import sys
import os
import shutil
import json
import requests
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QHBoxLayout, QLabel, QLineEdit, QPushButton, QListWidget, QListWidgetItem, QMessageBox, QComboBox, QDialog, QTabWidget, QMainWindow, QSpacerItem, QSizePolicy
from PyQt5.QtCore import Qt, QSize
from PyQt5.QtGui import QIcon, QPalette, QColor, QPixmap

CONFIG_FILE = "config.json"

class ModrinthSearchApp(QWidget):
    def __init__(self):
        super().__init__()

        # Check and create folders if they don't exist
        self.check_and_create_folders()

        self.setWindowTitle("Marroc Mod Manager")
        self.setGeometry(100, 100, 500, 400)

        # Set Fusion style
        app.setStyle("Fusion")
        # Set dark color palette
        dark_palette = QPalette()
        dark_palette.setColor(QPalette.Window, QColor(53, 53, 53))
        dark_palette.setColor(QPalette.WindowText, Qt.white)
        dark_palette.setColor(QPalette.Base, QColor(25, 25, 25))
        dark_palette.setColor(QPalette.AlternateBase, QColor(53, 53, 53))
        dark_palette.setColor(QPalette.ToolTipBase, Qt.white)
        dark_palette.setColor(QPalette.ToolTipText, Qt.white)
        dark_palette.setColor(QPalette.Text, Qt.white)
        dark_palette.setColor(QPalette.Button, QColor(53, 53, 53))
        dark_palette.setColor(QPalette.ButtonText, Qt.white)
        dark_palette.setColor(QPalette.BrightText, Qt.red)
        dark_palette.setColor(QPalette.Link, QColor(42, 130, 218))
        dark_palette.setColor(QPalette.Highlight, QColor(42, 130, 218))
        dark_palette.setColor(QPalette.HighlightedText, Qt.white)
        self.setPalette(dark_palette)

        layout = QVBoxLayout()

        tab_widget = QTabWidget()
        self.search_tab = QWidget()
        self.mods_tab = QWidget()

        tab_widget.addTab(self.search_tab, "Search")
        tab_widget.addTab(self.mods_tab, "Mods")

        self.init_search_tab()
        self.init_mods_tab()

        layout.addWidget(tab_widget)

        self.setLayout(layout)

    def check_and_create_folders(self):
        # Check and create 'marroc/mods' and 'marroc/resourcepacks' folders if they don't exist
        folders = ['marroc/mods', 'marroc/resourcepacks']
        for folder in folders:
            if not os.path.exists(folder):
                os.makedirs(folder)

    def init_search_tab(self):
        layout = QVBoxLayout()

        search_layout = QHBoxLayout()  # Horizontal layout for search bar and dropdown
        self.search_input = QLineEdit()
        self.search_input.setPlaceholderText("Enter mod name...")
        search_layout.addWidget(self.search_input)

        self.search_button = QPushButton("Search")
        self.search_button.clicked.connect(self.search_mods)
        search_layout.addWidget(self.search_button)

        self.search_type_dropdown = QComboBox()  # Dropdown for selecting mod type
        self.search_type_dropdown.addItems(["Mod", "Texture Pack"])
        search_layout.addWidget(self.search_type_dropdown)

        layout.addLayout(search_layout)

        self.mods_list = QListWidget()
        layout.addWidget(self.mods_list)

        self.select_button = QPushButton("Select Mod")
        self.select_button.clicked.connect(self.show_mod_details_window)
        layout.addWidget(self.select_button)

        self.selected_mod = None

        self.search_tab.setLayout(layout)

    def init_mods_tab(self):
        layout = QVBoxLayout()
        self.mod_manager_window = ModManagerWindow()  # Initialize ModManagerWindow
        layout.addWidget(self.mod_manager_window)
        self.mods_tab.setLayout(layout)

