import gradio as gr
import urllib.request
import requests
import bs4
import lxml
import os
#import subprocess
from huggingface_hub import InferenceClient,HfApi
import random
import json
import datetime
#from query import tasks
from prompts import (
    FINDER,
    COMPRESS_HISTORY_PROMPT,
    COMPRESS_DATA_PROMPT,
    COMPRESS_DATA_PROMPT_SMALL,
    LOG_PROMPT,
    LOG_RESPONSE,
    PREFIX,
    TASK_PROMPT,
)
api=HfApi()



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

def parse_action(string: str):
    print("PARSING:")
    print(string)
    assert string.startswith("action:")
    idx = string.find("action_input=")
    print(idx)
    if idx == -1:
        print ("idx == -1")
        print (string[8:])
        return string[8:], None

    print ("last return:")
    print (string[8 : idx - 1])
    print (string[idx + 13 :].strip("'").strip('"'))
    return string[8 : idx - 1], string[idx + 13 :].strip("'").strip('"')



VERBOSE = True
MAX_HISTORY = 100
MAX_DATA = 20000

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,
    seed,
    purpose,
    **prompt_kwargs,
):
    timestamp=datetime.datetime.now()

    print(seed)
    generate_kwargs = dict(
        temperature=0.9,
        max_new_tokens=max_tokens,
        top_p=0.95,
        repetition_penalty=1.0,
        do_sample=True,
        seed=seed,
    )
    
    content = PREFIX.format(
        timestamp=timestamp,
        purpose=purpose,
    ) + 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}', **prompt_kwargs['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
        #yield resp

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

def compress_data(c,purpose, task, history, result):
    seed=random.randint(1,1000000000)
    
    print (c)
    #tot=len(purpose)
    #print(tot)
    divr=int(c)/MAX_DATA
    divi=int(divr)+1 if divr != int(divr) else int(divr)
    chunk = int(int(c)/divr)
    print(f'chunk:: {chunk}')
    print(f'divr:: {divr}')
    print (f'divi:: {divi}')
    out = []
    #out=""
    s=0
    e=chunk
    print(f'e:: {e}')
    new_history=""
    task = f'Compile this data to fulfill the task: {task}, and complete the purpose: {purpose}\n'
    for z in range(divi):
        print(f's:e :: {s}:{e}')
        
        hist = history[s:e]
        
        resp = run_gpt(
            COMPRESS_DATA_PROMPT,
            stop_tokens=["observation:", "task:", "action:", "thought:"],
            max_tokens=1024,
            seed=seed,
            purpose=purpose,
            task=task,
            knowledge=new_history,
            history=hist,
        ).strip('\n')
        new_history = resp
        print (resp)
        out+=resp
        e=e+chunk
        s=s+chunk
    '''
    resp = run_gpt(
        COMPRESS_DATA_PROMPT,
        stop_tokens=["observation:", "task:", "action:", "thought:"],
        max_tokens=2048,
        seed=seed,
        purpose=purpose,
        task=task,
        knowledge=new_history,
        history=result,
    )
    '''
    print ("final" + resp)
    history = "result: {}\n".format(resp)
    return history




def compress_history(purpose, task, history):
    resp = run_gpt(
        COMPRESS_HISTORY_PROMPT,
        stop_tokens=["observation:", "task:", "action:", "thought:"],
        max_tokens=512,
        seed=random.randint(1,1000000000),
        purpose=purpose,
        task=task,
        history=history,
    )
    history = "observation: {}\n".format(resp)
    return history


def call_main(purpose, task, history, action_input, result):
    resp = run_gpt(
        FINDER,
        stop_tokens=["observation:", "task:"],
        max_tokens=2096,
        seed=random.randint(1,1000000000),
        purpose=purpose,
        task=task,
        history=history,
    )
    lines = resp.strip().strip("\n").split("\n")
    #history=""
    for line in lines:
        if line == "":
            continue
        if line.startswith("thought: "):
            history += "{}\n".format(line)
            
        if line.startswith("action: "):
            action_name, action_input = parse_action(line)
            print(f'ACTION::{action_name} -- INPUT :: {action_input}')
            #history += "{}\n".format(line)
            return action_name, action_input, history, task, result
        else:
            pass
            #history += "{}\n".format(line)
            #assert False, "unknown action: {}".format(line)
            #return "UPDATE-TASK", None, history, task
    if "VERBOSE":
        print(history)
    return "MAIN", None, history, task, result


def call_set_task(purpose, task, history, action_input, result):
    task = run_gpt(
        TASK_PROMPT,
        stop_tokens=[],
        max_tokens=1024,
        seed=random.randint(1,1000000000),
        purpose=purpose,
        task=task,
        history=history,
    ).strip("\n")
    history += "observation: task has been updated to: {}\n".format(task)
    return "MAIN", None, history, task, result



