//
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.
//

package cloudstack

import (
	"encoding/json"
	"net/url"
)

type APIDiscoveryServiceIface interface {
	ListApis(p *ListApisParams) (*ListApisResponse, error)
	NewListApisParams() *ListApisParams
}

type ListApisParams struct {
	p map[string]interface{}
}

func (p *ListApisParams) toURLValues() url.Values {
	u := url.Values{}
	if p.p == nil {
		return u
	}
	if v, found := p.p["name"]; found {
		u.Set("name", v.(string))
	}
	return u
}

func (p *ListApisParams) SetName(v string) {
	if p.p == nil {
		p.p = make(map[string]interface{})
	}
	p.p["name"] = v
}

func (p *ListApisParams) ResetName() {
	if p.p != nil && p.p["name"] != nil {
		delete(p.p, "name")
	}
}

func (p *ListApisParams) GetName() (string, bool) {
	if p.p == nil {
		p.p = make(map[string]interface{})
	}
	value, ok := p.p["name"].(string)
	return value, ok
}

// You should always use this function to get a new ListApisParams instance,
// as then you are sure you have configured all required params
func (s *APIDiscoveryService) NewListApisParams() *ListApisParams {
	p := &ListApisParams{}
	p.p = make(map[string]interface{})
	return p
}

// lists all available apis on the server, provided by the Api Discovery plugin
func (s *APIDiscoveryService) ListApis(p *ListApisParams) (*ListApisResponse, error) {
	resp, err := s.cs.newRequest("listApis", p.toURLValues())
	if err != nil {
		return nil, err
	}

	var r ListApisResponse
	if err := json.Unmarshal(resp, &r); err != nil {
		return nil, err
	}

	return &r, nil
}

type ListApisResponse struct {
	Count int    `json:"count"`
	Apis  []*Api `json:"api"`
}

type Api struct {
	Description string        `json:"description"`
	Isasync     bool          `json:"isasync"`
	JobID       string        `json:"jobid"`
	Jobstatus   int           `json:"jobstatus"`
	Name        string        `json:"name"`
	Params      []ApiParams   `json:"params"`
	Related     string        `json:"related"`
	Response    []ApiResponse `json:"response"`
	Since       string        `json:"since"`
	Type        string        `json:"type"`
}

type ApiResponse struct {
	Description string        `json:"description"`
	Name        string        `json:"name"`
	Response    []interface{} `json:"response"`
	Type        string        `json:"type"`
}

type ApiParams struct {
	Description string `json:"description"`
	Length      int    `json:"length"`
	Name        string `json:"name"`
	Related     string `json:"related"`
	Required    bool   `json:"required"`
	Since       string `json:"since"`
	Type        string `json:"type"`
}