package main

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

type Emojisp struct {
	Emojis Emojis `json:"emojis"`
}

type Emojis []Emoji

type Emoji struct {
	Shortcode string `json:"shortcode"`
	Name      string `json:"name"`
	Url       string `json:"url"`
	// StaticUrl       string `json:"static_url"`
	// VisibleInPicker bool   `json:"visible_in_picker"`
	Category string `json:"category"`
}

func NewEmojiList(domain string) (Emojis, error) {
	emojis := Emojisp{}

	bytes, err := fetchCustomEmojis(domain)
	if err != nil {
		return emojis.Emojis, err
	}

	// fmt.Printf("%s\n", bytes)
	if err := json.Unmarshal(bytes, &emojis.Emojis); err != nil {
		if err = json.Unmarshal(bytes, &emojis); err != nil {
			return emojis.Emojis, err
		}
	}

	return emojis.Emojis, nil
}

func fetchCustomEmojis(domain string) ([]byte, error) {
	u, err := url.Parse("https://example.com/api/v1/custom_emojis")
	if err != nil {
		return nil, err
	}
	u.Host = domain

	resp, err := http.Get(u.String())
	if resp.StatusCode != http.StatusOK {
		// Try Misskey API Endpoint
		u.Path = "/api/emojis"
		resp, err = http.Get(u.String())
	}
	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()

	return ioutil.ReadAll(resp.Body)
}