// webhook: execute a Discord webhook
// Copyright (c) 2026 Jeremy Baxter.  All rights reserved.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
// IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

package webhook

import (
	"errors"
	"strings"

	"encoding/json"
	"net/http"
)

var baseURL = "https://discord.com/api/webhooks/"

type Embed struct {
	Title string `json:"title"`
	Text string `json:"description"`
	Type string `json:"type"`
}

type WebhookRequest struct {
	Name string `json:"username"`
	Embeds [1]Embed `json:"embeds"`
}

func Execute(suffix, username, title, text string) (err error) {
	embed := Embed{title, text, "rich"}
	w := WebhookRequest{username, [1]Embed{embed}}

	body, err := json.Marshal(w)
	if err != nil {
		return
	}

	resp, err := http.Post(baseURL + suffix, "application/json",
		strings.NewReader(string(body)))

	if err != nil {
		return
	}

	if resp.StatusCode < 200 || resp.StatusCode > 299 {
		err = errors.New(resp.Status)
	}

	return
}