package ccls

import (
	"context"
	"encoding/json"
	"fmt"
	"net/http"
	"net/url"

	"github.com/google/go-querystring/query"
	"go.fifitido.net/twitch/api/types"
)

type GetContentClassificationLabelsParams struct {
	// Locale for the Content Classification Labels.
	// You may specify a maximum of 1 locale.
	// Default: “en-US”
	Locale *types.Locale `url:"locale,omitempty"`
}

type GetContentClassificationLabelsResponse struct {
	// A list that contains information about the available content classification labels.
	Data []ContentClassificationLabelData `json:"data"`
}

type ContentClassificationLabelData struct {
	// Unique identifier for the CCL.
	ID ContentClassificationLabel `json:"id"`

	// Localized description of the CCL.
	Description string `json:"description"`

	// Localized name of the CCL.
	Name string `json:"name"`
}

// Gets information about Twitch content classification labels.
//
// Requires an app access token or user access token.
func (c *CCLS) GetContentClassificationLabels(ctx context.Context, params GetContentClassificationLabelsParams) (*GetContentClassificationLabelsResponse, error) {
	v, _ := query.Values(params)
	endpoint := c.baseUrl.ResolveReference(&url.URL{Path: "content_classification_labels", RawQuery: v.Encode()})

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

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

	statusOK := res.StatusCode >= 200 && res.StatusCode < 300
	if !statusOK {
		return nil, fmt.Errorf("failed to get content classification labels (%d)", res.StatusCode)
	}

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

	return &data, nil
}