext(temp)
    if rssEntry.errorcount > 0:
        temp = f'连续更新失败次数：{rssEntry.errorcount}'
        text.addtotext(temp)
    if len(rssEntry.chatList) > 0:
        chatEntry: ChatEntry = rssEntry.chatList[0]
        config = chatEntry.config
        text.addtotext("设置：")
        text.addtotext(f"禁用预览：{config.disable_web_page_preview}")
        text.addtotext(f"显示RSS标题：{config.show_RSS_title}")
        text.addtotext(f"显示内容标题：{config.show_Content_title}")
        text.addtotext(f"显示内容：{config.show_content}")
        text.addtotext(f"发送媒体：{config.send_media}")
        text += f"单独一行显示链接：{config.display_entry_link}"
        text += f"发送图片为文件：{config.send_img_as_file}"
        text += f"RSS全局设置："
        text += f"发送时使用原文件名：{config.send_origin_file_name}"
    return text.tostr()


def getTextContentForRSSUnsubscribeInList(rssEntry: RSSEntry) -> str:
    return f"""你是否要取消订阅<a href="{rssEntry.url}">{rssEntry.title}</a>？"""


def getInlineKeyBoardForRSSList(chatId: int, RSSEntries: List[RSSEntry], page: int = 1, lastPage: bool = False, itemIndex: int = None) -> dict:
    d = []
    i = -1
    lineLimit = 7
    l = len(RSSEntries)
    pn = ceil(l / lineLimit)
    if lastPage:
        page = pn
    if itemIndex is not None and itemIndex >= 0:
        page = floor(itemIndex / lineLimit) + 1
    if l != 0:
        page = max(min(pn, page), 1)
        s = max(lineLimit * (page - 1), 0)
        n = min(lineLimit * page, l)
        while s < n:
            rss = RSSEntries[s]
            d.append([])
            i = i + 1
            d[i].append(
                {'text': rss.title, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.Content.value},{s},{rss.id}'})
            s = s + 1
        if pn != 1:
            d.append([])
            i = i + 1
            if page != 1:
                d[i].append(
                    {'text': '上一页', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.PrevPage.value},{page}'})
            if page != pn:
                d[i].append(
                    {'text': '下一页', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.NextPage.value},{page}'})
            d.append([])
            i = i + 1
            if page != 1:
                d[i].append(
                    {'text': '首页', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.FirstPage.value}'})
            if page != pn:
                d[i].append(
                    {'text': '尾页', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.LastPage.value}'})
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '关闭', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.Close.value}'})
    return {'inline_keyboard': d}


def getInlineKeyBoardForRSSInList(chatId: int, rssEntry: RSSEntry, index: int, isOwner: bool = False) -> dict:
    d = []
    i = -1
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '取消订阅', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.Unsubscribe.value},{index},{rssEntry.id}'})
    if not rssEntry.forceupdate and isOwner:
        d.append([])
        i = i + 1
        d[i].append(
            {'text': '强制更新', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ForceUpdate.value},{index},{rssEntry.id}'})
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '设置', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.SettingsPage.value},{index},{rssEntry.id}'})
    if isOwner:
        d.append([])
        i += 1
        d[i].append({'text': 'RSS全局设置', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.GlobalSettingsPage.value},{index},{rssEntry.id}'})
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '返回', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.BackToList.value},{index}'})
    return {'inline_keyboard': d}


def getInlineKeyBoardForRSSUnsubscribeInList(chatId: int, rssEntry: RSSEntry, index: int) -> dict:
    d = []
    i = -1
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '是', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ConfirmUnsubscribe.value},{index},{rssEntry.id}'})
    d[i].append(
        {'text': '否', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.CancleUnsubscribe.value},{index},{rssEntry.id}'})
    return {'inline_keyboard': d}


def getInlineKeyBoardForRSSSettingsInList(chatId: int, rssEntry: RSSEntry, index: int, page: int = 1) -> dict:
    d = []
    i = -1
    if page != 1:
        page = 1
    chatInfo: ChatEntry = rssEntry.chatList[0]
    config = chatInfo.config
    if page == 1:
        d.append([])
        i = i + 1
        temp = '启用预览' if config.disable_web_page_preview else '禁用预览'
        d[i].append(
            {'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.DisableWebPagePreview.value},{index},{rssEntry.id}'})
        temp = '隐藏RSS标题' if config.show_RSS_title else '显示RSS标题'
        d[i].append(
            {'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ShowRSSTitle.value},{index},{rssEntry.id}'})
        d.append([])
        i = i + 1
        temp = '隐藏内容标题' if config.show_Content_title else '显示内容标题'
        d[i].append(
            {'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ShowContentTitle.value},{index},{rssEntry.id}'})
        temp = '隐藏内容' if config.show_content else '显示内容'
        d[i].append(
            {'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.ShowContent.value},{index},{rssEntry.id}'})
        d.append([])
        i = i + 1
        temp = '禁用发送媒体' if config.send_media else '启用发送媒体'
        d[i].append(
            {'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.SendMedia.value},{index},{rssEntry.id}'})
        temp = '禁用单独一行显示链接' if config.display_entry_link else '启用单独一行显示链接'
        d[i].append({'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.DisplayEntryLink.value},{index},{rssEntry.id}'})
        d.append([])
        i += 1
        temp = '禁用发送图片为文件' if config.send_img_as_file else '启用发送图片为文件'
        d[i].append({'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.SendImgAsFile.value},{index},{rssEntry.id}'})
    d.append([])
    i = i + 1
    d[i].append(
        {'text': '返回', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.BackToContentPage.value},{index},{rssEntry.id}'})
    return {'inline_keyboard': d}


def getInlineKeyBoardForRSSGlobalSettingsInList(chatId: int, rssEntry: RSSEntry, index: int, page: int = 1) -> dict:
    d = []
    i = -1
    if page != 1:
        page = 1
    chatInfo: ChatEntry = rssEntry.chatList[0]
    config = chatInfo.config
    if page == 1:
        temp = '禁用发送时使用原文件名' if config.send_origin_file_name else '启用发送时使用原文件名'
        d.append([])
        i += 1
        d[i].append({'text': temp, 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.SendOriginFileName.value},{index},{rssEntry.id}'})
    d.append([])
    i += 1
    d[i].append({'text': '返回', 'callback_data': f'1,{chatId},{InlineKeyBoardForRSSList.BackToContentPage.value},{index},{rssEntry.id}'})
    return {'inline_keyboard': d}