use axum::{extract::State, Json};
use serde_json::{json, Value};

use crate::{
    app::AppState,
    error::AppResult,
    models::season::{PROMOTION_PTS, RELEGATION_PTS, SEASON_LENGTH},
    services::{club as club_svc, profile as profile_svc, season as season_svc},
};

pub async fn get_division(State(state): State<AppState>) -> AppResult<Json<Value>> {
    let profile = profile_svc::get_active_profile(&state.pool).await?;
    let _club = club_svc::get_club_by_profile(&state.pool, &profile.id).await?;
    let season = season_svc::get_or_create(&state.pool, &profile.id).await?;

    Ok(Json(json!({
        "division": season.division,
        "season_number": season.season_number,
        "season_points": season.season_points,
        "matches_played": season.matches_played,
        "matches_remaining": season.matches_remaining(),
        "season_length": SEASON_LENGTH,
        "promotion_pts": PROMOTION_PTS,
        "relegation_pts": RELEGATION_PTS,
        "pts_above_safe": season.pts_above_safe(),
        "promotion_achievable": season.promotion_achievable(),
        "can_be_relegated": season.can_be_relegated(),
        "record": {
            "wins": season.wins,
            "draws": season.draws,
            "losses": season.losses,
        },
        "pts_for_promotion": season.pts_for_promotion(),
        "started_at": season.started_at,
    })))
}

pub async fn get_division_history(State(state): State<AppState>) -> AppResult<Json<Value>> {
    let profile = profile_svc::get_active_profile(&state.pool).await?;
    let history = season_svc::get_history(&state.pool, &profile.id).await?;
    Ok(Json(json!({ "history": history, "total": history.len() })))
}