use raylib::{RaylibHandle, RaylibThread};

use crate::{
    utilities::{
        datastore::{load_texture_from_internal_data, ResourceLoadError},
        world_paint_texture::WorldPaintTexture,
    },
    StaticGameData,
};

use super::Level;

pub fn load_all_levels(
    raylib_handle: &mut RaylibHandle,
    thread: &RaylibThread,
) -> Result<Vec<Level>, ResourceLoadError> {
    // Get a listing of all levels we have
    let level_names: Vec<String> = serde_json::from_str(
        &String::from_utf8(
            StaticGameData::get("levels/levels.json")
                .expect("Could not load levels.json")
                .data
                .into(),
        )
        .unwrap(),
    )?;

    // Build a level list
    let mut levels = Vec::new();

    for level_name in &level_names {
        levels.push(Level {
            name: level_name.to_string(),
            background_tex: WorldPaintTexture::new(load_texture_from_internal_data(
                raylib_handle,
                thread,
                &format!("levels/{}/background.png", level_name),
            )?),
            platform_tex: load_texture_from_internal_data(
                raylib_handle,
                thread,
                &format!("levels/{}/platforms.png", level_name),
            )?,
            appearing_platform_tex: load_texture_from_internal_data(
                raylib_handle,
                thread,
                &format!("levels/{}/appearing_platforms.png", level_name),
            )?,
            colliders: serde_json::from_str(
                &String::from_utf8(
                    StaticGameData::get(&format!("levels/{}/colliders.json", level_name))
                        .unwrap()
                        .data
                        .into(),
                )
                .unwrap(),
            )?,
            zones: serde_json::from_str(
                &String::from_utf8(
                    StaticGameData::get(&format!("levels/{}/zones.json", level_name))
                        .unwrap()
                        .data
                        .into(),
                )
                .unwrap(),
            )?,
        });
    }
    Ok(levels)
}