import re
from typing import Optional


def render_template(template: str, **kwargs) -> str:
    result = template
    for key, value in kwargs.items():
        result = result.replace("{" + key + "}", str(value))
    remaining = re.findall(r'\{(\w+)\}', result)
    for var in remaining:
        result = result.replace("{" + var + "}", "")
    return result


def parse_link_text(text: str) -> str:
    text = re.sub(r'\[([^\]]+)\]\(tel:[^\)]+\)', r'\1', text)
    text = re.sub(r'\[([^\]]+)\]\(mailto:[^\)]+\)', r'\1', text)
    text = re.sub(r'\[([^\]]+)\]\(https?://[^\)]+\)', r'\1', text)
    return text


def make_clickable_links(text: str, phone_1: str = "", phone_2: str = "",
                         email: str = "", email_subject: str = "") -> str:
    phone_1_raw = re.sub(r'[^\d+]', '', phone_1)
    phone_2_raw = re.sub(r'[^\d+]', '', phone_2)
    email_encoded = email.replace(' ', '%20')
    subject_encoded = email_subject.replace(' ', '%20')

    text = text.replace("{phone_1_raw}", phone_1_raw)
    text = text.replace("{phone_2_raw}", phone_2_raw)
    text = text.replace("{email_encoded}", email_encoded)
    text = text.replace("{email_subject_encoded}", subject_encoded)

    return text