{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cityresourcegraph.com/schemas/business.json",
  "title": "Business Entity",
  "description": "Legal/commercial entity representation",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique business identifier"
    },
    "name": {
      "type": "string",
      "minLength": 1,
      "maxLength": 255,
      "description": "Legal business name"
    },
    "legal_form": {
      "type": "string",
      "enum": [
        "LLC",
        "corporation",
        "partnership",
        "sole_proprietorship",
        "GmbH",
        "UG",
        "AG"
      ],
      "description": "Legal structure"
    },
    "primary_contact": {
      "type": "object",
      "properties": {
        "email": {
          "type": "string",
          "format": "email",
          "description": "Primary contact email"
        },
        "phone": {
          "type": "string",
          "pattern": "^\\+?[1-9]\\d{1,14}$",
          "description": "Primary contact phone (E.164 format)"
        }
      },
      "description": "Primary contact information"
    },
    "industrial_sector": {
      "type": "string",
      "pattern": "^\\d{2}(\\.\\d{1,2})?$",
      "description": "NACE classification code"
    },
    "company_size": {
      "type": "integer",
      "minimum": 1,
      "maximum": 100000,
      "description": "Number of employees"
    },
    "years_operation": {
      "type": "integer",
      "minimum": 0,
      "maximum": 500,
      "description": "Years in operation"
    },
    "supply_chain_role": {
      "type": "string",
      "enum": [
        "manufacturer",
        "supplier",
        "distributor",
        "consumer"
      ],
      "description": "Role in supply chain"
    },
    "certifications": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "ISO9001",
          "ISO14001",
          "HACCP",
          "EMAS",
          "ISO50001",
          "ISO45001"
        ]
      },
      "uniqueItems": true,
      "description": "Quality and environmental certifications"
    },
    "business_focus": {
      "type": "array",
      "items": {
        "type": "string",
        "enum": [
          "local",
          "regional",
          "national",
          "sustainability",
          "innovation",
          "cost_optimization"
        ]
      },
      "uniqueItems": true,
      "description": "Strategic business focus areas"
    },
    "readiness_maturity": {
      "type": "integer",
      "minimum": 1,
      "maximum": 5,
      "description": "Industrial symbiosis adoption readiness (1-5 scale)"
    },
    "strategic_vision": {
      "type": "string",
      "maxLength": 2000,
      "description": "Environmental/economic priorities and strategic vision"
    },
    "drivers_barriers": {
      "type": "string",
      "maxLength": 2000,
      "description": "Motivation for IS participation and barriers to adoption"
    },
    "operating_sites": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "Site IDs where this business operates"
    },
    "existing_symbiotic_relationships": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "Business IDs with existing symbiotic relationships"
    },
    "trust_network": {
      "type": "array",
      "items": {
        "type": "string",
        "format": "uuid"
      },
      "description": "Business IDs in pre-existing trust network"
    },
    "technical_expertise": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 255
      },
      "description": "Specialized processes, equipment, and technical capabilities"
    },
    "available_technology": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 255
      },
      "description": "Equipment, machinery, and technology capabilities available"
    },
    "management_systems": {
      "type": "array",
      "items": {
        "type": "string",
        "maxLength": 255
      },
      "description": "ERP, EMS, SCM, and other management systems in use"
    },
    "sells_products": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string",
            "maxLength": 255,
            "description": "Product name"
          },
          "category": {
            "type": "string",
            "maxLength": 100,
            "description": "Product category (packaging, chemicals, equipment, etc.)"
          },
          "unit_price": {
            "type": "number",
            "minimum": 0,
            "description": "Price per unit in €"
          },
          "moq": {
            "type": "integer",
            "minimum": 1,
            "description": "Minimum order quantity"
          },
          "certifications": {
            "type": "array",
            "items": {
              "type": "string",
              "maxLength": 100
            },
            "description": "Product certifications"
          }
        },
        "required": [
          "name",
          "category",
          "unit_price"
        ]
      },
      "description": "Products this business sells"
    },
    "offers_services": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "enum": [
              "maintenance",
              "consulting",
              "transport",
              "inspection"
            ],
            "description": "Type of service offered"
          },
          "domain": {
            "type": "string",
            "maxLength": 255,
            "description": "Service domain (compressors, HVAC, waste_management, etc.)"
          },
          "on_site": {
            "type": "boolean",
            "description": "Whether service is performed on-site"
          },
          "hourly_rate": {
            "type": "number",
            "minimum": 0,
            "description": "Hourly rate in €"
          },
          "service_area_km": {
            "type": "number",
            "minimum": 0,
            "description": "Service area radius in kilometers"
          },
          "certifications": {
            "type": "array",
            "items": {
              "type": "string",
              "maxLength": 100
            },
            "description": "Service provider certifications"
          }
        },
        "required": [
          "type",
          "domain",
          "hourly_rate",
          "service_area_km"
        ]
      },
      "description": "Services this business offers"
    },
    "needs_services": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "type": {
            "type": "string",
            "maxLength": 255,
            "description": "Type of service needed"
          },
          "urgency": {
            "type": "string",
            "enum": [
              "low",
              "medium",
              "high"
            ],
            "default": "medium",
            "description": "Urgency level of the service need"
          },
          "budget": {
            "type": "number",
            "minimum": 0,
            "description": "Available budget in €"
          },
          "preferred_providers": {
            "type": "array",
            "items": {
              "type": "string",
              "format": "uuid"
            },
            "description": "Preferred business IDs for this service"
          }
        },
        "required": [
          "type"
        ]
      },
      "description": "Services this business needs"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Record creation timestamp"
    },
    "updated_at": {
      "type": "string",
      "format": "date-time",
      "description": "Last update timestamp"
    }
  },
  "required": [
    "id",
    "name",
    "email"
  ],
  "additionalProperties": false
}