import os; os.environ['no_proxy'] = '*' # 避免代理网络产生意外污染
import gradio as gr
from predict import predict
from toolbox import format_io, find_free_port, on_file_uploaded, on_report_generated, get_conf

# 建议您复制一个config_private.py放自己的秘密, 如API和代理网址, 避免不小心传github被别人看到
proxies, WEB_PORT, LLM_MODEL, CONCURRENT_COUNT, AUTHENTICATION, CHATBOT_HEIGHT = \
    get_conf('proxies', 'WEB_PORT', 'LLM_MODEL', 'CONCURRENT_COUNT', 'AUTHENTICATION', 'CHATBOT_HEIGHT')

# 如果WEB_PORT是-1, 则随机选取WEB端口
PORT = find_free_port() if WEB_PORT <= 0 else WEB_PORT
if not AUTHENTICATION: AUTHENTICATION = None

title = "ChatGPT 学术优化" if LLM_MODEL.startswith('gpt') else "ChatGPT / LLM 学术优化"
initial_prompt = "Serve me as a writing and programming assistant."
title_html = f"<h1 align=\"center\">{title}</h1>"

# 问询记录, python 版本建议3.9+（越新越好）
import logging
os.makedirs("gpt_log", exist_ok=True)
try:logging.basicConfig(filename="gpt_log/chat_secrets.log", level=logging.INFO, encoding="utf-8")
except:logging.basicConfig(filename="gpt_log/chat_secrets.log", level=logging.INFO)
print("所有问询记录将自动保存在本地目录./gpt_log/chat_secrets.log, 请注意自我隐私保护哦！")

# 一些普通功能模块
from functional import get_functionals
functional = get_functionals()

# 高级函数插件
from functional_crazy import get_crazy_functionals
crazy_fns = get_crazy_functionals()

# 处理markdown文本格式的转变
gr.Chatbot.postprocess = format_io

# 做一些外观色彩上的调整
from theme import adjust_theme, advanced_css
set_theme = adjust_theme()

cancel_handles = []
with gr.Blocks(theme=set_theme, analytics_enabled=False, css=advanced_css) as demo:
    gr.HTML(title_html)
    with gr.Row().style(equal_height=True):
        with gr.Column(scale=2):
            chatbot = gr.Chatbot()
            chatbot.style(height=CHATBOT_HEIGHT)
            history = gr.State([])
        with gr.Column(scale=1):
            with gr.Row():
                txt = gr.Textbox(show_label=False, placeholder="Input question here.").style(container=False)
            with gr.Row():
                submitBtn = gr.Button("提交", variant="primary")
            with gr.Row():
                resetBtn = gr.Button("重置", variant="secondary"); resetBtn.style(size="sm")
                stopBtn = gr.Button("停止", variant="secondary"); stopBtn.style(size="sm")
            with gr.Row():
                from check_proxy import check_proxy
                status = gr.Markdown(f"Tip: 按Enter提交, 按Shift+Enter换行。当前模型: {LLM_MODEL} \n {check_proxy(proxies)}")
            with gr.Accordion("基础功能区", open=True) as area_basic_fn:
                with gr.Row():
                    for k in functional:
                        variant = functional[k]["Color"] if "Color" in functional[k] else "secondary"
                        functional[k]["Button"] = gr.Button(k, variant=variant)
            with gr.Accordion("函数插件区", open=True) as area_crazy_fn:
                with gr.Row():
                    gr.Markdown("注意：以下“红颜色”标识的函数插件需从input区读取路径作为参数.")
                with gr.Row():
                    for k in crazy_fns:
                        if not crazy_fns[k].get("AsButton", True): continue
                        variant = crazy_fns[k]["Color"] if "Color" in crazy_fns[k] else "secondary"
                        crazy_fns[k]["Button"] = gr.Button(k, variant=variant)
                with gr.Row():
                    with gr.Accordion("更多函数插件", open=True):
                        dropdown_fn_list = [k for k in crazy_fns.keys() if not crazy_fns[k].get("AsButton", True)]
                        with gr.Column(scale=1):
                            dropdown = gr.Dropdown(dropdown_fn_list, value=r"打开插件列表", label="").style(container=False)
                        with gr.Column(scale=1):
                            switchy_bt = gr.Button(r"请先从插件列表中选择", variant="secondary")
                with gr.Row():
                    with gr.Accordion("点击展开“文件上传区”。上传本地文件可供红色函数插件调用。", open=False) as area_file_up:
                        file_upload = gr.Files(label="任何文件, 但推荐上传压缩文件(zip, tar)", file_count="multiple")
            with gr.Accordion("展开SysPrompt & GPT参数 & 交互界面布局", open=False):
                system_prompt = gr.Textbox(show_label=True, placeholder=f"System Prompt", label="System prompt", value=initial_prompt)
                top_p = gr.Slider(minimum=-0, maximum=1.0, value=1.0, step=0.01,interactive=True, label="Top-p (nucleus sampling)",)
                temperature = gr.Slider(minimum=-0, maximum=2.0, value=1.0, step=0.01, interactive=True, label="Temperature",)
                checkboxes = gr.CheckboxGroup(["基础功能区", "函数插件区"], value=["基础功能区", "函数插件区"], label="显示/隐藏功能区")

