http://www.wtfpl.net/about/
'''
import tweepy
import time
import sys
import pause
import datetime
import os.path
from glob import glob

print("Monogatari bot V2.5 r286 beta 3")

#login
Online = True #Set to False for offline debug mode
ApiKey = "GET YOUR OWN TOKENS"
ApiKeySecret = "PUT THEM HERE"
AccessToken = "YEAH"
AccessTokenSecret = "YOU"

# config goes here
Slogan = r"" # post caption
Path = "./**/**/*.jpg" # image search path/parameters. uses glob syntax (https://en.wikipedia.org/wiki/Glob_%28programming%29#Syntax). ".*.jpg" for same dir, "./images/*.jpg" for images subdir, etc
Interval = 10   # minutes between posts
DelayStart = False

IconFile = "\icon.jpg"
HeaderFile = "\header.jpg"

# functions

def Panic():
        # api.update_status(ErrorMessage)
        print(ErrorMessage)
        Errors = 0

def GetFiles(rootPath, verbose):
        foundfiles = sorted(filter(os.path.isfile, glob(rootPath)))
        files = []
        for item in foundfiles:
                if (IconFile not in item) and (HeaderFile not in item):
                        files.append(item)
                else:
                        if(verbose):    
                                print("removed ", item)
        return files

def SendTweet(message,filename):
        Name = os.path.splitext(os.path.basename(filename))[0]
        print("post", Name, filename)
        if Online:      # Offline mode always works
                try:
                        # api.update_with_media(filename, status=Name)
                        file = api.media_upload(filename)
                        api.update_status(message + Name, media_ids = [file.media_id])
                        return True
                except:
                        print("posting broke somewhere, trying again")
                        for e in sys.exc_info():
                                print(e)
                        return False
        else:
                return True

def ChangeIcon(path):
        print("Icon change ", path)
        if Online:
                api.update_profile_image(path)
    
def ChangeHeader(path):
        print("Header change ", path)
        if Online:
                api.update_profile_banner(path)
                
# initial state
StartIndex = 0

# load images
ImageList = GetFiles(Path, True)
ListLength = len(ImageList)
print(ListLength, "files")

# resume state
if not os.path.isfile("state.txt"):
        with open("state.txt","w") as saveFile:
                saveFile.write(ImageList[0])
        print("Starting new state file")
else:
        with open("state.txt","r") as saveFile:
                line = saveFile.readlines()
                lastImage = line[0]
                lastImage.replace(r"//",r"/")
        try:
                StartIndex = ImageList.index(lastImage)
                print("{0} : {1}", lastImage, ImageList[StartIndex])
        except:
                StartIndex = 0
                print("invalid state - restart")
        print("Resuming at " + ImageList[StartIndex])

# twitter login
if Online:
        auth = tweepy.OAuth1UserHandler(ApiKey, ApiKeySecret, AccessToken, AccessTokenSecret)
        api = tweepy.API(auth)
        try:
                api.verify_credentials()
                print("twitter OK")
        except:
                print("twitter not OK, try again (", sys.exc_info()[0], ")")
                sys.exit()
else:
        print("Offline testing mode")


#post
LastDirectory = ""
while(True):
        index = StartIndex
        while(index < ListLength):
                next = (index + 1) % ListLength
                Now = datetime.datetime.now()
                DoPost = True
                ImageName = ""
                while(DoPost):
                        try:
                                ImageName = ImageList[index]

                                print("file ", index, "/", ListLength-1)
                                sent = SendTweet(Slogan, ImageName)
                                if sent:
                                        print("OK!")
                                        try:
                                                with open("state.txt","w") as saveFile:
                                                        if(next < index):
                                                                StartIndex = 0
                                                        ImageName = ImageList[next]
                                                        saveFile.write(ImageName)
                                        except:
                                                print("Progress not saved to file!! (", sys.exc_info()[0], ")")
                                        DoPost = False  #no need to retry
                                        index = next
                                else:
                                        print("Trying again")
                        except:
                                print("posting broke somewhere, trying again")
                                for e in sys.exc_info():
                                        print(e)

                                
                        if DoPost:      # retry every 5 seconds after error
                                Now += datetime.timedelta(seconds = 5)
                                pause.until(Now)
                        else: #normal posting schedule

                                # Update icon paths
                                try:
                                        Directory = os.path.dirname(ImageName)
                                        # print("dir", Directory)
                                        if (Directory != LastDirectory):
                                                print("Directory changed to", Directory)
                                                ChangeIcon(Directory + IconFile)
                                                ChangeHeader(Directory + HeaderFile)
                                except:
                                        print("can't update icons, error?")
                                
                                LastDirectory = Directory
                                
                                NewList = GetFiles(Path, False)        #Reload DB
                                NewLength = len(NewList)
                                if NewLength != ListLength:     #If DB changed
                                        ImageList.clear()       #clear out old (unneccersary?)
                                        ImageList = NewList     #Use new DB
                                        print("Database change detected! Change delta : ", NewLength - ListLength, "(",NewLength,")")
                                        ListLength = NewLength  #Update length
                                        newIndex = ImageList.index(ImageName)  
                                        if next != newIndex:     #If point EARLIER than current post has been edited, reseek
                                                print("Update post index pointer", index, "to", newIndex)
                                                index = newIndex
                                minutes = 60	#	on minute in seconds
                                time.sleep(minutes * Interval)
                                # pause.until(Now + datetime.timedelta(minutes = Interval))       #Delay for the rest of wait period

        StartIndex = 0
        print("Sequence restart!")