use serde_json::{json, Value};
use chrono::DateTime;

use crate::common::{Server, GetAllDocumentsOptions};

#[actix_rt::test]
async fn add_documents_no_index_creation() {
    let server = Server::new().await;
    let index = server.index("test");

    let documents = json!([
        {
            "id": 1,
            "content": "foo",
        }
    ]);

    let (response, code) = index.add_documents(documents, None).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "pending");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["meta"]["type"], "DocumentsAddition");
    assert_eq!(response["meta"]["format"], "Json");
    assert_eq!(response["meta"]["primaryKey"], Value::Null);
    assert!(response.get("enqueuedAt").is_some());

    index.wait_update_id(0).await;

    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    println!("response: {}", response);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 1);

    let processed_at = DateTime::parse_from_rfc3339(response["processedAt"].as_str().unwrap()).unwrap();
    let enqueued_at = DateTime::parse_from_rfc3339(response["enqueuedAt"].as_str().unwrap()).unwrap();
    let started_processing_at = DateTime::parse_from_rfc3339(response["startedProcessingAt"].as_str().unwrap()).unwrap();
    assert!(processed_at > started_processing_at);
    assert!(started_processing_at > enqueued_at);

    // index was created, and primary key was infered.
    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], "id");
}

#[actix_rt::test]
async fn document_addition_with_primary_key() {
    let server = Server::new().await;
    let index = server.index("test");

    let documents = json!([
        {
            "primary": 1,
            "content": "foo",
        }
    ]);
    let (_response, code) = index.add_documents(documents, Some("primary")).await; assert_eq!(code, 200);

    index.wait_update_id(0).await;

    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 1);

    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], "primary");
}

#[actix_rt::test]
async fn document_update_with_primary_key() {
    let server = Server::new().await;
    let index = server.index("test");

    let documents = json!([
        {
            "primary": 1,
            "content": "foo",
        }
    ]);
    let (_response, code) = index.update_documents(documents, Some("primary")).await; assert_eq!(code, 200);

    index.wait_update_id(0).await;

    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 1);

    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], "primary");
}

#[actix_rt::test]
async fn add_documents_with_primary_key_and_primary_key_already_exists() {
    let server = Server::new().await;
    let index = server.index("test");

    index.create(Some("primary")).await;
    let documents = json!([
        {
            "id": 1,
            "content": "foo",
        }
    ]);

    let (_response, code) = index.add_documents(documents, Some("id")).await;
    assert_eq!(code, 200);

    index.wait_update_id(0).await;

    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 1);

    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], "primary");
}

#[actix_rt::test]
async fn update_documents_with_primary_key_and_primary_key_already_exists() {
    let server = Server::new().await;
    let index = server.index("test");

    index.create(Some("primary")).await;
    let documents = json!([
        {
            "id": 1,
            "content": "foo",
        }
    ]);

    let (_response, code) = index.update_documents(documents, Some("id")).await;
    assert_eq!(code, 200);

    index.wait_update_id(0).await;
let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 1);

    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], "primary");
}

#[actix_rt::test]
async fn replace_document() {
    let server = Server::new().await;
    let index = server.index("test");

    let documents = json!([
        {
            "doc_id": 1,
            "content": "foo",
        }
    ]);

    let (_response, code) = index.add_documents(documents, None).await;
    assert_eq!(code, 200);

    index.wait_update_id(0).await;

    let documents = json!([
        {
            "doc_id": 1,
            "other": "bar",
        }
    ]);

    let (_response, code) = index.add_documents(documents, None).await;
    assert_eq!(code, 200);

    index.wait_update_id(1).await;

    let (response, code) = index.get_update(1).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");

    let (response, code) = index.get_document(1, None).await;
    assert_eq!(code, 200);
    assert_eq!(response.to_string(), r##"{"doc_id":1,"other":"bar"}"##);
}

// test broken, see issue milli#92
#[actix_rt::test]
#[ignore]
async fn add_no_documents() {
    let server = Server::new().await;
    let index = server.index("test");
    let (_response, code) = index.add_documents(json!([]), None).await;
    assert_eq!(code, 200);

    index.wait_update_id(0).await;
    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["updateId"], 0);
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 0);

    let (response, code) = index.get().await;
    assert_eq!(code, 200);
    assert_eq!(response["primaryKey"], Value::Null);
}

#[actix_rt::test]
async fn update_document() {
    let server = Server::new().await;
    let index = server.index("test");

    let documents = json!([
        {
            "doc_id": 1,
            "content": "foo",
        }
    ]);

    let (_response, code) = index.add_documents(documents, None).await;
    assert_eq!(code, 200);

    index.wait_update_id(0).await;

    let documents = json!([
        {
            "doc_id": 1,
            "other": "bar",
        }
    ]);

    let (_response, code) = index.update_documents(documents, None).await;
    assert_eq!(code, 200);

    index.wait_update_id(1).await;

    let (response, code) = index.get_update(1).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");

    let (response, code) = index.get_document(1, None).await;
    assert_eq!(code, 200);
    assert_eq!(response.to_string(), r##"{"doc_id":1,"content":"foo","other":"bar"}"##);
}

#[actix_rt::test]
async fn add_larger_dataset() {
    let server = Server::new().await;
    let index = server.index("test");
    let update_id = index.load_test_set().await;
    let (response, code) = index.get_update(update_id).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 77);
    let (response, code) = index.get_all_documents(GetAllDocumentsOptions { limit: Some(1000), ..Default::default() }).await;
    assert_eq!(code, 200);
    assert_eq!(response.as_array().unwrap().len(), 77);
}

#[actix_rt::test]
async fn update_larger_dataset() {
    let server = Server::new().await;
    let index = server.index("test");
    let documents = serde_json::from_str(include_str!("../assets/test_set.json")).unwrap();
    index.update_documents(documents, None).await;
    index.wait_update_id(0).await;
    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "processed");
    assert_eq!(response["success"]["DocumentsAddition"]["nb_documents"], 77);
    let (response, code) = index.get_all_documents(GetAllDocumentsOptions { limit: Some(1000), ..Default::default() }).await;
    assert_eq!(code, 200);
    assert_eq!(response.as_array().unwrap().len(), 77);
}

#[actix_rt::test]
async fn add_documents_bad_primary_key() {
    let server = Server::new().await;
    let index = server.index("test");
    index.create(Some("docid")).await;
    let documents = json!([
        {
            "docid": "foo & bar",
            "content": "foobar"
        }
    ]);
    index.add_documents(documents, None).await;
    index.wait_update_id(0).await;
    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "failed");
}

#[actix_rt::test]
async fn update_documents_bad_primary_key() {
    let server = Server::new().await;
    let index = server.index("test");
    index.create(Some("docid")).await;
    let documents = json!([
        {
            "docid": "foo & bar",
            "content": "foobar"
        }
    ]);
    index.update_documents(documents, None).await;
    index.wait_update_id(0).await;
    let (response, code) = index.get_update(0).await;
    assert_eq!(code, 200);
    assert_eq!(response["status"], "failed");
}