    def search_mods(self):
        self.mods_list.clear()
        mod_name = self.search_input.text()
        search_type = self.search_type_dropdown.currentText().lower()  # Get selected mod type
        if search_type == "texture pack":
            api_url = f"https://api.modrinth.com/v2/search?query={mod_name}&limit=20&facets=%5B%5B%22project_type%3Aresourcepack%22%5D%5D"
        else:
            api_url = f"https://api.modrinth.com/v2/search?query={mod_name}&limit=20&facets=%5B%5B%22project_type%3A{search_type}%22%5D%5D"
        response = requests.get(api_url)
        if response.status_code == 200:
            mods_data = json.loads(response.text)
            for mod in mods_data['hits']:
                mod_name = mod['title']
                mod_description = mod['description']
                item = QListWidgetItem(f"Title: {mod_name}\nDescription: {mod_description}")
                item.setSizeHint(QSize(100, 50))  # Set size hint to increase height
                item.mod_data = mod
                self.mods_list.addItem(item)
        else:
            self.mods_list.addItem("Failed to fetch mods. Please try again later.")

    def show_mod_details_window(self):
        selected_item = self.mods_list.currentItem()
        if selected_item is not None:
            mod_data = selected_item.mod_data
            mod_slug = mod_data.get('slug')
            if mod_slug:
                api_url = f"https://api.modrinth.com/v2/project/{mod_slug}"
                response = requests.get(api_url)
                if response.status_code == 200:
                    mod_info = json.loads(response.text)
                    icon_url = mod_info.get('icon_url')
                    mod_versions = self.get_mod_versions(mod_slug)
                    mod_details_window = ModDetailsWindow(mod_data, icon_url, mod_versions)
                    mod_details_window.exec_()
                else:
                    QMessageBox.warning(self, "Failed to Fetch Mod Details", "Failed to fetch mod details. Please try again later.")
            else:
                QMessageBox.warning(self, "No Mod Slug", "Selected mod has no slug.")
        else:
            QMessageBox.warning(self, "No Mod Selected", "Please select a mod first.")

    def get_mod_versions(self, mod_slug):
        api_url = f"https://api.modrinth.com/v2/project/{mod_slug}/version"
        response = requests.get(api_url)
        if response.status_code == 200:
            versions = json.loads(response.text)
            mod_versions = []
            for version in versions:
                version_name = version['name']
                version_files = version.get('files', [])
                if version_files:
                    file_urls = [file['url'] for file in version_files]
                    mod_versions.append({'version': version_name, 'files': file_urls})
                else:
                    mod_versions.append({'version': version_name, 'files': []})
            return mod_versions
        else:
            return []

class ModManagerWindow(QMainWindow):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("Mod Manager")
        self.setGeometry(100, 100, 600, 400)

        self.central_widget = QWidget()
        self.setCentralWidget(self.central_widget)

        self.layout = QHBoxLayout(self.central_widget)

        # Combo box to select between mods and resource packs
        self.file_type_combo_box = QComboBox()
        self.file_type_combo_box.addItems(["Mods", "Resource Packs"])
        self.file_type_combo_box.currentIndexChanged.connect(self.load_files)

        # Left column - Available files
        self.available_files_widget = QListWidget()

        # Right column - Installed files
        self.installed_files_widget = QListWidget()

        # Vertical layout for buttons and dropdown
        self.button_dropdown_layout = QVBoxLayout()
        self.button_dropdown_layout.addWidget(self.file_type_combo_box)

        # Spacer to center the buttons vertically
        self.button_dropdown_layout.addSpacerItem(QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding))

        # Button to move selected mod from available to installed
        self.move_right_button = QPushButton(">")
        self.move_right_button.clicked.connect(self.move_right)
        self.button_dropdown_layout.addWidget(self.move_right_button)

        # Button to move selected mod from installed to available
        self.move_left_button = QPushButton("<")
        self.move_left_button.clicked.connect(self.move_left)
        self.button_dropdown_layout.addWidget(self.move_left_button)

        # Button to delete selected item
        self.delete_button = QPushButton("Delete")
        self.delete_button.clicked.connect(self.delete_selected_item)
        self.button_dropdown_layout.addWidget(self.delete_button)

