# Render markdown template for nKode enrollment
from pathlib import Path

import numpy as np
from jinja2 import Environment, FileSystemLoader, select_autoescape
from secrets import choice
from string import ascii_lowercase
from src.models import NKodePolicy, KeypadSize
from src.nkode_api import NKodeAPI
from src.utils import select_keys_with_passcode_values


def render_markdown_template(template_path, output_path, context):
    """
    Render a Jinja2 markdown template with the given context and save to output_path.

    Args:
        template_path (Path): Path to the template file
        output_path (Path): Path where the rendered file will be saved
        context (dict): Template variables
    """
    template_dir = template_path.parent
    template_file = template_path.name

    env = Environment(
        loader=FileSystemLoader(template_dir),
        autoescape=select_autoescape(['html', 'xml']),
        trim_blocks=True,
        lstrip_blocks=True
    )

    template = env.get_template(template_file)
    rendered = template.render(**context)

    with open(output_path, 'w') as f:
        f.write(rendered)

    print(f"Template rendered to {output_path}")


def display_icons(icons_array: np.ndarray, kp: KeypadSize) -> str:
    icons = "["
    for row in icons_array.reshape(-1, kp.numb_of_keys):
        icons += ",".join(row)
        icons += "<br/>"
    icons = icons[:-5]
    icons += "]"
    return icons

def display_icons_keypad(icons_array: np.ndarray, kp: KeypadSize) -> str:
    icons = ""
    for idx, row in enumerate(icons_array.reshape(-1, kp.numb_of_keys)):
        icons += f"Key {idx}: "
        icons += str(row)
        icons += "<br/>"
    return icons

if __name__ == "__main__":
    api = NKodeAPI()
    user_icons = np.array([
        "😀", "😂", "🥳", "😍", "🤓",
        "😎", "🥺", "😡", "😱", "🤯",
        "🥰", "😴", "🤔", "🙃", "😇",
        "🤖", "👽", "👾", "🐱", "🐶",
        "🦁", "🐻", "🐸", "🐙", "🦄",
        "🌟", "⚡", "🔥", "🍕", "🎉"
    ])
    policy = NKodePolicy(
        max_nkode_len=10,
        min_nkode_len=4,
        distinct_positions=0,
        distinct_properties=4,
    )
    keypad_size = KeypadSize(
        numb_of_keys=5,
        props_per_key=6
    )
    customer_id = api.create_new_customer(keypad_size, policy)
    signup_session_id, set_signup_keypad = api.generate_signup_keypad(customer_id)
    ordered_set_icons = user_icons[set_signup_keypad]
    username = "test_username" + "".join([choice(ascii_lowercase) for _ in range(6)])
    passcode_len = 4
    passcode_property_indices = np.random.choice(set_signup_keypad.reshape(-1), size=passcode_len,
                                                 replace=False).tolist()
    selected_keys_set = select_keys_with_passcode_values(passcode_property_indices, set_signup_keypad,
                                                         keypad_size.numb_of_keys)
    confirm_keypad = api.set_nkode(username, customer_id, selected_keys_set, signup_session_id)
    selected_keys_confirm = select_keys_with_passcode_values(passcode_property_indices, confirm_keypad,
                                                             keypad_size.numb_of_keys)
    ordered_confirm_icons = user_icons[confirm_keypad]
    print(f"Selected Keys\n{selected_keys_confirm}")
    success = api.confirm_nkode(username, customer_id, selected_keys_confirm, signup_session_id)
    context = {
        "email": "user@example.com",
        "signup_session_id": signup_session_id,
        "set_keypad": display_icons_keypad(set_signup_keypad.reshape(-1, keypad_size.numb_of_keys), keypad_size),
        "icon_matrix": display_icons(user_icons, keypad_size),
        "ordered_keypad": display_icons_keypad(ordered_set_icons, keypad_size),
        "passcode_user_icons": str(user_icons[passcode_property_indices]),
        "selected_keys_set": str(selected_keys_set),
        "confirm_keypad": display_icons_keypad(confirm_keypad.reshape(-1, keypad_size.numb_of_keys), keypad_size),
        "confirm_ordered_keypad": display_icons_keypad(ordered_confirm_icons.reshape(-1, keypad_size.numb_of_keys), keypad_size),
        "confirm_key_selection": selected_keys_confirm
    }

    # Render the template
    render_markdown_template(Path("./enrollment_diagram.template.md"), Path("./enrollment_diagram.md"), context)