from io import StringIO
import time
import os
import logging

import gradio as gr
import pandas as pd
from pypinyin import lazy_pinyin
from gradio_i18n import , Translate

from api import generate_api

# 翻译文件位置
trans_file = os.path.join(os.path.dirname(__file__),"i18n", "translations.json")

# 关闭aiohttp的DEBUG日志
logging.getLogger('aiohttp').setLevel(logging.WARNING)
logging.getLogger("gradio").setLevel(logging.WARNING)

# 带有时间的log
logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')


terms = r"""
## 免责声明

本网站提供的语音合成服务（以下简称“服务”）旨在供个人使用和娱乐目的。在使用本服务前，请用户仔细阅读并充分理解以下条款：

1. **角色版权**：本网站可能使用的角色形象涉及第三方知识产权。本网站不拥有这些角色的版权。用户在使用服务时应尊重相关角色的知识产权，并确保其行为不侵犯任何第三方的知识产权。

2. **用户生成内容（UGC）**：用户通过本平台生成的语音内容（以下简称“UGC”）由用户自行负责，与本平台无关。本平台无法控制或审核用户生成的具体内容，且不对UGC的准确性、完整性或合法性承担任何责任。

3. **使用限制**：本服务生成的语音及其UGC仅限于个人使用，不得用于任何商业目的。未经本平台事先书面同意，禁止将生成内容用于任何商业活动。

4. **法律责任**：用户使用本服务所产生的任何法律责任由用户自行承担，与本平台无关。如因用户使用服务或其UGC导致的任何纠纷或损失，本平台不承担任何责任。

5. **版权声明**：用户应尊重原创，不得使用本服务生成侵犯他人著作权的内容。如发现用户生成内容侵犯他人版权，本平台有权立即停止对其提供服务，并保留追究法律责任的权利。

6. **内容监管**：尽管本平台无法控制UGC，但一旦发现违反本免责声明或法律法规的内容，本平台将采取必要措施，包括但不限于删除违规内容，并配合有关部门进行调查。

7. **注明要求**：用户应在生成内容的显著位置，如可能的话，注明“此内容由RubiiTTS生成”或类似的说明。用户应确保注明行为符合本条款的要求。

用户使用本网站即表示同意以上免责声明。如有疑问，请联系我们contact@yomio.ai。

**最终解释权归本网站所有。**

"""

terms_js = r"alert('本网站提供的语音合成服务仅供个人使用和娱乐目的。请注意以下几点:\n1. 角色版权:本网站使用的角色形象可能涉及第三方知识产权,我们不拥有这些角色的版权。\n2. 生成内容:用户通过本平台生成的语音内容由用户自行负责,与本平台无关。我们无法控制或审核用户生成的内容。\n3. 使用限制:生成的语音仅限个人使用,不得用于任何商业目的。\n4. 法律责任:用户使用本服务所产生的任何法律责任由用户自行承担,与本平台无关。\n5. 版权声明:请尊重原创,不要使用本服务生成侵犯他人著作权的内容。\n使用本网站即表示您同意以上免责声明。如有疑问,请联系我们。')"

def load_characters_csv(lang):
    name = f"characters_{lang}"
    return pd.read_csv(StringIO(os.getenv(name)))

def update_all_characters(lang, current_all_characters):
    new_characters = load_characters_csv(lang)
    initial_characters = get_characters(kind="原神", all_characters=new_characters)
    return new_characters, initial_characters, gr.Gallery(value=[[char['头像'], char['名称']] for char in initial_characters], 
                                 show_label=False, elem_id="character_gallery", columns=[11], 
                                 object_fit="contain", height="auto", interactive=False, 
                                 allow_preview=False, selected_index=None)

def get_characters(query=None, page=1, per_page=400, kind="原神", lang="zh", all_characters=None):
    # 使用传入的 all_characters 参数
    filtered_characters = all_characters[all_characters["类别"] == kind]
    
    if query:
        # 使用拼音和汉字进行搜索
        filtered_characters = filtered_characters[
            filtered_characters['名称'].str.contains(query, case=False)
        ]
        if filtered_characters.empty and lang == 'zh':
            filtered_characters = all_characters[all_characters["类别"] == kind]
            filtered_characters = filtered_characters[
                filtered_characters['名称'].apply(lambda x: ''.join(lazy_pinyin(x))).str.contains(query, case=False)
            ]
    
