package conduit

import (
	"context"
	"encoding/json"
	"io"
	"net/http"
	"net/url"
)

type CreateConduitsRequest struct {
	// The number of shards to create for this conduit.
	ShardCount int `json:"shard_count"`
}

type CreateConduitsResponse struct {
	Data []ConduitData `json:"data"`
}

// Creates a new conduit.
//
// Requires an app access token.
func (c *Conduit) CreateConduits(ctx context.Context, body *CreateConduitsRequest) (*CreateConduitsResponse, error) {
	endpoint := c.baseUrl.ResolveReference(&url.URL{Path: "eventsub/conduits"})

	r, w := io.Pipe()

	go func() {
		if err := json.NewEncoder(w).Encode(body); err != nil {
			w.CloseWithError(err)
		} else {
			w.Close()
		}
	}()

	req, err := http.NewRequestWithContext(ctx, http.MethodPost, endpoint.String(), r)
	if err != nil {
		return nil, err
	}

	res, err := c.client.Do(req)
	if err != nil {
		return nil, err
	}
	defer res.Body.Close()

	var data CreateConduitsResponse
	if err := json.NewDecoder(res.Body).Decode(&data); err != nil {
		return nil, err
	}

	return &data, nil
}