// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: Unlicense

use common::prepare_test_env::{prepare_test_db, run_service_for_stream};
use common::test_utils::{admin_keys, airdrop, Key};
use common::vm_cli_utils::{
    create_new_vm, list_accounts, list_all_app_contracts, list_all_vm_contracts, register_operator,
    report_node,
};
use common::vm_daemon_utils::{mock_vm_daemon, register_vm_node};
use detee_shared::common_proto::{Empty, Pubkey};
use detee_shared::general_proto::brain_general_cli_client::BrainGeneralCliClient;
use detee_shared::general_proto::{AirdropReq, BanUserReq, SlashReq};
use detee_shared::vm_proto::brain_vm_daemon_client::BrainVmDaemonClient;
use futures::StreamExt;
use surreal_brain::constants::{ACCOUNT, ACTIVE_APP, ACTIVE_VM, BAN, TOKEN_DECIMAL};
use surreal_brain::db::prelude as db;
use surreal_brain::db::vm::VmNodeWithReports;

mod common;

#[tokio::test]
async fn test_general_balance() {
    /*
    env_logger::builder()
        .filter_level(log::LevelFilter::Info)
        .filter_module("tungstenite", log::LevelFilter::Debug)
        .filter_module("tokio_tungstenite", log::LevelFilter::Debug)
        .init();
     */
    prepare_test_db().await.unwrap();

    let channel = run_service_for_stream().await.unwrap();
    let mut client = BrainGeneralCliClient::new(channel);

    let key = Key::new();
    let pubkey = key.pubkey.clone();
    let req_data = Pubkey { pubkey };

    let req = key.sign_request(req_data).unwrap();

    let acc_bal = client.get_balance(req).await.unwrap().into_inner();

    assert_eq!(acc_bal.balance, 0);
    assert_eq!(acc_bal.tmp_locked, 0);
}

#[tokio::test]
async fn test_general_airdrop() {
    // env_logger::builder().filter_level(log::LevelFilter::Trace).init();
    prepare_test_db().await.unwrap();

    let airdrop_amount = 10;

    let channel = run_service_for_stream().await.unwrap();
    let mut client = BrainGeneralCliClient::new(channel);

    let admin_keys = admin_keys();

    let user_01_key = Key::new();
    let user_01_pubkey = user_01_key.pubkey.clone();

    let airdrop_req =
        AirdropReq { pubkey: user_01_pubkey.clone(), tokens: airdrop_amount * TOKEN_DECIMAL };

    // user airdroping himself
    let err =
        client.airdrop(user_01_key.sign_request(airdrop_req.clone()).unwrap()).await.err().unwrap();
    assert_eq!(err.message(), "This operation is reserved to admin accounts");

    // other user airdroping
    let err =
        client.airdrop(Key::new().sign_request(airdrop_req.clone()).unwrap()).await.err().unwrap();
    assert_eq!(err.message(), "This operation is reserved to admin accounts");

    let _ = client.airdrop(admin_keys[0].sign_request(airdrop_req.clone()).unwrap()).await.unwrap();

    let bal_req_data = Pubkey { pubkey: user_01_pubkey };
    let bal_req = user_01_key.sign_request(bal_req_data.clone()).unwrap();
    let acc_bal_user_01 = client.get_balance(bal_req).await.unwrap().into_inner();

    assert_eq!(acc_bal_user_01.balance, airdrop_amount * TOKEN_DECIMAL);
    assert_eq!(acc_bal_user_01.tmp_locked, 0);

    // second airdrop from same admin
    let _ = client.airdrop(admin_keys[0].sign_request(airdrop_req.clone()).unwrap()).await.unwrap();

    let acc_bal_user_01 = client
        .get_balance(user_01_key.sign_request(bal_req_data.clone()).unwrap())
        .await
        .unwrap()
        .into_inner();

    assert_eq!(acc_bal_user_01.balance, 2 * airdrop_amount * TOKEN_DECIMAL);

    // third airdrop from another admin
    let _ = client.airdrop(admin_keys[1].sign_request(airdrop_req.clone()).unwrap()).await.unwrap();

    let acc_bal_user_01 = client
        .get_balance(user_01_key.sign_request(bal_req_data).unwrap())
        .await
        .unwrap()
        .into_inner();

    assert_eq!(acc_bal_user_01.balance, 3 * airdrop_amount * TOKEN_DECIMAL);

