# -*- coding: utf-8 -*-
"""
文本输出 + 语音输出模块
"""

import logging

from PyQt5.QtCore import pyqtSlot
from PyQt5.QtWidgets import (
    QWidget, QVBoxLayout, QHBoxLayout,
    QTextEdit, QLabel, QPushButton
)
from uas.io.base_io import BaseOutput, IOData, IOType
from uas.io.signals import io_signals

logger = logging.getLogger(__name__)

try:
    import pyttsx3
    HAS_TTS = True
except ImportError:
    HAS_TTS = False
    logger.warning("⚠️  pyttsx3 未安装: pip install pyttsx3")


# ─────────────────────────────────────────────────────────────────
# 文本输出组件
# ─────────────────────────────────────────────────────────────────

class TextOutput(BaseOutput):
    def __init__(self):
        super().__init__("text_output", [IOType.TEXT, IOType.SPEECH])

    def render(self, data: IOData) -> None:
        """将处理结果追加到文本框"""
        import time
        ts = time.strftime("%H:%M:%S", time.localtime(data.timestamp))
        icon = {"text": "📝", "speech": "🎤", "file": "📁"}.get(
            data.io_type.value, "📦"
        )
        result = data.processed if data.processed is not None else data.raw
        html = (
            f'<span style="color:#569cd6;">[{ts}]</span> '
            f'<span style="color:#4ec9b0;">{icon} {data.io_type.value.upper()}</span> '
            f'<span style="color:#ce9178;">{data.data_id[:8]}</span><br>'
            f'<span style="color:#d4d4d4;">{result}</span><br>'
            f'<span style="color:#3c3c3c;">{"─" * 50}</span><br>'
        )
        self._output_edit.append(html)
        # 自动滚动到底部
        sb = self._output_edit.verticalScrollBar()
        sb.setValue(sb.maximum())

class TextOutputWidget(QWidget, TextOutput):
    """
    文本输出 UI 组件
    接收 output_ready 信号，将处理结果显示在滚动文本框中
    """

    def __init__(self, parent=None):
        QWidget.__init__(self, parent)
        TextOutput.__init__(self)
        self._build_ui()

    def _build_ui(self):
        layout = QVBoxLayout(self)
        layout.setContentsMargins(8, 8, 8, 8)
        layout.setSpacing(6)

        # 标题栏
        title_row = QHBoxLayout()
        title = QLabel("📄 输出结果")
        title.setStyleSheet("font-weight: bold; font-size: 13px;")
        title_row.addWidget(title)
        title_row.addStretch()

        clear_btn = QPushButton("清空")
        clear_btn.setFixedWidth(50)
        clear_btn.clicked.connect(self._output_edit.clear
                                  if hasattr(self, "_output_edit") else lambda: None)
        title_row.addWidget(clear_btn)
        layout.addLayout(title_row)

        # 输出文本框
        self._output_edit = QTextEdit()
        self._output_edit.setReadOnly(True)
        self._output_edit.setStyleSheet("""
            QTextEdit {
                background: #1e1e1e;
                color: #d4d4d4;
                font-family: Consolas, monospace;
                font-size: 13px;
                border-radius: 6px;
                padding: 6px;
            }
        """)
        layout.addWidget(self._output_edit)

        # 重新绑定清空按钮
        clear_btn.clicked.disconnect()
        clear_btn.clicked.connect(self._output_edit.clear)

        # 状态栏
        self._status_bar = QLabel("就绪")
        self._status_bar.setStyleSheet("color: gray; font-size: 11px;")
        layout.addWidget(self._status_bar)

        # 连接状态信号
        io_signals.status_changed.connect(self._on_status_changed)
        io_signals.error_occurred.connect(self._on_error)
        io_signals.progress_updated.connect(self._on_progress)

    @pyqtSlot(str, str)
    def _on_status_changed(self, data_id: str, status: str):
        self._status_bar.setText(f"状态: {status}  [{data_id[:8]}]")

    @pyqtSlot(str, str, str)
    def _on_error(self, data_id: str, source: str, msg: str):
        self._output_edit.append(
            f'<span style="color:#f44747;">❌ 错误 [{data_id[:8]}] {source}: {msg}</span><br>'
        )

    @pyqtSlot(str, int)
    def _on_progress(self, data_id: str, progress: int):
        self._status_bar.setText(f"处理中: {progress}%  [{data_id[:8]}]")