import re
from scripts.BaseOllama import OllamaChatBot
from scripts.Rag import Rag
from termcolor import colored


CODE_PREFIX = "[1337]"
CONFIG_FILE = "config/config.json"


class TerminalBot:
    
    def __init__(self, inital_prompt, context, base_url='http://localhost:11434', embeddings_url= 'http://localhost:11434', base_model='mistral',
                 embeddings_model='mxbai-embed-large',base_header= None, embeddings_header= None):
        self.init_prompt = inital_prompt
        self.context = context
        self.rag = Rag(embeddings=embeddings_model, model=base_model,
                    base_url_llm=base_url, base_url_embed=embeddings_url,
                    base_header=base_header, embeddings_header=embeddings_header)
        self.bot = OllamaChatBot(base_url=base_url, model=base_model, headers=base_header)
        self.rag.init_ollama()


    def start(self):
        if self.context is not None:
            checks = self.rag.receive_data(file_path=self.context)
            if checks[0]:
                self.show_reply(checks[1])
            else:
                self.show_reply(self.rag.get_request(prompt=self.init_prompt))
                self.conversation_with_context()
        else:
            self.show_reply(self.bot.get_request(prompt=self.init_prompt))
            self.conversation_without_context()

    def conversation_with_context(self):
        prompt = self.print_for_input().strip()
        if prompt == "":
            return "Finished Conversation"
        self.show_reply(self.rag.get_request(prompt=prompt))
        self.conversation_with_context()

    def conversation_without_context(self):
        prompt = self.print_for_input().strip()
        if prompt == "":
            return "Finished Conversation"
        self.show_reply(self.bot.get_request(prompt=prompt))
        self.conversation_without_context()

    def print_for_input(self) -> str:
        message_lines = []
        print("Type in your prompt: (Finish with ctrl + d or ctrl + z)")
        while True:
            try:
                line = input(":")
                message_lines.append(line)
            except EOFError:
                break
        return ''.join(message_lines)

    def show_reply(self, message) -> None:
        message = self.extract_code(message)
        if isinstance(message, (list)):
            for part in message:
                if part.startswith(CODE_PREFIX):
                    part = part[len(CODE_PREFIX):]
                    print(colored(part, "light_red"))
                else:
                    print(colored(part, "white"))
        else:
            print(colored(message + "\n", "white"))

    def extract_code(self, input_string, replacement=CODE_PREFIX):
        # Split the input string on the ``` delimiter
        split_parts = re.split(r'(```)', input_string)  # Include the delimiter in the results
        
        # Initialize an empty list to store the output array
        output_array = []
        
        # Track whether the previous part was a ``` delimiter
        previously_delimiter = False
        

        for part in split_parts:
            # Check if the current part is a ``` delimiter
            if part == "```":
                previously_delimiter = True  # Set flag if a delimiter is found
                continue  # Skip adding the delimiter to the output
            
            # If the previous part was a delimiter, replace the first word with the specified string
            if previously_delimiter:
                part = re.sub(r'^\b\w+\b', replacement, part, count=1)  # Replace the first word
                previously_delimiter = False  # Reset the flag
            
            # Only add non-empty parts to the output array
            if part.strip():
                output_array.append(part)
        
        return output_array