import json
import ure as re


class HttpRequest:
    
    METHOD = {
        "GET": "GET",
        "POST": "POST"
        }
    
    method = ''
    path = ''
    raw_content = ''
    headers = {}
    
    def __init__(self, request):
        self.original_request = request
        # self.method = method
        # self.path = path
        # self.headers = headers
        # self.raw_content = content
        print("http request initialized")
        self.parse_request(request)
        
    def parse_request(self, request):
        # Split the request into lines
        lines = request.decode().split('\r\n')
        
        # Extract method, path, and HTTP version from the first line
        self.method, self.path, _ = lines[0].split()

        # Parse headers
        for line in lines[1:]:
            if not line:
                break  # Empty line indicates end of headers
            key, value = line.split(': ', 1)
            self.headers[key] = value
        
        # Content is assumed to be in the last line
        self.raw_content = lines[-1]
        
    def get_content_json(self):
        # Parse the POST request content into a dictionary
        parsed_content = {}
        pairs = self.raw_content.split('&')
        for pair in pairs:
            key, value = pair.split('=')
            parsed_content[key] = value

        # Encode the values in the dictionary
        encoded_content = {}
        for key, value in parsed_content.items():
            encoded_value = re.sub(r'\%([0-9A-Fa-f]{2})', lambda m: chr(int(m.group(1), 16)), value)
            print("encoding ...", key, value, encoded_value)
            encoded_content[key] = encoded_value
        
        return encoded_content
        
    def __str__(self):
     return {
         "method": self.method,
         "headers": self.headers,
         "content": self.raw_content,
         "content_json": self.get_content_json()
         }