from flask import Flask, jsonify, request, render_template, redirect, url_for
from flask_login import LoginManager, UserMixin, login_user, login_required, logout_user, current_user
import secrets
from modules import storage

app = Flask(__name__, template_folder='../templates', static_folder='../static')
app.config['SECRET_KEY'] = 'your-secret-key'
login_manager = LoginManager(app)
login_manager.login_view = 'login'

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

@login_manager.user_loader
def load_user(user_id):
    user_data = storage.get_user_by_id(user_id)
    if user_data:
        return User(id=user_data['id'], username=user_data['username'], email=user_data['email'])
    return None

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/login', methods=['GET', 'POST'])
def login():
    if request.method == 'POST':
        username = request.form.get('username')
        password = request.form.get('password')
        
        user = storage.authenticate_user(username, password)
        if user:
            login_user(User(id=user['id'], username=user['username'], email=user['email']))
            return redirect(url_for('dashboard'))
        else:
            return render_template('login.html', error='Invalid credentials')
    return render_template('login.html')

@app.route('/logout')
@login_required
def logout():
    logout_user()
    return redirect(url_for('index'))

@app.route('/dashboard')
@login_required
def dashboard():
    return render_template('dashboard.html')

@app.route('/generate_api_key', methods=['POST'])
@login_required
def generate_api_key():
    api_key = secrets.token_urlsafe(32)
    storage.store_api_key(current_user.id, api_key)
    return jsonify({'api_key': api_key})

@app.route('/wallet/<int:wallet_id>/transactions', methods=['GET'])
@login_required
def get_transactions(wallet_id):
    transactions = storage.get_transactions(wallet_id)
    return jsonify(transactions)

@app.route('/wallet/<int:wallet_id>/holdings', methods=['GET'])
@login_required
def get_holdings(wallet_id):
    holdings = storage.get_holdings(wallet_id)
    return jsonify(holdings)

# Implement other routes for reports, price alerts, following accounts, etc.

def init_app():
    return app