/*
 *     Copyright 2020 The Dragonfly Authors
 *
 * Licensed 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 main

import (
	"bytes"
	"context"
	"io"
	"io/ioutil"

	"d7y.io/dragonfly/v2/pkg/util/rangeutils"

	"d7y.io/dragonfly/v2/pkg/source"
)

var data = "hello world"

var _ source.ResourceClient = (*client)(nil)

type client struct {
}

func (c *client) GetContentLength(ctx context.Context, url string, header source.RequestHeader, rang *rangeutils.Range) (int64, error) {
	return int64(len(data)), nil
}

func (c *client) IsSupportRange(ctx context.Context, url string, header source.RequestHeader) (bool, error) {
	return false, nil
}

func (c *client) IsExpired(ctx context.Context, url string, header source.RequestHeader, expireInfo map[string]string) (bool, error) {
	panic("implement me")
}

func (c *client) Download(ctx context.Context, url string, header source.RequestHeader, rang *rangeutils.Range) (io.ReadCloser, error) {
	return ioutil.NopCloser(bytes.NewBufferString(data)), nil
}

func (c *client) DownloadWithResponseHeader(ctx context.Context, url string, header source.RequestHeader, rang *rangeutils.Range) (io.ReadCloser, source.ResponseHeader, error) {
	return ioutil.NopCloser(bytes.NewBufferString(data)), map[string]string{}, nil
}

func (c *client) GetLastModifiedMillis(ctx context.Context, url string, header source.RequestHeader) (int64, error) {
	panic("implement me")
}

func DragonflyPluginInit(option map[string]string) (interface{}, map[string]string, error) {
	return &client{}, map[string]string{"type": "resource", "name": "dfs", "schema": "dfs"}, nil
}