package elasticstream

import (
	"github.com/elastic/go-elasticsearch/v8"
)

type Client struct {
	es     *elasticsearch.Client
	config *Config
}

func NewClient(config *Config) (*Client, error) {
	client := &Client{
		config: config,
	}

	cfg := elasticsearch.Config{
		Addresses: []string{
			config.Host,
		},
	}

	es, err := elasticsearch.NewClient(cfg)
	if err != nil {
		return nil, err
	}

	client.es = es
	return client, nil
}

func (c *Client) Open() error {
	// create a buffer channel
	ch := make(chan Data, 1)

	for index, from := range c.config.Indexes {
		NewWorker(c.es, index, from, c.config.BatchSize, ch)
	}

	return nil
}

func (c *Client) Read() (Data, error) {
	return Data{}, nil
}

// close the client
func (c *Client) Teardown() error {
	return nil
}