from flask import Blueprint, request, render_template, redirect, flash, session
from app.services.user_service import UserService  

auth_bp = Blueprint("auth", __name__, url_prefix="/auth")

# LOGIN PAGE
@auth_bp.route("/login", methods=["GET", "POST"])
def login():
    if request.method == "POST":
        user = UserService.validate_login(
            request.form["email"],
            request.form["password"]
        )
        if user:
            session["user_id"] = user.id
            return redirect("/dashboard")
        flash("Invalid credentials", "danger")
    return render_template("login.html")

# REGISTER API ONLY
@auth_bp.route("/register", methods=["POST"])
def register():
    data = request.json
    UserService.register_user(data["name"], data["email"], data["password"])
    return {"message": "User registered successfully"}, 201

# LOGOUT
@auth_bp.route("/logout")
def logout():
    session.clear()
    return redirect("/auth/login")