#!/bin/python
# -*- coding: utf-8 -*-
"""Standard initializations and functions shared by all games."""

from sys import exit
import configparser
import os
from os import listdir
from os.path import isfile, join
from inspect import isfunction
from xdg import BaseDirectory
import pygame
import pyperclip
import random
import re
import requests
import webbrowser
# Global variable for speech provider
try:
    import speechd
    spd = speechd.Client()
    speechProvider = "speechd"
except ImportError:
    import accessible_output2.outputs.auto
    s = accessible_output2.outputs.auto.Auto()
    speechProvider = "accessible_output2"
except ImportError:
    print("No other speech providers found.")
    exit()

import time

localConfig = configparser.ConfigParser()
globalConfig = configparser.ConfigParser()

def write_config(writeGlobal = False):
    if writeGlobal == False:
        with open(gamePath, 'w') as configfile:
            localConfig.write(configfile)
    else:
        with open(globalPath, 'w') as configfile:
            globalConfig.write(configfile)

def read_config(section, value, readGlobal = False):
    if readGlobal == False:
        with open(gamePath, 'r') as configfile:
            return localConfig.read(section, value)
    else:
            return globalConfig.read(section, value)
        
def speak(text, interupt = True):
    if speechProvider == "speechd":
        if interupt == True: spd.cancel()
        spd.say(text)
    else:
        if speechProvider == "accessible_output2":
            s.speak(text, interrupt=True)


def exit_game():
    if speechProvider == "speechd": spd.close()
    pygame.mixer.music.stop()
    pygame.quit()
    exit()

def initialize_gui(gameTitle):
    # Check for, and possibly create, storm-games path    
    global globalPath
    global gamePath
    globalPath = BaseDirectory.xdg_config_home + "/storm-games"
    gamePath = globalPath + "/" + str.lower(str.replace(gameTitle, " ", "-") + "config")
    globalPath = globalPath + "/config"
    if not os.path.exists(gamePath): os.makedirs(gamePath)
    # Seed the random generator to the clock
    random.seed()
    # Set game's name
    global gameName
    gameName = gameTitle
    # start pygame
    pygame.init()
    # start the display (required by the event loop)
    pygame.display.set_mode((320, 200))
    pygame.display.set_caption(gameTitle)
    # Set 32 channels for sound by default
    pygame.mixer.init()
    pygame.mixer.set_num_channels(32)
    # Reserve the cut scene channel
    pygame.mixer.set_reserved(0)
    # Load sounds from the sound directory and creates a list like that {'bottle': 'bottle.ogg'}
    soundFiles = [f for f in listdir("sounds/") if isfile(join("sounds/", f)) and (f.split('.')[1].lower() in ["ogg","wav"])]
    #lets make a dict with pygame.mixer.Sound() objects {'bottle':<soundobject>}
    soundData = {}
    for f in soundFiles:
        soundData[f.split('.')[0]] = pygame.mixer.Sound("sounds/" + f)
    soundData['game-intro'].play()
    time.sleep(soundData['game-intro'].get_length())
    return soundData

def cut_scene(sounds, soundName):
    pygame.event.clear()
    pygame.mixer.stop()
    c = pygame.mixer.Channel(0)
    c.play(sounds[soundName])
    while pygame.mixer.get_busy():
        event = pygame.event.poll()
        if event.type == pygame.KEYDOWN and event.key in [pygame.K_ESCAPE, pygame.K_RETURN, pygame.K_SPACE]:
            pygame.mixer.stop()
        pygame.event.pump()

def play_random(sounds, soundName, pause = False, interrupt = False):
    key = []
    for i in sounds.keys():
        if re.match("^" + soundName + ".*", i):
            key.append(i)
    randomKey = random.choice(key)
    if interrupt == False:
        sounds[randomKey].play()
    else:
        cut_scene(sounds, randomKey)
        # Cut scenes override the pause option
        return
    if pause == True:
        time.sleep(sounds[randomKey].get_length())
    
