{
  "name": "Workforce",
  "type": "object",
  "properties": {
    "workforce_number": {
      "type": "string",
      "description": "Worker Number format WF-#### (auto-generated)",
      "pattern": "^WF-[0-9]{4,6}$"
    },
    "vendor_id": {
      "type": "string",
      "description": "Vendor who manages this worker"
    },
    "vendor_name": {
      "type": "string",
      "description": "Vendor name"
    },
    "first_name": {
      "type": "string",
      "description": "Worker first name"
    },
    "last_name": {
      "type": "string",
      "description": "Worker last name"
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "Worker email"
    },
    "phone": {
      "type": "string",
      "description": "Worker phone"
    },
    "address": {
      "type": "string",
      "description": "Worker address"
    },
    "city": {
      "type": "string",
      "description": "City"
    },
    "state": {
      "type": "string",
      "description": "State"
    },
    "zip_code": {
      "type": "string",
      "description": "ZIP code"
    },
    "date_of_birth": {
      "type": "string",
      "format": "date",
      "description": "Date of birth"
    },
    "ssn_last_four": {
      "type": "string",
      "description": "Last 4 digits of SSN",
      "pattern": "^[0-9]{4}$"
    },
    "employment_type": {
      "type": "string",
      "enum": [
        "W2",
        "1099",
        "Temporary",
        "Contract"
      ],
      "description": "Employment classification"
    },
    "skills": {
      "type": "array",
      "description": "Worker skills",
      "items": {
        "type": "string"
      }
    },
    "roles_qualified": {
      "type": "array",
      "description": "Roles worker is qualified for",
      "items": {
        "type": "string"
      }
    },
    "certifications": {
      "type": "array",
      "description": "Certifications",
      "items": {
        "type": "object",
        "properties": {
          "cert_name": {
            "type": "string"
          },
          "cert_number": {
            "type": "string"
          },
          "issued_date": {
            "type": "string",
            "format": "date"
          },
          "expiry_date": {
            "type": "string",
            "format": "date"
          },
          "issuer": {
            "type": "string"
          },
          "document_url": {
            "type": "string"
          }
        }
      }
    },
    "background_check_status": {
      "type": "string",
      "enum": [
        "Pending",
        "Cleared",
        "Failed",
        "Expired"
      ],
      "description": "Background check status"
    },
    "background_check_date": {
      "type": "string",
      "format": "date",
      "description": "Background check completion date"
    },
    "drug_test_status": {
      "type": "string",
      "enum": [
        "Pending",
        "Passed",
        "Failed",
        "Expired"
      ],
      "description": "Drug test status"
    },
    "drug_test_date": {
      "type": "string",
      "format": "date",
      "description": "Drug test date"
    },
    "reliability_index": {
      "type": "number",
      "minimum": 0,
      "maximum": 100,
      "description": "Reliability score (0-100)"
    },
    "total_assignments": {
      "type": "number",
      "default": 0,
      "description": "Total assignments completed"
    },
    "cancelled_assignments": {
      "type": "number",
      "default": 0,
      "description": "Cancelled assignments"
    },
    "no_shows": {
      "type": "number",
      "default": 0,
      "description": "No-show count"
    },
    "average_rating": {
      "type": "number",
      "minimum": 0,
      "maximum": 5,
      "description": "Average performance rating"
    },
    "languages": {
      "type": "array",
      "description": "Languages spoken",
      "items": {
        "type": "string"
      }
    },
    "availability": {
      "type": "object",
      "description": "Worker availability",
      "properties": {
        "monday": {
          "type": "boolean"
        },
        "tuesday": {
          "type": "boolean"
        },
        "wednesday": {
          "type": "boolean"
        },
        "thursday": {
          "type": "boolean"
        },
        "friday": {
          "type": "boolean"
        },
        "saturday": {
          "type": "boolean"
        },
        "sunday": {
          "type": "boolean"
        },
        "shift_preferences": {
          "type": "array",
          "items": {
            "type": "string",
            "enum": [
              "Morning",
              "Day",
              "Evening",
              "Night",
              "Overnight"
            ]
          }
        }
      }
    },
    "is_active": {
      "type": "boolean",
      "default": true,
      "description": "Is worker active"
    },
    "hire_date": {
      "type": "string",
      "format": "date",
      "description": "Date worker was hired"
    },
    "termination_date": {
      "type": "string",
      "format": "date",
      "description": "Termination date if applicable"
    },
    "notes": {
      "type": "string",
      "description": "Internal notes"
    }
  },
  "required": [
    "vendor_id",
    "first_name",
    "last_name",
    "workforce_number"
  ]
}