//! Shared pagination query parameters used by both admin and public handlers.

use serde::Deserialize;

pub(crate) const DEFAULT_LIMIT: i64 = 50;
pub(crate) const MAX_LIMIT: i64 = 200;

/// Pagination query parameters with sane defaults and a hard cap.
#[derive(Deserialize)]
pub(crate) struct Pagination {
    pub(crate) limit: Option<i64>,
    pub(crate) offset: Option<i64>,
}

impl Pagination {
    pub(crate) fn limit(&self) -> i64 {
        self.limit.unwrap_or(DEFAULT_LIMIT).clamp(1, MAX_LIMIT)
    }

    pub(crate) fn offset(&self) -> i64 {
        self.offset.unwrap_or(0).max(0)
    }
}