    # 功能区显示开关与功能区的互动
    def fn_area_visibility(a):
        ret = {}
        ret.update({area_basic_fn: gr.update(visible=("基础功能区" in a))})
        ret.update({area_crazy_fn: gr.update(visible=("函数插件区" in a))})
        return ret
    checkboxes.select(fn_area_visibility, [checkboxes], [area_basic_fn, area_crazy_fn] )
    # 整理反复出现的控件句柄组合
    input_combo = [txt, top_p, temperature, chatbot, history, system_prompt]
    output_combo = [chatbot, history, status]
    predict_args = dict(fn=predict, inputs=input_combo, outputs=output_combo)
    empty_txt_args = dict(fn=lambda: "", inputs=[], outputs=[txt]) # 用于在提交后清空输入栏
    # 提交按钮、重置按钮
    cancel_handles.append(txt.submit(**predict_args)) #; txt.submit(**empty_txt_args) 在提交后清空输入栏
    cancel_handles.append(submitBtn.click(**predict_args)) #; submitBtn.click(**empty_txt_args) 在提交后清空输入栏
    resetBtn.click(lambda: ([], [], "已重置"), None, output_combo)
    # 基础功能区的回调函数注册
    for k in functional:
        click_handle = functional[k]["Button"].click(predict, [*input_combo, gr.State(True), gr.State(k)], output_combo)
        cancel_handles.append(click_handle)
    # 文件上传区，接收文件后与chatbot的互动
    file_upload.upload(on_file_uploaded, [file_upload, chatbot, txt], [chatbot, txt])
    # 函数插件-固定按钮区
    for k in crazy_fns:
        if not crazy_fns[k].get("AsButton", True): continue
        click_handle = crazy_fns[k]["Button"].click(crazy_fns[k]["Function"], [*input_combo, gr.State(PORT)], output_combo)
        click_handle.then(on_report_generated, [file_upload, chatbot], [file_upload, chatbot])
        cancel_handles.append(click_handle)
    # 函数插件-下拉菜单与随变按钮的互动
    def on_dropdown_changed(k):
        variant = crazy_fns[k]["Color"] if "Color" in crazy_fns[k] else "secondary"
        return {switchy_bt: gr.update(value=k, variant=variant)}
    dropdown.select(on_dropdown_changed, [dropdown], [switchy_bt] )
    # 随变按钮的回调函数注册
    def route(k, *args, **kwargs):
        if k in [r"打开插件列表", r"先从插件列表中选择"]: return 
        yield from crazy_fns[k]["Function"](*args, **kwargs)
    click_handle = switchy_bt.click(route,[switchy_bt, *input_combo, gr.State(PORT)], output_combo)
    click_handle.then(on_report_generated, [file_upload, chatbot], [file_upload, chatbot])
    # def expand_file_area(file_upload, area_file_up):
    #     if len(file_upload)>0: return {area_file_up: gr.update(open=True)}
    # click_handle.then(expand_file_area, [file_upload, area_file_up], [area_file_up])
    cancel_handles.append(click_handle)
    # 终止按钮的回调函数注册
    stopBtn.click(fn=None, inputs=None, outputs=None, cancels=cancel_handles)

# gradio的inbrowser触发不太稳定，回滚代码到原始的浏览器打开函数
def auto_opentab_delay():
    import threading, webbrowser, time
    print(f"如果浏览器没有自动打开，请复制并转到以下URL: http://localhost:{PORT}")
    def open(): 
        time.sleep(2)
        webbrowser.open_new_tab(f"http://localhost:{PORT}")
    threading.Thread(target=open, name="open-browser", daemon=True).start()

auto_opentab_delay()
demo.title = title
demo.queue(concurrency_count=CONCURRENT_COUNT).launch(server_name="0.0.0.0", share=True, server_port=PORT, auth=AUTHENTICATION)