import json
import os
import platform

from PyQt5.QtCore import Qt, pyqtSignal
from PyQt5.QtGui import QKeyEvent
from PyQt5.QtWidgets import QWidget, QTabWidget, QTreeView
from qtawesome import icon

from custom_legendary.core import LegendaryCore
from custom_legendary.models.game import Game
from rare.ui.components.tabs.games.game_info.game_info import Ui_GameInfo
from rare.utils.extra_widgets import SideTabBar
from rare.utils.json_formatter import QJsonModel
from rare.utils.steam_grades import SteamWorker
from rare.utils.utils import get_pixmap


class UninstalledTabInfo(QTabWidget):
    def __init__(self, core, parent):
        super(UninstalledTabInfo, self).__init__(parent=parent)
        self.app_name = ""
        self.core = core
        self.setTabBar(SideTabBar())
        self.setTabPosition(QTabWidget.West)

        self.addTab(QWidget(), icon("mdi.keyboard-backspace", color="white"), self.tr("Back"))
        self.tabBarClicked.connect(lambda x: self.parent().layout.setCurrentIndex(0) if x == 0 else None)

        self.info = UninstalledInfo(core, self)
        self.addTab(self.info, self.tr("Game Info"))

        self.view = QTreeView()
        self.view.setColumnWidth(0, 300)
        self.view.setWordWrap(True)

        self.model = QJsonModel()
        self.view.setModel(self.model)

        self.addTab(self.view, self.tr("Metadata"))

        # self.setTabEnabled(1, False)
        self.setCurrentIndex(1)

    def update_game(self, app_name):
        self.info.update_game(app_name)
        self.model.clear()
        self.model.load(json.load(open(os.path.expanduser(f"~/.config/legendary/metadata/{app_name}.json"), "r")))

    def keyPressEvent(self, e: QKeyEvent):
        if e.key() == Qt.Key_Escape:
            self.parent().layout.setCurrentIndex(0)


class UninstalledInfo(QWidget, Ui_GameInfo):
    game: Game
    install_game = pyqtSignal(str)

    def __init__(self, core: LegendaryCore, parent=None):
        super(UninstalledInfo, self).__init__(parent=parent)
        self.setupUi(self)
        self.core = core

        if platform.system() != "Windows":
            self.steam_worker = SteamWorker(self.core)
            self.steam_worker.rating_signal.connect(self.grade.setText)

        if platform.system() == "Windows":
            self.lbl_grade.setVisible(False)
            self.grade.setVisible(False)

        self.install_size.setEnabled(False)
        self.lbl_install_size.setEnabled(False)
        self.install_path.setEnabled(False)
        self.lbl_install_path.setEnabled(False)

        self.game_actions_stack.setCurrentIndex(1)
        self.game_actions_stack.resize(self.game_actions_stack.minimumSize())

        self.install_button.clicked.connect(lambda: self.install_game.emit(self.game.app_name))

    def update_game(self, app_name):
        self.game = self.core.get_game(app_name)
        self.game_title.setText(f"<h2>{self.game.app_title}</h2>")

        pixmap = get_pixmap(app_name)
        w = 200
        pixmap = pixmap.scaled(w, int(w * 4 / 3))
        self.image.setPixmap(pixmap)

        self.app_name.setText(self.game.app_name)
        self.version.setText(self.game.app_version)
        self.dev.setText(self.game.metadata["developer"])
        self.install_size.setText("N/A")
        self.install_path.setText("N/A")

        if platform.system() != "Windows":
            self.grade.setText(self.tr("Loading"))
            self.steam_worker.set_app_name(app_name)
            self.steam_worker.start()