    // self airdrop
    let airdrop_req =
        AirdropReq { pubkey: admin_keys[2].pubkey.clone(), tokens: airdrop_amount * TOKEN_DECIMAL };

    let _ = client.airdrop(admin_keys[2].sign_request(airdrop_req.clone()).unwrap()).await.unwrap();

    let bal_req_data = Pubkey { pubkey: admin_keys[2].pubkey.clone() };
    let acc_bal_admin_3 = client
        .get_balance(admin_keys[2].sign_request(bal_req_data.clone()).unwrap())
        .await
        .unwrap()
        .into_inner();

    assert_eq!(acc_bal_admin_3.balance, airdrop_amount * TOKEN_DECIMAL);
}

#[tokio::test]
async fn test_report_node() {
    let db = prepare_test_db().await.unwrap();

    let brain_channel = run_service_for_stream().await.unwrap();
    let daemon_key = mock_vm_daemon(&brain_channel, None).await.unwrap();

    let key = Key::new();

    let report_error =
        report_node(&key, &brain_channel, &daemon_key, "thisIsNotAnID", "reason").await.err().unwrap();

    log::info!("Report error: {:?}", report_error);
    assert!(report_error.to_string().contains("No contract found by this ID."));

    airdrop(&brain_channel, &key.pubkey, 10).await.unwrap();

    let active_vm_id = create_new_vm(&db, &key, &daemon_key, &brain_channel).await.unwrap();

    let reason = String::from("something went wrong on vm");

    let _ = report_node(&key, &brain_channel, &daemon_key, &active_vm_id, &reason)
        .await
        .unwrap()
        .into_inner();

    let vm_node = VmNodeWithReports::find_by_daemon_pubkey(&db, &daemon_key).await.unwrap();
    assert!(vm_node.is_some());
    let vm_node = vm_node.unwrap();
    assert!(vm_node.reports[0].reason == reason);
}

#[tokio::test]
// TODO: register some operators before testing this
async fn test_list_operators() {
    prepare_test_db().await.unwrap();

    let channel = run_service_for_stream().await.unwrap();

    let mut client = BrainGeneralCliClient::new(channel);

    let key = Key::new();

    let mut grpc_stream =
        client.list_operators(key.sign_request(Empty {}).unwrap()).await.unwrap().into_inner();

    let mut operators = Vec::new();
    while let Some(stream_update) = grpc_stream.next().await {
        match stream_update {
            Ok(op) => {
                operators.push(op);
            }
            Err(e) => {
                panic!("Received error instead of operators: {e:?}");
            }
        }
    }

    assert!(!operators.is_empty())
}

#[tokio::test]
async fn test_inspect_operator() {
    prepare_test_db().await.unwrap();

    let brain_channel = run_service_for_stream().await.unwrap();
    let mut cli_client = BrainGeneralCliClient::new(brain_channel.clone());
    let mut daemon_client = BrainVmDaemonClient::new(brain_channel.clone());
    let key = Key::new();
    let daemon_key = Key::new();
    let operator_key = Key::new();

    let err = cli_client
        .inspect_operator(key.sign_request(Pubkey { pubkey: operator_key.pubkey.clone() }).unwrap())
        .await
        .err()
        .unwrap();

    assert_eq!(err.message(), "The wallet you specified is not an operator");

    // TODO: test with app node also
    register_vm_node(&mut daemon_client, &daemon_key, &operator_key.pubkey).await.unwrap();

    let inspect_response = cli_client
        .inspect_operator(key.sign_request(Pubkey { pubkey: operator_key.pubkey.clone() }).unwrap())
        .await
        .unwrap()
        .into_inner();

    assert!(inspect_response.app_nodes.is_empty());
    assert!(!inspect_response.vm_nodes.is_empty());
    assert_eq!(&inspect_response.vm_nodes[0].operator, &operator_key.pubkey);
}

