from typing import Union
import lxml.etree       # Used by imageFunc
import datetime         # Used by helloFunc
import json             # Used by spellFunc
import random           # Used by imageFunc
import urllib           # Used by imageFunc
import time             # Used for logging
import logging          # Used for... you know... logging
import wikia            # Used by findWikiPage
import os               # Used by makeFiles

logging.basicConfig(filename="gwendolyn.log", level=logging.INFO)

# Capitalizes all words except some of them
no_caps_list = ["of","the"]
def cap(s):
    # Capitalizes a strink like a movie title
    word_number = 0
    lst = s.split()
    res = ''
    for word in lst:
        word_number += 1
        if word not in no_caps_list or word_number == 1:
            word = word.capitalize()
        res += word+" "
    res = res[:-1]
    return res

def time_in_range(start, end, x):
    # Return true if x is in the range [start, end]
    if start <= end:
        return start <= x <= end
    else:
        return start <= x or x <= end

# Responds with a greeting of a time-appropriate maner
def helloFunc(author):
    now = datetime.datetime.now()
    if time_in_range(now.replace(hour=5, minute=0, second=0, microsecond=0),now.replace(hour=10, minute=0, second=0, microsecond=0), now):
        return("Good morning, "+str(author))
    elif time_in_range(now.replace(hour=10, minute=0, second=0, microsecond=0),now.replace(hour=13, minute=0, second=0, microsecond=0), now):
        return("Good day, "+str(author))
    elif time_in_range(now.replace(hour=13, minute=0, second=0, microsecond=0),now.replace(hour=18, minute=0, second=0, microsecond=0), now):
        return("Good afternoon, "+str(author))
    elif time_in_range(now.replace(hour=18, minute=0, second=0, microsecond=0),now.replace(hour=22, minute=0, second=0, microsecond=0), now):
        return("Good evening, "+str(author))
    elif time_in_range(now.replace(hour=22, minute=0, second=0, microsecond=0),now.replace(hour=23, minute=59, second=59, microsecond=0), now):
        return("Good night, "+str(author))
    else:
        return("Why hello, "+str(author))

# Finds a random picture online
def imageFunc():
    # Picks a type of camera, which decides the naming scheme
    try:
        cams = ("one","two","three","four")
        cam = random.choice(cams)
        logThis("Chose cam type "+cam)
        if cam == "one":
            a = str(random.randint(0 ,9))
            b = str(random.randint(0,9))
            c = str(random.randint(0,9))
            d = str(random.randint(0,9))
            search = ("img_"+a+b+c+d)
        elif cam == "two":
            a = str(random.randint(2012,2016))
            b = str(random.randint(1,12)).zfill(2)
            c = str(random.randint(1,29)).zfill(2)
            search = ("IMG_"+a+b+c)
        elif cam == "three":
            a = str(random.randint(1,500)).zfill(4)
            search = ("IMAG_"+a)
        elif cam == "four":
            a = str(random.randint(0,9))
            b = str(random.randint(0,9))
            c = str(random.randint(0,9))
            d = str(random.randint(0,9))
            search = ("DSC_"+a+b+c+d)
    except:
        logThis("error picking camera type (error code 702)")

    logThis("Searching for "+search)

    # Searches for the image and reads the resulting web page
    try:
        page = urllib.request.urlopen("https://www.bing.com/images/search?q="+search+"&safesearch=off")
        read = page.read()
        tree = lxml.etree.HTML(read)
        images = tree.xpath('//a[@class = "thumb"]/@href')

        # Picks an image
        number = random.randint(1,len(images))-1
        image = images[number]

        logThis("Picked image number "+str(number))

        # Returns the image
        logThis("Successfully returned an image")
    except:
        image = "Couldn't connect to bing (error code 701)"
        logThis("Couldn't connect to bing (error code 701)")
    return(image)

def logThis(messages : Union[str, list], channel = "", level = 20):
    localtime = time.asctime(time.localtime(time.time()))
    channel = channel.replace("Direct Message with ","")
    if type(messages) is str:
        messages = [messages]

    for x, msg in enumerate(messages):
        if channel == "":
            messages[x] = localtime+" - "+msg
        else:
            messages[x] = localtime+" ("+channel+") - "+msg

    if len(messages) == 1:
        messages[0] += " (details in log)"

    if level != 10:
        print(messages[0])

    for logMessage in messages:
        logging.log(level, logMessage)

# Finds a page from the Senkulpa Wikia
def findWikiPage(search : str):
    logThis("Trying to find wiki page for "+search)
    wikia.set_lang("da")
    searchResults = wikia.search("senkulpa",search)
    if len(searchResults) > 0:
        try:
            searchResult = searchResults[0].replace(",","%2C")
            logThis("Found page \""+searchResult+"\"")
            page = wikia.page("senkulpa",searchResult)
            content = page.content.replace(u'\xa0', u' ').split("\n")[0]

            images = page.images
            if len(images) > 0:
                image = images[len(images)-1]+"/revision/latest?path-prefix=da"
                return page.title, content, image
            else:
                return page.title, content, ""
        except:
            logThis("Fucked up (error code 1001)")
            return "", "Sorry. Fucked that one up (error code 1001)", ""
    else:
        logThis("Couldn't find the page (error code 1002)")
        return "", "Couldn't find page (error code 1002)", ""

def makeJsonFile(path,content):
    # Creates json file if it doesn't exist
    try:
        f = open(path,"r")
    except:
        logThis(path.split("/")[-1]+" didn't exist. Making it now.")
        with open(path,"w") as f:
            json.dump(content,f,indent = 4)
    finally:
        f.close()

def makeTxtFile(path,content):
    # Creates txt file if it doesn't exist
    try:
        f = open(path,"r")
    except:
        logThis(path.split("/")[-1]+" didn't exist. Making it now.")
        with open(path,"w") as f:
            f.write(content)
    finally:
        f.close()

def makeFolder(path):
    if os.path.isdir(path) == False:
        os.makedirs(path)
        logThis("The "+path.split("/")[-1]+" directory didn't exist")

def makeFiles():
    with open("resources/startingFiles.json") as f:
        data = json.load(f)

    for path, content in data["json"].items():
        makeJsonFile(path,content)

    for path, content in data["txt"].items():
        makeTxtFile(path,content)

    for path in data["folder"]:
        makeFolder(path)

# Replaces multiple things with the same thing
def replaceMultiple(mainString, toBeReplaces, newString):
    # Iterate over the strings to be replaced
    for elem in toBeReplaces :
        # Check if string is in the main string
        if elem in mainString :
            # Replace the string
            mainString = mainString.replace(elem, newString)

    return mainString

def emojiToCommand(emoji):
    if emoji == "1️⃣":
        return 1
    elif emoji == "2️⃣":
        return 2
    elif emoji == "3️⃣":
        return 3
    elif emoji == "4️⃣":
        return 4
    elif emoji == "5️⃣":
        return 5
    elif emoji == "6️⃣":
        return 6
    elif emoji == "7️⃣":
        return 7
    elif emoji == "🎲":
        return "roll"
    elif emoji == "❌":
        return "none"
    elif emoji == "✔️":
        return 1
    else: return ""