dudong-v2/ui/dialogs/about_dialog.py

"""
About Dialog

Displays information about the DuDONG application, including:
- Project description
- Version information
- Development team
- Partners and acknowledgments
- Partner logos
"""

from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel, 
                              QPushButton, QScrollArea, QWidget)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QFont, QPixmap

from resources.styles import STANDARD_BUTTON_STYLE
from utils.config import PROJECT_ROOT


class AboutDialog(QDialog):
    """
    About dialog window showing project information.
    
    Displays:
    - Application name and version
    - Project description
    - Development team information
    - Partner organizations
    - Acknowledgments
    """
    
    def __init__(self, parent=None):
        """
        Initialize the about dialog.
        
        Args:
            parent: Parent widget
        """
        super().__init__(parent)
        self.setWindowTitle("About DuDONG")
        self.setMinimumSize(600, 700)
        self.setMaximumSize(700, 800)
        self.init_ui()
    
    def init_ui(self):
        """Initialize the UI components."""
        layout = QVBoxLayout()
        
        # Create scroll area for content
        scroll = QScrollArea()
        scroll.setWidgetResizable(True)
        scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        
        # Content widget
        content_widget = QWidget()
        content_layout = QVBoxLayout(content_widget)
        content_layout.setSpacing(12)
        
        # DuDONG Logo (moved to top, larger size)
        logo_label = QLabel()
        logo_path = PROJECT_ROOT / "assets" / "logos" / "dudong_logo.png"
        try:
            if logo_path.exists():
                pixmap = QPixmap(str(logo_path))
                if not pixmap.isNull():
                    scaled_pixmap = pixmap.scaledToHeight(300, Qt.SmoothTransformation)
                    logo_label.setPixmap(scaled_pixmap)
                    logo_label.setAlignment(Qt.AlignCenter)
                    content_layout.addWidget(logo_label)
        except Exception as e:
            print(f"Warning: Could not load DuDONG logo: {e}")
        
        # Application Title
        title = QLabel("DuDONG")
        title.setFont(QFont("Arial", 24, QFont.Bold))
        title.setAlignment(Qt.AlignCenter)
        title.setStyleSheet("color: #2c3e50; margin: 8px;")
        content_layout.addWidget(title)
        
        # Subtitle
        subtitle = QLabel("Durian Desktop-Oriented Non-Invasive Grading System")
        subtitle.setFont(QFont("Arial", 12))
        subtitle.setAlignment(Qt.AlignCenter)
        subtitle.setStyleSheet("color: #7f8c8d; margin-bottom: 10px;")
        subtitle.setWordWrap(True)
        content_layout.addWidget(subtitle)
        
        # Version
        version = QLabel("Version 2.1.0")
        version.setFont(QFont("Arial", 10))
        version.setAlignment(Qt.AlignCenter)
        version.setStyleSheet("color: #95a5a6; margin-bottom: 20px;")
        content_layout.addWidget(version)
        
        # Description
        description = QLabel(
            "DuDONG is a robust desktop application developed by the AIDurian project "
            "using Python, designed for advanced assessment of durian ripeness and quality. "
            "Utilizing advanced AI models and multiple sensor inputs, the software delivers "
            "precise predictions of durian fruit ripeness, quality assessment, and maturity classification. "
            "The application supports both audio analysis and multispectral imaging for comprehensive "
            "durian evaluation. Through multi-model analysis including defect detection, shape assessment, "
            "and locule counting, DuDONG provides detailed insights into durian quality characteristics. "
            "All analysis results are persisted in a comprehensive database for historical tracking "
            "and performance monitoring."
        )
        description.setWordWrap(True)
        description.setFont(QFont("Arial", 10))
        description.setStyleSheet("color: #2c3e50; padding: 10px; line-height: 1.5;")
        content_layout.addWidget(description)
        