    # 按名称分组，并选择每组的第一个记录
    unique_characters = filtered_characters.groupby('名称').first().reset_index().sort_values(by='id')
    
    # 应用分页
    start_index = (page - 1) * per_page
    end_index = start_index + per_page
    
    return unique_characters.iloc[start_index:end_index].to_dict('records')
        
async def generate(selected_character = None, selected_characters = [], text = "", lang="zh"):
    # print("-------",selected_character)
    # print("-------",selected_characters)
    if selected_character:
        characters = [selected_character] + selected_characters
    else:
        characters = selected_characters
    if not selected_character and not selected_characters:
        if lang == "zh":
            raise gr.Error("请先选择一个角色")
        elif lang == "en":
            raise gr.Error("Please select a character first")
        elif lang == "ja":
            raise gr.Error("まず、キャラクターを選択してください")
        elif lang == "ko":
            raise gr.Error("먼저 캐릭터를 선택하세요")
    voice_ids = [char.get("voice_id") for char in characters if char.get("voice_id")]
    
    if not voice_ids:
        raise gr.Error("所选角色没有关联的 voice_id")
    
    start_time = time.time()
    # 假设我们只使用第一个选择的角色的名称
    if voice_ids == "1":
        if lang == "zh":
            raise gr.Error("该角色暂未创建语音")
        elif lang == "en":
            raise gr.Error("The character has not been created yet")
        elif lang == "ja":
            raise gr.Error("そのキャラクターの音声はまだ作成されていません")
        elif lang == "ko":
            raise gr.Error("해당 캐릭터의 음성이 아직 생성되지 않았습니다")
        
    if text == "":
        if lang == "zh":
            raise gr.Error("请输入需要合成的文本")
        elif lang == "en":
            raise gr.Error("Please enter the text to be synthesized")
        elif lang == "ja":
            raise gr.Error("合成するテキストを入力してください")
        elif lang == "ko":
            raise gr.Error("합성할 텍스트를 입력하세요")
    
    if (lang == "en" and len(text.split()) > 200) or len(text) > 512:
        if lang == "zh":
            raise gr.Error("长度请控制在512个字符以内")
        elif lang == "en":
            raise gr.Error("The text length exceeds 200 words")
        elif lang == "ja":
            raise gr.Error("テキストの長さが512文字を超えています")
        elif lang == "ko":
            raise gr.Error("텍스트 길이가 512자를 초과합니다")
    
    # logging.info(f"选择角色: {characters[0].get('名称')}, 文本: {text}, voice_id: {voice_ids}")
    audio = await generate_api(voice_ids, text)
    end_time = time.time()
    if lang == "zh":
        cost_time = f"合成共花费{end_time - start_time:.2f}秒"
    elif lang == "en":
        cost_time = f"Total time spent synthesizing: {end_time - start_time:.2f} seconds"
    elif lang == "ja":
        cost_time = f"合成にかかった時間: {end_time - start_time:.2f}秒"
    elif lang == "ko":
        cost_time = f"합성에 소요된 시간: {end_time - start_time:.2f}초"
    if isinstance(audio, str):
        print(audio)
        raise gr.Error(audio)
    else:
        return audio, cost_time

def get_character_emotions(character, all_characters):
    # 从all_characters中筛选出与当前角色名称相同的所有记录
    character_records = all_characters[all_characters['名称'] == character['名称']]
    
    # 获取所有不重复的情绪
    emotions = character_records['情绪'].unique().tolist()
    
    # 如果没有找到情绪，返回一个默认值
    return emotions if emotions else ["默认情绪"]

def update_character_info(character_name, emotion, current_character, all_characters):
    character_info = None
    if character_name and emotion:
        character_info = all_characters[(all_characters['名称'] == character_name) & (all_characters['情绪'] == emotion)]
    if character_name == "":
        return None
    character_info = character_info.iloc[0].to_dict()
    return character_info, all_characters

def add_new_voice(current_character, selected_characters, kind, lang, all_characters):
    if not current_character:
        if lang == "zh":
            raise gr.Error("请先选择一个角色")
        elif lang == "en":
            raise gr.Error("Please select a character first")
        elif lang == "ja":
            raise gr.Error("まず、キャラクターを選択してください")
        elif lang == "ko":
            raise gr.Error("먼저 캐릭터를 선택하세요")
    
    if len(selected_characters) >= 5:
        raise gr.Error("已达到最大选择数（5个）")
    
