package teams

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

	"go.fifitido.net/twitch/api/endpoint"
)

type GetChannelTeamsResponse struct {
	// The list of teams that the broadcaster is a member of.
	// Returns an empty array if the broadcaster is not a member of a team.
	Teams []ChannelTeam `json:"teams"`
}

type ChannelTeam struct {
	// The ID that identifies the broadcaster.
	BroadcasterID string `json:"broadcaster_id"`

	// The broadcaster’s login name.
	BroadcasterLogin string `json:"broadcaster_login"`

	// The broadcaster’s display name.
	BroadcasterName string `json:"broadcaster_name"`

	// A URL to the team’s background image.
	BackgroundImageURL string `json:"background_image_url"`

	// A URL to the team’s banner.
	Banner string `json:"banner"`

	// The UTC date and time (in RFC3339 format) of when the team was created.
	CreatedAt time.Time `json:"created_at"`

	// The UTC date and time (in RFC3339 format) of the last time the team was updated.
	UpdatedAt time.Time `json:"updated_at"`

	// The team’s description. The description may contain formatting such as Markdown, HTML, newline (\n) characters, etc.
	Info string `json:"info"`

	// A URL to a thumbnail image of the team’s logo.
	ThumbnailURL string `json:"thumbnail_url"`

	// The team’s name.
	TeamName string `json:"team_name"`

	// The team’s display name.
	TeamDisplayName string `json:"team_display_name"`

	// An ID that identifies the team.
	ID string `json:"id"`
}

// Gets the list of Twitch teams that the broadcaster is a member of.
//
// Requires an app access token or user access token.
func (t *Teams) GetChannelTeams(ctx context.Context, broadcasterID string) (*GetChannelTeamsResponse, error) {
	v := url.Values{"broadcaster_id": {broadcasterID}}

	req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint.Make(t.baseUrl, "teams/channel", v), nil)
	if err != nil {
		return nil, err
	}

	res, err := t.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 channel teams (%d)", res.StatusCode)
	}

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

	return &data, nil
}