#[tokio::test]
async fn test_register_operator() {
    let db_conn = prepare_test_db().await.unwrap();

    let brain_channel = run_service_for_stream().await.unwrap();
    let key = Key::new();

    let no_balance =
        register_operator(&brain_channel, &key, 5000 * TOKEN_DECIMAL).await.err().unwrap();
    assert!(no_balance.to_string().contains("Insufficient funds, deposit more tokens"));

    airdrop(&brain_channel, &key.pubkey, 1000).await.unwrap();

    let no_balance =
        register_operator(&brain_channel, &key, 5000 * TOKEN_DECIMAL).await.err().unwrap();
    assert!(no_balance.to_string().contains("Insufficient funds, deposit more tokens"));

    airdrop(&brain_channel, &key.pubkey, 7000).await.unwrap();

    register_operator(&brain_channel, &key, 6000).await.unwrap();

    let operator_account: Option<db::Account> =
        db_conn.select((ACCOUNT, key.pubkey)).await.unwrap();
    assert!(operator_account.is_some());
    let account = operator_account.unwrap();
    assert_eq!(account.escrow, 6000 * TOKEN_DECIMAL);
    assert_eq!(account.balance, 2000 * TOKEN_DECIMAL);
    assert_eq!(account.tmp_locked, 0);
}

#[tokio::test]
async fn test_kick_contract() {
    // TODO: implement seed data to test
    // possibilities
    // 1. vm contract
    // 2. app contract
    // 3. non existent contract
    // 4. other operator's contract
    // 5. contract collected more than a week
    // 6. refund amount calculation
    // 7. refund of multiple contract kick in a day for same user

    /*
    env_logger::builder()
        .filter_level(log::LevelFilter::Info)
        .filter_module("tungstenite", log::LevelFilter::Debug)
        .filter_module("tokio_tungstenite", log::LevelFilter::Debug)
        .init();
     */

    let db_conn = prepare_test_db().await.unwrap();
    let contract_id = "5af49a714c64a82ef50e574b023b2a0ef0405ed";
    let operator_wallet = "7V3rEuh6j8VuwMVB5PyGqWKLmjJ4fYSv6WtrTL51NZTB";
    let reason = "'; THROW 'Injected error'; --"; // sql injection query

    let kick_response =
        surreal_brain::db::general::kick_contract(&db_conn, operator_wallet, contract_id, reason)
            .await;
    match kick_response {
        Ok(refund_amount) => {
            println!("Refund amount: {}", refund_amount);
        }
        Err(e) => {
            println!("Error: {}", e);
        }
    }
}

#[tokio::test]
async fn test_ban_user() {
    let db_conn = prepare_test_db().await.unwrap();

    let brain_channel = run_service_for_stream().await.unwrap();
    let mut cli_client = BrainGeneralCliClient::new(brain_channel.clone());
    let op_key = Key::from("6f3WcQuv8sPrxAsSh24TdXkauwVd8vFUyCCfbNqxszvR"); // "4qFJJJdRrSB9hCn8rrvYTXHLJg371ab36PJmZ4uxHjGQ"
    let user_key = Key::new();
    let node_pubkey = "7fujZQeTme52RdXTLmQST5jBgAbvzic5iERtH5EWoYjk";

    /*
    base58 = "6f3WcQuv8sPrxAsSh24TdXkauwVd8vFUyCCfbNqxszvR"
    pubkey = "4qFJJJdRrSB9hCn8rrvYTXHLJg371ab36PJmZ4uxHjGQ"
    base58 = "7fujZQeTme52RdXTLmQST5jBgAbvzic5iERtH5EWoYjk"
    pubkey = "G2PetsFM8peG77rf9UTfVD7HEHNPmdjV3cebBpKuR3QT"
     */

    let user_wallet = user_key.pubkey.clone();
    let operator_wallet = op_key.pubkey.clone();

    let _ = cli_client
        .ban_user(
            op_key
                .sign_request(BanUserReq {
                    operator_wallet: operator_wallet.clone(),
                    user_wallet: user_wallet.clone(),
                })
                .unwrap(),
        )
        .await
        .unwrap();

    let ban_reconrd: Option<db::Ban> = db_conn
        .query(format!("SELECT * FROM {BAN} WHERE in = account:{operator_wallet} AND out = account:{user_wallet};"))
        .await.unwrap().take(0).unwrap();

    assert!(ban_reconrd.is_some());

    let already_banned = cli_client
        .ban_user(
            op_key
                .sign_request(BanUserReq {
                    operator_wallet: operator_wallet.clone(),
                    user_wallet: user_wallet.clone(),
                })
                .unwrap(),
        )
        .await
        .err()
        .unwrap();

    assert!(already_banned.message().contains("Already banned"));

    airdrop(&brain_channel, &user_wallet, 10).await.unwrap();

    let operator_banned_you =
        create_new_vm(&db_conn, &user_key, node_pubkey, &brain_channel).await.err().unwrap();

    assert!(operator_banned_you.to_string().contains("This operator banned you"));
}

#[tokio::test]
async fn test_slash_operator() {
    let db_conn = prepare_test_db().await.unwrap();

