from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QLabel, QLineEdit, 
                               QPushButton, QMessageBox, QApplication)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QClipboard

from license_manager import LicenseManager

class RegistrationDialog(QDialog):
    def __init__(self):
        super().__init__()
        self.setWindowTitle("Aktivasi ProBackup")
        self.resize(400, 300)
        self.setStyleSheet("""
            QDialog { background-color: #282a36; color: #f8f8f2; font-family: "Segoe UI"; }
            QLabel { color: #f8f8f2; font-size: 14px; }
            QLineEdit { background-color: #44475a; border: 1px solid #6272a4; padding: 8px; color: #f8f8f2; border-radius: 4px; }
            QPushButton { background-color: #6272a4; color: white; border: none; padding: 10px; border-radius: 4px; font-weight: bold; }
            QPushButton:hover { background-color: #bd93f9; }
        """)
        
        self.hwid = LicenseManager.get_hardware_id()
        self.verified = False
        
        self.setup_ui()
        
    def setup_ui(self):
        layout = QVBoxLayout(self)
        layout.setSpacing(15)
        
        # Title
        title = QLabel("Aktivasi Produk Diperlukan")
        title.setStyleSheet("font-size: 18px; font-weight: bold; color: #ff5555;")
        title.setAlignment(Qt.AlignCenter)
        layout.addWidget(title)
        
        # Info
        info = QLabel("Untuk menggunakan aplikasi ini, silakan kirimkan ID Mesin di bawah ini ke administrator untuk mendapatkan Kunci Aktivasi.")
        info.setWordWrap(True)
        layout.addWidget(info)
        
        # HWID Display
        layout.addWidget(QLabel("ID Mesin Anda:"))
        
        self.hwid_input = QLineEdit(self.hwid)
        self.hwid_input.setReadOnly(True)
        self.hwid_input.setStyleSheet("font-family: Consolas; font-size: 14px; color: #50fa7b;")
        layout.addWidget(self.hwid_input)
        
        copy_btn = QPushButton("Salin ID Mesin")
        copy_btn.clicked.connect(self.copy_hwid)
        layout.addWidget(copy_btn)
        
        # Key Input
        layout.addWidget(QLabel("Masukkan Kunci Aktivasi:"))
        self.key_input = QLineEdit()
        self.key_input.setPlaceholderText("Tempel kunci aktivasi disini...")
        layout.addWidget(self.key_input)
        
        # Actions
        activate_btn = QPushButton("AKTIFKAN")
        activate_btn.setStyleSheet("background-color: #50fa7b; color: #282a36;")
        activate_btn.clicked.connect(self.verify_key)
        layout.addWidget(activate_btn)
        
        layout.addStretch()
        
    def copy_hwid(self):
        cb = QApplication.clipboard()
        cb.setText(self.hwid)
        QMessageBox.information(self, "Disalin", "ID Mesin telah disalin ke clipboard.")
        
    def verify_key(self):
        key = self.key_input.text().strip()
        is_valid, status = LicenseManager.validate_license(key, self.hwid)
        
        if is_valid:
            LicenseManager.save_license(key)
            if status == 'mb_changed':
                QMessageBox.warning(self, "Peringatan Hardware", 
                    "Aktivasi berhasil, namun terdeteksi MOTHERBOARD telah berubah.\n"
                    "Jika Anda mengganti hardware lagi, lisensi bisa tidak valid.")
            elif status == 'cpu_changed':
                QMessageBox.warning(self, "Peringatan Hardware", 
                    "Aktivasi berhasil, namun terdeteksi PROCESSOR telah berubah.\n"
                    "Jika Anda mengganti hardware lagi, lisensi bisa tidak valid.")
            else:
                QMessageBox.information(self, "Sukses", "Aktivasi Berhasil! Terima kasih.")
            self.verified = True
            self.accept()
        else:
            if status == 'both_changed':
                QMessageBox.critical(self, "Hardware Berubah", 
                    "Motherboard DAN Processor terdeteksi berubah.\n\n"
                    "Lisensi tidak valid untuk hardware baru ini.\n"
                    "Silakan hubungi admin untuk aktivasi ulang.\n\n"
                    "WA: +62 817-0380-6655")
            else:
                QMessageBox.warning(self, "Gagal", "Kunci Aktivasi Salah. Silakan coba lagi.")

    def closeEvent(self, event):
        if not self.verified:
            # If closed without verification, reject dialog
            self.reject()
        else:
            event.accept()