import json
import os
from datetime import datetime
from zoneinfo import ZoneInfo

import gradio as gr
from extract import extract
import app_util
from pgsoft.pgconst.const import service_list, functionality_list, game_list
from pgsoft.pghost import ais
from pgsoft.pgdate.date_utils import beijing
import call_ai
from str_util import normalize_text

#######################
# proxy version
#######################
proxy_version = "1.0.0-2024-01-02-a"  # reconstruct ai calling

t = datetime.now()
t = t.astimezone(ZoneInfo("Asia/Shanghai"))
print(f"[Beijing]: {t.replace(microsecond=0)}")
t = t.astimezone(ZoneInfo("America/Los_Angeles"))
print(f"[Seattle]: {t.replace(microsecond=0)}")


identity = os.environ.get("identity")
print(f"identity: {identity}")
if not identity:
    identity = "pgdemo_dev"
ai = "stevez-ai-dev"
if identity in ais:
    ai = ais[identity]
db_token = os.environ.get("db_token")
if db_token:
    print(db_token[:5])


def run(hf_token, service, game, functionality, nlp_command):
    """
    event handler
    """

    # reuse hf_token field as json string
    token, user_name, redirect, source, _ = extract(hf_token)
    if user_name is None:
        user_name = "__fake__"

    # redirect all traffic to the proxy sever
    global ai
    if redirect is not None:
        ai = redirect
    ai_url = f"https://{ai}.hf.space"
    if token is None or token == "":
        return "please specify hf token"

    if service not in service_list[1:]:
        if game is None:
            return "please specify which game"
        if functionality is None:
            return "please choose the AI functionality"
        if functionality == "AI":
            if nlp_command in ["", None]:
                return "please make sure the command is not empty"

    service_start = beijing()
    print(f"<<<<<<<<<<<<<< service starts at {service_start} <<<<<<<<<<<<<<")
    if service in ["download game", "upload game", "list games"]:
        res = app_util.file_service(service, nlp_command, db_token)
        if not res:
            outp = {"status": "Failure"}
        else:
            outp = {"status": "OK", "result": res}
    else:
        assert "games" in service_list
        if service == "games":
            print(f"{beijing()} [{user_name}] [{game}] {nlp_command}")
        nlp_command = normalize_text(nlp_command)
        call_ai.from_cache = True
        outp = call_ai.call_ai(
            service,
            game,
            functionality,
            nlp_command,
            ai_url,
            token,
        )
        if isinstance(outp, str):
            return outp
        # add proxy version info to the output
        outp["timestamp"] = beijing().__str__()
        outp["proxy-version"] = proxy_version
        outp["user"] = user_name
        outp["game"] = game
        if source:
            outp["source"] = source
        outp["cache"] = call_ai.from_cache
        app_util.call_logger(outp, identity, token)
    service_end = beijing()
    timecost = service_end.timestamp() - service_start.timestamp()
    print(
        f">>>>>>>>>>>>>>> service ends at {service_end}, "
        + f"costs {timecost:.2f}s >>>>>>>>>>>>>>>\n"
    )
    return json.dumps(outp, indent=4)


demo = gr.Interface(
    fn=run,
    inputs=[
        "text",
        gr.Radio(
            service_list,
            value=service_list[0],
            info="Shared services",
        ),
        gr.Radio(
            game_list,
            value=game_list[1],
            info="Which game you want the AI to support?",
        ),
        gr.Radio(
            functionality_list,
            value=functionality_list[0],
            # label = "What do you want to do?",
            info="What functionality?",
        ),
        "text",
    ],
    outputs="text",
    title="Demo",
    allow_flagging="never",
)

demo.launch()