    # 检查是否已存在相同角色
    existing_char = next((char for char in selected_characters if char['名称'] == current_character['名称']), None)
    if existing_char:
        # 如果情绪不同,更新情绪
        if existing_char['情绪'] != current_character['情绪']:
            existing_char['情绪'] = current_character['情绪']
    else:
        selected_characters.insert(0, current_character)
    
    updated_characters = get_characters(kind=kind, lang=lang, all_characters=all_characters)
    # ! 取消gallery选中状态,返回个新的gallery是必要的，否则会保留上一次的选中状态。这里sonnet很喜欢改成返回一个数组，但这不能清空gallery的选中状态
    updated_gallery = gr.Gallery(value=[[char['头像'], char['名称']] for char in updated_characters], 
                                 show_label=False, elem_id="character_gallery", columns=[11], 
                                 object_fit="contain", height="auto", interactive=False, 
                                 allow_preview=False, selected_index=None)
    
    return (None, gr.update(value=""), gr.update(choices=[]), selected_characters, 
            updated_characters, updated_gallery, gr.update(visible=True), all_characters)

def update_selected_chars_display(selected_characters):
    updates = []
    for i, (name, emotion, _, row) in enumerate(selected_chars_rows):
        if i < len(selected_characters):
            char = selected_characters[i]
            updates.extend([
                gr.update(value=char['名称'], visible=True),
                gr.update(value=char['情绪'], visible=True),
                gr.update(visible=True),
                gr.update(visible=True)
            ])
        else:
            updates.extend([
                gr.update(value="", visible=False),
                gr.update(value="", visible=False),
                gr.update(visible=False),
                gr.update(visible=False)
            ])
    return updates

def remove_character(index, selected_characters):
    if 0 <= index < len(selected_characters):
        del selected_characters[index]  
    return selected_characters, gr.update(visible=True)

def update_gallery(kind, query, all_characters):
    updated_characters = get_characters(kind=kind, query=query, lang=lang, all_characters=all_characters)
    return updated_characters, [[char['头像'], char['名称']] for char in updated_characters], all_characters

def on_select(evt: gr.SelectData, characters, selected_characters, all_characters):
    # 如果没有选择角色，换人的时候清空
    if len(selected_characters) == 0:
        selected_characters = []
    
    selected = characters[evt.index]
    emotions = get_character_emotions(selected, all_characters)
    default_emotion = emotions[0] if emotions else ""
    
    character_dict = selected.copy()
    character_dict['情绪'] = default_emotion

    return selected["名称"], gr.Dropdown(choices=emotions, value=default_emotion), character_dict, selected_characters

with gr.Blocks(title="Rubii TTS", theme=gr.themes.Soft()) as demo:
    lang = gr.Radio(choices=[("中文", "zh"), ("English", "en"), ("日本語", "ja"), ("한국인", "ko")], label=("Language"), value="zh", scale=1)
    all_characters_state = gr.State(load_characters_csv("zh"))
    
    # with Translate(trans_file, lang, placeholder_langs=["en", "zh", "ja", "ko"]):
    gr.Markdown(
        value=("""## 🎉 欢迎使用Rubii语音合成系统 🎉
            
    #### [🗣️ 不想只是听到角色的声音，还想与他们进行互动交流吗？快点击我来体验与这些角色的生动对话吧！(中国大陆暂不可用) 🌟](https://rubii.ai)

    📝 使用说明:
    1. 选择角色类别 🎭
    2. 从图库中选择一个或多个角色(最多5个) 👥。当选择多个角色时，系统会自动进行声线融合(以第一个角色为主音色，其他角色为辅助音色)，您可以尝试不同的组合来获得独特的声音效果。
    3. 选择角色的情绪 😊😢😠
    4. 输入要合成的文本 ✍️
    5. 点击"合成语音"按钮 🔊
    """
        ))
    with gr.Group():
        initial_characters = get_characters(kind="原神", lang="zh", all_characters=all_characters_state.value)
        characters = gr.State(initial_characters)
        selected_characters = gr.State([])
        current_character = gr.State(None)
        
