{
    "database": {
        "name": "customer360_retail_db",
        "collections": [
            {
                "name": "customers",
                "fields": {
                    "_id": "ObjectId",
                    "customer_id": "String",
                    "first_name": "String",
                    "last_name": "String",
                    "email": "String",
                    "phone": "String",
                    "date_of_birth": "Date",
                    "gender": "String",
                    "registration_date": "Date",
                    "customer_segment": "String",
                    "preferences": "Array",
                    "address": {
                        "street": "String",
                        "city": "String",
                        "state": "String",
                        "zipcode": "String",
                        "country": "String"
                    },
                    "opt_in_marketing": "Boolean",
                    "created_at": "Date",
                    "updated_at": "Date"
                },
                "indexes": [
                    {"customer_id": 1, "unique": true},
                    {"email": 1, "unique": true},
                    {"phone": 1},
                    {"customer_segment": 1}
                ]
            },
            {
                "name": "transactions",
                "fields": {
                    "_id": "ObjectId",
                    "transaction_id": "String",
                    "customer_id": "String",
                    "transaction_date": "Date",
                    "items_purchased": [
                        {
                            "product_id": "String",
                            "product_name": "String",
                            "category": "String",
                            "quantity": "Int",
                            "price": "Double"
                        }
                    ],
                    "payment_method": "String",
                    "total_amount": "Double",
                    "store_id": "String",
                    "channel": "String",
                    "created_at": "Date"
                },
                "indexes": [
                    {"transaction_id": 1, "unique": true},
                    {"customer_id": 1},
                    {"transaction_date": -1},
                    {"store_id": 1}
                ]
            },
            {
                "name": "products",
                "fields": {
                    "_id": "ObjectId",
                    "product_id": "String",
                    "name": "String",
                    "description": "String",
                    "category": "String",
                    "sub_category": "String",
                    "brand": "String",
                    "price": "Double",
                    "available": "Boolean",
                    "created_at": "Date",
                    "updated_at": "Date"
                },
                "indexes": [
                    {"product_id": 1, "unique": true},
                    {"category": 1},
                    {"brand": 1},
                    {"available": 1}
                ]
            },
            {
                "name": "web_activities",
                "fields": {
                    "_id": "ObjectId",
                    "activity_id": "String",
                    "customer_id": "String",
                    "session_id": "String",
                    "activity_type": "String",
                    "page_url": "String",
                    "referrer": "String",
                    "device": {
                        "device_type": "String",
                        "browser": "String",
                        "os": "String"
                    },
                    "activity_timestamp": "Date",
                    "metadata": "Object",
                    "created_at": "Date"
                },
                "indexes": [
                    {"activity_id": 1, "unique": true},
                    {"customer_id": 1},
                    {"session_id": 1},
                    {"activity_type": 1},
                    {"activity_timestamp": -1}
                ]
            },
            {
                "name": "marketing_campaigns",
                "fields": {
                    "_id": "ObjectId",
                    "campaign_id": "String",
                    "name": "String",
                    "description": "String",
                    "start_date": "Date",
                    "end_date": "Date",
                    "channels": "Array",
                    "segment_targets": "Array",
                    "status": "String",
                    "budget": "Double",
                    "spent": "Double",
                    "performance_metrics": "Object",
                    "created_at": "Date",
                    "updated_at": "Date"
                },
                "indexes": [
                    {"campaign_id": 1, "unique": true},
                    {"name": 1},
                    {"status": 1},
                    {"start_date": -1}
                ]
            },
            {
                "name": "support_interactions",
                "fields": {
                    "_id": "ObjectId",
                    "interaction_id": "String",
                    "customer_id": "String",
                    "date": "Date",
                    "channel": "String",
                    "support_agent": "String",
                    "reason": "String",
                    "resolution_status": "String",
                    "resolution_time_minutes": "Int",
                    "notes": "String",
                    "created_at": "Date"
                },
                "indexes": [
                    {"interaction_id": 1, "unique": true},
                    {"customer_id": 1},
                    {"date": -1},
                    {"resolution_status": 1}
                ]
            },
            {
                "name": "loyalty_program",
                "fields": {
                    "_id": "ObjectId",
                    "customer_id": "String",
                    "loyalty_number": "String",
                    "points": "Int",
                    "membership_tier": "String",
                    "enrolled_date": "Date",
                    "last_activity_date": "Date",
                    "rewards_redeemed": "Array",
                    "created_at": "Date",
                    "updated_at": "Date"
                },
                "indexes": [
                    {"customer_id": 1, "unique": true},
                    {"loyalty_number": 1, "unique": true},
                    {"membership_tier": 1}
                ]
            },
            {
                "name": "analytics_reports",
                "fields": {
                    "_id": "ObjectId",
                    "report_id": "String",
                    "generated_date": "Date",
                    "report_type": "String",
                    "time_period": {
                        "start_date": "Date",
                        "end_date": "Date"
                    },
                    "parameters": "Object",
                    "result": "Object",
                    "generated_by": "String",
                    "created_at": "Date"
                },
                "indexes": [
                    {"report_id": 1, "unique": true},
                    {"report_type": 1},
                    {"generated_date": -1}
                ]
            },
            {
                "name": "users",
                "fields": {
                    "_id": "ObjectId",
                    "user_id": "String",
                    "name": "String",
                    "email": "String",
                    "password_hash": "String",
                    "role": "String",
                    "permissions": "Array",
                    "created_at": "Date"
                },
                "indexes": [
                    {"user_id": 1, "unique": true},
                    {"email": 1, "unique": true},
                    {"role": 1}
                ]
            }
        ]
    }
}