# ============================================================
# vqt6 — Viper 的 Qt6 绑定包
#
# 公共 Pythonic API（基于 C 桥接层）
# 用户用法:
#   import vqt6
#   app = vqt6.QApplication([])
#   win = vqt6.QWidget()
#   win.setWindowTitle("Hello")
#   win.show()
#   app.exec()
# ============================================================

import t
from stdint import *
from vqt6._types import *
from vqt6._qtcore import *
from vqt6._qtwidgets import *
from vqt6._qtgui import *
from vqt6._qtnetwork import *


# ============================================================
# 高级 API 类（Pythonic 包装，不透明指针）
# ============================================================
@t.NoVTable
class QApplication:
    """QApplication 包装（不透明指针）"""
    _ptr: QtAppPtr

    def __init__(self, argv: list[str] | t.CPtr):
        # 把 argv 转换为 argc/argv 数组
        argc: t.CInt = 1
        # Viper 端 argv 是 c_char_p 指针数组
        # 这里仅传空 argv，避免 C ABI 复杂性
        argv_ptr: t.CPtr = t.CPtr(0)
        self._ptr = vqt6_qapplication_create(argc, argv_ptr)
        if self._ptr is None:
            raise RuntimeError("Failed to create QApplication")

    def exec(self) -> int:
        return vqt6_qapplication_exec(self._ptr)

    def quit(self):
        vqt6_qapplication_quit(self._ptr)

    def exit(self, code: int):
        vqt6_qapplication_exit(self._ptr, code)

    def process_events(self):
        vqt6_qapplication_process_events(self._ptr)

    def desktop_width(self) -> int:
        return vqt6_qapplication_desktop_width(self._ptr)

    def desktop_height(self) -> int:
        return vqt6_qapplication_desktop_height(self._ptr)


@t.NoVTable
class QWidget:
    """QWidget 包装"""
    _ptr: QtWidgetPtr

    def __init__(self, parent: "QWidget | None" = None):
        if parent is not None and parent._ptr is not None:
            self._ptr = vqt6_qwidget_create_with_parent(parent._ptr)
        else:
            self._ptr = vqt6_qwidget_create()
        if self._ptr is None:
            raise RuntimeError("Failed to create QWidget")

    def show(self):
        vqt6_qwidget_show(self._ptr)

    def hide(self):
        vqt6_qwidget_hide(self._ptr)

    def close(self) -> int:
        return vqt6_qwidget_close(self._ptr)

    def setWindowTitle(self, title: str):
        title_qs: QtStringPtr = vqt6_qstring_create(title)
        vqt6_qwidget_set_window_title(self._ptr, title_qs)
        vqt6_qstring_free(title_qs)

    def windowTitle(self) -> str:
        result: QtStringPtr = vqt6_qwidget_window_title(self._ptr)
        buf: bytes = stdlib.malloc(1024)
        vqt6_qstring_to_utf8(result, buf, 1024)
        s: str = string.strndup(buf, 1024)
        vqt6_qstring_free(result)
        return s

    def resize(self, w: int, h: int):
        vqt6_qwidget_resize(self._ptr, w, h)

    def move(self, x: int, y: int):
        vqt6_qwidget_move(self._ptr, x, y)

    def setGeometry(self, x: int, y: int, w: int, h: int):
        vqt6_qwidget_set_geometry(self._ptr, x, y, w, h)

    def setEnabled(self, enabled: int):
        vqt6_qwidget_set_enabled(self._ptr, enabled)

    def setVisible(self, visible: int):
        vqt6_qwidget_set_visible(self._ptr, visible)

    def isVisible(self) -> int:
        return vqt6_qwidget_is_visible(self._ptr)

    def setToolTip(self, tip: str):
        tip_qs: QtStringPtr = vqt6_qstring_create(tip)
        vqt6_qwidget_set_tool_tip(self._ptr, tip_qs)
        vqt6_qstring_free(tip_qs)


