module openrpc

import json

// encode encodes an OpenRPC document struct into json string.
// eliminates undefined variable by calling prune on the initial encoding.
pub fn (doc OpenRPC) encode() !string {
	encoded := json.encode(doc)
	// raw_decode := json2.raw_decode(encoded)!
	// mut doc_map := raw_decode.as_map()
	// pruned_map := prune(doc_map)
	// return json2.encode_pretty[Any](pruned_map)
	return encoded
}

// encode encodes an OpenRPC document struct into json string.
// eliminates undefined variable by calling prune on the initial encoding.
pub fn (doc OpenRPC) encode_pretty() !string {
	encoded := json.encode_pretty(doc)
	// raw_decode := json2.raw_decode(encoded)!
	// mut doc_map := raw_decode.as_map()
	// pruned_map := prune(doc_map)
	// return json2.encode_pretty[Any](pruned_map)
	return encoded
}

// // prune recursively prunes a map of Any type, pruning map keys where the value is the default value of the variable.
// // this treats undefined values as null, which is ok for openrpc document encoding.
// pub fn prune(obj Any) Any {
// 	if obj is map[string]Any {
// 		mut pruned_map := map[string]Any{}

// 		for key, val in obj as map[string]Any {
// 			if key == '_type' {
// 				continue
// 			}
// 			pruned_val := prune(val)
// 			if pruned_val.str() != '' {
// 				pruned_map[key] = pruned_val
// 			} else if key == 'methods' || key == 'params' {
// 				pruned_map[key] = []Any{}
// 			}
// 		}

// 		if pruned_map.keys().len != 0 {
// 			return pruned_map
// 		}
// 	} else if obj is []Any {
// 		mut pruned_arr := []Any{}

// 		for val in obj as []Any {
// 			pruned_val := prune(val)
// 			if pruned_val.str() != '' {
// 				pruned_arr << pruned_val
// 			}
// 		}

// 		if pruned_arr.len != 0 {
// 			return pruned_arr
// 		}
// 	} else if obj is string {
// 		if obj != '' {
// 			return obj
// 		}
// 	}
// 	return ''
// }