import os
import sys
from . import config
from .file import *
import pyglet.resource

g_data = {}

class ModDependency(object):
    def __init__(self: object, modname: str):
        self.name = modname
        self.deps = []

    def add(self: object, modname: str):
        self.deps.append(modname)

class ModInfo(object):
    def __init__(self: object, modname: str):
        self.name = modname
        self.modinfo = None

class ModInfoDir(ModInfo):
    def __init__(self: object, modname: str):
        super().__init__(modname)

    def path(self: object, path: str) -> str:
        return os.path.join(self.name, path)

    def exists(self: object, path: str) -> object:
        return exists('data', self.path(path))

    def fd_open(self: object, path: str) -> object:
        return fd_open('data', self.path(path))

    def has_modinfo(self: object) -> bool:
        return exists('data', self.path('modinfo.json'))

    def read_modinfo(self: object) -> None:
        inffile = self.fd_open('data', self.path('modinfo.json'))
        self.modinfo = json.load(inffile)


def load_mods() -> None:
    global g_data
    g_data = {}

    full_modlist = {}
    for mod in os.listdir(os.path.join(program_path(), 'data')):
        mn, me = os.path.splitext(mod)
        if not mn in full_modlist:
            full_modlist[mn] = {}
        if me.lower() == 'zip':
            # handle zip mods here somehow
            # full_modlist[mn][me] = mod
            pass
        elif me == '' and os.path.isdir(os.path.join(program_path(), 'data', mn)):
            # bare directory used for mod development/game development
            moddata = ModInfoDir(mn)
            if moddata.has_modinfo():
                full_modlist[mn][me] = moddata

    modlist = {}
    for mn in full_modlist.keys():
        print(f"Checking mod {full_modlist[mn]}")
        if '' in full_modlist[mn]:
            modlist[mn] = full_modlist[mn]['']

    modgraph = {}

    if not modlist:
        """ we have no mods, which means we have no base game data """
        """ assume development mode, and try git! """
        import subprocess
        projectname = project_name()
        subprocess.check_output(["git", "clone", "ssh://git@git.eltanin.net/game_data/" + projectname, "maingame"], cwd=os.path.join(program_path(), "data"))

    pyglet.resource.path = []
    for mod in modlist:
        pyglet.resource.path.append('data/' + mod)

    pyglet.resource.reindex()