{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "organization_id": "a8315ef3-dd50-43f8-b7ce-d839e68d51fa",
  "product_name": "Office Supplies",
  "description": "Updated order with additional items",
  "sector": "Manufacturing",
  "quantity": 2000.00,
  "unit_id": "EUR",
  "purchase_date": "2024-03-15",
  "purchase_type": "spend_based",
  "expense_type": "opex",
  "status": "active",
  "recycled": 0.5,
  "supplier_id": "supplier-123",
  "custom_emission_factor_id": null,
  "file_id": "660e8400-e29b-41d4-a716-446655440000",
  "file_name": "invoice_q1_2024.pdf",
  "file_url": "https://storage.dcycle.io/...",
  "co2e": 163.7,
  "frequency": "once",
  "exchange_rate_to_eur": 1.0,
  "exchange_rate_date": "2024-03-15",
  "custom_emission_group": null,
  "last_purchase_timestamp": null,
  "supplier": {
    "id": "supplier-123",
    "business_name": "Office Depot",
    "country": "ES",
    "enabled": true
  },
  "unit": { "id": "unit-uuid", "name": "EUR" },
  "uploaded_by": null,
  "uploaded_by_user": null,
  "created_at": "2024-03-15T10:30:00Z",
  "updated_at": "2024-03-20T14:45:00Z"
}

{
  "detail": "Invalid API key",
  "code": "INVALID_API_KEY"
}

{
  "detail": "Purchase not found",
  "code": "PURCHASE_NOT_FOUND"
}

{
  "detail": [
    {
      "loc": ["body", "recycled"],
      "msg": "ensure this value is less than or equal to 1",
      "type": "value_error.number.not_le"
    }
  ]
}

def update_purchase_quantity(purchase_id, new_quantity):
    """Update purchase quantity and recalculate emissions"""
    response = requests.patch(
        f"https://api.dcycle.io/v1/purchases/{purchase_id}",
        headers=headers,
        json={"quantity": new_quantity}
    )
    purchase = response.json()
    print(f"New quantity: {purchase['quantity']} {purchase['unit_id']}")
    print(f"New CO2e: {purchase['co2e']} kg")
    return purchase

# Update purchase amount
purchase = update_purchase_quantity(
    "550e8400-e29b-41d4-a716-446655440000",
    3500.00
)

def switch_to_supplier_specific(purchase_id, custom_factor_id):
    """Change purchase to use supplier-specific emission factor"""
    response = requests.patch(
        f"https://api.dcycle.io/v1/purchases/{purchase_id}",
        headers=headers,
        json={
            "purchase_type": "supplier_specific",
            "custom_emission_factor_id": custom_factor_id
        }
    )
    return response.json()

# Switch to supplier-specific calculation
purchase = switch_to_supplier_specific(
    "550e8400-e29b-41d4-a716-446655440000",
    "770e8400-e29b-41d4-a716-446655440000"
)
print(f"New CO2e with supplier factor: {purchase['co2e']} kg")

def update_recycled_percentage(purchase_id, recycled_pct):
    """Update recycled content percentage (0 to 1)"""
    response = requests.patch(
        f"https://api.dcycle.io/v1/purchases/{purchase_id}",
        headers=headers,
        json={"recycled": recycled_pct}
    )
    return response.json()

# Set 30% recycled content
purchase = update_recycled_percentage(
    "550e8400-e29b-41d4-a716-446655440000",
    0.3
)
print(f"CO2e with recycled content: {purchase['co2e']} kg")

def deactivate_purchase(purchase_id):
    """Mark purchase as inactive"""
    response = requests.patch(
        f"https://api.dcycle.io/v1/purchases/{purchase_id}",
        headers=headers,
        json={"status": "inactive"}
    )
    return response.json()

# Deactivate purchase
purchase = deactivate_purchase("550e8400-e29b-41d4-a716-446655440000")
print(f"{purchase['product_name']} is now {purchase['status']}")

def link_document(purchase_id, file_id, file_name, file_url):
    """Link a document to a purchase"""
    response = requests.patch(
        f"https://api.dcycle.io/v1/purchases/{purchase_id}",
        headers=headers,
        json={
            "file_id": file_id,
            "file_name": file_name,
            "file_url": file_url
        }
    )
    return response.json()

# Link invoice
purchase = link_document(
    "550e8400-e29b-41d4-a716-446655440000",
    "660e8400-e29b-41d4-a716-446655440000",
    "invoice_updated.pdf",
    "https://storage.dcycle.io/..."
)
print(f"Linked document: {purchase['file_name']}")

def bulk_update_status(purchase_ids, new_status):
    """Update status for multiple purchases"""
    results = {"success": [], "failed": []}

    for purchase_id in purchase_ids:
        try:
            response = requests.patch(
                f"https://api.dcycle.io/v1/purchases/{purchase_id}",
                headers=headers,
                json={"status": new_status}
            )
            if response.status_code == 200:
                results["success"].append(purchase_id)
            else:
                results["failed"].append({"id": purchase_id, "error": response.text})
        except Exception as e:
            results["failed"].append({"id": purchase_id, "error": str(e)})

    return results

# Mark purchases as reviewed
purchase_ids = [
    "550e8400-e29b-41d4-a716-446655440000",
    "550e8400-e29b-41d4-a716-446655440001"
]

results = bulk_update_status(purchase_ids, "active")
print(f"Updated: {len(results['success'])}")
print(f"Failed: {len(results['failed'])}")