import asyncio
import json
import os

from gradio_client import Client

HF_TOKEN = os.getenv("HF_TOKEN")
falcon_userid_threadid_dictionary = {}
threadid_conversation = {}
# Instructions are for Falcon-chat and can be found here:  https://huggingface.co/spaces/HuggingFaceH4/falcon-chat
instructions = (
    "The following is a conversation between a highly knowledgeable and intelligent AI assistant, called Falcon, and a"
    " human user, called User. In the following interactions, User and Falcon will converse in natural language, and"
    " Falcon will answer User's questions. Falcon was built to be respectful, polite and inclusive. Falcon was built"
    " by the Technology Innovation Institute in Abu Dhabi. Falcon will never decline to answer a question, and always"
    " attempts to give an answer that User would be satisfied with. It knows a lot, and always tells the truth. The"
    " conversation begins."
)
falcon_client = Client("HuggingFaceH4/falcon-chat", HF_TOKEN)

BOT_USER_ID = 1086256910572986469 if os.getenv("TEST_ENV", False) else 1102236653545861151
FALCON_CHANNEL_ID = 1079459939405279232 if os.getenv("TEST_ENV", False) else 1119313248056004729


async def waitjob(job):
    while not job.done():
        await asyncio.sleep(0.2)


def falcon_initial_generation(prompt, instructions, thread):
    """Solves two problems at once; 1) The Slash command + job.submit interaction, and 2) the need for job.submit."""
    global threadid_conversation

    chathistory = falcon_client.predict(fn_index=5)
    temperature = 0.8
    p_nucleus_sampling = 0.9

    job = falcon_client.submit(prompt, chathistory, instructions, temperature, p_nucleus_sampling, fn_index=1)
    while job.done() is False:
        pass
    else:
        if os.environ.get("TEST_ENV") == "True":
            print("falcon text gen job done")
        file_paths = job.outputs()
        print(file_paths)
        full_generation = file_paths[-1]
        print(full_generation)
        with open(full_generation, "r") as file:
            data = json.load(file)
            print(data)
        output_text = data[-1][-1]
        threadid_conversation[thread.id] = full_generation
        if len(output_text) > 1300:
            output_text = output_text[:1300] + "...\nTruncating response to 2000 characters due to discord api limits."
        if os.environ.get("TEST_ENV") == "True":
            print(output_text)
        return output_text


async def try_falcon(ctx, prompt):
    """Generates text based on a given prompt"""
    try:
        global falcon_userid_threadid_dictionary  # tracks userid-thread existence
        global threadid_conversation

        if ctx.author.id != BOT_USER_ID:
            if ctx.channel.id == FALCON_CHANNEL_ID:
                if os.environ.get("TEST_ENV") == "True":
                    print("Safetychecks passed for try_falcon")
                message = await ctx.send(f"**{prompt}** - {ctx.author.mention}")
                if len(prompt) > 99:
                    small_prompt = prompt[:99]
                else:
                    small_prompt = prompt
                thread = await message.create_thread(name=small_prompt, auto_archive_duration=60)  # interaction.user
                await thread.send(
                    "[DISCLAIMER: HuggingBot is a **highly experimental** beta feature; The Falcon model and system"
                    " prompt can be found here: https://huggingface.co/spaces/HuggingFaceH4/falcon-chat]"
                )

                if os.environ.get("TEST_ENV") == "True":
                    print("Running falcon_initial_generation...")
                loop = asyncio.get_running_loop()
                output_text = await loop.run_in_executor(None, falcon_initial_generation, prompt, instructions, thread)
                falcon_userid_threadid_dictionary[thread.id] = ctx.author.id

                await thread.send(output_text)
    except Exception as e:
        print(f"try_falcon Error: {e}")


async def continue_falcon(message):
    """Continues a given conversation based on chathistory"""
    try:
        if not message.author.bot:
            global falcon_userid_threadid_dictionary  # tracks userid-thread existence
            if message.channel.id in falcon_userid_threadid_dictionary:  # is this a valid thread?
                if falcon_userid_threadid_dictionary[message.channel.id] == message.author.id:
                    print("Safetychecks passed for continue_falcon")
                    global instructions
                    global threadid_conversation
                    await message.add_reaction("🔁")

                    prompt = message.content
                    chathistory = threadid_conversation[message.channel.id]
                    temperature = 0.8
                    p_nucleus_sampling = 0.9

                    if os.environ.get("TEST_ENV") == "True":
                        print("Running falcon_client.submit")
                    job = falcon_client.submit(
                        prompt,
                        chathistory,
                        instructions,
                        temperature,
                        p_nucleus_sampling,
                        fn_index=1,
                    )
                    await waitjob(job)
                    if os.environ.get("TEST_ENV") == "True":
                        print("Continue_falcon job done")
                    file_paths = job.outputs()
                    full_generation = file_paths[-1]
                    with open(full_generation, "r") as file:
                        data = json.load(file)
                        output_text = data[-1][-1]
                    threadid_conversation[message.channel.id] = full_generation  # overwrite the old file
                    if len(output_text) > 1300:
                        output_text = (
                            output_text[:1300]
                            + "...\nTruncating response to 2000 characters due to discord api limits."
                        )
                    await message.reply(output_text)
    except Exception as e:
        print(f"continue_falcon Error: {e}")
        await message.reply(f"Error: {e} <@811235357663297546> (continue_falcon error)")