        # Features Section
        features_title = QLabel("Key Features")
        features_title.setFont(QFont("Arial", 14, QFont.Bold))
        features_title.setStyleSheet("color: #2c3e50; margin-top: 20px;")
        content_layout.addWidget(features_title)
        
        features_text = QLabel(
            "• Durian Ripeness Classification (Audio Analysis & Multispectral Imaging)\n"
            "• Quality Assessment (Defect Detection, Shape Analysis)\n"
            "• Locule Counting with Segmentation\n"
            "• Maturity Classification (Multispectral Analysis)\n"
            "• Real-time Processing with GPU Acceleration\n"
            "• Comprehensive Multi-Model Analysis Reports\n"
            "• Manual Input Mode (Multi-Source File Processing)\n"
            "• Database Persistence (Analysis History Tracking)"
        )
        features_text.setWordWrap(True)
        features_text.setFont(QFont("Arial", 10))
        features_text.setStyleSheet("color: #2c3e50; padding: 10px;")
        content_layout.addWidget(features_text)
        
        # Development Team
        team_title = QLabel("Development Team")
        team_title.setFont(QFont("Arial", 14, QFont.Bold))
        team_title.setStyleSheet("color: #2c3e50; margin-top: 20px;")
        content_layout.addWidget(team_title)
        
        team_text = QLabel(
            "Developed by researchers at the Department of Math, Physics, and Computer Science "
            "in UP Mindanao, specifically, the AIDurian Project, under the Department of "
            "Science and Technology's (DOST) i-CRADLE program.\n\n"
            "The project aims to bridge the gap between manual practices of durian farming "
            "and introduce it to the various technological advancements available today."
        )
        team_text.setWordWrap(True)
        team_text.setFont(QFont("Arial", 10))
        team_text.setStyleSheet("color: #2c3e50; padding: 10px;")
        content_layout.addWidget(team_text)
        
        # Institutions
        institutions_title = QLabel("Supported By")
        institutions_title.setFont(QFont("Arial", 14, QFont.Bold))
        institutions_title.setStyleSheet("color: #2c3e50; margin-top: 20px;")
        content_layout.addWidget(institutions_title)
        
        institutions_text = QLabel(
            "• University of the Philippines Mindanao\n"
            "• Department of Science and Technology (DOST)\n"
            "• DOST-PCAARRD i-CRADLE Program"
        )
        institutions_text.setWordWrap(True)
        institutions_text.setFont(QFont("Arial", 10))
        institutions_text.setStyleSheet("color: #2c3e50; padding: 10px;")
        content_layout.addWidget(institutions_text)
        
        # Institution logos
        inst_logos_layout = QHBoxLayout()
        inst_logos_layout.setSpacing(15)
        inst_logos_layout.setContentsMargins(10, 10, 10, 10)
        
        institution_data = [
            ("UPMin.png", "UP Mindanao"),
            ("dost.png", "DOST"),
            ("DOST-PCAARRD.png", "DOST-PCAARRD"),
        ]
        
        for image_file, inst_name in institution_data:
            image_path = PROJECT_ROOT / "assets" / "logos" / image_file
            inst_logo_container = QVBoxLayout()
            inst_logo_label = QLabel()
            
            try:
                if image_path.exists():
                    pixmap = QPixmap(str(image_path))
                    if not pixmap.isNull():
                        # Scale to 50px height, maintain aspect ratio
                        scaled_pixmap = pixmap.scaledToHeight(50, Qt.SmoothTransformation)
                        inst_logo_label.setPixmap(scaled_pixmap)
                        inst_logo_label.setAlignment(Qt.AlignCenter)
                    else:
                        inst_logo_label.setText(inst_name)
                        inst_logo_label.setFont(QFont("Arial", 8))
                        inst_logo_label.setAlignment(Qt.AlignCenter)
                        inst_logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
                else:
                    inst_logo_label.setText(inst_name)
                    inst_logo_label.setFont(QFont("Arial", 8))
                    inst_logo_label.setAlignment(Qt.AlignCenter)
                    inst_logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
            except Exception as e:
                print(f"Warning: Could not load institution logo {image_file}: {e}")
                inst_logo_label.setText(inst_name)
                inst_logo_label.setFont(QFont("Arial", 8))
                inst_logo_label.setAlignment(Qt.AlignCenter)
                inst_logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
            
            inst_logo_container.addWidget(inst_logo_label)
            inst_logos_layout.addLayout(inst_logo_container)
        
        content_layout.addLayout(inst_logos_layout)
        
