// src/ui/handlers/render.rs

use crate::components::{render_background, render_command_line, render_status_line};
use crate::config::colors::Theme;
use ratatui::layout::{Constraint, Direction, Layout};
use ratatui::Frame;
use super::form::FormState;
use crate::state::state::UiState;

pub fn render_ui(
    f: &mut Frame,
    form_state: &mut FormState,
    theme: &Theme,
    is_edit_mode: bool,
    total_count: u64,
    current_position: u64,
    current_dir: &str,
    command_input: &str,
    command_mode: bool,
    command_message: &str,
    ui_state: &UiState,
) {
    render_background(f, f.size(), theme);

    // Root layout - vertical split for main content, status, and command line
    let root = Layout::default()
        .direction(Direction::Vertical)
        .constraints([
            Constraint::Min(10),  // Main content area
            Constraint::Length(1),  // Status line
            Constraint::Length(1),  // Command line
        ])
        .split(f.area());

    // Main content area layout
    let main_content_area = root[0];
    
    // Split into sidebar + content or just content
    let (sidebar_area, content_area) = if ui_state.show_sidebar {
        let chunks = Layout::default()
            .direction(Direction::Horizontal)
            .constraints([
                Constraint::Length(16),  // Fixed sidebar width
                Constraint::Fill(1),     // Remaining space for form/preview
            ])
            .split(main_content_area);
        (Some(chunks[0]), chunks[1])
    } else {
        (None, main_content_area)
    };

    // Create centered form layout
    let form_layout = Layout::default()
        .direction(Direction::Horizontal)
        .constraints([
            Constraint::Min(0),
            Constraint::Max(80),
            Constraint::Min(0),
        ])
        .split(content_area);

    // Render form in the left content area
    form_state.render(
        f,
        form_layout[1],
        theme,
        is_edit_mode,
        total_count,
        current_position,
    );

    // Render sidebar if enabled
    if let Some(sidebar_rect) = sidebar_area {
        crate::components::handlers::sidebar::render_sidebar(f, sidebar_rect, theme);
    }

    // Status line
    render_status_line(
        f,
        root[1],
        current_dir,
        theme,
        is_edit_mode,
    );

    // Command line
    render_command_line(
        f,
        root[2],
        command_input,
        command_mode,
        theme,
        command_message,
    );
}