from os import listdir
from os.path import join

from transistors.GameChild import *
from Slide import *

class Slides(GameChild):

    def __init__(self, parent):
        GameChild.__init__(self, parent)
        self.load()
        self.current = 0

    def load(self):
        slides = []
        directory = self.get_resource("introduction-images-path")
        for path in sorted(listdir(directory)):
            slides.append(Slide(self, join(directory, path)))
        self.slides = slides

    def reset(self):
        self.current = 0

    def advance(self):
        looped = False
        current = self.current + 1
        if current >= len(self.slides):
            current = 0
            looped = True
        self.current = current
        return not looped

    def draw(self):
        self.slides[self.current].draw()

from pygame import image
from pygame.transform import smoothscale

from transistors.GameChild import *

class Slide(GameChild):

    def __init__(self, parent, path):
        GameChild.__init__(self, parent)
        self.path = path
        self.destination = self.get_screen()
        self.load()

    def load(self):
        size = self.destination.get_size()
        self.slide = smoothscale(image.load(self.path), size).convert()

    def draw(self):
        self.destination.blit(self.slide, (0, 0))

class Parameters:

    ints = ["time-limit", "display-frame-duration", "display-wait-duration",
            "terrain-size", "orb-size", "orb-padding", "manna-size",
            "cells-type-count", "audio-bg-channel", "terrain-border"]

    floats = ["territory-initial-coverage"]

    tuples = ["display-dimensions"]

    paths = ["introduction-images-path", "capture-path"]

    str_lists = ["territory-colors", "keys-reset", "keys-capture-screen",
                 "keys-quit"]

    bools = []

import re
import os
from os.path import isfile, join

import pygame

from Parameters import *

class Configuration(dict):

    assignment_operator = "="
    comments_operator = "#"
    field_separator = ","
    keys_prefix = "keys_"
    true_values = ["yes", "y", "true", "t", "1"]
    
    def __init__(self):
        self.set_file_path()
        self.parse()

    def set_file_path(self):
        path = "config"
        if not isfile(path):
            path = join("/usr/local/share/transistors/", path)
        self.file_path = path            
    
    def parse(self):
        for line in file(self.file_path):
            line = line.strip()
            if len(line) > 0 and line[0] != self.comments_operator:
                (lval, rval) = map(
                    str.strip, line.split(self.assignment_operator))
                if lval in Parameters.ints:
                    rval = int(rval)
                if lval in Parameters.floats:
                    rval = float(rval)
                if lval in Parameters.bools:
                    rval = True if self.is_true_value(rval) else False
                if lval in Parameters.paths:
                    rval = os.path.join(*rval.split(os.sep))
                if lval in Parameters.tuples:
                    rval = eval(rval)
                if lval in Parameters.str_lists:
                    rval = map(str.strip, rval.split(self.field_separator))
                    if self.is_key_assignment(lval):
                        rval = map(lambda key: getattr(pygame, key), rval)
                self[lval] = rval

    def is_true_value(self, rval):
        return rval.lower() in self.true_values

    def is_key_assignment(self, lval):
        pattern = "^" + self.keys_prefix + "*"
        return re.match(pattern, lval) is not None

from transistors.GameChild import *
from transistors.EventDelegate import *
from terrain.Terrain import *

class World(GameChild):

    def __init__(self, parent):
        GameChild.__init__(self, parent)
        self.deactivate()
        self.subscribe_to_events()
        self.add_terrain()

    def subscribe_to_events(self):
        self.subscribe_to(EventDelegate.state_change_event,
                          self.respond_to_state_change)

    def respond_to_state_change(self, evt):
        if evt.state == "introduction-finished":
            self.activate()

    def activate(self):
        self.active = True
        self.set_music()

    def set_music(self):
        self.get_audio().play_bgm(self.get_resource("world-music-path"))

    def deactivate(self):
        self.active = False

    def add_terrain(self):
        width, height = self.get_screen().get_size()
        terrain_width = self.get_configuration()["terrain-size"]
        terrain = []
        for ii in range(width / terrain_width + 1):
            for jj in range(height / terrain_width + 1):
                terrain.append(Terrain(self, (ii, jj)))
        self.terrain = terrain        

    def update(self):
        if self.active:
            for terrain in self.terrain:
                terrain.update()

from pygame import Surface, Rect, Color

from transistors.GameChild import *

class Terrain(GameChild, Surface):

    def __init__(self, parent, coordinates):
        GameChild.__init__(self, parent)
        self.coordinates = coordinates
        self.init_surface()
        self.set_rect()
        self.set_background()
        self.set_clip()

    def init_surface(self):
        width = self.get_configuration()["terrain-size"]
        Surface.__init__(self, (width, width))

    def set_rect(self):
        rect = self.get_rect()
        ii, jj = self.coordinates
        offset = self.get_width() / 2
        rect.topleft = ii * rect.w - offset, jj * rect.w - offset
        self.rect = rect

    def set_background(self):
        background = Surface(self.get_size())
        background.fill(Color(self.get_configuration()["terrain-border-color"]))
        self.blit(background, (0, 0))
        self.background = background

    def set_clip(self):
        width = self.get_width() - self.get_configuration()["terrain-border"]
        Surface.set_clip(self, Rect(0, 0, width, width))

    def update(self):
        self.clear()
        self.draw()

    def clear(self):
        self.blit(self.background, (0, 0))

    def draw(self):
        self.fill(Color("black"))
        self.get_screen().blit(self, self.rect)