// src/ui/handlers/render.rs

use crate::components::{
    render_background,
    render_command_line,
    render_status_line,
    handlers::{sidebar::{self, calculate_sidebar_layout}, admin_panel::AdminPanelState, form::render_form},
    intro::{intro},
};
use crate::config::colors::Theme;
use ratatui::layout::{Constraint, Direction, Layout};
use ratatui::Frame;
use super::form::FormState;
use crate::state::state::AppState;

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,
    app_state: &AppState,
    intro_state: &intro::IntroState,
    admin_panel_state: &AdminPanelState,
) {
    render_background(f, f.area(), theme);

    let root = Layout::default()
        .direction(Direction::Vertical)
        .constraints([
            Constraint::Min(1),
            Constraint::Length(1),
            Constraint::Length(1),
        ])
        .split(f.area());

    let main_content_area = root[0];
    if app_state.ui.show_intro {
        intro_state.render(f, main_content_area, theme);
    } else if app_state.ui.show_admin {
        admin_panel_state.render(f, main_content_area, theme);
    } else {
        let (sidebar_area, form_area) = calculate_sidebar_layout(
            app_state.ui.show_sidebar,
            main_content_area
        );

        if let Some(sidebar_rect) = sidebar_area {
            sidebar::render_sidebar(f, sidebar_rect, theme, &app_state.profile_tree);
        }

        // This change makes the form stay stationary when toggling sidebar
        let available_width = form_area.width;
        let form_constraint = if available_width >= 80 {
            // Use main_content_area for centering when enough space
            Layout::default()
                .direction(Direction::Horizontal)
                .constraints([
                    Constraint::Min(0),
                    Constraint::Length(80),
                    Constraint::Min(0),
                ])
                .split(main_content_area)[1]
        } else {
            // Use form_area (post sidebar) when limited space
            Layout::default()
                .direction(Direction::Horizontal)
                .constraints([
                    Constraint::Min(0),
                    Constraint::Length(80.min(available_width)),
                    Constraint::Min(0),
                ])
                .split(form_area)[1]
        };

        // Convert fields to &[&str] and values to &[&String]
        let fields: Vec<&str> = form_state.fields.iter().map(|s| s.as_str()).collect();
        let values: Vec<&String> = form_state.values.iter().collect();

        render_form(
            f,
            form_constraint,
            form_state,
            &fields,
            &form_state.current_field,
            &values,
            theme,
            is_edit_mode,
            total_count,
            current_position,
        );
    }

    render_status_line(f, root[1], current_dir, theme, is_edit_mode);
    render_command_line(f, root[2], command_input, command_mode, theme, command_message);
}