{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cityresourcegraph.com/schemas/site.json",
  "title": "Site Entity",
  "description": "Physical location/building representation",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique site identifier"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 255,
      "description": "Site name (e.g., 'Main Factory', 'Warehouse A')"
    },
    "address": {
      "type": "string",
      "maxLength": 1000,
      "description": "Full street address"
    },
    "latitude": {
      "type": "number",
      "minimum": -90,
      "maximum": 90,
      "description": "WGS84 latitude coordinate"
    },
    "longitude": {
      "type": "number",
      "minimum": -180,
      "maximum": 180,
      "description": "WGS84 longitude coordinate"
    },
    "site_type": {
      "type": "string",
      "enum": ["industrial", "office", "warehouse", "retail", "mixed"],
      "description": "Primary site usage type"
    },
    "floor_area_m2": {
      "type": "number",
      "minimum": 1,
      "maximum": 1000000,
      "description": "Total floor area in square meters"
    },
    "ownership": {
      "type": "string",
      "enum": ["owned", "leased", "shared"],
      "description": "Ownership status"
    },
    "owner_business_id": {
      "type": "string",
      "format": "uuid",
      "description": "Business that owns this site"
    },
    "operating_businesses": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "Businesses that operate at this site (for multi-tenant buildings)"
    },
    "available_utilities": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": ["electricity", "gas", "water", "wastewater", "heating", "cooling"]
      },
      "uniqueItems": true,
      "description": "Available utility connections"
    },
    "parking_spaces": {
      "type": "integer",
      "minimum": 0,
      "maximum": 10000,
      "description": "Number of parking spaces"
    },
    "loading_docks": {
      "type": "integer",
      "minimum": 0,
      "maximum": 1000,
      "description": "Number of loading docks"
    },
    "crane_capacity_tonnes": {
      "type": "number",
      "minimum": 0,
      "maximum": 1000,
      "description": "Maximum crane capacity in tonnes"
    },
    "energy_rating": {
      "type": "string",
      "maxLength": 100,
      "description": "Energy certification (LEED, BREEAM, etc.)"
    },
    "waste_management": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 255
      },
      "description": "Available waste management facilities"
    },
    "environmental_impact": {
      "type": "string",
      "maxLength": 2000,
      "description": "Environmental impact assessment summary"
    },
    "created_at": {
      "type": "string",
      "format": "date-time"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time"
    }
  },
  "required": ["id", "name", "latitude", "longitude"],
  "additionalProperties": false
}