import os
import subprocess
import random
from huggingface_hub import InferenceClient
import gradio as gr
from safe_search import safe_search
from i_search import google
from i_search import i_search as i_s
from agent import (
    ACTION_PROMPT,
    ADD_PROMPT,
    COMPRESS_HISTORY_PROMPT,
    LOG_PROMPT,
    LOG_RESPONSE,
    MODIFY_PROMPT,
    PREFIX,
    SEARCH_QUERY,
    READ_PROMPT,
    TASK_PROMPT,
    UNDERSTAND_TEST_RESULTS_PROMPT,
)
from utils import parse_action, parse_file_content, read_python_module_structure
from datetime import datetime

now = datetime.now()
date_time_str = now.strftime("%Y-%m-%d %H:%M:%S")

client = InferenceClient(
    "mistralai/Mixtral-8x7B-Instruct-v0.1"
)

############################################

VERBOSE = True
MAX_HISTORY = 100
# MODEL = "gpt-3.5-turbo"  # "gpt-4"

def format_prompt(message, history):
    prompt = "<s>"
    for user_prompt, bot_response in history:
        prompt += f"[INST] {user_prompt} [/INST]"
        prompt += f" {bot_response}</s> "
    prompt += f"[INST] {message} [/INST]"
    return prompt

def run_gpt(prompt_template, stop_tokens, max_tokens, purpose, **prompt_kwargs):
    seed = random.randint(1, 1111111111111111)
    print(seed)
    generate_kwargs = dict(
        temperature=1.0,
        max_new_tokens=2096,
        top_p=0.99,
        repetition_penalty=1.0,
        do_sample=True,
        seed=seed,
    )

    content = PREFIX.format(
        date_time_str=date_time_str,
        purpose=purpose,
        safe_search=safe_search,
    ) + prompt_template.format(**prompt_kwargs)
    if VERBOSE:
        print(LOG_PROMPT.format(content))

    # formatted_prompt = format_prompt(f"{system_prompt}, {prompt}", history)
    # formatted_prompt = format_prompt(f'{content}', history)

    stream = client.text_generation(content, **generate_kwargs, stream=True, details=True, return_full_text=False)
    resp = ""
    for response in stream:
        resp += response.token.text

    if VERBOSE:
        print(LOG_RESPONSE.format(resp))
    return resp

def compress_history(purpose, task, history, directory):
    resp = run_gpt(
        COMPRESS_HISTORY_PROMPT,
        stop_tokens=["observation:", "task:", "action:", "thought:"],
        max_tokens=512,
        purpose=purpose,
        task=task,
        history=history,
    )
    history = "observation: {}\n".format(resp)
    return history

def call_search(purpose, task, history, directory, action_input):
    print("CALLING SEARCH")
    try:
        if "http" in action_input:
            if "<" in action_input:
                action_input = action_input.strip("<")
            if ">" in action_input:
                action_input = action_input.strip(">")

            response = i_s(action_input)
            # response = google(search_return)
            print(response)
            history += "observation: search result is: {}\n".format(response)
        else:
            history += "observation: I need to provide a valid URL to 'action: SEARCH action_input=https://URL'\n"
    except Exception as e:
        history += "observation: {}'\n".format(e)
    return "MAIN", None, history, task

def call_main(purpose, task, history, directory, action_input):
    resp = run_gpt(
        ACTION_PROMPT,
        stop_tokens=["observation:", "task:", "action:","thought:"],
        max_tokens=2096,
        purpose=purpose,
        task=task,
        history=history,
    )
    lines = resp.strip().strip("\n").split("\n")
    for line in lines:
        if line == "":
            continue
        if line.startswith("thought: "):
            history += "{}\n".format(line)
        elif line.startswith("action: "):
            action_name, action_input = parse_action(line)
            print(f'ACTION_NAME :: {action_name}')
            print(f'ACTION_INPUT :: {action_input}')

            history += "{}\n".format(line)
            if "COMPLETE" in action_name or "COMPLETE" in action_input:
                task = "END"
                return action_name, action_input, history, task
            else:
                return action_name, action_input, history, task
        else:
            history += "{}\n".format(line)
            # history += "observation: the following command did not produce any useful output: '{}', I need to check the commands syntax, or use a different command\n".format(line)

            # return action_name, action_input, history, task
            # assert False, "unknown action: {}".format(line)
    return "MAIN", None, history, task

def call_set_task(purpose, task, history, directory, action_input):
    task = run_gpt(
        TASK_PROMPT,
        stop_tokens=[],
        max_tokens=64,
        purpose=purpose,
        task=task,
        history=history,
    ).strip("\n")
    history += "observation: task has been updated to: {}\n".format(task)
    return "MAIN", None, history, task

def end_fn(purpose, task, history, directory, action_input):
    task = "END"
    return "COMPLETE", "COMPLETE", history, task

