use bevy::prelude::*;

mod camera;
mod citizen;
mod constants;
mod cursor;
mod game;
mod item;
mod tile;
mod tilemap;
mod tiles;

use bevy::diagnostic::FrameTimeDiagnosticsPlugin;

fn main() {
    App::new()
        .insert_resource(game::ZIndex(0.0))
        .add_plugins(
            DefaultPlugins
                .set(WindowPlugin {
                    primary_window: Some(Window {
                        title: String::from("Dorf"),
                        ..Default::default()
                    }),
                    ..Default::default()
                })
                .set(ImagePlugin::default_nearest()),
        )
        .add_plugins(FrameTimeDiagnosticsPlugin::default()) // Add the FrameTimeDiagnosticsPlugin here
        .insert_resource(ClearColor(Color::srgb(0.0, 0.0, 0.0)))
        .add_plugins(tilemap::TilemapPlugin)
        .add_systems(
            Startup,
            (
                camera::spawn_panning_camera,
                cursor::setup_cursor,
                citizen::spawn_citizens,
            ),
        )
        .add_systems(
            FixedUpdate,
            (
                camera::camera_movement,
                citizen::update_citizen_wandering_targets,
                citizen::citizen_movement,
                cursor::move_cursor,
                // citizen::check_citizen_positions_for_chunks,
            ),
        )
        .init_resource::<tile::CameraMoved>()
        .add_systems(
            Update,
            (
                tile::camera_z_movement,
                tile::update_tile_visibility
                    .run_if(|camera_moved: Res<tile::CameraMoved>| camera_moved.0),
                // log_fps_system,
            ),
        )
        .run();
}

use bevy::diagnostic::DiagnosticsStore;

fn log_fps_system(diagnostics: Res<DiagnosticsStore>) {
    if let Some(fps) = diagnostics
        .get(&FrameTimeDiagnosticsPlugin::FPS)
        .and_then(|fps_diagnostic| fps_diagnostic.average())
    {
        println!("Average FPS: {:.2}", fps);
    }
}