from os.path import join
from pathlib import Path
from shutil import copytree, rmtree

from jinja2 import Environment, FileSystemLoader

import jogai._globals as _globals
from jogai.settings import paths, settings
from jogai.translations import gettext as _
from jogai.videogame import load_environment, prepare

CLASSNAMES = {
    'character': _('character').capitalize(),
    'scene': _('scene').capitalize(),
}

DIRS = {
    'html': Path(f'{paths.EXPORT_MAIN_DIR}'),  # /{paths.EXPORT_HTML_SUBDIR}'),
    'css': Path(f'{paths.EXPORT_MAIN_DIR}/{paths.EXPORT_CSS_SUBDIR}'),
    'js': Path(f'{paths.EXPORT_MAIN_DIR}/{paths.EXPORT_JS_SUBDIR}'),
}


def create_dirs():
    for dir_path in DIRS.values():
        dir_path.mkdir(parents=True)
    copytree(paths.IMAGES_DIR, paths.EXPORT_MAIN_DIR / paths.IMAGES_DIR)


def write_file(filename: str, content: str):
    filename = Path(filename)
    file_path = DIRS[filename.suffix.removeprefix('.')] / filename
    with file_path.open(mode='w', encoding='utf-8') as f:
        f.write(content)


def export(environment: str):
    load_environment(environment, to_export=True)
    window_size = (settings.WINDOW_WIDTH, settings.WINDOW_HEIGHT)

    jinja_env = Environment(
        loader=FileSystemLoader(
            join(
                settings.BASE_DIR,
                paths.EXPORTER_TEMPLATES_PATH,
            )
        )
    )

    template = jinja_env.get_template('base.html')
    html_content = template.render(
        characters=_globals.vg_characters,
        classnames=CLASSNAMES,
        css_path=f'{paths.EXPORT_CSS_SUBDIR}/{environment}.css',
        current_scene=_globals.vg_scene,
        language=settings.LANGUAGE_CODE,
        js_dir=f'{paths.EXPORT_JS_SUBDIR}',
        title=_globals.vg_title,
    )

    template = jinja_env.get_template('base.css')
    css_content = template.render(
        classnames=CLASSNAMES,
        window_size=window_size,
    )

    template = jinja_env.get_template('videogame.js')
    js_videogame_content = template.render(
        characters=_globals.vg_characters,
        classnames=CLASSNAMES,
        window_size=window_size,
    )

    template = jinja_env.get_template('scene.js')
    js_scenes_content = template.render(
        classnames=CLASSNAMES,
        scene=_globals.vg_scene,
        settings=settings,
    )

    template = jinja_env.get_template('character.js')
    js_characters_content = template.render(
        classnames=CLASSNAMES,
        settings=settings,
        paths=paths,
    )

    rmtree(paths.EXPORT_MAIN_DIR)
    create_dirs()

    write_file(f'{environment}.html', html_content)
    write_file(f'{environment}.css', css_content)
    write_file('videogame.js', js_videogame_content)
    write_file('scenes.js', js_scenes_content)
    write_file('characters.js', js_characters_content)