    let brain_channel = run_service_for_stream().await.unwrap();
    let mut cli_client = BrainGeneralCliClient::new(brain_channel.clone());
    let op_key = Key::new();

    let admin = admin_keys()[0].clone();
    let escrow = 5500;
    let slash_amt = 2500;

    airdrop(&brain_channel, &op_key.pubkey, 10000).await.unwrap();
    register_operator(&brain_channel, &op_key, escrow).await.unwrap();

    let raw_slash_req = SlashReq { pubkey: op_key.pubkey.clone(), tokens: 2500 * TOKEN_DECIMAL };

    let other_key = Key::new();
    let admin_error = cli_client
        .slash(other_key.sign_request(raw_slash_req.clone()).unwrap())
        .await
        .err()
        .unwrap();
    assert!(admin_error.message().contains("This operation is reserved to admin accounts"));

    let admin_error =
        cli_client.slash(op_key.sign_request(raw_slash_req.clone()).unwrap()).await.err().unwrap();
    assert!(admin_error.message().contains("This operation is reserved to admin accounts"));

    cli_client.slash(admin.sign_request(raw_slash_req.clone()).unwrap()).await.unwrap();

    let operator_account: Option<db::Account> =
        db_conn.select((ACCOUNT, op_key.pubkey)).await.unwrap();
    assert!(operator_account.is_some());
    let account = operator_account.unwrap();
    assert_eq!(account.escrow, (escrow - slash_amt) * TOKEN_DECIMAL);
}

#[tokio::test]
async fn test_admin_list_account() {
    let db_conn = prepare_test_db().await.unwrap();
    let brain_channel = run_service_for_stream().await.unwrap();

    let admin_key = admin_keys()[0].clone();

    let unauthenticated = list_accounts(&brain_channel, &Key::new()).await.err().unwrap();
    assert!(unauthenticated.to_string().contains("reserved to admin accounts"));

    tokio::time::sleep(tokio::time::Duration::from_millis(200)).await; // sync time for other db opeartion

    let acc_in_db = db_conn.select::<Vec<db::Account>>(ACCOUNT).await.unwrap();
    let accounts = list_accounts(&brain_channel, &admin_key).await.unwrap();
    assert_eq!(accounts.len(), acc_in_db.len());

    airdrop(&brain_channel, &Key::new().pubkey, 10).await.unwrap();

    let accounts = list_accounts(&brain_channel, &admin_key).await.unwrap();
    let acc_in_db = db_conn.select::<Vec<db::Account>>(ACCOUNT).await.unwrap();

    assert_eq!(accounts.len(), acc_in_db.len());
}

#[tokio::test]
async fn test_admin_list_all_vm_contracts() {
    let db_conn = prepare_test_db().await.unwrap();
    let brain_channel = run_service_for_stream().await.unwrap();

    let admin_key = admin_keys()[0].clone();

    let unauthenticated = list_all_vm_contracts(&brain_channel, &Key::new()).await.err().unwrap();
    assert!(unauthenticated.to_string().contains("reserved to admin accounts"));

    let vm_in_db = db_conn.select::<Vec<db::ActiveVm>>(ACTIVE_VM).await.unwrap();

    let vm_contracts = list_all_vm_contracts(&brain_channel, &admin_key).await.unwrap();
    assert_eq!(vm_contracts.len(), vm_in_db.len());

    // TODO: mock vm daemon and deploy a new vm, then list again
}

#[tokio::test]
async fn test_admin_list_all_app_contracts() {
    let db_conn = prepare_test_db().await.unwrap();
    let brain_channel = run_service_for_stream().await.unwrap();

    let admin_key = admin_keys()[0].clone();

    let unauthenticated = list_all_app_contracts(&brain_channel, &Key::new()).await.err().unwrap();
    assert!(unauthenticated.to_string().contains("reserved to admin accounts"));

    let app_contracts = list_all_app_contracts(&brain_channel, &admin_key).await.unwrap();
    assert_eq!(app_contracts.len(), 1);

    let app_in_db = db_conn.select::<Vec<db::ActiveApp>>(ACTIVE_APP).await.unwrap();

    let app_contracts = list_all_app_contracts(&brain_channel, &admin_key).await.unwrap();
    assert_eq!(app_contracts.len(), app_in_db.len());

    // TODO: mock app daemon and deploy a new app, then list again
}