        with gr.Blocks():
            with gr.Row():
                # kind = gr.Dropdown(choices=["原神", "崩坏星穹铁道","鸣潮","明日方舟","其他"], value="原神", label="请选择角色类别")
                choices = ["原神", "崩坏星穹铁道", "鸣潮"]
                kind = gr.Dropdown(choices=[((name), name) for name in choices], value="原神", label=("选择角色类别"))
                query = gr.Textbox(label=("搜索角色"), value="", lines=1, max_lines=1, interactive=True)
            with gr.Blocks():
                gallery = gr.Gallery(
                    value=[[char['头像'], char['名称']] for char in characters.value],
                    show_label=False,
                    elem_id="character_gallery",
                    columns=[11],
                    object_fit="contain",
                    height="auto",
                    interactive=False,
                    allow_preview=False,
                    selected_index=None
                )
            with gr.Row():
                character_name = gr.Textbox(label=("当前选择的角色"), interactive=False, max_lines=1)
                info_type = gr.Dropdown(choices=[], label=("选择情绪"))
            with gr.Row():
                add_voice_button = gr.Button(("添加新的声音"), variant="primary")
            
            selected_chars_container = gr.Column(elem_id="selected_chars_container", visible=False)
            
            with selected_chars_container:
                gr.Markdown(("### 已选择的角色"))
                selected_chars_rows = []
                for i in range(5):  # 假设最多选择5个角色
                    with gr.Row() as row:
                        name = gr.Textbox(label=("名称"), interactive=False, max_lines=1)
                        emotion = gr.Textbox(label=("情绪"), interactive=False, max_lines=1)
                        delete_btn = gr.Button(("删除"), scale=0)
                    selected_chars_rows.append((name, emotion, delete_btn, row))


        # -------------- 绑定事件 --------------
        
        lang.change(
            fn=update_all_characters,
            inputs=[lang, all_characters_state],
            outputs=[all_characters_state, characters, gallery]
        )

        add_voice_button.click(
            fn=add_new_voice,
            inputs=[current_character, selected_characters, kind, lang, all_characters_state],
            outputs=[current_character, character_name, info_type, selected_characters, 
                    characters, gallery, selected_chars_container, all_characters_state]
        ).then(
            fn=update_selected_chars_display,
            inputs=[selected_characters],
            outputs=[item for row in selected_chars_rows for item in row]
        )


        gallery.select(
            fn=on_select,
            inputs=[characters, selected_characters, all_characters_state],
            outputs=[character_name, info_type, current_character, selected_characters]
        )

        info_type.change(
            fn=update_character_info,
            inputs=[character_name, info_type, current_character, all_characters_state],
            outputs=[current_character, all_characters_state]
        )

        for i, (_, _, delete_btn, _) in enumerate(selected_chars_rows):
            delete_btn.click(
                fn=remove_character,
                inputs=[gr.Number(value=i, visible=False), selected_characters],
                outputs=[selected_characters, selected_chars_container]
            ).then(
                fn=update_selected_chars_display,
                inputs=[selected_characters],
                outputs=[item for row in selected_chars_rows for item in row]
            )
        
        kind.change(
            fn=update_gallery,
            inputs=[kind, query, all_characters_state],
            outputs=[characters, gallery, all_characters_state]
        )
        
        query.change(
            fn=update_gallery,
            inputs=[kind, query, all_characters_state],
            outputs=[characters, gallery, all_characters_state]
        )

        with gr.Row():
            with gr.Column():
                text = gr.Textbox(label=("需要合成的文本"), value="", lines=10, max_lines=10)
                inference_button = gr.Button(("🎉 合成语音 🎉"), variant="primary", size='lg')
            with gr.Column():
                output = gr.Audio(label=("输出的语音"), interactive=False, type="numpy")
                cost_time = gr.Textbox(label=("合成时间"), interactive=False, show_label=False, max_lines=1)
        try:
            inference_button.click(
                fn=generate,
                inputs=[current_character, selected_characters, text, lang],
                outputs=[output, cost_time],
            )
        except gr.Error as e:
            gr.Error(e)
        except Exception as e:
            pass
    gr.Markdown((terms))

if __name__ == '__main__':
    demo.queue(default_concurrency_limit=8).launch(
        server_name="0.0.0.0",
        server_port=80,
        show_api=False
    )