use axum::Json;
use axum::extract::{Path, State};
use jwt::extractor::AuthUser;
use serde::Deserialize;
use uuid::Uuid;

use crate::error::UserResult;
use crate::features::UserService;

use crate::features::profile::{MemeView, UpsertMemeCmd};

#[derive(Debug, Deserialize)]
pub(crate) struct ListMemesQuery {
    #[serde(default = "default_limit")]
    pub limit: usize,
}

fn default_limit() -> usize {
    20
}

#[utoipa::path(
    get,
    path = "/user/me/memes",
    tag = "user",
    params(
        ("limit" = Option<usize>, Query, description = "Maximum items (default 20)."),
    ),
    responses(
        (status = 200, description = "List the caller's favorite memes.", body = Vec<MemeView>),
    ),
    security(("bearer_auth" = [])),
)]
pub(crate) async fn list_handler(
    State(svc): State<UserService>,
    AuthUser { claims }: AuthUser,
    axum::extract::Query(q): axum::extract::Query<ListMemesQuery>,
) -> UserResult<Json<Vec<MemeView>>> {
    let rows = svc.list_memes(claims.sub, q.limit).await?;
    Ok(Json(rows))
}

#[utoipa::path(
    post,
    path = "/user/me/memes",
    tag = "user",
    request_body = UpsertMemeCmd,
    responses(
        (status = 200, description = "Meme created or updated.", body = MemeView),
    ),
    security(("bearer_auth" = [])),
)]
pub(crate) async fn create_handler(
    State(svc): State<UserService>,
    AuthUser { claims }: AuthUser,
    Json(cmd): Json<UpsertMemeCmd>,
) -> UserResult<Json<MemeView>> {
    let row = svc.upsert_meme(claims.sub, cmd).await?;
    Ok(Json(row))
}

#[utoipa::path(
    delete,
    path = "/user/me/memes/{id}",
    tag = "user",
    params(
        ("id" = Uuid, Path, description = "Meme identifier."),
    ),
    responses(
        (status = 204, description = "Meme deleted."),
    ),
    security(("bearer_auth" = [])),
)]
pub(crate) async fn delete_handler(
    State(svc): State<UserService>,
    AuthUser { claims }: AuthUser,
    Path(id): Path<Uuid>,
) -> UserResult<()> {
    svc.delete_meme(claims.sub, id).await
}