###########################################################
def search_all(url):
    source=""
    return source



def find_all(purpose,task,history, url, result):
    return_list=[]
    print (url)
    #if action_input in query.tasks:
    print (f"trying URL:: {url}")        
    try:
        if url != "" and url != None:    
            #rawp = []
            out = []
            source = requests.get(url)
            #source = urllib.request.urlopen(url).read()
            soup = bs4.BeautifulSoup(source.content,'lxml')
            # title of the page
            print(soup.title)
            # get attributes:
            print(soup.title.name)
            # get values:
            #print(soup.title.string)
            # beginning navigation:
            #print(soup.title.parent.name)
            #rawp.append([tag.name for tag in soup.find_all()] )
            #print([tag.name for tag in soup.find_all()])
            rawp=(f'RAW TEXT RETURNED: {soup.text}')
            cnt=0
            cnt+=len(rawp)
            out.append(rawp)
            out.append("HTML fragments: ")
            q=("a","p","span","content","article")
            for p in soup.find_all("a"):
                #cnt+=len(p.string)
                #cnt+=len(p)                
                
                out.append([{"LINK TITLE":p.get('title'),"URL":p.get('href'),"STRING":p.string}])
            c=0
            out = str(out)
            rl = len(out)
            #print (cnt)
            print(f'rl:: {rl}')
            #for ea in out:
            for i in str(out):
                if i == " " or i=="," or i=="\n" or i=="/" or i=="." or i=="<":
                    c +=1
            print (f'c:: {c}')
            if c > MAX_HISTORY:
                print("compressing...")
                rawp = compress_data(c,purpose,task,out,result)  
            else:
                rawp = out 
            result += rawp
                
            print (rawp)
            print (f'out:: {out}')
            history += "observation: the search results are:\n {}\n".format(rawp)
            task = "compile report or complete?"
            return "MAIN", None, history, task, result
        else: 
            history += "observation: An Error occured\nI need to trigger a search using the following syntax:\naction: SCRAPE_WEBSITE action_input=URL\n"
            return "MAIN", None, history, task, result
    except Exception as e:
        print (e)
        history += "observation: I need to trigger a search using the following syntax:\naction: SCRAPE_WEBSITE action_input=URL\n"
        return "MAIN", None, history, task, result

        #else:
    #    history = "observation: The search query I used did not return a valid response"
        
    return "MAIN", None, history, task, result



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

NAME_TO_FUNC = {
    "MAIN": call_main,
    "UPDATE-TASK": call_set_task,
    "SEARCH_ENGINE": find_all,
    "SCRAPE_WEBSITE": find_all,
}


def run_action(purpose, task, history, action_name, action_input,result):
    if "COMPLETE" in action_name:
        print("Complete - Exiting")
        #exit(0) 
        return "COMPLETE", None, history, task, result

    # 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)
    if action_name in NAME_TO_FUNC:
        
        assert action_name in NAME_TO_FUNC

        print(f"RUN: {action_name}  ACTION_INPUT: {action_input}")
        return NAME_TO_FUNC[action_name](purpose, task, history, action_input, result)
    else:
        history += "observation: The TOOL I tried to use returned an error, I need to select a tool from: (UPDATE-TASK, SEARCH_ENGINE, SCRAPE_WEBSITE, COMPLETE)\n"

        return "MAIN", None, history, task, result

def run(purpose,history):
    task=None
    result=""
    #history = ""
    if not history:
        history = ""
    else:
        history=str(history)
    action_name = "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, result = run_action(
            purpose,
            task,
            history,
            action_name,
            action_input,
            result
        )
        yield result
        if action_name == "COMPLETE":
            break
    return result




examples =[
    "What is the current weather in Florida?",
    "what are todays breaking news stories?",
    "Find the best deals on flippers for scuba diving",
    "Teach me to fly a helicopter"
]


gr.ChatInterface(
    fn=run,
    chatbot=gr.Chatbot(show_label=False, show_share_button=False, show_copy_button=True, likeable=True, layout="panel"),
    title="Mixtral 46.7B Powered <br> Search",
    examples=examples,
    concurrency_limit=20,
    css="height:600px;"
).launch()
'''
with gr.Blocks() as app:
    with gr.Row():
        with gr.Column(scale=1):
            inp = gr.Textbox()
        with gr.Column(scale=2):
            q = gr.Textbox(value="p")
        with gr.Column(scale=2):
            num = gr.Textbox()
    with gr.Row():
        all_btn = gr.Button("Load")
        find_btn = gr.Button("Find")
    with gr.Row():
        rawp = gr.JSON()
        outp = gr.JSON()
        outl = gr.Textbox()
    
    all_btn.click(find_all,[inp,q,num],[rawp])
    find_btn.click(find_it,[inp,q,num],[outp,outl])
    
app.launch()

'''