import sys
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow, QPushButton, QTreeView
from PyQt5.Qt import QStandardItemModel, QStandardItem
from PyQt5.QtCore import pyqtSlot, QAbstractListModel
import json

import GlowstoneDust


class App(QMainWindow):

    def __init__(self, target_dir='.'):
        super().__init__()
        self.title = 'Project Glowstone: Block Edition'
        self.left = 300
        self.top = 300
        self.width = 640
        self.height = 480
        self.target_dir = target_dir
        self.init_ui()

    def init_ui(self):
        self.setWindowTitle(self.title)
        self.setGeometry(self.left, self.top, self.width, self.height)

        self.treeView = QTreeView()
        self.treeView.setHeaderHidden(True)

        self.update_modlist(list(GlowstoneDust.get_modpack_info(self.target_dir)))

        self.statusBar().showMessage('Message')
        self.show()

    def update_modlist(self, modlist=None):
        self.treeModel = QStandardItemModel()
        self.rootNode = self.treeModel.invisibleRootItem()

        self.modlist = modlist or []
        print(json.dumps(self.modlist, indent=4))

        mc = QStandardItem('Minecraft')
        mc.setEditable(False)
        self.rootNode.appendRow(mc)

        for mod in self.modlist:
            mod_row = QStandardItem(mod['modid'])
            for dependant_mod in mod.get('dependencies', []):
                if dependant_mod is dict:
                    mod_row.appendRow(QStandardItem(dependant_mod.get('modid')))
                else:
                    mod_row.appendRow(QStandardItem(dependant_mod))
            mc.appendRow(mod_row)

        self.treeView.setModel(self.treeModel)
        self.treeView.expandAll()
        self.setCentralWidget(self.treeView)


    @pyqtSlot()
    def on_click(self):
        print('PyQt5 button click')

    @pyqtSlot()
    def make_tree(self):
        print("Making mod tree...")
        modpack_info = GlowstoneDust.get_modpack_info('.')
        print(json.dumps(modpack_info))


if __name__ == '__main__':
    app = QApplication(sys.argv)
    ex = App(target_dir=r"C:\Users\VY Canis Majoris\AppData\Roaming\.moddedminecraft\1.12\1.12.2\Sinkhole\mods")
    sys.exit(app.exec_())