package notify

import (
	"fmt"
	"bytes"
	"encoding/json"
	"log/slog"
	"net/http"
)


type NtfyNotifier struct {
	client *http.Client
}

func NewNtfyNotifier() NtfyNotifier {
	return NtfyNotifier{
		client: &http.Client{},
	}
}

func (n NtfyNotifier) SendNotification(camera string, online bool) {
	type ntfyJson struct {
		Topic string `json:"topic"`
		Title string `json:"title"`
		Message string `json:"message"`
		Priority int `json:"priority"`
		Click string `json:"click"`
		Icon string `json:"icon"`
	}

	var reqJson, jsonErr = json.Marshal(ntfyJson{
		Topic: "frigate_camera_uptime",
		Title: "Frigate",
		Message: createMessage(camera, online),
		Priority: 3,
		Click: fmt.Sprintf("https://frigate.homelab.net/cameras/%s", camera),
		Icon: "https://cdn.jsdelivr.net/gh/walkxcode/dashboard-icons/png/frigate.png",
	})
	if jsonErr != nil {
		slog.Error("Failed to construct JSON request body", jsonErr)
		return
	}

	var req, reqErr = http.NewRequest("POST", "https://ntfy.homelab.net", bytes.NewBuffer([]byte(reqJson)))
	if reqErr != nil {
		slog.Error("Failed to create HTTP request", reqErr)
	}
	req.Header.Set("Content-Type", "application/json")

	var resp, respErr = n.client.Do(req)
	if respErr != nil {
		slog.Error("Failed to send HTTP request", respErr)
	}
	if resp.StatusCode != 200 {
		slog.Error("Ntfy notification returned HTTP", resp.Status)
	}
}