package accountNotificationHandler

import (
	"net/http"

	templateHelpers "synlotto-website/internal/helpers/template"

	"synlotto-website/internal/logging"
	"synlotto-website/internal/models"
	"synlotto-website/internal/platform/bootstrap"

	"github.com/gin-gonic/gin"
	"github.com/justinas/nosurf"
)

// ToDo: functional also in messages needs to come out
func mustUserID(c *gin.Context) int64 {
	// Pull from your auth middleware/session. Panic-unsafe alternative:
	if v, ok := c.Get("userID"); ok {
		if id, ok2 := v.(int64); ok2 {
			return id
		}
	}
	// Fallback for stubs:
	return 1
}

// ToDo: functional also in messages needs to come out
func atoi64(s string) (int64, error) {
	// small helper to keep imports focused
	// replace with strconv.ParseInt in real code
	var n int64
	for _, ch := range []byte(s) {
		if ch < '0' || ch > '9' {
			return 0, &strconvNumErr{}
		}
		n = n*10 + int64(ch-'0')
	}
	return n, nil
}

type strconvNumErr struct{}

func (e *strconvNumErr) Error() string { return "invalid number" }

// GET /account/notifications/:id
// Renders: web/templates/account/notifications/read.html
func (h *AccountNotificationHandlers) List(c *gin.Context) {
	app := c.MustGet("app").(*bootstrap.App)
	sm := app.SessionManager

	userID := mustUserID(c)
	notes, err := h.Svc.List(userID) // or ListAll/ListUnread – use your method name
	if err != nil {
		logging.Info("❌ list notifications error: %v", err)
		c.String(http.StatusInternalServerError, "Failed to load notifications")
		return
	}

	ctx := templateHelpers.TemplateContext(c.Writer, c.Request, models.TemplateData{})
	if f := sm.PopString(c.Request.Context(), "flash"); f != "" {
		ctx["Flash"] = f
	}
	ctx["CSRFToken"] = nosurf.Token(c.Request)
	ctx["Title"] = "Notifications"
	ctx["Notifications"] = notes

	tmpl := templateHelpers.LoadTemplateFiles("layout.html", "web/templates/account/notifications/index.html")

	c.Status(http.StatusOK)
	if err := tmpl.ExecuteTemplate(c.Writer, "layout", ctx); err != nil {
		logging.Info("❌ Template render error: %v", err)
		c.String(http.StatusInternalServerError, "Error rendering notifications page")
	}
}