mod common;

use axum::http::StatusCode;
use serde_json::json;
use sqlx::PgPool;
use tower::ServiceExt;

use common::MultipartBuilder;

fn metadata(title: &str) -> serde_json::Value {
    json!({ "title": title })
}

#[sqlx::test(migrations = "./migrations")]
async fn list_is_empty_initially(pool: PgPool) {
    let h = common::harness(pool);
    let resp = h.app.oneshot(common::get("/api/v1/mangas")).await.unwrap();
    assert_eq!(resp.status(), StatusCode::OK);
    let body = common::body_json(resp).await;
    assert_eq!(body["items"], json!([]));
    assert_eq!(body["page"]["limit"], 50);
    assert_eq!(body["page"]["offset"], 0);
    assert!(body["page"]["total"].is_null());
}

#[sqlx::test(migrations = "./migrations")]
async fn create_then_list_roundtrip(pool: PgPool) {
    let h = common::harness(pool);
    let (_, cookie) = common::register_user(&h.app).await;

    let created = h
        .app
        .clone()
        .oneshot(common::post_multipart_with_cookie(
            "/api/v1/mangas",
            MultipartBuilder::new().add_json(
                "metadata",
                json!({ "title": "Berserk", "author": "Kentaro Miura", "description": null }),
            ),
            &cookie,
        ))
        .await
        .unwrap();
    assert_eq!(created.status(), StatusCode::CREATED);
    let body = common::body_json(created).await;
    assert_eq!(body["title"], "Berserk");
    assert_eq!(body["author"], "Kentaro Miura");
    assert!(body["id"].as_str().is_some());

    let listed = h.app.oneshot(common::get("/api/v1/mangas")).await.unwrap();
    let listed_body = common::body_json(listed).await;
    let items = listed_body["items"].as_array().unwrap();
    assert_eq!(items.len(), 1);
    assert_eq!(items[0]["title"], "Berserk");
}

#[sqlx::test(migrations = "./migrations")]
async fn search_filters_by_title_and_author(pool: PgPool) {
    let h = common::harness(pool);
    let (_, cookie) = common::register_user(&h.app).await;

    for (title, author) in [
        ("One Piece", "Eiichiro Oda"),
        ("Berserk", "Kentaro Miura"),
        ("Vinland Saga", "Makoto Yukimura"),
    ] {
        let _ = h
            .app
            .clone()
            .oneshot(common::post_multipart_with_cookie(
                "/api/v1/mangas",
                MultipartBuilder::new()
                    .add_json("metadata", json!({ "title": title, "author": author })),
                &cookie,
            ))
            .await
            .unwrap();
    }

    let resp = h
        .app
        .clone()
        .oneshot(common::get("/api/v1/mangas?search=miura"))
        .await
        .unwrap();
    let body = common::body_json(resp).await;
    let titles: Vec<&str> = body["items"]
        .as_array()
        .unwrap()
        .iter()
        .map(|m| m["title"].as_str().unwrap())
        .collect();
    assert_eq!(titles, vec!["Berserk"]);

    let resp = h
        .app
        .oneshot(common::get("/api/v1/mangas?search=saga"))
        .await
        .unwrap();
    let body = common::body_json(resp).await;
    let titles: Vec<&str> = body["items"]
        .as_array()
        .unwrap()
        .iter()
        .map(|m| m["title"].as_str().unwrap())
        .collect();
    assert_eq!(titles, vec!["Vinland Saga"]);
}

#[sqlx::test(migrations = "./migrations")]
async fn create_rejects_empty_title_with_validation_failed(pool: PgPool) {
    let h = common::harness(pool);
    let (_, cookie) = common::register_user(&h.app).await;
    let resp = h
        .app
        .oneshot(common::post_multipart_with_cookie(
            "/api/v1/mangas",
            MultipartBuilder::new().add_json("metadata", metadata("   ")),
            &cookie,
        ))
        .await
        .unwrap();
    assert_eq!(resp.status(), StatusCode::UNPROCESSABLE_ENTITY);
    let body = common::body_json(resp).await;
    assert_eq!(body["error"]["code"], "validation_failed");
    assert!(body["error"]["details"]["title"].is_string());
}

#[sqlx::test(migrations = "./migrations")]
async fn create_rejects_missing_metadata_part(pool: PgPool) {
    let h = common::harness(pool);
    let (_, cookie) = common::register_user(&h.app).await;
    let resp = h
        .app
        .oneshot(common::post_multipart_with_cookie(
            "/api/v1/mangas",
            MultipartBuilder::new(), // no metadata part
            &cookie,
        ))
        .await
        .unwrap();
    assert_eq!(resp.status(), StatusCode::UNPROCESSABLE_ENTITY);
    let body = common::body_json(resp).await;
    assert_eq!(body["error"]["code"], "validation_failed");
    assert_eq!(body["error"]["details"]["metadata"], "required");
}

#[sqlx::test(migrations = "./migrations")]
async fn create_requires_authentication(pool: PgPool) {
    let h = common::harness(pool);
    let resp = h
        .app
        .oneshot(common::post_multipart(
            "/api/v1/mangas",
            MultipartBuilder::new().add_json("metadata", metadata("Berserk")),
        ))
        .await
        .unwrap();
    assert_eq!(resp.status(), StatusCode::UNAUTHORIZED);
    let body = common::body_json(resp).await;
    assert_eq!(body["error"]["code"], "unauthenticated");
}

#[sqlx::test(migrations = "./migrations")]
async fn get_unknown_id_is_404_with_envelope(pool: PgPool) {
    let h = common::harness(pool);
    let resp = h
        .app
        .oneshot(common::get(
            "/api/v1/mangas/00000000-0000-0000-0000-000000000000",
        ))
        .await
        .unwrap();
    assert_eq!(resp.status(), StatusCode::NOT_FOUND);
    let body = common::body_json(resp).await;
    assert_eq!(body["error"]["code"], "not_found");
    let msg = body["error"]["message"].as_str().expect("message is string");
    assert!(!msg.is_empty(), "message should be non-empty");
}