// JSONライブラリの最小機能テスト
static box JsonMinimalTest {
    main() {
        print("🧪 JSON Minimal Test")

        // 基本的なJSONノードを手動作成
        local null_node = this.create_node("null", null)
        print("null node: " + null_node.stringify())

        local bool_node = this.create_node("bool", true)
        print("bool node: " + bool_node.stringify())

        local int_node = this.create_node("int", 42)
        print("int node: " + int_node.stringify())

        local str_node = this.create_node("string", "hello")
        print("string node: " + str_node.stringify())

        print("✅ Minimal test complete")
        return 0
    }

    // シンプルなJSONノード作成
    create_node(kind, value) {
        local node = new MinimalJsonNode()
        node.set_kind(kind)
        node.set_value(value)
        return node
    }
}

// 最小限のJSONノード
box MinimalJsonNode {
    kind: StringBox
    value: Box

    birth() {
        me.kind = "null"
        me.value = null
    }

    set_kind(k) {
        me.kind = k
    }

    set_value(v) {
        me.value = v
    }

    get_kind() {
        return me.kind
    }

    stringify() {
        if me.kind == "null" {
            return "null"
        } else {
            if me.kind == "bool" {
                if me.value {
                    return "true"
                } else {
                    return "false"
                }
            } else {
                if me.kind == "int" {
                    return "" + me.value
                } else {
                    if me.kind == "string" {
                        return "\"" + me.value + "\""
                    } else {
                        return "null"
                    }
                }
            }
        }
    }
}