// ============================================================================
// 043 — JSON API Responses
// ============================================================================
// Demonstrates returning structured JSON from API handlers.
//
// Run:   soma run 043_json_api.cell run
// Expect:
//   Product: {"id": 1, "name": "Widget", "price": 9.99, "in_stock": true}
//   JSON: {"id": 1, "name": "Widget", "price": 9.99, "in_stock": true}
//   Catalog: [{"id": 1, "name": "Widget"}, {"id": 2, "name": "Gadget"}, {"id": 3, "name": "Doohickey"}]

cell JsonAPI {

    on run() {
        // Maps are automatically serialized as JSON when returned
        let product = map("id", 1, "name", "Widget", "price", 9.99, "in_stock", true)
        print("Product: {product}")

        // to_json explicitly converts to a JSON string
        let json = to_json(product)
        print("JSON: {json}")

        // Lists of maps become JSON arrays
        let catalog = list(
            map("id", 1, "name", "Widget"),
            map("id", 2, "name", "Gadget"),
            map("id", 3, "name", "Doohickey")
        )
        print("Catalog: {catalog}")

        return "done"
    }
}