import tkinter as tk
from tkinter import ttk
import speech_recognition as sr
import pyttsx3

# 初始化文本转语音引擎
engine = pyttsx3.init()


def text_to_speech():
    text = text_input.get("1.0", "end-1c")
    engine.say(text)
    engine.runAndWait()


def speech_to_text():
    # 初始化识别器
    r = sr.Recognizer()

    with sr.Microphone() as source:
        print("请说话:")
        audio = r.listen(source)

    try:
        text = r.recognize_google(audio, language='zh-CN')
        text_output.delete("1.0", tk.END)
        text_output.insert(tk.END, text)
    except sr.UnknownValueError:
        print("Google Speech Recognition无法理解音频")
    except sr.RequestError as e:
        print(f"无法从Google Speech Recognition服务请求结果; {e}")


def real_time_transcription():
    # 这里简化处理，实际应用中需要一个循环监听并实时转写

    print("实时转写功能尚未实现，请手动调用speech_to_text进行单次转写")


def switch_frame(frame):
    frame.tkraise()


# 创建主窗口
root = tk.Tk()
root.title("语音识别与转换系统")

# 创建一个容器来放置不同的Frame
container = ttk.Frame(root)
container.pack(side="top", fill="both", expand=True)

# 创建不同的Frame对应不同功能
frame_text_to_speech = ttk.Frame(container)
frame_speech_to_text = ttk.Frame(container)
frame_real_time = ttk.Frame(container)

# 在每个Frame中添加对应的功能组件
# 文本转语音Frame
ttk.Label(frame_text_to_speech, text="请输入要转换为语音的文本:").pack()
text_input = tk.Text(frame_text_to_speech, height=20)
text_input.pack()
ttk.Button(frame_text_to_speech, text="转换", command=text_to_speech).pack()

# 语音转文本Frame
ttk.Label(frame_speech_to_text, text="请点击下方按钮开始语音识别:").pack()
ttk.Button(frame_speech_to_text, text="开始识别", command=speech_to_text).pack()
text_output = tk.Text(frame_speech_to_text, height=20)
text_output.pack()

# 实时转写Frame（简化示意）
ttk.Label(frame_real_time, text="实时转写功能界面（待实现）").pack()
ttk.Button(frame_real_time, text="返回", command=lambda: switch_frame(container)).pack()

# 将所有Frame添加到容器中
for frame in (frame_text_to_speech, frame_speech_to_text, frame_real_time):
    frame.grid(row=0, column=0, sticky="nsew")

switch_frame(frame_text_to_speech)  # 默认显示文本转语音界面

# 创建顶部菜单进行功能切换
menu = tk.Menu(root)

root.config(menu=menu)

sub_menu = tk.Menu(menu, tearoff=0)

menu.add_cascade(label="功能选择", menu=sub_menu)
sub_menu.add_command(label="文本转语音", command=lambda: switch_frame(frame_text_to_speech))
sub_menu.add_command(label="语音转文本", command=lambda: switch_frame(frame_speech_to_text))
sub_menu.add_command(label="实时转写", command=lambda: switch_frame(frame_real_time))

root.mainloop()