from flask import Flask, request, jsonify, redirect, url_for
from flask_cors import CORS
from flask_login import LoginManager, UserMixin, login_user, logout_user, login_required, current_user
from db import init_db, get_db
from routes.api import api
from routes.dashboard import dashboard
from routes.auth import auth
import logging

logging.basicConfig(
    level=logging.WARNING,
    format='%(asctime)s [%(name)s] %(levelname)s: %(message)s'
)

# Initialise DB schema when the app starts
init_db()

app = Flask(__name__)
app.secret_key = 'grc-super-secret-key-change-in-production'

# ----------------------------------------------------------------
# Flask-Login setup
# ----------------------------------------------------------------
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'auth.login'
login_manager.login_message = 'Παρακαλώ συνδεθείτε για να συνεχίσετε.'

class User(UserMixin):
    def __init__(self, id, username, clan_id):
        self.id       = id
        self.username = username
        self.clan_id  = clan_id

@login_manager.user_loader
def load_user(user_id):
    conn = get_db()
    row  = conn.execute('SELECT id, username, clan_id FROM users WHERE id = ?', (user_id,)).fetchone()
    conn.close()
    if row:
        return User(row['id'], row['username'], row['clan_id'])
    return None

# Make current_user available in all templates
@app.context_processor
def inject_user():
    return dict(current_user=current_user)

# ----------------------------------------------------------------
# CORS
# ----------------------------------------------------------------
CORS(app, resources={r"/*": {"origins": "*"}}, supports_credentials=False)

@app.after_request
def add_cors_headers(response):
    response.headers['Access-Control-Allow-Origin']  = '*'
    response.headers['Access-Control-Allow-Methods'] = 'GET, POST, DELETE, OPTIONS'
    response.headers['Access-Control-Allow-Headers'] = 'Content-Type, Authorization, X-Clan-Key'
    return response

@app.route('/', defaults={'path': ''}, methods=['OPTIONS'])
@app.route('/<path:path>', methods=['OPTIONS'])
def handle_options(path):
    return jsonify({}), 200

# ----------------------------------------------------------------
# Blueprints
# ----------------------------------------------------------------
app.register_blueprint(api)
app.register_blueprint(dashboard)
app.register_blueprint(auth)

if __name__ == '__main__':
    print("✅ Grepolis Remote — DB initialised")
    app.run(host='0.0.0.0', port=5050, debug=True)