def instructions():
    # Read in the instructions file
    try:
        with open('files/instructions.txt', 'r') as f:
            info = f.readlines()
    except:
        info = ["Instructions file is missing."]
    display_text(info)

def credits():
    # Read in the credits file.
    try:
        with open('files/credits.txt', 'r') as f:
            info = f.readlines()
        # Add the header
        info.insert(0, gameName + ": brought to you by Storm Dragon")
    except:
        info = ["Credits file is missing."]
    display_text(info)

def display_text(text):
    i = 0
    text.insert(0, "Press space to read the whole text. Use up and down arrows to navigate the text line by line. Press c to copy the current line to the clipboard or t to copy the entire text. Press enter or escape when you are done reading.")
    text.append("End of text.")
    speak(text[i])
    while True:
        event = pygame.event.wait()
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_ESCAPE or event.key == pygame.K_RETURN: return
            if event.key == pygame.K_DOWN and i < len(text) - 1: i = i + 1
            if event.key == pygame.K_UP and i > 0: i = i - 1
            if event.key == pygame.K_SPACE:
                speak(' '.join(text[1:]))
            else:
                speak(text[i])
            if event.key == pygame.K_c:
                try:
                    pyperclip.copy(text[i])
                    speak("Copied " + text[i] + " to the clipboard.")
                except:
                    speak("Failed to copy the text to the clipboard.")
            if event.key == pygame.K_t:
                try:
                    pyperclip.copy(''.join(text[1:-1]))
                    speak("Copied entire message to the clipboard.")
                except:
                    speak("Failed to copy the text to the clipboard.")
        event = pygame.event.clear()
        time.sleep(0.001)

def learn_sounds(sounds):
    loop = True
    pygame.mixer.music.pause()
    i = 0
    soundFiles = [f for f in listdir("sounds/") if isfile(join("sounds/", f)) and (f.split('.')[1].lower() in ["ogg","wav"]) and (f.split('.')[0].lower() not in ["game-intro", "music_menu"])]
    # j keeps track of last spoken index so it isn't voiced on key up.
    j = -1
    while loop == True:
        if i != j:
            speak(soundFiles[i][:-4])
            j = i
        event = pygame.event.wait()
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_ESCAPE: return "menu"
            if event.key == pygame.K_DOWN and i < len(soundFiles) - 1:
                i = i + 1
            if event.key == pygame.K_UP and i > 0:
                i = i - 1
            if event.key == pygame.K_RETURN:
                try:
                    soundName = soundFiles[i][:-4]
                    sounds[soundName].play()
                    continue
                except:
                    j = -1
                    speak("Could not play sound.")
                    continue
        event = pygame.event.clear()
        time.sleep(0.001)

def game_menu(*options):
    loop = True
    if pygame.mixer.music.get_busy():
        pygame.mixer.music.unpause()
    else:
        pygame.mixer.music.load("sounds/music_menu.ogg")
        pygame.mixer.music.set_volume(0.75)
        pygame.mixer.music.play(-1)
    i = 0
    # j keeps track of last spoken index so it isn't voiced on key up.
    j = -1
    while loop == True:
        if i != j:
            speak(options[i])
            j = i
        event = pygame.event.wait()
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_ESCAPE: exit_game()
            if event.key == pygame.K_DOWN and i < len(options) - 1:
                i = i + 1
                if options[i] != "donate": pygame.mixer.music.unpause()
            if event.key == pygame.K_UP and i > 0:
                i = i - 1
                if options[i] != "donate": pygame.mixer.music.unpause()
            if event.key == pygame.K_RETURN:
                try:
                    j = -1
                    eval(options[i] + "()")
                    continue
                except:
                    j = -1
                    return options[i]
                    continue
        event = pygame.event.clear()
        time.sleep(0.001)

def donate():
    pygame.mixer.music.pause()
    webbrowser.open('https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=stormdragon2976@gmail.com&lc=US&item_name=Donation+to+Storm+Games&no_note=0&cn=&currency_code=USD&bn=PP-DonationsBF:btn_donateCC_LG.gif:NonHosted')