from __future__ import print_function

import os

from appdirs import user_data_dir
from configobj import ConfigObj, flatten_errors, Section
from validate import Validator

from exclude import MAME_EXCLUDE
from utils import get_pygame_keydict, get_keys

CFG = '''ResolutionX = integer(default=1024)
ResolutionY = integer(default=768)
FullScreen = boolean(default=False)
Font = string(default='microsoftsansserif')
FontSize = integer(default=13)
QuitKeyPresses = integer(min=1,default=3)
ScanLines = boolean(default=True)
Key_Up = list(default=list('K_UP'))
Key_Down = list(default=list('K_DOWN'))
Key_PgUp = list(default=list('K_LEFT','K_PAGEUP'))
Key_PgDn = list(default=list('K_RIGHT','K_PAGEDOWN'))
Key_Home = list(default=list('K_HOME'))
Key_End = list(default=list('K_END'))
Key_Select = list(default=list('K_RETURN','K_1'))
Key_GameInfo = list(default=list('K_5'))
Key_GameHistory = list(default=list('K_6'))
Key_Popup = list(default=list('K_2'))
Key_ShowArtwork = list(default=list())
AlwaysChangeSnap = boolean(default=True)
HideMature = boolean(default=True)
Emulator = string()
[__many__]
EXE = string()
Version = string(default=None)
ShowClones = boolean(default=True)
Category = string(default='All Games')
GameAtTop = integer(min=0,default=0)
CurrentGame = integer(min=0,default=0)
EmulatorType = option('MAME','MESS','CSV',default='MAME')
StatusFilter = list(default=list())
Sort = option('Name Asc','Name Dec','Year Asc','Year Dec',default='Name Asc')
SnapDir = string(default=None)
CSVFile = string(default=None)
ArtworkDirs = list(default=list())
'''

appname = 'MFE'
appauthor = 'RMJ'

datadir = user_data_dir(appname, appauthor)
datadir = os.getcwd()

if not os.path.isdir(datadir):
    os.makedirs(datadir)

spec = CFG.split('\n')
cfg = ConfigObj(
    os.path.join(datadir, 'mfe.ini'), configspec=spec, encoding='UTF8')

validator = Validator()
result = cfg.validate(validator, copy=True, preserve_errors=True)

stop = False
for entry in flatten_errors(cfg, result):
    section_list, key, error = entry
    if key is not None:
        section_list.append(key)
    else:
        section_list.append('[missing section]')
    section_string = ', '.join(section_list)
    if error is False:
        error = 'Missing value or section.'
    print(section_string, ' = ', error)
    stop = True

cfg.write()

if stop:
    exit()

cfg["datadir"] = datadir

if not os.path.isfile(os.path.join(datadir, 'mame_exclude.txt')):
    with open(os.path.join(datadir, "mame_exclude.txt"), "wt") as f:
        f.write(MAME_EXCLUDE)

keys = get_pygame_keydict()
cfg['KeyUp'] = get_keys(keys, cfg['Key_Up'])
cfg['KeyDown'] = get_keys(keys, cfg['Key_Down'])
cfg['KeyPgUp'] = get_keys(keys, cfg['Key_PgUp'])
cfg['KeyPgDn'] = get_keys(keys, cfg['Key_PgDn'])
cfg['KeyHome'] = get_keys(keys, cfg['Key_Home'])
cfg['KeyEnd'] = get_keys(keys, cfg['Key_End'])
cfg['KeySelect'] = get_keys(keys, cfg['Key_Select'])
cfg['KeyGameInfo'] = get_keys(keys, cfg['Key_GameInfo'])
cfg['KeyGameHistory'] = get_keys(keys, cfg['Key_GameHistory'])
cfg['KeyPopup'] = get_keys(keys, cfg['Key_Popup'])
cfg['KeyShowArtwork'] = get_keys(keys, cfg['Key_ShowArtwork'])


def config_write():
    Exclude = [
        'KeyUp', 'KeyDown', 'KeyPgUp', 'KeyPgDn', 'KeySelect', 'KeyGameInfo',
        'KeyGameHistory', 'KeyPopup', 'KeyHome', 'KeyEnd', 'KeyShowArtwork',
        'datadir'
    ]

    t = {}
    for item in Exclude:
        t[item] = cfg[item]
        del cfg[item]

    cfg.write()

    for item in t:
        cfg[item] = t[item]


def get_emu(option=None):
    if option:
        r = cfg[cfg['Emulator']][option]
    else:
        r = cfg[cfg['Emulator']]
    return r


def set_emu(option, data):
    cfg[cfg['Emulator']][option] = data


def get_emulators():
    r = []
    for k in cfg.keys():
        if isinstance(cfg[k], Section):
            r.append(k)
    return r