use actix_web::{web, HttpResponse, Responder};
use brass_macros::db_test;
use sqlx::PgPool;

#[cfg(test)]
use crate::utils::test_helper::{
    assert_snapshot, read_body, test_get, DbTestContext, RequestConfig, StatusCode,
};
#[cfg(test)]
use chrono::{NaiveDate, NaiveTime};

use crate::{
    endpoints::{events::NewOrEditEventTemplate, IdPath},
    utils::{ApplicationError, TemplateResponse},
};
use brass_db::models::{Assignment, Clothing, Event, Function, Location, Role, User};

#[actix_web::get("/events/{id}/edit")]
pub async fn get(
    user: web::ReqData<User>,
    pool: web::Data<PgPool>,
    path: web::Path<IdPath>,
) -> Result<impl Responder, ApplicationError> {
    if user.role != Role::Admin && user.role != Role::AreaManager {
        return Err(ApplicationError::Unauthorized);
    }

    let Some(event) = Event::read_by_id_including_location(pool.get_ref(), path.id).await? else {
        return Ok(HttpResponse::NotFound().finish());
    };

    let locations = Location::read_by_area_including_area(
        pool.get_ref(),
        event.location.as_ref().unwrap().area_id,
    )
    .await?;

    let assignments = Assignment::read_all_by_event(pool.get_ref(), event.id).await?;

    let clothing_options = Clothing::read_all(pool.get_ref()).await?;

    let template = NewOrEditEventTemplate {
        user: user.into_inner(),
        date: event.start.date(),
        locations,
        amount_of_planned_posten: assignments
            .iter()
            .filter(|x| x.function == Function::Posten)
            .count(),
        is_fuehrungsassistent_planned: assignments
            .iter()
            .any(|x| x.function == Function::Fuehrungsassistent),
        is_wachhabender_planned: assignments
            .iter()
            .any(|x| x.function == Function::Wachhabender),
        id: Some(event.id),
        start: event.start.time(),
        end: event.end,
        name: Some(event.name),
        location: Some(event.location_id),
        voluntary_wachhabender: event.voluntary_wachhabender,
        voluntary_fuehrungsassistent: event.voluntary_fuehrungsassistent,
        amount_of_posten: Some(event.amount_of_posten),
        clothing: Some(event.clothing.id),
        clothing_options,
        canceled: event.canceled,
        note: event.note,
    };

    Ok(template.to_response()?)
}

#[db_test]
async fn produces_template(context: &DbTestContext) {
    //Location::create(&context.db_pool, &Industry().fake::<String>(), 1)
    //    .await
    //    .unwrap();
    //
    //let date: NaiveDate = Date().fake();
    //let time: NaiveTime = Time().fake();
    //let words: Vec<String> = Words(3..5).fake();
    //Event::create(
    //    &context.db_pool,
    //    &date,
    //    &time,
    //    &time,
    //    &words.join(" "),
    //    1,
    //    false,
    //    false,
    //    2,
    //    &Word().fake(),
    //    None,
    //)
    //.await
    //.unwrap();
    //// TODO: refactor
    Location::create(&context.db_pool, "Hauptbahnhof", 1)
        .await
        .unwrap();

    let date = NaiveDate::parse_from_str("2025-01-01", "%F").unwrap();

    let changeset = brass_db::models::EventChangeset {
        time: (
            date.and_time(NaiveTime::parse_from_str("08:00", "%R").unwrap()),
            date.and_time(NaiveTime::parse_from_str("10:00", "%R").unwrap()),
        ),
        name: "Vorstellung".to_string(),
        location_id: 1,
        voluntary_fuehrungsassistent: false,
        voluntary_wachhabender: false,
        amount_of_posten: 2,
        clothing: 1,
        note: None,
    };

    Event::create(&context.db_pool, changeset).await.unwrap();

    let app = context.app().await;
    let config = RequestConfig {
        uri: "/events/1/edit".to_string(),
        role: Role::Admin,
        function: vec![brass_db::models::Function::Posten],
        user_area: 1,
    };
    let response = test_get(&context.db_pool, app, &config).await;

    assert_eq!(StatusCode::OK, response.status());

    let body = read_body(response).await;
    assert_snapshot!(body);
}