use ratatui::{
  Frame,
  layout::Rect,
  style::{Color, Modifier, Style},
  text::Span,
  widgets::{Block, Borders, Cell, Row, Table},
};

use super::format_date;
use crate::app::AppState;

/// Return a color for an audit action string.
fn action_color(action: &str) -> Color {
  match action {
    "imported" | "import" | "created" => Color::Green,
    "deleted" | "delete" | "removed" => Color::Red,
    "tagged" | "tag_added" => Color::Cyan,
    "untagged" | "tag_removed" => Color::Yellow,
    "updated" | "modified" | "edited" => Color::Blue,
    "scanned" | "scan" => Color::Magenta,
    _ => Color::White,
  }
}

pub fn render(f: &mut Frame, state: &AppState, area: Rect) {
  let header = Row::new(vec!["Action", "Media ID", "Details", "Date"]).style(
    Style::default()
      .fg(Color::Yellow)
      .add_modifier(Modifier::BOLD),
  );

  let rows: Vec<Row> = state
    .audit_log
    .iter()
    .enumerate()
    .map(|(i, entry)| {
      let style = if Some(i) == state.audit_selected {
        Style::default().fg(Color::Black).bg(Color::Cyan)
      } else {
        Style::default()
      };

      let color = action_color(&entry.action);
      let action_cell = Cell::from(Span::styled(
        entry.action.clone(),
        Style::default().fg(color).add_modifier(Modifier::BOLD),
      ));

      // Truncate media ID for display
      let media_display = entry
        .media_id
        .as_deref()
        .map(|id| {
          if id.len() > 12 {
            format!("{}...", &id[..12])
          } else {
            id.to_string()
          }
        })
        .unwrap_or_else(|| "-".into());

      Row::new(vec![
        action_cell,
        Cell::from(media_display),
        Cell::from(entry.details.clone().unwrap_or_else(|| "-".into())),
        Cell::from(format_date(&entry.timestamp).to_string()),
      ])
      .style(style)
    })
    .collect();

  let title = format!(" Audit Log ({}) ", state.audit_log.len());

  let table = Table::new(rows, [
    ratatui::layout::Constraint::Percentage(18),
    ratatui::layout::Constraint::Percentage(22),
    ratatui::layout::Constraint::Percentage(40),
    ratatui::layout::Constraint::Percentage(20),
  ])
  .header(header)
  .block(Block::default().borders(Borders::ALL).title(title));

  f.render_widget(table, area);
}