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 legendary.core import LegendaryCore
from 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"), 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()
        try:
            self.model.load(json.load(open(os.path.expanduser(f"~/.config/legendary/metadata/{app_name}.json"), "r")))
        except:  # ignore if no metadata
            pass

    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, game: Game):
        self.game = game

        self.game_title.setText(f"<h2>{self.game.app_title}</h2>")

        pixmap = get_pixmap(game.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(game.app_name)
            self.steam_worker.start()