NAME_TO_FUNC = {
    "MAIN": call_main,
    "UPDATE-TASK": call_set_task,
    "SEARCH": call_search,
    "COMPLETE": end_fn,
}

def run_action(purpose, task, history, directory, action_name, action_input):
    print(f'action_name::{action_name}')
    try:
        if "RESPONSE" in action_name or "COMPLETE" in action_name:
            action_name = "COMPLETE"
            task = "END"
            return action_name, "COMPLETE", history, task

        # compress the history when it is long
        if len(history.split("\n")) > MAX_HISTORY:
            if VERBOSE:
                print("COMPRESSING HISTORY")
            history = compress_history(purpose, task, history, directory)
        if not action_name in NAME_TO_FUNC:
            action_name = "MAIN"
        if action_name == "" or action_name == None:
            action_name = "MAIN"
        assert action_name in NAME_TO_FUNC

        print("RUN: ", action_name, action_input)
        return NAME_TO_FUNC[action_name](purpose, task, history, directory, action_input)
    except Exception as e:
        history += "observation: the previous command did not produce any useful output, I need to check the commands syntax, or use a different command\n"
        return "MAIN", None, history, task

def run(purpose, history):
    # print(purpose)
    # print(hist)
    task = None
    directory = "./"
    if history:
        history = str(history).strip("[]")
    if not history:
        history = ""

    action_name = "UPDATE-TASK" if task is None else "MAIN"
    action_input = None
    while True:
        print("")
        print("")
        print("---")
        print("purpose:", purpose)
        print("task:", task)
        print("---")
        print(history)
        print("---")

        action_name, action_input, history, task = run_action(
            purpose,
            task,
            history,
            directory,
            action_name,
            action_input,
        )
        yield (history)
        # yield ("",[(purpose,history)])
        if task == "END":
            return (history)
            # return ("", [(purpose,history)])

################################################

def format_prompt(message, history):
    prompt = "<s>"
    for user_prompt, bot_response in history:
        prompt += f"[INST] {user_prompt} [/INST]"
        prompt += f" {bot_response}</s> "
    prompt += f"[INST] {message} [/INST]"
    return prompt

AGENTS = [
    "WEB_DEV",
    "AI_SYSTEM_PROMPT",
    "PYTHON_CODE_DEV"
]

def generate(prompt, history, agent_name=AGENTS[0], sys_prompt="", temperature=0.9, max_new_tokens=256, top_p=0.95, repetition_penalty=1.0):
    seed = random.randint(1, 1111111111111111)

    agent = prompts.WEB_DEV
    if agent_name == "WEB_DEV":
        agent = prompts.WEB_DEV
    if agent_name == "AI_SYSTEM_PROMPT":
        agent = prompts.AI_SYSTEM_PROMPT
    if agent_name == "PYTHON_CODE_DEV":
        agent = prompts.PYTHON_CODE_DEV
    system_prompt = agent
    temperature = float(temperature)
    if temperature < 1e-2:
        temperature = 1e-2
    top_p = float(top_p)

    generate_kwargs = dict(
        temperature=temperature,
        max_new_tokens=max_new_tokens,
        top_p=top_p,
        repetition_penalty=repetition_penalty,
        do_sample=True,
        seed=seed,
    )

    formatted_prompt = format_prompt(f"{system_prompt}, {prompt}", history)
    stream = client.text_generation(formatted_prompt, **generate_kwargs, stream=True, details=True, return_full_text=False)
    output = ""

    for response in stream:
        output += response.token.text
        yield output
    return output

additional_inputs = [
    gr.Dropdown(
        label="Agents",
        choices=[s for s in AGENTS],
        value=AGENTS[0],
        interactive=True,
    ),
    gr.Textbox(
        label="System Prompt",
        max_lines=1,
        interactive=True,
    ),
    gr.Slider(
        label="Temperature",
        value=0.9,
        minimum=0.0,
        maximum=1.0,
        step=0.05,
        interactive=True,
        info="Higher values generate more diverse outputs.",
    ),
    gr.Slider(
        label="Max New Tokens",
        value=2048,
        minimum=64,
        maximum=4096,
        step=64,
        interactive=True,
        info="The maximum number of new tokens to generate.",
    ),
    gr.Slider(
        label="Top-p (Nucleus Sampling)",
        value=0.90,
        minimum=0.0,
        maximum=1,
        step=0.05,
        interactive=True,
        info="Higher values sample more low-probability tokens.",
    ),
    gr.Slider(
        label="Repetition Penalty",
        value=1.2,
        minimum=1.0,
        maximum=2.0,
        step=0.05,
        interactive=True,
        info="Penalize repeated tokens.",
    )
]

customCSS = """
#component-7 { 
  height: 1600px; 
  flex-grow: 4;
}
"""

with gr.Blocks(theme='ParityError/Interstellar') as demo:
    gr.ChatInterface(
        generate,
        additional_inputs=additional_inputs,
    )

demo.queue().launch(debug=True)