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

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 random
import requests
import speechd
import subprocess
import time

localConfig = configparser.ConfigParser()
globalConfig = configparser.ConfigParser()
spd = speechd.Client()

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 interupt == True: spd.cancel()
    spd.say(text)

def exit_game():
    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)
    # 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 display_message(info):
    info.append("Press escape or enter to continue.")
    info.reverse()
    info.append("Use the up and down arrow keys to navigate this message.")
    info.reverse()
    i = 0
    speak(str(info[0:len(info)]))
    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(info) - 1: i = i + 1
            if event.key == pygame.K_UP and i > 0: i = i - 1
            speak(info[i])
        event = pygame.event.clear()
        time.sleep(0.001)
 
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():
    info = [
        gameName + ": brought to you by Storm Dragon",\
        "Billy Wolfe, designer and coder.",\
        "https://social.wolfe.casa/storm"]
    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 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])
        event = pygame.event.clear()
        time.sleep(0.001)

def game_menu(*options):
    loop = True
    pygame.mixer.music.load("sounds/music_menu.ogg")
    pygame.mixer.music.set_volume(0.75)
    pygame.mixer.music.play(-1)
    i = 0
    speak(options[i])
    while loop == True:
        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:
                    eval(options[i] + "()")
                    continue
                except:
                    return options[i]
                    continue
            speak(options[i])
        event = pygame.event.clear()
        time.sleep(0.001)

def donate():
    pygame.mixer.music.pause()
    subprocess.call(["xdg-open", "https://liberapay.com/stormdragon2976/donate"])