package httpapi

import (
	"net/http"
	"strings"
	"time"
)

type playerStatusRequest struct {
	ScreenID              string `json:"screen_id"`
	Timestamp             string `json:"ts"`
	Status                string `json:"status"`
	ServerURL             string `json:"server_url"`
	MQTTBroker            string `json:"mqtt_broker"`
	HeartbeatEverySeconds int    `json:"heartbeat_every_seconds"`
	StartedAt             string `json:"started_at"`
	LastHeartbeatAt       string `json:"last_heartbeat_at"`
}

func handlePlayerStatus(w http.ResponseWriter, r *http.Request) {
	var request playerStatusRequest
	if err := decodeJSON(r, &request); err != nil {
		writeError(w, http.StatusBadRequest, "invalid_json", "ungueltiger JSON-Body", nil)
		return
	}

	if strings.TrimSpace(request.ScreenID) == "" {
		writeError(w, http.StatusBadRequest, "screen_id_required", "screen_id ist erforderlich", nil)
		return
	}

	if strings.TrimSpace(request.Timestamp) == "" {
		writeError(w, http.StatusBadRequest, "timestamp_required", "ts ist erforderlich", nil)
		return
	}

	if strings.TrimSpace(request.Status) == "" {
		writeError(w, http.StatusBadRequest, "status_required", "status ist erforderlich", nil)
		return
	}

	if err := validateOptionalRFC3339(request.Timestamp); err != nil {
		writeError(w, http.StatusBadRequest, "invalid_timestamp", "ts ist kein gueltiger RFC3339-Zeitstempel", nil)
		return
	}

	if err := validateOptionalRFC3339(request.StartedAt); err != nil {
		writeError(w, http.StatusBadRequest, "invalid_started_at", "started_at ist kein gueltiger RFC3339-Zeitstempel", nil)
		return
	}

	if err := validateOptionalRFC3339(request.LastHeartbeatAt); err != nil {
		writeError(w, http.StatusBadRequest, "invalid_last_heartbeat_at", "last_heartbeat_at ist kein gueltiger RFC3339-Zeitstempel", nil)
		return
	}

	writeJSON(w, http.StatusOK, map[string]string{
		"status": "accepted",
	})
}

func validateOptionalRFC3339(value string) error {
	if strings.TrimSpace(value) == "" {
		return nil
	}

	_, err := time.Parse(time.RFC3339, value)
	return err
}