// Package accountMessageHandler
// Path: /internal/handlers/account/messages
// File: list.go
// ToDo: helpers for reading getting messages shouldn't really be here. ---

package accountMessageHandler

import (
	"github.com/gin-gonic/gin"
)

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
}

func parseIDParam(c *gin.Context, name string) (int64, error) {
	// typical atoi wrapper
	// (implement: strconv.ParseInt(c.Param(name), 10, 64))
	return atoi64(c.Param(name))
}

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" }