# score display module

import pygame
from pygame.locals import *
import game, gfx

from fastdigits import FastDigits

WHITE = [255, 255, 255]
GREEN = [123, 204, 83]

FONT = None
FONTSIZE = 30

SCORE_DISPLAY_RECT = [0,0,800,34]

SCORE_LEGEND_POS = [0,0]
SCORE_POS = [100,0]
FUEL_LEGEND_POS = [220,0]
FUEL_POS = [290,0]
BOMBS_LEGEND_POS = [420,0]
BOMBS_POS = [520,0]
LIVES_LEGEND_POS = [680,0]
LIVES_POS = [760,0]

def load_game_resources():
    pass

class Scoredisplay(FastDigits):
    def __init__(self,surface):
        # build digit table
        FastDigits.__init__(self)

        self.lastscore = -1
        self.lastfuel = -1
        self.lastbombs = -1
        self.lastlives = -1

        # make subsurface for us to draw on
        self.surface = surface.subsurface(SCORE_DISPLAY_RECT)
        
        self.font = pygame.font.Font(FONT,FONTSIZE)
        fontcolor = GREEN
        self.scoreimg, self.scoreimgrect = gfx.text(self.font,fontcolor,"Score:")
        self.scoreimgrect.topleft = SCORE_LEGEND_POS
        self.fuelimg, self.fuelimgrect = gfx.text(self.font,fontcolor,"Fuel:")
        self.fuelimgrect.topleft = FUEL_LEGEND_POS
        self.bombsimg, self.bombsimgrect = gfx.text(self.font,fontcolor,"Bombs:")
        self.bombsimgrect.topleft = BOMBS_LEGEND_POS
        self.livesimg, self.livesimgrect = gfx.text(self.font,fontcolor,"Ships:")
        self.livesimgrect.topleft = LIVES_LEGEND_POS

        s_img,self.last_s_rect = gfx.text(self.font,WHITE,"0000000")
        self.last_s_rect.topleft = SCORE_POS
        f_img,self.last_f_rect = gfx.text(self.font,WHITE,"00000")
        self.last_f_rect.topleft = FUEL_POS
        b_img,self.last_b_rect = gfx.text(self.font,WHITE,"000000")
        self.last_b_rect.topleft = BOMBS_POS
        l_img,self.last_l_rect = gfx.text(self.font,WHITE,"00")
        self.last_l_rect.topleft = LIVES_POS

        self.score_erase_rect = self.last_s_rect
        self.fuel_erase_rect  = self.last_f_rect
        self.bombs_erase_rect = self.last_b_rect
        self.lives_erase_rect = self.last_l_rect

    def drawlegend(self):
        """draw the legend on the score display"""
        surface = self.surface
        dirty = gfx.dirty
        surface.blit(self.scoreimg, self.scoreimgrect)
        dirty(self.scoreimgrect)
        surface.blit(self.fuelimg, self.fuelimgrect)
        dirty(self.fuelimgrect)
        surface.blit(self.bombsimg, self.bombsimgrect)
        dirty(self.bombsimgrect)
        surface.blit(self.livesimg, self.livesimgrect)
        dirty(self.livesimgrect)


    def erase(self, rect):
        self.surface.fill(0,rect)

    def update(self,score,fuel,bombs,lives):
        """update the score display"""

        surface = self.surface
        dirty = gfx.dirty2

        if score != self.lastscore:
            self.erase(self.score_erase_rect)
            s_img,s_rect = self.num2image(score)
            s_rect.topleft = SCORE_POS
            surface.blit(s_img,s_rect)
            dirty(s_rect,self.last_s_rect)
            self.last_s_rect = s_rect
            self.lastscore = score

        if fuel != self.lastfuel:
            self.erase(self.fuel_erase_rect)
            f_img,f_rect = self.num2image(fuel)
            f_rect.topleft = FUEL_POS
            surface.blit(f_img,f_rect)
            dirty(f_rect,self.last_f_rect)
            self.last_f_rect = f_rect
            self.lastfuel = fuel

        if bombs != self.lastbombs:
            self.erase(self.bombs_erase_rect)
            b_img,b_rect = self.num2image(bombs)
            b_rect.topleft = BOMBS_POS
            surface.blit(b_img,b_rect)
            dirty(b_rect,self.last_b_rect)
            self.last_b_rect = b_rect
            self.lastbombs = bombs

        if lives != self.lastlives:
            self.erase(self.lives_erase_rect)
            l_img,l_rect = self.num2image(lives)
            l_rect.topleft = LIVES_POS
            surface.blit(l_img,l_rect)
            dirty(l_rect,self.last_l_rect)
            self.last_l_rect = l_rect
            self.lastlives = lives