@t.NoVTable
class QLabel:
    """QLabel 包装"""
    _ptr: QtLabelPtr

    def __init__(self, text: str = "", parent: "QWidget | None" = None):
        text_qs: QtStringPtr = vqt6_qstring_create(text)
        if parent is not None and parent._ptr is not None:
            self._ptr = vqt6_qlabel_create_with_text_parent(text_qs, parent._ptr)
        elif text_qs is not None:
            self._ptr = vqt6_qlabel_create_with_text(text_qs)
        else:
            self._ptr = vqt6_qlabel_create()
        vqt6_qstring_free(text_qs)
        if self._ptr is None:
            raise RuntimeError("Failed to create QLabel")

    def setText(self, text: str):
        text_qs: QtStringPtr = vqt6_qstring_create(text)
        vqt6_qlabel_set_text(self._ptr, text_qs)
        vqt6_qstring_free(text_qs)

    def text(self) -> str:
        result: QtStringPtr = vqt6_qlabel_text(self._ptr)
        buf: bytes = stdlib.malloc(1024)
        vqt6_qstring_to_utf8(result, buf, 1024)
        s: str = string.strndup(buf, 1024)
        vqt6_qstring_free(result)
        return s

    def setAlignment(self, alignment: int):
        vqt6_qlabel_set_alignment(self._ptr, alignment)


@t.NoVTable
class QPushButton:
    """QPushButton 包装"""
    _ptr: QtPushButtonPtr

    def __init__(self, text: str = "", parent: "QWidget | None" = None):
        text_qs: QtStringPtr = vqt6_qstring_create(text)
        if parent is not None and parent._ptr is not None:
            self._ptr = vqt6_qpushbutton_create_with_text_parent(text_qs, parent._ptr)
        elif text_qs is not None:
            self._ptr = vqt6_qpushbutton_create_with_text(text_qs)
        else:
            self._ptr = vqt6_qpushbutton_create()
        vqt6_qstring_free(text_qs)
        if self._ptr is None:
            raise RuntimeError("Failed to create QPushButton")

    def setText(self, text: str):
        text_qs: QtStringPtr = vqt6_qstring_create(text)
        vqt6_qpushbutton_set_text(self._ptr, text_qs)
        vqt6_qstring_free(text_qs)

    def text(self) -> str:
        result: QtStringPtr = vqt6_qpushbutton_text(self._ptr)
        buf: bytes = stdlib.malloc(1024)
        vqt6_qstring_to_utf8(result, buf, 1024)
        s: str = string.strndup(buf, 1024)
        vqt6_qstring_free(result)
        return s

    def click(self):
        vqt6_qpushbutton_click(self._ptr)

    def setEnabled(self, enabled: int):
        vqt6_qwidget_set_enabled(self._ptr, enabled)


# ============================================================
# 模块导出
# ============================================================
__all__ = [
    # 高层类
    "QApplication", "QWidget", "QLabel", "QPushButton",
    # 类型
    "QtObjectPtr", "QtStringPtr", "QtByteArrayPtr", "QtWidgetPtr", "QtAppPtr",
    "QtLabelPtr", "QtPushButtonPtr",
    "QtColorPtr", "QtFontPtr", "QtPixmapPtr", "QtImagePtr", "QtPainterPtr",
    "QtTcpSocketPtr", "QtHostAddressPtr", "QtNetworkRequestPtr", "QtNetworkReplyPtr",
    # 常量
    "QT_KEY_ESCAPE", "QT_KEY_RETURN", "QT_KEY_A", "QT_KEY_Z",
    "QT_LEFT_BUTTON", "QT_RIGHT_BUTTON", "QT_MID_BUTTON",
    "QT_HORIZONTAL", "QT_VERTICAL",
    "QT_ALIGN_LEFT", "QT_ALIGN_CENTER", "QT_ALIGN_RIGHT",
    "QT_PORT_HTTP", "QT_PORT_HTTPS", "QT_PORT_FTP",
    "QT_OK", "QT_CANCEL", "QT_YES", "QT_NO", "QT_CLOSE",
]
