use std::{collections::HashMap, sync::LazyLock};

type SkillTree = HashMap<String, Vec<HashMap<String, Option<Vec<String>>>>>;

static SKILL_TREE: LazyLock<SkillTree> = LazyLock::new(|| {
  serde_json::from_str(include_str!("../../content/json/skills.json")).unwrap()
});

pub fn module(router: &mut windmark::router::Router) {
  let mut skills = SKILL_TREE
    .iter()
    .map(|(category, skills)| {
      format!(
        "## {}\n\n{}",
        category,
        skills
          .iter()
          .map(|items| {
            items
              .iter()
              .map(|(item, areas)| {
                format!(
                  "* {}{}",
                  item,
                  areas.clone().map_or_else(String::new, |known_areas| {
                    format!(": {}", known_areas.join(", "))
                  })
                )
              })
              .collect::<Vec<String>>()
              .join("\n")
          })
          .collect::<Vec<String>>()
          .join("\n")
      )
    })
    .collect::<Vec<String>>();

  skills.sort();

  crate::route::track_mount(
    router,
    "/skills",
    "A Few Skills of Fuwn",
    move |context| {
      crate::response::success(
        &format!("# Skills\n\n{}", skills.join("\n\n")),
        &context,
      )
    },
  );
}