KNOWLEDGE_BASE = {
    "spalling": [
        {
            "severity": "Critical",
            "description": "Severe concrete spalling with exposed reinforcement and section loss",
            "repair_method": ["Install temporary support", "Remove deteriorated concrete", "Clean and treat reinforcement", "Apply corrosion inhibitor", "Apply bonding agent", "High-strength repair mortar"],
            "estimated_cost": "Very High ($15,000+)",
            "timeframe": "3-4 weeks",
            "location": "Primary structural elements",
            "required_expertise": "Structural Engineer + Specialist Contractor",
            "immediate_action": "Evacuate area, install temporary support, prevent access",
            "prevention": "Regular inspections, waterproofing, chloride protection"
        },
        {
            "severity": "High",
            "description": "Surface spalling with visible reinforcement",
            "repair_method": ["Remove damaged concrete", "Treat reinforcement", "Apply repair mortar", "Surface treatment"],
            "estimated_cost": "High ($8,000-$15,000)",
            "timeframe": "2-3 weeks",
            "location": "Structural elements",
            "required_expertise": "Structural Engineer",
            "immediate_action": "Area isolation, temporary support assessment",
            "prevention": "Protective coatings, drainage improvement"
        }
    ],
    "reinforcement_corrosion": [
        {
            "severity": "Critical",
            "description": "Severe corrosion with >30% section loss",
            "repair_method": ["Structural support", "Remove concrete", "Replace reinforcement", "Corrosion protection", "Concrete repair"],
            "estimated_cost": "Critical ($20,000+)",
            "timeframe": "4-6 weeks",
            "location": "Load-bearing elements",
            "required_expertise": "Senior Structural Engineer",
            "immediate_action": "Immediate evacuation, emergency shoring",
            "prevention": "Waterproofing, cathodic protection"
        }
    ],
    "structural_crack": [
        {
            "severity": "High",
            "description": "Cracks >5mm in structural elements",
            "repair_method": ["Structural analysis", "Epoxy injection", "Carbon fiber reinforcement", "Crack monitoring"],
            "estimated_cost": "High ($10,000-$20,000)",
            "timeframe": "2-4 weeks",
            "location": "Primary structure",
            "required_expertise": "Structural Engineer",
            "immediate_action": "Install crack monitors, load restriction",
            "prevention": "Load management, joint maintenance"
        }
    ],
    "dampness": [
        {
            "severity": "Medium",
            "description": "Active water penetration with efflorescence",
            "repair_method": ["Water source identification", "Drainage improvement", "Waterproof membrane", "Ventilation"],
            "estimated_cost": "Medium ($5,000-$10,000)",
            "timeframe": "1-2 weeks",
            "location": "Various",
            "required_expertise": "Waterproofing Specialist",
            "immediate_action": "Dehumidification, efflorescence cleaning",
            "prevention": "Proper drainage, vapor barriers"
        }
    ],
    "no_damage": [
        {
            "severity": "Low",
            "description": "No significant structural issues",
            "repair_method": ["Regular inspection", "Preventive maintenance"],
            "estimated_cost": "Low ($500-$2,000)",
            "timeframe": "1-2 days",
            "location": "General",
            "required_expertise": "Building Inspector",
            "immediate_action": "Continue monitoring",
            "prevention": "Regular maintenance schedule"
        }
    ]
}

DAMAGE_TYPES = {
    0: {'name': 'spalling', 'risk': 'High', 'color': '#ff4d4d'},
    1: {'name': 'reinforcement_corrosion', 'risk': 'Critical', 'color': '#800000'},
    2: {'name': 'structural_crack', 'risk': 'High', 'color': '#ff6b6b'},
    3: {'name': 'dampness', 'risk': 'Medium', 'color': '#4dabf7'},
    4: {'name': 'no_damage', 'risk': 'Low', 'color': '#40c057'}
}