# -*- coding: utf-8 -*-
"""
IO 模块完整演示
─────────────────────────────────────────────────────────────────
运行: python main.py
依赖: pip install PyQt5 SpeechRecognition pyaudio pyttsx3
─────────────────────────────────────────────────────────────────
"""

import logging
import sys

from PyQt5.QtCore import Qt, QTimer, pyqtSlot
from PyQt5.QtWidgets import (
    QApplication, QMainWindow, QWidget,
    QVBoxLayout, QSplitter,
    QTabWidget, QStatusBar
)
# ── 处理器 ────────────────────────────────────────────────────────
from processors.text_processor import PIPELINE_PRESETS
from uas.io.base_io import IOType
from uas.io.dispatcher import IODispatcher
# ── 核心模块 ──────────────────────────────────────────────────────
from uas.io.signals import io_signals

from inputs.speech_input import SpeechInputWidget
# ── 输入模块 ──────────────────────────────────────────────────────
from inputs.text_input import TextInputWidget, ConsoleTextInput
from outputs.speech_output import SpeechOutputWidget
# ── 输出模块 ──────────────────────────────────────────────────────
from outputs.text_output import TextOutputWidget

# ── 日志 ──────────────────────────────────────────────────────────
logging.basicConfig(
    level  = logging.DEBUG,
    format = "%(asctime)s [%(levelname)-8s] %(name)s - %(message)s",
)
logger = logging.getLogger("main")


# ─────────────────────────────────────────────────────────────────
# 主窗口
# ─────────────────────────────────────────────────────────────────

class MainWindow(QMainWindow):

    def __init__(self):
        super().__init__()
        self.setWindowTitle("🛰️  IO 通信模块 — PyQt5 信号槽演示")
        self.resize(1100, 700)
        self._setup_dispatcher()
        self._setup_ui()
        self._connect_signals()
        self._auto_demo()

    # ── 分发器初始化 ──────────────────────────────────────────────

    def _setup_dispatcher(self):
        self.dispatcher = IODispatcher(max_threads=4, parent=self)
        # 注册文本处理链（full 预设）
        for proc in PIPELINE_PRESETS["full"]:
            self.dispatcher.register_processor(IOType.TEXT, proc)
        # 注册语音处理链
        for proc in PIPELINE_PRESETS["speech"]:
            self.dispatcher.register_processor(IOType.SPEECH, proc)
        self.dispatcher.start()
        logger.info("✅ 分发器已启动")

    # ── UI 构建 ───────────────────────────────────────────────────

    def _setup_ui(self):
        central = QWidget()
        self.setCentralWidget(central)
        main_layout = QVBoxLayout(central)
        main_layout.setContentsMargins(6, 6, 6, 6)

        # 水平分割：左=输入，右=输出
        splitter = QSplitter(Qt.Horizontal)

        # ── 左侧：输入 Tab ────────────────────────────────────────
        input_tabs = QTabWidget()

        self.text_input   = TextInputWidget()
        self.speech_input = SpeechInputWidget()

        input_tabs.addTab(self.text_input,   "📝 文本输入")
        input_tabs.addTab(self.speech_input, "🎤 语音输入")
        splitter.addWidget(input_tabs)

        # ── 右侧：输出 Tab ────────────────────────────────────────
        output_tabs = QTabWidget()

        self.text_output   = TextOutputWidget()
        self.speech_output = SpeechOutputWidget()

        output_tabs.addTab(self.text_output,   "📄 文本输出")
        output_tabs.addTab(self.speech_output, "🔊 语音输出")
        splitter.addWidget(output_tabs)

        splitter.setSizes([420, 660])
        main_layout.addWidget(splitter)

        # ── 状态栏 ────────────────────────────────────────────────
        self._status = QStatusBar()
        self.setStatusBar(self._status)
        self._status.showMessage("就绪 | IODispatcher 运行中")

    # ── 信号连接 ──────────────────────────────────────────────────

    def _connect_signals(self):
        # 全局信号监听（用于状态栏更新）
        io_signals.input_received.connect(self._on_input_received)
        io_signals.input_processed.connect(self._on_processed)
        io_signals.error_occurred.connect(self._on_error)
        io_signals.speech_recognized.connect(self._on_speech_recognized)

    @pyqtSlot(str, str, object)
    def _on_input_received(self, data_id: str, io_type: str, data):
        self._status.showMessage(
            f"📥 收到输入 [{io_type}] id={data_id[:8]}  正在处理..."
        )

    @pyqtSlot(str, str, object)
    def _on_processed(self, data_id: str, io_type: str, data):
        self._status.showMessage(
            f"✅ 处理完成 [{io_type}] id={data_id[:8]}"
        )

    @pyqtSlot(str, str, str)
    def _on_error(self, data_id: str, source: str, msg: str):
        self._status.showMessage(f"❌ 错误 [{source}]: {msg}")

    @pyqtSlot(str)
    def _on_speech_recognized(self, text: str):
        self._status.showMessage(f"🎤 语音识别: {text}")

    # ── 自动演示 ──────────────────────────────────────────────────

    def _auto_demo(self):
        """启动后自动注入几条测试消息"""
        demo_texts = [
            "Hello World！这是第一条测试消息。",
            "PyQt5 信号与槽机制实现异步IO分发？",
            "支持文本、语音、文件等多种输入输出类型！",
        ]
        console_input = ConsoleTextInput(self)

        def inject_next(idx=0):
            if idx < len(demo_texts):
                console_input.inject(demo_texts[idx])
                QTimer.singleShot(800, lambda: inject_next(idx + 1))

        QTimer.singleShot(500, inject_next)

    def closeEvent(self, event):
        self.dispatcher.stop()
        self.speech_input.stop()
        event.accept()


# ─────────────────────────────────────────────────────────────────
# 入口
# ─────────────────────────────────────────────────────────────────

def main():
    app = QApplication(sys.argv)
    app.setStyle("Fusion")
    win = MainWindow()
    win.show()
    sys.exit(app.exec_())


if __name__ == "__main__":
    main()