// Copyright (C) 2014-2018 Goodrain Co., Ltd.
// RAINBOND, Application Management Platform

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Rainbond,
// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
// must be obtained first.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.

package region

import (
	"fmt"

	"github.com/pquerna/ffjson/ffjson"

	"github.com/Sirupsen/logrus"
	api_model "github.com/goodrain/rainbond/api/model"
)

//DefineSources DefineSources
func (t *tenant) DefineSources(ss *api_model.SourceSpec) DefineSourcesInterface {
	return &DefineSources{
		tenant: t,
		Model: Body{
			SourceSpec: ss,
		},
	}
}

//DefineSources DefineSources
type DefineSources struct {
	tenant *tenant
	Model  Body
}

//Body Body
type Body struct {
	SourceSpec *api_model.SourceSpec `json:"source_spec"`
}

//DefineSourcesInterface DefineSourcesInterface
type DefineSourcesInterface interface {
	GetSource(sourceAlias string) ([]byte, error)
	PostSource(sourceAlias string) error
	PutSource(SourcesAlias string) error
	DeleteSource(sourceAlias string) error
}

//GetSource GetSource
func (d *DefineSources) GetSource(sourceAlias string) ([]byte, error) {
	resp, status, err := request(
		fmt.Sprintf("/v2/tenants/%s/sources/%s/%s",
			d.tenant.tenantID, d.Model.SourceSpec.Alias, d.Model.SourceSpec.SourceBody.EnvName),
		"GET",
		nil,
	)
	if err != nil {
		logrus.Errorf("get define source %s error, %v", d.Model.SourceSpec.SourceBody.EnvName, err)
		return nil, err
	}
	if status > 400 {
		if status == 404 {
			return nil, fmt.Errorf("source %s is not exist", d.Model.SourceSpec.SourceBody.EnvName)
		}
		return nil, fmt.Errorf("get define source %s failed", d.Model.SourceSpec.SourceBody.EnvName)
	}
	//valJ, err := simplejson.NewJson(resp)
	return resp, nil
}

//PostSource PostSource
func (d *DefineSources) PostSource(sourceAlias string) error {
	data, err := ffjson.Marshal(d.Model)
	if err != nil {
		return err
	}
	_, status, err := request(
		fmt.Sprintf("/v2/tenants/%s/sources/%s",
			d.tenant.tenantID, d.Model.SourceSpec.Alias),
		"POST",
		data,
	)
	if err != nil {
		logrus.Errorf("create define source error, %v", err)
		return err
	}
	if status > 400 {
		logrus.Errorf("create define source error")
		return fmt.Errorf("cretae define source failed")
	}
	return nil
}

//PutSource PutSource
func (d *DefineSources) PutSource(sourceAlias string) error {
	data, err := ffjson.Marshal(d.Model)
	if err != nil {
		return err
	}
	_, status, err := request(
		fmt.Sprintf("/v2/tenants/%s/sources/%s/%s",
			d.tenant.tenantID, d.Model.SourceSpec.Alias, d.Model.SourceSpec.SourceBody.EnvName),
		"PUT",
		data,
	)
	if err != nil {
		logrus.Errorf("update define source error, %v", err)
		return err
	}
	if status > 400 {
		logrus.Errorf("update define source error")
		return fmt.Errorf("update define source failed")
	}
	return nil
}

//DeleteSource DeleteSource
func (d *DefineSources) DeleteSource(sourceAlias string) error {
	_, status, err := request(
		fmt.Sprintf("/v2/tenants/%s/sources/%s/%s",
			d.tenant.tenantID, d.Model.SourceSpec.Alias, d.Model.SourceSpec.SourceBody.EnvName),
		"DELETE",
		nil,
	)
	if err != nil {
		logrus.Errorf("delete define source error, %v", err)
		return err
	}
	if status > 400 {
		logrus.Errorf("delete define source %s error", d.Model.SourceSpec.SourceBody.EnvName)
	}
	return nil
}