        # Partners
        partners_title = QLabel("Industry Partners")
        partners_title.setFont(QFont("Arial", 14, QFont.Bold))
        partners_title.setStyleSheet("color: #2c3e50; margin-top: 20px;")
        content_layout.addWidget(partners_title)
        
        partners_text = QLabel(
            "Special thanks to AIDurian's partners:\n"
            "• Belviz Farms\n"
            "• D'Farmers Market\n"
            "• EngSeng Food Products\n"
            "• Rosario's Delicacies\n"
            "• VJT Enterprises"
        )
        partners_text.setWordWrap(True)
        partners_text.setFont(QFont("Arial", 10))
        partners_text.setStyleSheet("color: #2c3e50; padding: 10px;")
        content_layout.addWidget(partners_text)
        
        # Partner logos
        logos_layout = QHBoxLayout()
        logos_layout.setSpacing(15)
        logos_layout.setContentsMargins(10, 10, 10, 10)
        
        partner_data = [
            ("Belviz-logo-1.png", "Belviz Farms"),
            ("logo_final.png", "D'Farmers Market"),
            ("eng-seng.png", "EngSeng Food Products"),
            ("Rosario-Background-Removed.png", "Rosario's Delicacies"),
            ("VJT-Enterprise.jpeg", "VJT Enterprises"),
        ]
        
        for image_file, partner_name in partner_data:
            image_path = PROJECT_ROOT / "assets" / "logos" / image_file
            logo_container = QVBoxLayout()
            logo_label = QLabel()
            
            try:
                if image_path.exists():
                    pixmap = QPixmap(str(image_path))
                    if not pixmap.isNull():
                        # Scale to 50px height, maintain aspect ratio
                        scaled_pixmap = pixmap.scaledToHeight(50, Qt.SmoothTransformation)
                        logo_label.setPixmap(scaled_pixmap)
                        logo_label.setAlignment(Qt.AlignCenter)
                    else:
                        logo_label.setText(partner_name)
                        logo_label.setFont(QFont("Arial", 8))
                        logo_label.setAlignment(Qt.AlignCenter)
                        logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
                else:
                    logo_label.setText(partner_name)
                    logo_label.setFont(QFont("Arial", 8))
                    logo_label.setAlignment(Qt.AlignCenter)
                    logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
            except Exception as e:
                print(f"Warning: Could not load partner logo {image_file}: {e}")
                logo_label.setText(partner_name)
                logo_label.setFont(QFont("Arial", 8))
                logo_label.setAlignment(Qt.AlignCenter)
                logo_label.setStyleSheet("color: #95a5a6; padding: 5px;")
            
            logo_container.addWidget(logo_label)
            logos_layout.addLayout(logo_container)
        
        content_layout.addLayout(logos_layout)
        
        # Copyright
        copyright_text = QLabel("© 2024 AIDurian Project. All rights reserved.")
        copyright_text.setAlignment(Qt.AlignCenter)
        copyright_text.setFont(QFont("Arial", 9))
        copyright_text.setStyleSheet("color: #95a5a6; margin-top: 30px;")
        content_layout.addWidget(copyright_text)
        
        # Add stretch to push content to top
        content_layout.addStretch()
        
        # Set content widget to scroll area
        scroll.setWidget(content_widget)
        layout.addWidget(scroll)
        
        # Close button
        close_btn = QPushButton("Close")
        close_btn.setStyleSheet(STANDARD_BUTTON_STYLE)
        close_btn.clicked.connect(self.accept)
        layout.addWidget(close_btn, alignment=Qt.AlignRight)
        
        self.setLayout(layout)