use super::*;

#[derive(Boilerplate)]
pub(crate) struct InscriptionsBlockHtml {
  pub(crate) block: u32,
  pub(crate) inscriptions: Vec<InscriptionId>,
  pub(crate) prev_block: Option<u32>,
  pub(crate) next_block: Option<u32>,
  pub(crate) prev_page: Option<usize>,
  pub(crate) next_page: Option<usize>,
}

impl InscriptionsBlockHtml {
  pub(crate) fn new(
    block: u32,
    current_blockheight: u32,
    inscriptions: Vec<InscriptionId>,
    page_index: usize,
  ) -> Result<Self> {
    let num_inscriptions = inscriptions.len();

    let start = page_index * 100;
    let end = usize::min(start + 100, num_inscriptions);

    if start > num_inscriptions || start > end {
      return Err(anyhow!("page index {page_index} exceeds inscription count"));
    }
    let inscriptions = inscriptions[start..end].to_vec();

    Ok(Self {
      block,
      inscriptions,
      prev_block: block.checked_sub(1),
      next_block: if current_blockheight > block {
        Some(block + 1)
      } else {
        None
      },
      prev_page: if page_index > 0 {