        # Spacer to center the buttons vertically
        self.button_dropdown_layout.addSpacerItem(QSpacerItem(20, 40, QSizePolicy.Minimum, QSizePolicy.Expanding))

        # Add widgets to the layout
        self.layout.addWidget(self.available_files_widget)
        self.layout.addLayout(self.button_dropdown_layout)
        self.layout.addWidget(self.installed_files_widget)

        # Load files based on initial selection
        self.load_files()

    def load_files(self):
        file_type = self.file_type_combo_box.currentText()
        if file_type == "Mods":
            self.load_mods()
        elif file_type == "Resource Packs":
            self.load_resource_packs()

    def load_mods(self):
        # Load mods from specified directory
        mods_directory = "marroc/mods"
        if os.path.exists(mods_directory) and os.path.isdir(mods_directory):
            mods = os.listdir(mods_directory)
            self.available_files_widget.clear()
            self.available_files_widget.addItems(mods)

        # Load installed mods
        self.load_installed_mods("mods")

    def load_resource_packs(self):
        # Load resource packs from specified directory
        resource_packs_directory = "marroc/resourcepacks"
        if os.path.exists(resource_packs_directory) and os.path.isdir(resource_packs_directory):
            resource_packs = os.listdir(resource_packs_directory)
            self.available_files_widget.clear()
            self.available_files_widget.addItems(resource_packs)

        # Load installed resource packs
        self.load_installed_mods("resourcepacks")

    def load_installed_mods(self, file_type):
        # Detect Minecraft directory based on the operating system
        if sys.platform.startswith('linux'):
            minecraft_directory = os.path.expanduser("~/.local/share/picomc/instances/default/minecraft")
        elif sys.platform.startswith('win'):
            minecraft_directory = os.path.join(os.getenv('APPDATA'), '.picomc/instances/default/minecraft')
        else:
            minecraft_directory = ""

        if minecraft_directory:
            installed_files_directory = os.path.join(minecraft_directory, file_type)
            if os.path.exists(installed_files_directory) and os.path.isdir(installed_files_directory):
                installed_files = os.listdir(installed_files_directory)
                self.installed_files_widget.clear()
                self.installed_files_widget.addItems(installed_files)

    def move_right(self):
        selected_item = self.available_files_widget.currentItem()
        if selected_item:
            source_directory = self.get_source_directory()
            destination_directory = self.get_destination_directory()
            file_name = selected_item.text()
            source_path = os.path.join(source_directory, file_name)
            destination_path = os.path.join(destination_directory, file_name)
            shutil.move(source_path, destination_path)
            self.load_files()

    def move_left(self):
        selected_item = self.installed_files_widget.currentItem()
        if selected_item:
            source_directory = self.get_destination_directory()
            destination_directory = self.get_source_directory()
            file_name = selected_item.text()
            source_path = os.path.join(source_directory, file_name)
            destination_path = os.path.join(destination_directory, file_name)
            shutil.move(source_path, destination_path)
            self.load_files()

    def delete_selected_item(self):
        selected_item = self.available_files_widget.currentItem() or self.installed_files_widget.currentItem()
        if selected_item:
            file_name = selected_item.text()
            reply = QMessageBox.question(self, 'Delete Item', f'Are you sure you want to delete "{file_name}"?',
                                         QMessageBox.Yes | QMessageBox.No, QMessageBox.No)
            if reply == QMessageBox.Yes:
                file_type = self.file_type_combo_box.currentText()
                if file_type == "Mods":
                    directory = "marroc/mods"
                elif file_type == "Resource Packs":
                    directory = "marroc/resourcepacks"
                else:
                    return
                file_path = os.path.join(directory, file_name)
                if os.path.exists(file_path):
                    os.remove(file_path)
                    self.load_files()
                else:
                    QMessageBox.warning(self, 'File Not Found', 'The selected file does not exist.')

