import os
from flask import Flask, render_template, g
from pathlib import Path
from .auth import login_required


DATABASE_NAME = "kanken_online.sqlite"
def create_app(test_config=None):
    app = Flask(__name__, instance_relative_config=True)
    app.config.from_mapping(
        SECRET_KEY="dev",
        DATABASE=str(Path(app.instance_path) / DATABASE_NAME)
    )

    if test_config is None:
        app.config.from_pyfile("config.py", silent=True)
    else:
        app.config.from_mapping(test_config)
    
    # Ensure instance path exists
    os.makedirs(app.instance_path, exist_ok=True)

    @app.route("/hello")
    def hello():
        return "Hello, World!"
    
    @app.route("/")
    def index():
        return render_template("index.html")
    
    @app.route("/options")
    @login_required
    def options():
        return render_template("options.html")
    
    @app.route("/kanji/<kanji>")
    def kanji_page(kanji: str):
        # TODO use database to get kanji
        class Kanji():
            pass

        # Highly tentative testing data
        kanji = Kanji()
        kanji.character = "麻"
        kanji.is_joyo = "joyo kanji"
        kanji.level = "pre-2"
        kanji.strokes = 11
        kanji.radical = "麻"
        kanji.added_strokes = 0
        kanji.goon = "マ"
        kanji.kanon = "バ"
        kanji.toon = ""
        kanji.soon = ""
        kanji.kanyoon = ""
        kanji.kun = "あさ, しびれる"
        kanji.meanings = "①あさ。クワ科の一年草。また、あさ類の総称。「亜麻」「乱麻」 ②しびれる。しびれ。「麻酔」「麻痺(マヒ)」類痲(マ)"
        kanji.glyph_origin = "会意。广(げん)（いえ）と、𣏟(はい)（あさ）とから成り、屋下であさの繊維をはぎとる、ひいて「あさ」の意を表す。"
        
        return render_template("kanji.html", kanji=kanji)

    @app.route("/kotoba/<kotoba>")
    def kotoba_page(kotoba: str):
        return render_template("kotoba.html", kotoba=kotoba)
    
    @app.route("/search")
    def search_page():
        return render_template("search.html")
    
    from . import database
    database.initialize_app(app)

    from . import auth, api, forum
    app.register_blueprint(auth.blueprint)
    app.register_blueprint(api.blueprint)
    app.register_blueprint(forum.blueprint)

    from . import lang

    def use_english(text_id: str):
        return lang.localize(text_id, lang.JAPANESE)
    app.jinja_env.globals.update(localize=use_english)
    

    return app