    def get_source_directory(self):
        file_type = self.file_type_combo_box.currentText()
        if file_type == "Mods":
            return "marroc/mods"
        elif file_type == "Resource Packs":
            return "marroc/resourcepacks"
        else:
            return ""

    def get_destination_directory(self):
        file_type = self.file_type_combo_box.currentText()
        if file_type == "Mods":
            if sys.platform.startswith('linux'):
                return os.path.expanduser("~/.local/share/picomc/instances/default/minecraft/mods")
            elif sys.platform.startswith('win'):
                return os.path.join(os.getenv('APPDATA'), '.picomc/instances/default/minecraft/mods')
        elif file_type == "Resource Packs":
            if sys.platform.startswith('linux'):
                return os.path.expanduser("~/.local/share/picomc/instances/default/minecraft/resourcepacks")
            elif sys.platform.startswith('win'):
                return os.path.join(os.getenv('APPDATA'), '.picomc/instances/default/minecraft/resourcepacks')
        else:
            return ""

class ModDetailsWindow(QDialog):
    def __init__(self, mod_data, icon_url, mod_versions):
        super().__init__()

        self.setWindowTitle("Mod Details")
        self.setGeometry(100, 100, 400, 300)

        self.mod_data = mod_data  # Store mod data

        layout = QVBoxLayout()

        mod_name_label = QLabel(f"<h2>{mod_data['title']}</h2>")
        mod_name_label.setAlignment(Qt.AlignCenter)
        layout.addWidget(mod_name_label)

        mod_description_label = QLabel(mod_data['description'])
        mod_description_label.setWordWrap(True)
        layout.addWidget(mod_description_label)

        icon_pixmap = self.load_icon(icon_url)
        icon_label = QLabel()
        if icon_pixmap:
            icon_label.setPixmap(icon_pixmap.scaledToWidth(200))
            icon_label.setAlignment(Qt.AlignCenter)
            layout.addWidget(icon_label)

        self.version_dropdown = QComboBox()
        for version in mod_versions:
            self.version_dropdown.addItem(version['version'])
            self.version_dropdown.setItemData(self.version_dropdown.count() - 1, version['files'], Qt.UserRole)
        layout.addWidget(self.version_dropdown)

        self.download_button = QPushButton("Download")
        self.download_button.clicked.connect(self.download_mod)
        layout.addWidget(self.download_button)

        self.download_url_label = QLabel()
        self.download_url_label.setAlignment(Qt.AlignCenter)
        layout.addWidget(self.download_url_label)

        layout.addStretch(1)

        self.setLayout(layout)

    def load_icon(self, icon_url):
        try:
            response = requests.get(icon_url)
            if response.status_code == 200:
                pixmap = QPixmap()
                pixmap.loadFromData(response.content)
                return pixmap
            else:
                return None
        except Exception as e:
            print("Error loading icon:", e)
            return None

    def download_mod(self):
        selected_version_index = self.version_dropdown.currentIndex()
        selected_version_files = self.version_dropdown.itemData(selected_version_index, Qt.UserRole)
        if selected_version_files:
            for file_url in selected_version_files:
                filename = os.path.basename(file_url)
                try:
                    response = requests.get(file_url)
                    response.raise_for_status()
                    save_dir = "marroc/mods" if filename.endswith('.jar') else "marroc/resourcepacks"
                    with open(os.path.join(save_dir, filename), 'wb') as f:
                        f.write(response.content)
                    QMessageBox.information(self, "Download Mod", f"Downloaded {filename} successfully.")
                    return
                except requests.exceptions.RequestException as e:
                    QMessageBox.warning(self, "Download Error", f"Error downloading mod: {e}")
                    return
        QMessageBox.warning(self, "Download Mod", "Failed to download the mod.")

if __name__ == "__main__":
    app = QApplication(sys.argv)
    app_icon = QIcon('marroc.ico')  # Provide the path to your icon file
    app.setWindowIcon(app_icon)  # Set the application icon
    window = ModrinthSearchApp()
    window.show()
    sys.exit(app.exec_())